@Kellen_Viehweg 86.9
Velocity (max)
6/04/25
CLASS OF 2027
RHP
1B
Kellen
Viehweg
Middleton (HS) • ID
6' 5" • 214.3LBS
R/R • 16yr 6mo
Travel Team: Sawtooth Catch 15u
6' 5" • 214.3LBSR/R • 16yr 6mo
Travel Team: Sawtooth Catch 15u
Rankings
2027 National
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
84.7 - 86.6
Velo Range
6/04/25
2451
Spin Rate (avg)
6/04/25
Changeup
70.8 - 71.7
Velo Range
6/04/24
1681
Spin Rate (avg)
5/07/23
Curveball
71.9 - 74.4
Velo Range
6/04/25
2673
Spin Rate (avg)
6/04/25
101.3
Exit Velocity (max)
6/04/25
91.1
Exit Velocity (avg)
6/04/25
393
Distance (max)
6/04/25
83
Sweet Spot %
6/04/24
23
Hand Speed (max)
6/04/25
79.6
Bat Speed (max)
6/04/25
17.3
Rot. Acc (max)
6/04/24
64
Hard Hit %
6/04/25
6.97
60-yd
6/04/25
3.91
30-yd
6/04/25
1.73
10-yd
6/04/25
20.1
Run speed (max)
6/04/25
81
INF Velo
6/04/25
-
OF Velo
-
C Velo
-
Pop Time
Positional Tools
2025
2024
2023
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Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
81.0
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
77.0
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
58.0
Hitting
2025
2024
2023
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
101.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
91.1
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
393
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
213
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
10.1042
Hard Hit %
Percentage of batted balls with exit velocities over 95 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
94.1
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
85.6
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
323
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
238
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
19.4968
Hard Hit %
Percentage of batted balls with exit velocities over 95 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
81.4
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
69.8
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
281
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
155
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.8275
Hard Hit %
Percentage of batted balls with exit velocities over 95 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
Idaho State Games (Invite Only)
Jun 4, 2025
Trackman - Hitting
101.3
Exit Velocity (max)
91.1
Exit Velocity (avg)
213
Distance (avg)
393
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Idaho State Games (Invite Only)
Jun 4, 2024
Trackman - Hitting
94.1
Exit Velocity (max)
85.6
Exit Velocity (avg)
238
Distance (avg)
323
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Boise Rising Stars ID (2027-2028)
May 7, 2023
Trackman - Hitting
81.4
Exit Velocity (max)
69.8
Exit Velocity (avg)
155
Distance (avg)
281
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2025
2024
2023
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
23.0
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
22.1
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
79.6
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
74.9
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
21.2
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.7
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
69.8
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
67.7
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
20.9
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
19.9
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
69.6
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
65.3
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
Idaho State Games (Invite Only)
Jun 4, 2025
Blast - Hitting
23.0
Hand Speed (max)
22.1
Hand Speed (avg)
79.6
Bat Speed (max)
74.9
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Idaho State Games (Invite Only)
Jun 4, 2024
Blast - Hitting
21.2
Hand Speed (max)
20.7
Hand Speed (avg)
69.8
Bat Speed (max)
67.7
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Boise Rising Stars ID (2027-2028)
May 7, 2023
Blast - Hitting
20.9
Hand Speed (max)
19.9
Hand Speed (avg)
69.6
Bat Speed (max)
65.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2025
2024
2023
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
86.9
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
85.6
Fastball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2451
Fastball
Spin Score Avg
The average Bauer Units value of all fastballs in the given event year. Bauer Units are calculated for each pitch by dividing Spin Rate by Velocity.
28.6
Fastball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
73.1
Curveball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2673
Curveball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
85.4
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
83.6
Fastball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2047
Fastball
Spin Score Avg
The average Bauer Units value of all fastballs in the given event year. Bauer Units are calculated for each pitch by dividing Spin Rate by Velocity.
24.5
Fastball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
68.0
Curveball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2175
Curveball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
71.3
Changeup
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1514
Changeup
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
79.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
76.0
Fastball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1947
Fastball
Spin Score Avg
The average Bauer Units value of all fastballs in the given event year. Bauer Units are calculated for each pitch by dividing Spin Rate by Velocity.
25.6
Fastball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
62.9
Curveball
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
2157
Curveball
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
69.4
Changeup
Spin Rate Avg
The average rate of spin for all pitches of this type in the given event year. Measured in rotations per minute (RPM).
1681
Changeup
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
Idaho State Games (Invite Only)
Jun 4, 2025
Trackman - Fastball
86.9
Velocity (max)
84.7 - 86.6
Velo Range
85.5
Eff Velocity (avg)
2,498
Spin Rate (max)
2,451
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Curveball
74.7
Velocity (max)
71.9 - 74.4
Velo Range
72.3
Eff Velocity (avg)
2,811
Spin Rate (max)
2,673
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Idaho State Games (Invite Only)
Jun 4, 2024
Trackman - Fastball
85.4
Velocity (max)
82.5 - 84.7
Velo Range
84.9
Eff Velocity (avg)
2,149
Spin Rate (max)
2,047
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Curveball
70.5
Velocity (max)
66.6 - 69.4
Velo Range
68.1
Eff Velocity (avg)
2,386
Spin Rate (max)
2,175
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
71.7
Velocity (max)
70.8 - 71.7
Velo Range
72.0
Eff Velocity (avg)
1,558
Spin Rate (max)
1,514
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Boise Rising Stars ID (2027-2028)
May 7, 2023
Trackman - Fastball
79.0
Velocity (max)
74.7 - 77.7
Velo Range
75.1
Eff Velocity (avg)
2,022
Spin Rate (max)
1,947
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Curveball
63.3
Velocity (max)
62.5 - 63.3
Velo Range
61.3
Eff Velocity (avg)
2,261
Spin Rate (max)
2,157
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - ChangeUp
70.5
Velocity (max)
68.7 - 70.1
Velo Range
68.3
Eff Velocity (avg)
1,762
Spin Rate (max)
1,681
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Pitch Scores
2025
2024
Fastball
Hop+
A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ of 100 is MLB average.
Fastball
Rise+
A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
Curveball
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Curveball
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Fastball
Hop+
A fastball with hop has a flat approach angle and visually jumps through the zone. When thrown up in the zone, it is more likely to generate a higher swing and miss average. Hop+ of 100 is MLB average.
Fastball
Sink+
A fastball with sink has low backspin and drops through the strike zone. When thrown down in the zone, it is more likely to generate a higher ground ball percentage and lower launch angle. Sink+ of 100 is MLB average.
Fastball
Rise+
A fastball with rise has a high percentage of backspin. When thrown up in the zone, it is more likely to generate a higher fly ball percentage. Rise+ of 100 is MLB average
Curveball
Hammer+
A hammer breaking ball drops vertically with velocity through the zone, or 12-to-6 movement. Hammer+ of 100 is MLB average.
Curveball
Sweep+
A sweeping breaking ball moves horizontally with velocity through the zone. Sweep+ of 100 is MLB average.
Pitching Velos
Game Performance
2024
2023
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.78
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.02
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.17
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.89
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.26
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.64
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.73
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.91
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
6.97
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
RSI
The reactive strength index measurement of an athlete's explosiveness by comparing their jump height to the ground contact time in between their jumps. On a scale of 0-5.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
Idaho State Games (Invite Only)
Jun 4, 2025
Vald
1.73
10-yd
3.91
30-yd
6.97
60-yd
20.1
Run speed (max)
2.29
RSI (max)
20.5
Jump Height (max)
Vizual Edge
2025
2024
Edge Score
The highest Edge Score within the given year. Edge Score is a comprehensive score that takes the core-six visual skills into account, providing an assessment of an athlete’s overall visual ability.
70.69
Edge Score
The highest Edge Score within the given year. Edge Score is a comprehensive score that takes the core-six visual skills into account, providing an assessment of an athlete’s overall visual ability.
50.42
Pitch Ai
Notes
News
- 2025 Future Games: Player Previews - Jul 20, 2025
- Idaho State Games: Positional Data Dive - Jun 17, 2025
- 2024 Year in Review: Most Viewed Profiles - Dec 17, 2024
- 2024 Year in Review: Breaking Ball Spin - Dec 14, 2024
- Idaho State Games: Positional Data Dive - Jun 11, 2024
- Boise Rising Stars ID: Blast Motion Leaders - May 16, 2023
- Boise Rising Stars ID: TrackMan Hitting Leaders - May 14, 2023
- Boise Rising Stars ID: TrackMan Pitching Leaders - May 11, 2023
- Boise Rising Stars ID: Stat Leaders - May 9, 2023
Comments
Draft Reports
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Physical
2025
2024
Grip Strgth (LH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Grip Strgth (RH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Grip Strgth (LH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.
Grip Strgth (RH)
Grip strength is a measure of a players bat control and ability to transfer power and speed during impact, measured in pounds of force generated; collected with elbow bent at 90 degrees.