Thames Trail Ultra

Oxford, United Kingdom • 25 Oct 2025

The Thames Trail Ultra is a challenging 47-mile point-to-point ultra marathon that runs along the scenic Thames River from Iffley in Oxfordshire to Henley-on-Thames. This popular event, previously known as the Thames Trot, features a diverse course that includes tarmac paths, muddy trails, and picturesque views of traditional rowing clubs and beautiful houses. Participants can expect well-marked routes and support from volunteers at various checkpoints. The race is recognized as a UTMB index race, making it a notable event in the ultra running calendar. Runners will have access to amenities like showers and hot food at the finish line. Visit the organization's website for the most recent information.

Race information

47 mi
289 m+
47 Miles
Visit the organization's website for the most recent information.
Trail runs nearby

The Chiltern Ridge Classic 50K is a renowned ultra marathon set in the picturesque Chiltern Hills, featuring a scenic route that spans from Berkhamsted Castle to Hampden Meadow in Wendover. Participants will traverse stunning ridgeline trails, including notable landmarks such as Ivinghoe Beacon and..

UTMB Index

The Henley River Half Marathon, 10k & Juniors is a scenic running event taking place on April 12, 2025, in Henley-on-Thames, UK. Participants can choose from a half marathon, a 10k race, or junior races, all set against the beautiful backdrop of the River Thames. The event features accurately marked..

The Mortimer 10km is a trail running event set in the picturesque Berkshire village of Mortimer. This multi-terrain race features a scenic two-lap course that winds through beautiful woodlands, utilizing footpaths and bridleways. The event is dog-friendly, offering a canicross entry option for parti..

The Beaconsfield 5 Trail Run is a scenic 5-mile race taking place at the Hall Barn Estate in Beaconsfield, Great Britain. Organized by Burnham Joggers, the event features a looped course that starts and finishes at the Beaconsfield Rugby Club. Participants can enjoy amenities such as changing rooms,..

The Chiltern Hills 100K is an ultra marathon event scheduled for April 26, 2025, organized by Runaway Racing. This challenging race takes participants on a scenic 100-kilometer loop through the picturesque Chiltern Hills, starting and finishing in Chesham. Runners will traverse beloved trails, inclu..

UTMB Index

The Mapledurham Backyard Ultra is a thrilling last-man-standing running event scheduled for May 3, 2025, at Mapledurham House in Reading. This endurance challenge features a 4.167-mile loop through Chazey Woods, where participants must complete laps on the hour, every hour, until only one runner rem..