Simon Withers

About

Simon Withers is a British ultra trail runner with a UTMB Index of 701 who has built a consistent record across the Centurion Running series and other major UK events. He is the outright winner of the North Coast 110-mile race and the North Downs Ridge 50km (2025). At the 2025 Arc of Attrition by UTMB, the 100-mile Cornish coastal race, he placed third behind an international field. His 14th-place finish at the SDW100 in 2024 (17:18) reflects a steady upper-tier presence in British ultra racing.

Notable Wins

• — North Coast 110 mile
• — North Downs Ridge 50km 2025
• — Arc of Attrition 3rd 2025

Upcoming Races