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10 × 100m Repeat Sprint Endurance Challenge
Ten 100-meter sprints with 2:00 rest between repetitions. A 1,000-meter total-work test of repeat-speed capacity, acceleration retention, and mechanical consistency.
The four results that matter
Tyler recorded 10.81 seconds in his fastest 100m. His four performance results focus on single-race speed, while the 10-repetition average of 11.28 seconds shows his ability to sustain that speed across the challenge.
The four results assess Tyler’s single 100m performance and potential. His 11.28-second average across ten sprints is analyzed separately to identify opportunities in repeat-speed endurance.
At a glance
How quickly Tyler ran, and how consistently he could repeat that speed.
Movement Mechanics
Your movement pattern and the mechanics behind your result.
Opening repetition
Final repetition
Difference from rep 1 to rep 10
What happened across all 10 reps
100m time by repetition
Rep time rises steadily from 10.81 to 11.88 seconds. The decline becomes more pronounced late in the set.
100m divided into three phases
The 0–30m segment changes from 4.05 to 4.52 seconds. The 30–60m segment changes from 3.01 to 3.29 seconds, and the final 40m from 3.75 to 4.07 seconds.
Propulsion index
Propulsion index changes from 11,616 to 10,464 across reps 1–10. This index summarizes the change in propulsive output through the 10 repetitions.
Impact index
The peak-load index changes from 30,492 to 30,096. Changes in contact count and peak impact indicator contribute to the index.
Rep-by-rep breakdown
Sprint times and segment splits
| Rep | 100m total | 0–30m | 30–60m | 60–100m | Rep grade |
|---|---|---|---|---|---|
| #1 | 10.81 s | 4.05 s | 3.01 s | 3.75 s | A |
| #2 | 10.92 s | 4.09 s | 3.04 s | 3.79 s | A |
| #3 | 11.01 s | 4.12 s | 3.07 s | 3.82 s | B |
| #4 | 11.08 s | 4.16 s | 3.09 s | 3.83 s | B |
| #5 | 11.19 s | 4.20 s | 3.12 s | 3.87 s | B |
| #6 | 11.28 s | 4.25 s | 3.16 s | 3.87 s | B |
| #7 | 11.41 s | 4.31 s | 3.19 s | 3.91 s | C |
| #8 | 11.55 s | 4.38 s | 3.22 s | 3.95 s | C |
| #9 | 11.71 s | 4.44 s | 3.26 s | 4.01 s | C |
| #10 | 11.88 s | 4.52 s | 3.29 s | 4.07 s | C |
Repetition grades: A · 11.00 seconds or faster; B · 11.01–11.35 seconds; C · slower than 11.35 seconds.
Modeled force proxies and foot contacts
| Rep | Contacts | Peak impact proxy (lb) | Propulsion proxy/contact (lb) | Propulsion index | Impact index |
|---|---|---|---|---|---|
| #1 | 44 | 693 | 264 | 11,616 | 30,492 |
| #2 | 45 | 685 | 261 | 11,745 | 30,825 |
| #3 | 45 | 676 | 257 | 11,565 | 30,420 |
| #4 | 46 | 668 | 254 | 11,684 | 30,728 |
| #5 | 46 | 660 | 248 | 11,408 | 30,360 |
| #6 | 46 | 652 | 243 | 11,178 | 29,992 |
| #7 | 47 | 644 | 236 | 11,092 | 30,268 |
| #8 | 47 | 635 | 231 | 10,857 | 29,845 |
| #9 | 48 | 630 | 224 | 10,752 | 30,240 |
| #10 | 48 | 627 | 218 | 10,464 | 30,096 |
TrackFIT propulsion and impact indexes combine the force profile with ground-contact counts for each repetition.
Impact & Effort Forces
How your body applies useful effort and handles the demands of ground contact.
Rep 10: 218 lb
Rep 10: 627 lb
Rep 10 relative to rep 1
Motion DNA™ & TrackFIT Score
Your individual movement signature, performance strengths and score profile.
Movement-performance profile
What Closes the Gap
The physical and mechanical changes that can improve your result.
01 · Acceleration retention
Strengthen glute and hamstring coordination to preserve the initial 30m acceleration pattern in the later repetitions.
02 · Elastic force transfer
Improve foot and ankle stiffness and contact timing to retain more useful propulsive effort as sprint speed decreases.
03 · Posture under fatigue
Improve trunk and hip control to reduce late-sprint mechanics losses while maintaining a consistent left–right movement pattern.
Performance Development Plan
Your next performance targets and priorities for the next assessment.
01 · Acceleration retention
Keep acceleration mechanics effective beyond the fifth repetition.
- Twice weekly: 6 × (50m jog + 50m progressive acceleration at 95–98%) with 2:00 recovery. Target: final rep within 0.12 seconds of best.
- Once weekly: resisted sled work, 8 × 50m at approximately 20–25% body weight, with full recovery and technique oversight.
- Once weekly: 3 clusters of 3 × 20m, with 30 seconds between runs and 4:00 between clusters.
02 · Late-sprint mechanics
Improve mechanics and speed maintenance through the final 40 meters.
- Once weekly: 5 × 150m around 92–95% effort, with 6–8 minutes recovery.
- Twice weekly: wicket runs and flying 30m runs following a 30m build-up.
- Twice weekly: low-volume pogo hops and rudiment hops, emphasizing contact quality.
03 · Efficiency under fatigue
Maintain posture and consistent contacts as fatigue develops.
- Use side-view video to review hip position, trunk angle, and contact mechanics rather than assuming one fault causes another.
- Twice weekly: posterior-chain strength and ankle stiffness work adapted to the athlete's training load.
- Support high-quality sprint sessions with appropriate sleep, fueling, and recovery.
Projected race performances
Additional race-distance projections informed by Tyler’s sprint profile and fatigue pattern.