Summer Duathlons Found
View all ↓Summer 2025 Duathlons
Find A Race is the UK's favourite event listings site. Check out our list of Summer 2025 Duathlons below.
Race Calendar: Summer Duathlons
Storm The Castle Duathlon
Ludlow, ShropshireChâteau de Chantilly Triathlon & Duathlon
Chantilly, OiseOffer
10% OFF
Slateman Triathlon & Duathlon
Caernarfon, GwyneddThe One on the River - Marlow
Marlow, BuckinghamshireEastbourne Triathlon
Eastbourne, East SussexSalty Sea Dog Duathlons & Triathlons - June
Bournemouth, DorsetThe One for the Planet powered by Climategames
WindsorCholmondeley Castle Triathlon & Multisport
Malpas, Cheshire, Cheshire EastOffer
10% OFF
Woodford Community Duathlon
Woodford War Memorial Community Centre, Chester Rd, Woodford, Stockport, SK7 1PSRunning GP at Goodwood Motor Circuit Races & Duathlons July
Chichester, West SussexSalty Sea Dog Duathlons & Triathlons - July
Bournemouth, Bournemouth, Christchurch and PooleUpton Tri + Duathlon
Worcester, WorcestershireThe One on the River - Marlow
Marlow, BuckinghamshireBelvoir Castle Triathlon & Mulitsport
Grantham, Belvoir, LeicestershireOffer
10% OFF