Speed-Dominant Sprinter Transitioning to Bobsled
Parantha Narendran27 April 2026
Athlete
Dre is a 28 year old Trinidad & Tobago bobsled athlete who managed to improve his 2-man push start time from 5.5 to 5 seconds by utilising Powersports testing and velocity based training.
Dre was originally a sprint specialist, competing at a national level. He has transitioned into the sport of bobsleigh. His background is built on maximal velocity sprinting, with excellent rate of force development and elastic efficiency, but comparatively lower maximal strength. While he is fast, his limitation lies in producing sufficient force against the heavy inertia of the sled at the start.
Current Physical Profile
Dre is strongly biased toward speed and elastic power.
This reflects a “velocity-dominant” profile - capable of applying force quickly, but lacking the absolute strength required for heavy resisted acceleration.
Testing Strategy using the App
Vertical jump battery
- SJ: 42cm (Lower SJ relative to elite standards)
- CMJ: 55cm (Large SJ-CMJ gap)
- ACMJ: 61cm (Moderate CMJ-ACMJ gap)
VBT assessment
- Back Squat: assess maximal strength and 1RM
- Hex-Bar Deadlift: evaluate force application in a bobsled-specific pattern
- Power Clean: measure current explosive power output
- Bench press: measure current upper body strength
The load-velocity profile will show:
- High velocities at lighter loads
- Lower-than-expected force at heavier loads
- A “velocity-skewed” curve indicating insufficient strength base
Diagnosis
The data highlights a clear limitation:
- High RFD and elastic qualities
- Insufficient maximal force production
For bobsled, this is a critical bottleneck - the push start requires high force against resistance, not just speed.
Training Focus
The objective is to increase maximal strength and high-force power output, while maintaining existing speed qualities.
Primary interventions
- Prioritise Back Squat and Hex-Bar Deadlift for strength development
- Retain Power Clean to preserve velocity and convert new strength into power
Velocity-based prescription
- Back Squat: 0.3-0.6 m/s: develop maximal force
- Hex-Bar Deadlift: 0.5-0.8 m/s: target high-force power in a bobsled-specific pattern
- Power Clean: 1.2-1.6 m/s: maintain explosive qualities
Jump monitoring
- Track SJ increases: primary indicator of improved force production
Monitor SJ-CMJ gap: ensure elastic qualities are maintained, not lost
Outcome
After 6-10 weeks, the athlete typically shows:
- Significant SJ improvement
- Increased back squat and hex-bar 1RM
- Improved force output during early acceleration
- Maintained or slightly improved CMJ performance
This reflects a shift toward a more balanced force-velocity profile, enabling the athlete to apply greater force during the sled push while retaining their natural speed advantage.
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