25.1
Hand Speed (max)
7/16/25
CLASS OF 2029
SS
RHP
William
Belden
Portsmouth (HS) • NH
5' 7" • 140LBS
R/R • 15yr
Travel Team: NEB-NH
5' 7" • 140LBS
R/R • 15yr
Travel Team: NEB-NH
Rankings
2029 National
Rankings available to Premium Subscriber
Commitment
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Best Of Stats
66.5
Bat Speed (max)
7/16/25
30.9
Rot. Acc (max)
7/16/25
-
Hard Hit %
90
Exit Velocity (max)
2/25/26
78
Exit Velocity (avg)
7/16/25
306
Distance (max)
7/24/25
47
Sweet Spot %
7/16/25
7.53
60-yd
7/16/25
4.15
30-yd
7/24/25
1.77
10-yd
7/24/25
18.2
Run speed (max)
7/24/25
79
INF Velo
2/25/26
-
OF Velo
-
C Velo
-
Pop Time
Fastball
80
Velocity (max)
2/25/26
78.5 - 79.5
Velo Range
2/25/26
2117
Spin Rate (avg)
2/25/26
Changeup
73 - 74
Velo Range
2/25/26
1418
Spin Rate (avg)
7/16/25
Curveball
64.4 - 68.1
Velo Range
2/25/26
2222
Spin Rate (avg)
2/25/26
Slider
64 - 64.8
Velo Range
7/16/25
1958
Spin Rate (avg)
7/24/25
Positional Tools
2026
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).
79.0
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.53
Infield Velocity
The athlete's maximum throwing velocity from an infield position in the given event year. Measured in miles per hour (MPH).
72.0
Power / Speed Score
A simple calculation that divides the athlete’s Exit Velocity Max by the athlete’s 60 Yard Dash time for the given event year. For example, 98 MPH / 7.00s = 14.00.
11.7
Hitting
2026
2025
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
90.0
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
76.0
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
250
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
101
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
9.9968
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).
87.8
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
77.0
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
306
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
173
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.9188
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.
2026 Northern New England Preseason All-State (Invite-Only)
Feb 25, 2026
Trackman - Hitting
90.0
Exit Velocity (max)
76.0
Exit Velocity (avg)
101
Distance (avg)
250
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Junior Future Games (Class of 2029/30)
Jul 24, 2025
Trackman - Hitting
87.6
Exit Velocity (max)
75.4
Exit Velocity (avg)
160
Distance (avg)
306
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Scout Day: NEB-NH 7.16.25
Jul 16, 2025
Trackman - Hitting
87.8
Exit Velocity (max)
78.0
Exit Velocity (avg)
182
Distance (avg)
302
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.
25.1
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.5
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
66.5
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
61.2
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.
Junior Future Games (Class of 2029/30)
Jul 24, 2025
Blast - Hitting
21.2
Hand Speed (max)
20.3
Hand Speed (avg)
63.5
Bat Speed (max)
62.0
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Scout Day: NEB-NH 7.16.25
Jul 16, 2025
Blast - Hitting
25.1
Hand Speed (max)
20.6
Hand Speed (avg)
66.5
Bat Speed (max)
60.8
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2026
2025
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
79.8
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
78.9
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).
2117
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.
26.8
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).
66.3
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).
2222
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).
73.5
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).
1291
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).
77.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
74.9
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).
1896
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.
25.3
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).
60.5
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).
2093
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).
65.6
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).
1305
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).
66.0
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).
1950
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).
2026 Northern New England Preseason All-State (Invite-Only)
Feb 25, 2026
Trackman - Fastball
79.8
Velocity (max)
78.5 - 79.5
Velo Range
76.8
Eff Velocity (avg)
2,182
Spin Rate (max)
2,117
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
68.9
Velocity (max)
64.4 - 68.1
Velo Range
63.5
Eff Velocity (avg)
2,330
Spin Rate (max)
2,222
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
73.8
Velocity (max)
73.3 - 73.7
Velo Range
71.0
Eff Velocity (avg)
1,308
Spin Rate (max)
1,291
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Junior Future Games (Class of 2029/30)
Jul 24, 2025
Trackman - Fastball
77.0
Velocity (max)
72.9 - 76.5
Velo Range
72.8
Eff Velocity (avg)
2,015
Spin Rate (max)
1,881
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Curveball
62.2
Velocity (max)
59.2 - 61.9
Velo Range
58.3
Eff Velocity (avg)
2,234
Spin Rate (max)
2,083
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - Slider
69.2
Velocity (max)
66.7
Eff Velocity (avg)
1,958
Spin Rate (max)
1,958
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Trackman - ChangeUp
66.7
Velocity (max)
63.8 - 66.7
Velo Range
64.4
Eff Velocity (avg)
1,367
Spin Rate (max)
1,214
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Scout Day: NEB-NH 7.16.25
Jul 16, 2025
Trackman - Fastball
77.0
Velocity (max)
74.7 - 76.8
Velo Range
73.7
Eff Velocity (avg)
2,009
Spin Rate (max)
1,953
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
62.2
Velocity (max)
59.0 - 61.7
Velo Range
57.3
Eff Velocity (avg)
2,246
Spin Rate (max)
2,110
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
64.8
Velocity (max)
64.0 - 64.8
Velo Range
61.9
Eff Velocity (avg)
1,949
Spin Rate (max)
1,946
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
66.6
Velocity (max)
65.1 - 66.6
Velo Range
64.0
Eff Velocity (avg)
1,490
Spin Rate (max)
1,418
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Pitch Scores
2026
2025
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
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
2026
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)
78.5
Curveball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
66.0
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
73.5
Game Performance
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.77
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.15
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.6
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vertical Jump
A measure of any athlete's body strength and reach calculated from the flight time divided by the contact time.
Vizual Edge
2025
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.
73.74
Pitch Ai
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Positional Profile: SS/RHP
Body: 5-7, 140-pounds.
Arm Action: RH
FB: T80, 78-79 mph. T2182, 2117 average rpm.
CB: 64-68 mph. T2330, 2222 average rpm.
CH: 73-74 mph. T1308, 1291 average rpm.
Positional Profile: SS/RHP
Body: 5-7, 140-pounds.
Hit: RHH
Power: 90 max exit velocity, averaged 76.0 mph. 250' max distance.
Arm: RH. INF-79 mph.