Ultra Trail Calendar 2025

Ultra Trail Calendar 2025. The following is a list of fun runs, marathons, obstacle course races, triathlons and multisport/adventure races in united kingdom in 2025. An ultramarathon is any running race longer than traditional marathon length of 42.195 km or 26.2 miles.

The varied trails of the beautiful and. Plan your next ultra marathon with this complete event calendar for north american ultra running events including trail races and road races.