78.3
Exit Velocity (max)
8/15/25
CLASS OF 2028
C
Jack
Koly
Stevens High School - 42 (HS) • SD
6' 0" • 170LBS
R/R • 15yr 6mo
Travel Team: Post 22 baseball
6' 0" • 170LBS
R/R • 15yr 6mo
Travel Team: Post 22 baseball
Rankings
2028 National
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
67.4
Exit Velocity (avg)
8/15/25
229
Distance (max)
8/15/25
38
Sweet Spot %
8/15/25
7.74
60-yd
8/15/25
4.31
30-yd
8/15/25
1.85
10-yd
8/15/25
17.9
Run speed (max)
8/15/25
-
INF Velo
-
OF Velo
67
C Velo
8/15/25
2.26 - 2.31
Pop Time
8/15/25
Positional Tools
2025
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Pop Time
The athlete's fastest pop time in the given event year. Measured from glove to glove, in seconds (s).
2.26 - 2.31
Catcher Velocity
The athlete's maximum throwing velocity from the catcher position in the given event year. Measured in miles per hour (MPH).
67.0
Hitting
2025
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
78.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
67.4
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
229
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
145
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.055
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.
SD Summer ID- Rapid City
Aug 15, 2025
Trackman - Hitting
78.3
Exit Velocity (max)
67.4
Exit Velocity (avg)
145
Distance (avg)
229
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
Pitching
Pitch Scores
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.
1.85
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
4.31
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.74
Top Speed (MPH)
The athlete's fastest split time converted to miles per hour.
Vizual Edge
Pitch Ai
Notes
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Positional Profile: C
Body: 6-0, 170-pounds.
Hit: RHH. Balanced, wide, sinks down, no stride w/ lower half, hands preset back, gap to gap contact.
Power: 78 max exit velocity, averaged 67.4 mph. 229' max distance.
Arm: RH. C-67 mph.
Defense: 2.26-2.31 pop times. 1 kd stance, reaches for ball, gains ground towards base, developing arm strength.
ATH: 7.74 runner in the 60. 1.85 and 4.31 in the 10 and 30 yard splits.