Battersea Park, Battersea Park Road, London, UKWed, 16 Sept 202608:30
5kNaturalSingle day raceFlatPathsStreet
The series finale is short, sharp, and decisive. The Speed Test is a flat out 5K where there’s nowhere to hide and no time to recover. Every second matters.
This is the FINAL race in the series: each race can be entered individually
Four Races. Four Tests. One Champion. 🏆
The 2026 Best Race Series, in partnership with adidas, is now live. Take on 10K, Half Marathon, 60‑Minute Track, and 5K challenges across the year.
Four races designed to push every part of your running: threshold, endurance, limits, and speed.
Complete all four races to compete for end of series prizes, exclusive recognition, and your title as Best Race Series Champion!