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.