@jackfrostholm27 
27.2
Hand Speed (max)
6/25/25
CLASS OF 2027
OF
RHP
Jack
Frostholm
Belmont Hill School (HS) • MA
6' 3" • 202.8LBS
R/R • 16yr 8mo
Travel Team: NEB
6' 3" • 202.8LBSR/R • 16yr 8mo
Travel Team: NEB
Rankings
2027 National
Rankings available to Premium Subscriber
2027 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
86.6
Bat Speed (max)
6/25/25
23
Rot. Acc (max)
6/25/25
100
Hard Hit %
10/12/24
103.4
Exit Velocity (max)
6/25/25
94.5
Exit Velocity (avg)
10/12/24
357
Distance (max)
6/25/25
80
Sweet Spot %
10/12/24
6.60
60-yd
6/25/25
3.85
30-yd
7/23/25
1.71
10-yd
7/23/25
20.7
Run speed (max)
7/23/25
-
INF Velo
95
OF Velo
7/23/25
-
C Velo
-
Pop Time
Fastball
84.8
Velocity (max)
10/12/24
79.6 - 83.1
Velo Range
10/12/24
1867
Spin Rate (avg)
10/12/24
Changeup
72.7 - 73
Velo Range
10/15/23
1771
Spin Rate (avg)
10/12/24
Slider
-
Velo Range
1677
Spin Rate (avg)
10/15/23
Positional Tools
2025
2024
2023
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Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
95.0
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
6.72
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
92.0
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.
14.6
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.03
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
83.0
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.
13.1
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).
103.4
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
84.3
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
357
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
188
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
17.9376
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).
98.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
94.5
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
304
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
204
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
10.335
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).
91.8
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
88.8
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
337
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
178
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
9.2228
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.
Future Games (Class of 2027)
Jul 23, 2025
Trackman - Hitting
100.2
Exit Velocity (max)
81.2
Exit Velocity (avg)
110
Distance (avg)
292
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Ground Ball %
2025 New England Top Prospect Games 6.25.25 (Invite Only)
Jun 25, 2025
Trackman - Hitting
103.4
Exit Velocity (max)
89.6
Exit Velocity (avg)
311
Distance (avg)
357
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
2024 Massachusetts Fall Top Prospect Games (Invite Only)
Oct 12, 2024
Trackman - Hitting
98.3
Exit Velocity (max)
94.5
Exit Velocity (avg)
204
Distance (avg)
304
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Ground Ball %
2023 Massachusetts Fall Prospect Showcase II
Oct 15, 2023
Trackman - Hitting
91.8
Exit Velocity (max)
88.8
Exit Velocity (avg)
178
Distance (avg)
337
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Ground Ball %
Hitting
2025
2024
2023
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
27.2
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
23.0
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
86.6
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
77.4
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.
24.7
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
23.4
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
74.8
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
72.6
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.
23.8
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
22.9
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
75.8
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
73.3
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.
Future Games (Class of 2027)
Jul 23, 2025
Blast - Hitting
23.6
Hand Speed (max)
21.9
Hand Speed (avg)
81.8
Bat Speed (max)
75.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2025 New England Top Prospect Games 6.25.25 (Invite Only)
Jun 25, 2025
Blast - Hitting
27.2
Hand Speed (max)
24.4
Hand Speed (avg)
86.6
Bat Speed (max)
79.9
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2024 Massachusetts Fall Top Prospect Games (Invite Only)
Oct 12, 2024
Blast - Hitting
24.7
Hand Speed (max)
23.4
Hand Speed (avg)
74.8
Bat Speed (max)
72.6
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
2023 Massachusetts Fall Prospect Showcase II
Oct 15, 2023
Blast - Hitting
23.8
Hand Speed (max)
22.9
Hand Speed (avg)
75.8
Bat Speed (max)
73.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2024
2023
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
84.8
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
81.3
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).
1867
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.
23.0
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).
75.1
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).
1771
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
79.7
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
77.3
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).
1781
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.
23.0
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).
72.9
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).
1707
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).
70.3
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).
1677
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).
2024 Massachusetts Fall Top Prospect Games (Invite Only)
Oct 12, 2024
Trackman - Fastball
84.8
Velocity (max)
79.6 - 83.1
Velo Range
78.9
Eff Velocity (avg)
1,975
Spin Rate (max)
1,867
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
75.1
Velocity (max)
1,771
Spin Rate (max)
1,771
Spin Rate (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
2023 Massachusetts Fall Prospect Showcase II
Oct 15, 2023
Trackman - Fastball
79.7
Velocity (max)
75.9 - 78.6
Velo Range
77.5
Eff Velocity (avg)
1,962
Spin Rate (max)
1,781
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
70.3
Velocity (max)
69.0
Eff Velocity (avg)
1,677
Spin Rate (max)
1,677
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - ChangeUp
73.0
Velocity (max)
72.7 - 73.0
Velo Range
72.5
Eff Velocity (avg)
1,768
Spin Rate (max)
1,707
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
2024
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
Pitching Velos
Game Performance
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.71
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.85
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
6.6
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.
Future Games (Class of 2027)
Jul 23, 2025
Vald
1.71
10-yd
3.85
30-yd
6.91
60-yd
20.7
Run speed (max)
0.91
RSI (max)
23.0
Jump Height (max)
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.
41.25
Pitch Ai
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Physical
2025
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.
6-foot-4, 195-pound right-handed hitting outfielder and right-handed pitcher. The skill set is way above average for this player. He ran a 6.72 sixty at the event. The bat has an exit velocity of 98 mph. The setup is balanced and he showed serious buggy whip with the barrel. The approach in the outfield is under control and athletic. He threw 92 mph from the outfield to the plate. On the mound, the fastball sat 82-84 mph with arm side run to it. The fastball has solid life to it. The changeup is 74-75 mph with minimal fade to it. Good looking player.
Jack Frostholm: OF/RHP, (2027) Falmouth, MA. 6-foot-3, 180-pound projectable athletic frame. Projectable and athletic at the plate, Frostholm recorded an exit velocity of 92 mph. (73.3 mph bat speed average). (22.9 mph hand speed average). Started in a balanced athletic stance with a controlled load, then used a small stride. Has an uphill loose swing plane, developing quick bat speed and good extension on his finish. He found lots of barrels with loud contact. Gap to gap aggressive approach. Above average athletic from the outfield, his best throws to the bases were registered at 83 mph; has a clean natural exchange, developing soft hands, and athletic developing feet. Fielded the ball out front with developing athletic movement laterally. Had a quick arm action and a high ¾ slot with consistent accuracy to the base. In the 60-yard dash, his time was 7.03. Projectable athletic on the mound, showing above average arm speed he used a consistent arm action and a high ¾ arm angle. Feel type pitcher and shows some effort. Tall balance point with in line shoulders. Lands closed with a falling off finish. Sat with his fastball at 79-80 mph; had running action and command arm side around the zone. (Max spin 1962; Avg 1780). His changeup (72-73) showed arm side command and gradual fading action. His slider (69-70) has glove side around the zone command and slurvey action. (Max spin 1676; Avg 1676).