The Three River Challenge
Always double-check with the organizer's website! This page may contain affiliate links.
Event overview
The Three River Challenge is a 15 mile run (approximately 14.7 miles / 23.65 km) along riverbanks and roads in the Lincolnshire Fens. The route follows the rivers Slea, Skirth and Witham and combines sections on trails and on public roads. The event base is South Kyme Coronation Hall, South Kyme, Lincoln, LN4 4AD. A route map is available on plotaroute.com.
Entry and rules
Entry options list Adult Runner £15.00 and Adult Walker £15.00. Entry on the day is available for £17.50. Entries close on 31st October 2025. Participation is at the entrant’s own risk; participants must be medically fit to take part, accept responsibility for their vehicles and belongings, and follow safety rules and marshal instructions. The organisers exclude liability for death, injury, loss or damage arising from participation. Visit the organization's website for the most recent information.