Trail Running calendar near Epping 2026-2027

A flat 10 km trail run through Thursley National Nature Reserve near Thursley, Surrey. Group runs include dusk and night options with headtorch guidance, an entry fee of £22 per person, and kit and torch support available.

A multi-terrain 5km in Fermyn Woods Country Park on Wednesday 8th July, part of the Northants 5K Series. Limited parking, bespoke finishers medals and a virtual completion option are available; entries close 23:59 on Tuesday 7th July.

An off‑road two-lap race through Hainault Forest organised by Ilford Athletic Club on 8 July 2026, supporting St. Francis Hospice and forming Leg 5 of the Elvis Grand Prix.

A measured off road 5K held as Race 4 of the Crown to Crown 2026 series at Westley Heights Country Park on 8 July. The course uses bridleways and some tarmac, with TRA licensing and on course marshals and first aid.

The Phoenix Running - Slough will take place in Slough on Thursday 9 July 2026. You can run 5 miles.

A mostly off road 10 km trail at Trifarm, Boreham on 09 Jul 2026, run on public footpaths and bridleways with on-site parking, numbered registration at the entrance, and a finish around the lake running track.

A 7 hour timed event on a signed loop along the River Thames in Egham, with flexible self-directed distances from 3 km up to ultra and 50 km options. Finishers receive medals, goody bags and distance pins for longer distances.

Phoenix Fridays offers a flexible Friday run with a "rock up and go" start. Choose your distance on a flat, timed 5.3km loop along the Thames towpath. All finishers can pick from a selection of signature medals.

A roughly five mile off road trail run at High Lodge Thetford Forest with chipped timing and a finishers medal. Entries are non refundable but transfers to another runner are allowed until 06/07/2026.

A 24-hour multi-terrain relay or solo race near RM13 with teams of 2 to 8, repeated 5.75 mile laps, free camping and on-site catering, showers and first aid. Entry fees are published from £89 to £110.

A trail ultramarathon from Lewknor to Avebury in Oxfordshire with 100 km and two 50 km stage options, following the Ridgeway through historic sites and offering pit stops, chip timing and basecamp facilities.

Trail races from 8 km up to a 50 km ultra around Princes Risborough, using ancient beech woods, chalk downs and Ridgeway sections with marked routes and fuel outposts.

Three measured routes through Mid Suffolk countryside on 11 July 2026, including a 31.5 mile option that passes 10 historic churches. Shorter routes branch off the main course and rejoin for a common finish with checkpoints and refreshments..

Timed non stop runs of 6, 12 or 24 hours on the Backyard route at High Lodge Thetford Forest. Enter solo, as a pair or a team of up to four; camping onsite, timing by Timing Monkey and a bespoke wooden medal for all.

Enjoy a flexible timed running event along the flat River Thames towpath. Choose your distance from 5km to an ultra marathon and earn a bespoke spinning medal on this fast riverside course.

A guided 10 km trail run in the Chiltern Hills with run leaders who provide trail running tips and local history stops. Based at Church Farm Cafe in Aldbury, the event offers on-site parking, bag storage and a cani cross dog option.

A functional fitness race at Peterborough Embankment on 11 July 2026 pairing ten station Xercises with repeated 400m or 800m run legs. Entry types include solo, doubles and relay and all entrants must be 18 or over.

A lap based timed run at Mowsbury Park on 11 July 2026 offering distances from 5 km up to ultra with a flexible one hour start window and a choice of medal or lower cost no medal entry. Places are limited to 75.

A muddy 5k obstacle course through Abington Park in Northampton on 11 July 2026, organised by Cancer Research UK. Waves run every 15 minutes, participants must be aged 13 or older, and on site facilities include toilets and refreshments.

A muddy 5k obstacle event at Beckenham Place Park with climbing, crawling and sliding on a grassy, undulating course. Waves start every 15 minutes; participants must be 13 or older and fundraising supports Cancer Research UK.