86.2
Velocity (max)
2/23/25
CLASS OF 2026
RHP
3B
Karl
Hartmann
Roosevelt High School - 03 (HS) • SD
5' 10" • 174.4LBS
R/R • 18yr 1mo
Travel Team: Coast 2 Coast Gamers 18U
5' 10" • 174.4LBS
R/R • 18yr 1mo
Travel Team: Coast 2 Coast Gamers 18U
Rankings
2026 National
Rankings available to Premium Subscriber
2026 State
Rankings available to Premium Subscriber
Commitment
UNCOMMITTED
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Best Of Stats
Fastball
84.8 - 86.2
Velo Range
2/23/25
2232
Spin Rate (avg)
6/10/25
Changeup
80 - 82
Velo Range
2/23/25
1684
Spin Rate (avg)
8/11/24
Slider
73.7 - 75.1
Velo Range
2/23/25
2538
Spin Rate (avg)
6/10/25
92.6
Exit Velocity (max)
6/10/25
80.5
Exit Velocity (avg)
6/10/25
297
Distance (max)
2/23/25
67
Sweet Spot %
2/24/24
19.5
Hand Speed (max)
6/10/25
70.2
Bat Speed (max)
2/23/25
11.7
Rot. Acc (max)
2/23/25
20
Hard Hit %
2/23/25
7.15
60-yd
6/10/25
3.90
30-yd
6/10/25
1.64
10-yd
6/10/25
18.9
Run speed (max)
6/10/25
83
INF Velo
2/23/25
-
OF Velo
-
C Velo
-
Pop Time
Positional Tools
2025
2024
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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).
83.0
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.25
Infield Velocity
The athlete's maximum throwing velocity from an infield 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.
11.1
Hitting
2025
2024
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
92.6
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
79.5
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
297
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
189
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
23.0703
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).
80.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
65.9
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
253
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
139
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
19.6063
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.
Dakota State Games
Jun 10, 2025
Trackman - Hitting
92.6
Exit Velocity (max)
80.5
Exit Velocity (avg)
168
Distance (avg)
276
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
South Dakota Preseason ID
Feb 23, 2025
Trackman - Hitting
91.9
Exit Velocity (max)
77.6
Exit Velocity (avg)
227
Distance (avg)
297
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Summer ID- Sioux Falls
Aug 11, 2024
Trackman - Hitting
80.3
Exit Velocity (max)
68.9
Exit Velocity (avg)
126
Distance (avg)
253
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
PBR Preseason ID- South Dakota
Feb 24, 2024
Trackman - Hitting
69.1
Exit Velocity (max)
61.9
Exit Velocity (avg)
156
Distance (avg)
217
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Hitting
2025
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
19.5
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
18.5
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
70.2
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
66.7
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.
Dakota State Games
Jun 10, 2025
Blast - Hitting
19.5
Hand Speed (max)
19.0
Hand Speed (avg)
68.8
Bat Speed (max)
66.8
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
South Dakota Preseason ID
Feb 23, 2025
Blast - Hitting
18.7
Hand Speed (max)
18.0
Hand Speed (avg)
70.2
Bat Speed (max)
66.6
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
2025
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
86.2
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
84.0
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).
2175
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.
25.9
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).
81.0
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).
1524
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).
72.7
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).
2523
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).
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
80.9
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH).
79.3
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).
2149
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.
27.1
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).
70.5
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).
1684
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).
67.5
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).
2179
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).
Dakota State Games
Jun 10, 2025
Trackman - Fastball
84.3
Velocity (max)
82.5 - 84.0
Velo Range
83.3
Eff Velocity (avg)
2,447
Spin Rate (max)
2,232
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
73.1
Velocity (max)
71.1 - 72.7
Velo Range
70.5
Eff Velocity (avg)
2,749
Spin Rate (max)
2,538
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
South Dakota Preseason ID
Feb 23, 2025
Trackman - Fastball
86.2
Velocity (max)
84.8 - 86.2
Velo Range
86.4
Eff Velocity (avg)
2,232
Spin Rate (max)
2,068
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Spin Efficiency % (avg)
Trackman - Slider
75.1
Velocity (max)
73.7 - 75.1
Velo Range
74.4
Eff Velocity (avg)
2,560
Spin Rate (max)
2,493
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
82.4
Velocity (max)
80.5 - 81.8
Velo Range
81.6
Eff Velocity (avg)
1,685
Spin Rate (max)
1,524
Spin Rate (avg)
IVB (max)
IVB (avg)
HM (max)
HM (avg)
Extension (avg)
Release Ht (avg)
Spin Score (max)
Zone %
Spin Efficiency % (avg)
Summer ID- Sioux Falls
Aug 11, 2024
Trackman - Fastball
80.9
Velocity (max)
78.3 - 80.4
Velo Range
78.0
Eff Velocity (avg)
2,267
Spin Rate (max)
2,149
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
69.1
Velocity (max)
66.2 - 68.9
Velo Range
65.4
Eff Velocity (avg)
2,448
Spin Rate (max)
2,179
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
72.3
Velocity (max)
68.8 - 72.2
Velo Range
69.4
Eff Velocity (avg)
1,798
Spin Rate (max)
1,684
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
2024
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
86.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
84.5
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
81.0
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
73.2
Fastball
Velocity Max
The maximum observed fastball velocity in the given event year. Measured in miles per hour (MPH).
81.0
Fastball
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
77.2
Changeup
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
71.8
Slider
Velocity Avg
The average velocity for all pitches of this type in the given event year. Measured in miles per hour (MPH)
68.8
Game Performance
2025
10 Yard Dash
The athlete's fastest 0-10-yard split time in the given event year. Measured in seconds.
1.64
30 Yard Dash
The athlete's fastest 0-30-yard split time in the given event year. Measured in seconds.
3.9
60 Yard Dash
The athlete's fastest 0-60-yard time in the given event year. Measured in seconds.
7.15
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.
Dakota State Games
Jun 10, 2025
Vald
1.64
10-yd
3.90
30-yd
7.15
60-yd
18.9
Run speed (max)
1.87
RSI (max)
27.1
Jump Height (max)
Vizual Edge
Pitch Ai
Notes
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Comments
Draft Reports
Contact
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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.
Positional Profile: 3B/RHP
Body: 5-10, 174-pounds.
Delivery: Stretch only, controlled leg lift into hip coil, extends down mound, lands inline.
Arm Action: RH. Arm starts back, gathers up behind head, high elbow, high 3/4 slot.
FB: T84, 83-84 mph. T2447, 2232 average rpm.
SL: 71-73 mph. T2749, 2538 average rpm.
ATH: 7.15 runner in the 60. 1.64 and 3.90 in the 10 and 30 yard splits. 27.10 max vertical.
Positional Profile: 3B/RHP
Body: 5-10, 174-pounds.
Hit: RHH. wide stance with slight crouch, line drive swing plane, late arm bar in load, spray contact with gap to gap approach. 66.8 mph bat speed with 8 G's of rotational acceleration.
Power: 93 max exit velocity, averaged 80.5 mph. 276' max distance.
Arm: RH. INF-81 mph.
Defense: Average footwork on approach, works well through ball, keeps momentum towards bag to throw,
ATH: 7.15 runner in the 60. 1.64 and 3.90 in the 10 and 30 yard splits. 27.10 max vertical.
Positional Profile: SS/RHP
Body: 5-10, 160-pounds.
Delivery: Stretch only, starts slightly closed, high leg lift into hip hinge, easy rotation down slope, lands inline.
Arm Action: RH. Medium AA, arm stays in flexion after hand break, flips up on time behind head, 3/4 slot.
FB: T86, 85-86 mph. T2232, 2068 average rpm.
SL: 74-75 mph. T2560, 2493 average rpm.
CH: 80-82 mph. T1685, 1524 average rpm.
ATH: 7.40 runner in the 60. 1.80 and 4.08 in the 10 and 30 yard splits.
Positional Profile: SS/RHP
Body: 5-10, 160-pounds.
Hit: RHH. balanced stance, hard line drive contact, loose hands overall finds barrel well, consistent quality bp session
Power: 92 max exit velocity, averaged 77.6 mph. 297' max distance.
Arm: RH. INF-83 mph.
Defense: Sits back, relaxed approach, average footwork, more athleticism laterally, consistent hands/glove
ATH: 7.40 runner in the 60. 1.80 and 4.08 in the 10 and 30 yard splits.
Positional Profile: SS/RHP
Body: 5-10, 160-pounds.
Delivery: Hybrid start, small step and rocks to turn, coild balance position hands separate, stasy over back leg, swings down the mound and lands inline
Arm Action: RH. Long arm swing, chest high break and continuous, arm swing down and out, slight downhill shoulders, arm gets horizontal, 3/4 slot
FB: T81, 78-80 mph. T2267, 2149 average rpm.
SL: 66-69 mph. T2448, 2179 average rpm.
CH: 69-72 mph. T1798, 1684 average rpm.
ATH: 7.25 runner in the 60.
Positional Profile: SS/RHP
Body: 5-10, 160-pounds.
Hit: RHH. Balanced setup Small hand load and stride to start, hands work short to contact, level swing plane, high finish, mid/pull approach, average barrel contact, good when on time
Power: 80 max exit velocity, averaged 68.9 mph. 253' max distance.
Arm: RH. INF-79 mph.
Defense: Active and stays light on feet, sits back and works around the ball, open setup, hands work low and out front
ATH: 7.25 runner in the 60.
Positional Profile: 2B/RHP
Body: 5-7, 156-pounds.
Delivery: Works from stretch, balance start, knee lift and coils over back leg, works down the mound landing slightly across
Arm Action: RH. Long to short arm action, hand swing down, shortens near foot land, some slign action
FB: T79, 74-77 mph. Flashed late cut
SL: 69-71 mph. Small tight 10/4 break
CH: 72-74 mph. Good feel
ATH: 7.44 runner in the 60.
Positional Profile: 2B/RHP
Body: 5-7, 156-pounds.
Hit: RHH. Balanced stance, high hand start Small stride and hand load. Stays tall through swing, stiff finish. Hands stay inside the ball. Middle approach, good barrel contact, line drive and fly ball result
Power: 69 max exit velocity, averaged 61.9 mph. 217' max distance.
Arm: RH. INF-83 mph. Some carry
Defense: Feet work around the ball, sits back to field, uses legs to release. Avergage hands, occasional high to low action
ATH: 7.44 runner in the 60.