-twitch muscle fibres. A brief stint in a high gear recruits fast-twitch fibres that have been passive. Just 100m can be enough to revive you.Open a GapWhen you surge mid-race, only you know how long it will last. This uncertainty can unsettle your rivals
One piece of racing advice I dispense regularly, and one which is regularly ignored by many of the runners I coach, is to race at an even pace. But there are certain occasions in a race when a well-timed burst of speed is an even better strategy
