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Thames Trail Ultra

Oxford, United Kingdom • 25 Oct 2025

THAMES TRAIL ULTRA

The Thames Trail Ultra is a 47-mile point-to-point ultra-marathon on Saturday 25 October 2025, running from Hawkwell House Hotel in Iffley (south of Oxford) to the YMCA Y Centre in Henley-on-Thames. The event is registered on the Ultra-Trail du Mont Blanc (UTMB) Index in the 50K category. Entry includes a GPS tracker; the stated entry fee is £70. The race is restricted to competitors aged 18 and over and has an overall cut-off time of 11.5 hours. Prizes are awarded to the first three male and female finishers, and all finishers receive a medal and Go Beyond merchandise.

Course and logistics

The route follows the Thames Path and the Ridgeway National Trails and includes a mix of country trails, riverside paths and roads. The course comprises 47 miles in total, with 40.4 miles (86%) on cross-country and riverside surfaces and 6.6 miles (14%) on roads. Total elevation is listed as +947 ft (+289 m) ascent and -1053 ft (-321 m) descent. Some local route changes apply this year: the Donkey Bridge near the finish is off-limits and the Benson Weir footway is closed; updated GPX and tracker guidance will show the diversion. There are five checkpoints with water and snacks, toilets near CP1, CP4 and CP5, baggage transfer for one carry-on sized bag, and real-time tracking using Geo Tracks. Mandatory kit includes a charged mobile phone, power bank, minimum 1 L water capacity, survival blanket, waterproof jacket, whistle, headtorch with spare batteries, hat and gloves, long-sleeved top, and a debit/credit card. Trail shoes are recommended and some sections can become very muddy. Visit the organization's website for the most recent information.

United Kingdom South East (England) Oxford

Race information

Website
UTMB 50K
47 mi
289 m+
47 Miles
Visit the organization's website for the most recent information.
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