Green Mile Night Marathon

Dorchester, United Kingdom • 2 Nov 2024

The Green Mile Night Marathon is a unique running event taking place at the former HMP Dorchester, making it the only marathon held entirely within a prison. Scheduled for November 2, 2024, this event features both a day marathon and a spooky night edition, allowing participants to choose between running in daylight or darkness. Head torches are required, and the atmosphere is enhanced with dim lighting to create a thrilling experience. Entry fees vary for affiliated and non-affiliated runners, and discounts are available for those participating in multiple events within the series. Visit the organization's website for the most recent information.

Race information

26 mi
Day Marathon
26 mi
Night Marathon
26 mi
The Long Stretch (both Marathons)
Visit the organization's website for the most recent information.
Trail runs nearby

ColyTEN is a 10 mile multi terrain race on 12 October 2025 in Colyton, mixing riverside paths, woodland climbs and rolling trails with a field finish. Club organised event with on site refreshments, prizes and a welcoming atmosphere.

The The Maverick Jurassic Coast will take place in Corfe Castle on Saturday 18 October 2025. This trail is organized by Maverick Race. You can run between 12 and 102 kilometers.

UTMB Index

The Dorset Hillfort Ultra is a scenic 38-mile running event set in the picturesque West Dorset, featuring a challenging course with approximately 1,300 meters of ascent. Participants will traverse from one ancient hillfort to another, enjoy..

Event overview The Dark Dorset 10 is a twilight trail race run by Tri-Counties Trail Running. The course is an entirely off-road 10 km route that starts and finishes in the park in front of Eastbury House. The route goes through woods into..

Event overview The Bournemouth Coastal TEN takes place on Saturday 22nd November 2025 at Hengistbury Head, Bournemouth, Dorset. The event offers two distance options along largely flat, traffic-free seafront paths and includes a run along B..

Endurancelife Dorset in Swanage on 6 Dec 2025 follows the Jurassic Coast Path for rugged coastal trail running with serious climbs. Choose from 10K to Ultra with marked courses, electronic timing and a finisher medal.

UTMB Index