Trail Running calendar near Harwell 2025-2026

MoRunning returns to Ashton Court Park in Bristol on 9 November 2025 with 1.5k, 5k and 10k trail friendly routes that mix paths, mud and a testing hill. Support Movember for men's health, grab a finisher medal, wear fancy dress and join the..

Join the Southampton MoRun on 9 November 2025 at Southampton Common to support Movember and men's health. Choose 1.5k, 5k, 10k or the half marathon and enjoy a medal, headband and post race treats.

Take on a scenic Half Marathon along the Grand Union Canal through country trails and woodland on November 9, 2025. Enjoy chip timing, a finisher medal and a lively event village with refreshments and event photography.

The SATURN Remembrance Day Run 2025 - South is a commemorative running event held at Wraysbury Skiff & Punting Club, Egham, along the scenic River Thames. Participants can run a flexible distance within a 6 hour and 32-minute timed challeng..

The Remembrance Day Run - South, hosted by Saturn Running, takes place in Surrey at the Wraysbury Skiff and Punting Club along the scenic River Thames in Egham. This 7-hour time challenge allows participants to run multiple laps of a 4.37-m..

Explore ever changing trails at Galleywood Common with 10 or 16 mile self navigated routes provided on the day. There are no course markings or mass start and the finish at the Horse & Groom pub includes a voucher. Entrants must be 18+.

Explore Shaw Forest Park, West Swindon on Sunday 9 November 2025 for an orienteering event with courses for beginners to experienced navigators across mixed forest and open terrain. Online entry only, limited maps available so book early.

Join this atmospheric night off road 10 km at Wyre Forest Visitor Centre on 12 November 2025, run as two torchlit laps over trails and tracks. Canicross friendly and with limited entries, it promises muddy fun and a finishers medal.

Join the New Forest Central Trail Run at Roundhill Campsite for 10km, 17km or 22km routes through ancient woodland and heath. Enjoy undulating gravel trails, roaming ponies and a plastic free event with water, medals and chip timing.

Take on the Wendover Woods 50 on 15 Nov 2025, a 50 mile trail challenge near Aylesbury with about 10,000 ft of climb through beautiful forest terrain. Five 10 mile loops, supported aid stations and a 15 hour limit make for a tough but rewar..

Join SE Champs Weekend on 15 and 16 November for night and middle orienteering in a largely new area beside Britty Wood, open to all abilities. Expect tough championship courses, friendly atmosphere and on site toilets and refreshments.

Explore the woods around Slindon with South Downs Orienteers on Saturday 15 November, with multiple courses to suit all abilities. Juniors can enter free with a special code; contact the organiser if you need one.

Enjoy night and day races across Bath Skyline's stone paths, woodland trails and open meadows, with 5km, 10km and a kids 500m plus a dedicated daytime canicross wave. Glow stick marked night courses make for a magical running experience.

Experience torchlit trails and ancient ruins at the Maverick Dark Castle around Corfe Castle on 15 November 2025. Choose 5 km 10 km or 16 km routes for a thrilling off road night run hosted by Maverick Race.

Explore runnable forest at Shoreham Woods with courses for all abilities and a one hour score challenge. Online entry only; trails are shared with walkers, riders and bikers and have some steep slippery slopes.

The Rugged Radnage 10K Run, held in the Chiltern Hills near Radnage village, offers a challenging mixed-terrain course featuring roads, trails, footpaths, woods, and fields with notable ascents and descents. The event includes both 5K and 1..

Enjoy hilltop views and rolling countryside at the Sundon Saunter near Barton le Clay on 16 Nov 2025. Pick 13, 18 or 27 mile routes with checkpoints and a light finish meal; event is full and has a waiting list.

Take on undulating trails, muddy paths and a shallow stream at the Action Heart Tuff Un, a rugged 6 miles at Baggeridge Country Park in Dudley on 16 November 2025. Enjoy a muddy multi terrain challenge while supporting Action Heart.

Explore the rolling Meon Valley on scenic trail loops from Swanmore, with 15.5 mile, 21.5 mile and tough 40 mile options across the South Downs. Expect notable climbs, tricky underfoot sections and fully stocked checkpoints for support.

Enjoy a small 8 mile trail race through the stunning Avebury World Heritage Site in Wiltshire, weaving past ancient stone circles and rolling countryside. Organised by Marlborough Running Club, this popular November event often sells out.