Oxfordshire
Triathlon Calendar near Oxfordshire 2026-2027
Monthly updates for Oxfordshire
Get new running races (and updates) in your inbox every month.
Explore the top triathlons near Oxfordshire for 2026-2027! We've gathered 6 exciting races in the area. Check out our detailed list below to find your next local race.
September 2026
Multisport races at Henley Showground featuring triathlon, aquabike and open water swims on the River Thames with marked courses and on-site facilities.
April 2027
A duathlon at Chieveley Village Hall on 18 April 2027 combining two 5 km runs with a 25 km bike leg and on-site parking and refreshments.
May 2027
Marlow Triathlon on 30 May 2027 at Higginson Park features open water River Thames swims, cycling through the Chilterns and riverside runs, with medals and chip timing.
June 2027
A two-day triathlon at Blenheim Palace on June 5-6 2027 with a lake swim, closed-road bike and scenic run through the palace parkland.
Pool based triathlon in Henley on Thames with an indoor pool swim, rural bike laps and a grass run around Gillotts School, with chip timing and finisher medals.
Monthly updates for Oxfordshire
Get new running races (and updates) in your inbox every month.
July 2027
Triathlon at Higginson Park, Marlow on 11 July 2027 offering Middle, Olympic and Sprint distances with a Thames swim and chip timed results.