@kelsonswainston 
18.3
Hand Speed (max)
8/17/25
CLASS OF 2026
SS
RHP
Kelson
Swainston
Jenison (HS) • MI
5' 10" • 180LBS
R/R • 18yr
Travel Team: Coastline Baseball Premier 17U
5' 10" • 180LBS
R/R • 18yr
Travel Team: Coastline Baseball Premier 17U
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
65
Bat Speed (max)
3/01/25
13.8
Rot. Acc (max)
8/17/25
-
Hard Hit %
89.7
Exit Velocity (max)
8/17/25
80.5
Exit Velocity (avg)
3/01/25
277
Distance (max)
3/01/25
67
Sweet Spot %
3/01/25
7.36
60-yd
8/17/25
4.13
30-yd
8/17/25
1.76
10-yd
3/01/25
19.1
Run speed (max)
8/17/25
77
INF Velo
3/01/25
-
OF Velo
-
C Velo
-
Pop Time
Fastball
82
Velocity (max)
3/01/25
79.8 - 81.5
Velo Range
3/01/25
1939
Spin Rate (avg)
3/01/25
Changeup
72.8 - 76.3
Velo Range
3/01/25
1681
Spin Rate (avg)
3/01/25
Curveball
67 - 68
Velo Range
6/26/25
-
Spin Rate (avg)
Slider
68.6 - 71.7
Velo Range
3/01/25
1848
Spin Rate (avg)
3/01/25
Positional Tools
2025
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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).
77.0
Hitting
2025
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
89.7
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
79.7
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
277
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
171
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
13.7351
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.
2025 Michigan Unsigned Senior Games (Invite Only)
Aug 17, 2025
Trackman - Hitting
89.7
Exit Velocity (max)
79.2
Exit Velocity (avg)
157
Distance (avg)
266
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
2025 Western Michigan Preseason All-State (Invite Only)
Mar 1, 2025
Trackman - Hitting
87.2
Exit Velocity (max)
80.5
Exit Velocity (avg)
192
Distance (avg)
277
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2025
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
18.3
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
17.2
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
65.0
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
60.7
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.
2025 Michigan Unsigned Senior Games (Invite Only)
Aug 17, 2025
Blast - Hitting
18.3
Hand Speed (max)
17.5
Hand Speed (avg)
63.2
Bat Speed (max)
60.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2025 Western Michigan Preseason All-State (Invite Only)
Mar 1, 2025
Blast - Hitting
18.1
Hand Speed (max)
16.9
Hand Speed (avg)
65.0
Bat Speed (max)
61.2
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
82.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
80.7
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).
1939
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.
24.0
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).
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
74.6
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).
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
70.2
Slider
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).
1848
Slider
Total Movement Avg
The average total non-gravity movement for all pitches of this type in the given event year. Measured in inches (in).
2025 Western Michigan Preseason All-State (Invite Only)
Mar 1, 2025
Trackman - Fastball
82.0
Velocity (max)
79.8 - 81.5
Velo Range
78.9
Eff Velocity (avg)
2,021
Spin Rate (max)
1,939
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Trackman - Slider
72.0
Velocity (max)
68.6 - 71.7
Velo Range
68.7
Eff Velocity (avg)
1,936
Spin Rate (max)
1,848
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
76.5
Velocity (max)
72.8 - 76.3
Velo Range
72.9
Eff Velocity (avg)
1,758
Spin Rate (max)
1,681
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Pitch Scores
Pitching Velos
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
80.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
79.0
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
67.5
Game Performance
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.76
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.13
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.36
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vizual Edge
Pitch Ai
Notes
News
Comments
Draft Reports
Contact
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