Mapledurham Backyard Ultra

Mapledurham, United Kingdom • 3 May 2025

The Mapledurham Backyard Ultra is a thrilling last-man-standing running event scheduled for May 3, 2025, at Mapledurham House in Reading. This endurance challenge features a 4.167-mile loop through Chazey Woods, where participants must complete laps on the hour, every hour, until only one runner remains. Ideal for both seasoned ultra runners and newcomers, the event promises a supportive atmosphere with a race village offering refreshments and space for support tents.

Participants can also camp at the start line, making it a community-focused experience. The event aims to build on the success of its inaugural edition, fostering a love for endurance running. Visit the organization's website for the most recent information.

Race information

6 km
4.167 Miles / 6.706 Km Loop
Visit the organization's website for the most recent information.
Trail runs nearby

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A 5.3 miles off-road trail race around Ashridge Woods on 28 June 2026, organised by Aldbury Sports Club with National Trust permission. Water and finish refreshments are provided and entry fees differ for affiliated and non affiliated runne..

A guided 10 km trail run around the Devil's Punchbowl in Hindhead, Surrey. Hilly evening and night runs in a group setting with parking available and a kit list provided; cost £22 per person.

A timed charity run along the Thames with lap options from 5.3 km up to ultra distances. The Run for a Tenner entry donates £10 to Rays of Sunshine and all finishers receive a bespoke medal.

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