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Green Mile Night Marathon

Name: Green Mile Night Marathon
Start: 2024-11-02
End: 2024-11-02
Location: Dorchester

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.

United Kingdom South West (England) Dorchester

Race information

Website Registration

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

Saturday May 30

Race for Life Pretty Muddy Poole

Poole

Mud Run / Obstacle Run

5 km

An obstacle 5k at Baiter Park in Poole on 30 May 2026, the Pretty Muddy event combines climbing, crawling and sliding while raising funds for Cancer Research UK. Waves run every 15 minutes and participants must be 13 or older.

Wednesday Jun 3

Chase the Sun - Dorset

Church Knowle

3 mi

7 mi

Midweek chip timed trail races at the Blue Pool nature reserve in Dorset with 7 mile and 3 mile routes through woodland and ridge views. Race entry includes access for one adult and up to two children.

Sat - Sun Jun 6-7

The Oner Ultra Trail Run

Isle of Portland

85 mi

140 km

A single-stage coastal ultra on 6 and 7 June 2026 covering circa 85 miles (about 140 km) along the Jurassic Coast. The event runs from a Portland HQ with checkpoints, GPS tracking and a compulsory kit list.

Sunday Jun 7

BigSea Trails (WATER)

Water themed trail running on the Isle of Purbeck with four single lap distances from half marathon to 54k. Routes run along coastal cliffs and Purbeck hills and include well stocked aid stations and GPX navigation advice.