Highlights Swim Serpentine 2026 Swimming Chicago Marathon 2026 Running More events London to Brighton Challenge23/05/26 Walking Royal Windsor Triathlon 202614/06/26 Challenge London Summer Walk22/08/26 Walking Queen Eleanor Cycle Ride28/08/26 Cycling South Coast Challenge05/09/26 Walking Thames Path Challenge12/09/26 Walking Thames Moonlight 1012/09/26 Walking Tough Mudder London South 202619/09/26 Challenge Halloween Walk31/10/26 Walking
