Trail Running calendar near Oxford 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..

Community social trail run in Epping Forest organised by Muslim Runners at the Epping Forest Visitor Centre at Chingford. Pace groups cover runs of 6.5 km and 3 km and a 30 minute walking group, with bag drop and coffee afterwards.

A flat 10 km trail run through the 325 hectare Thursley National Nature Reserve, featuring a recognised boardwalk and abundant wildlife. Suited to newcomers to trail running and runners seeking a social evening run.

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.

A single lap off-road 10 km race at Wyre Forest with canicross allowed and facilities limited to toilets and water at halfway. Series entry is open until 1 May 2026 and places are limited.

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.

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 *10 km* trail race at Coombe Abbey Park on 10 July 2026, run over two laps through woodland, meadow and grass with on-course water and basic facilities. Tiered entry fees apply and optional charity donations are available.

A six hour, self paced lap event at Coombe Abbey Park on a 3.3 mile loop of stone paths, meadow and tree cover. Runners choose how many laps to complete; rucking is allowed and an eco friendly tree token is available instead of a medal.

A 7 hour timed event on a signed Thames loop at Wraysbury Skiff & Punting Club in Egham where runners choose distances from 3 km upward. Medals, goody bags and aid station support are provided with age and distance rules in place.

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 Friday evening multi terrain race in Corsham on 10 July 2026 featuring a roughly 6 mile main course and a 2 km junior race, with licensed insurance and proceeds supporting local charities.

A point to point 57 mile ultra along the Severn Way from Worcester to Stonehouse, passing Upton-on-Severn, Tewkesbury and Gloucester. Four checkpoints offer vegan and gluten free options, finishers receive a bespoke medal and a head visor.

On 11 July 2026 an event in the Black Mountains offers distances from half marathon to 50 mile. Routes are self navigated with GPX files and supported by checkpoints, tracking, food provisions and medical cover.

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.

Follow Britains oldest trail through 5000 years of history on the Ridgeway. Choose between 50km or 100km distances and finish at the iconic Avebury Standing Stones with full medical and snack support.

An outdoor inflatable obstacle run on a 2.5 km lap with options of 2.5k, 5k, 10k and 15k. The event features giant inflatables, music zones, on-course water, a finisher's medal and on-site food vendors.

Circular running and walking routes start in Hallow and pass through 12 local parishes. Distances range from 10 to 40 miles, with waymarked off road paths, checkpoints offering drinks and snacks, and a hot meal and certificate for finishers..

Trail races from 8 km to 50 km start at Princes Risborough School on 11 July 2026. Routes cross ancient beech woods, chalk downs and ridgelines in the Chilterns AONB with marked courses and aid outposts.