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Green Mile (Evening Halloween Edition)

Name: Green Mile (Evening Halloween Edition)
Start: 2024-11-02
End: 2024-11-02
Location: Dorchester

Dorchester, United Kingdom • 2 Nov 2024

The Green Mile (Evening Halloween Edition) is a unique marathon event taking place at the historic Dorchester Prison in Dorset. After a two-year hiatus, this spooky edition invites participants to choose between a daytime or nighttime marathon, both featuring challenging stair climbs. The event promises an atmospheric experience with altered lighting to enhance the eerie setting of the Victorian prison.

This marathon is notable for being the only one held entirely within a prison. Runners can opt for either the day or night marathon, or tackle both for an extended challenge. Visit the organization's website for the most recent information.

United Kingdom South West (England) Dorchester

Race information

Website

26 mi

Both Marathons (the Long Stretch)

26 mi

Day Marathon

26 mi

Night Marathon

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.