St Albans Stampede - 12hr Enduro

Sandridge, United Kingdom • 6 Sep 2025

The St Albans Stampede - 12hr Enduro is an ultra marathon held in the scenic Hertfordshire countryside, featuring parts of Heartwood Forest and Nomansland Common. Participants aim to cover the greatest distance by running multiple four-mile loops within a 12-hour period. The event accommodates solo runners, pairs, and relay teams of up to eight members.

Awards are based on distance covered, not necessarily completing the full 12 hours. The course offers a natural forest setting, and all finishers receive medals. The event is licensed by the TRA and follows UK Athletics rules, with age-related distance restrictions for younger runners. Visit the organization's website for the most recent information.

Race information

12 hr
12hr Enduro (timed Event)
Visit the organization's website for the most recent information.
Trail runs nearby

Take on the Unbreakable Treasure Run on 5 April 2026 at Xcel SPORTS HUB, Walton on Thames, running timed laps along a flat riverside towpath from 5 km to ultra. Limited places and a 7 hour time cap make this a focused challenge with a keeps..

Experience a scenic 5 mile trail loop through the private Hall Barn Estate in Beaconsfield. This chip timed race features mixed terrain and finishes with a medal and awards ceremony at the local rugby club.

Experience a guided marathon through the beautiful Chiltern Hills with expert navigation and support. Run iconic trails like the Ridgeway in a small group setting led by qualified leaders.

Experience the beauty of ancient woodland at the Epping Forest Wildwood Trail Series. Choose between a 10K or half marathon distance through scenic trails featuring natural forest terrain and muddy paths.