Embark on an exhilarating adventure with the Thames Trail Ultra Marathon, a challenging race that follows the picturesque Thames River from historic Oxford to the vibrant rowing town of Henley. The well-marked course showcases beautiful scenery, including charming homes and traditional rowing clubhouses, while navigating a mix of terrains from smooth tarmac to muddy trails, all set along England's largest river. Starting just south of Oxford, participants warm up with a brief run to Iffley Lock before crossing the river and continuing south along the towpath. With well-stocked aid stations and enthusiastic support, this race promises an unforgettable experience. Concluding in Henley, the event offers convenient access to transport, making it a top choice for dedicated runners ready for an exceptional challenge.