Marlborough
Triathlon Calendar near Marlborough 2026-2027
Monthly updates for Marlborough
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Marlborough for 2026-2027! We've gathered 6 exciting races in the area. Check out our detailed list below to find your next local race.
October 2026
Duathlon at Thruxton Race Circuit with sprint and standard distances on a wide smooth tarmac circuit, hosting GB 2027 age group qualifiers.
April 2027
A duathlon at Chieveley Village Hall on 18 April combining a 5 km run, 25 km bike and 5 km run across off road paths and rural roads.
May 2027
A pool-based sprint event in Calne with a 250 m swim, 20 km bike and 5 km run plus duathlon, aquabike, aquathlon and a 1.5 km fun run.
Sprint-distance triathlon in Royal Wootton Bassett with a 400 m pool swim, 22 km bike and 5 km run; proceeds support Wiltshire & Bath Air Ambulance.
Standard distance triathlon at Cotswold Water Park with a 1500 m lake swim, 40 km bike and flat 10 km tarmac run plus an Aquabike option.
Monthly updates for Marlborough
Get new running races (and updates) in your inbox every month.
A sprint triathlon at Westonbirt House on 31 May 2027 with a 400 m pool swim, 23 km bike through the Cotswolds and a 5 km run on estate grounds.