Trail Running calendar near Grafham Water 2026-2027

A 5k obstacle course at Fairlands Valley Park where participants aged 13 and over climb, crawl and slide through muddy challenges while fundraising for Cancer Research UK. The mixed grass and paved course includes staggered wave starts and..

Oaks Trail at Rivenhall Oaks golf centre on 05 Jul 2026 offers two unmarked routes of about 6.5 or 3.5 miles, with entry fees split by England Athletics affiliation and proceeds donated to Essex and Herts Air Ambulance Trust.

Community trail run in Epping Forest organised by Muslim Runners at Butlers Retreat. Pace groups cover about 3 km and 6.5 km and there is a 30 minute walking group, with bag drop and coffee after the run.

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 9.9 km fell race from Cromford Meadows with mainly trail running and a mid-race climb past Black Rocks, totaling about 800 feet of ascent. Organised by Matlock Athletic Club, entries are online in advance with a 300-runner limit.

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.

Summer 10k at Coombe Abbey Park on 10 July 2026 is a 10 km trail run over two laps of woodland and meadow with four water station visits. Onsite toilets and low cost parking are available and there is an option to receive a tree token inste..

A six-hour trail event at Coombe Abbey Park where participants complete as many 3.3 mile laps as they choose within a timed window. The route is mainly stone pathways with a meadow section, on-site parking, cafe and toilet facilities.

Midlands Spartan Weekend at Belvoir Castle runs Jul 10 to 12, 2026 with Sprint, Super, Beast and kids obstacle races. It is a Trifecta Weekend allowing completion of the three main distances in one weekend.

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..