Trail Running calendar near Slough 2026-2027

We have found 590 Trailruns within 80 miles of Slough. See below where and when you can find the races.

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.

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 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.

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.

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.

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.

Guided 10 km trail run in the Chiltern Hills from Church Farm Cafe, Aldbury, with Run Leaders offering trail tips and local history. Groups are matched by ability, dog friendly with cani cross equipment.

MacTuffX Peterborough on 11 July 2026 at the Embankment offers Solo Doubles and Relay functional fitness races combining ten Xercises with repeated runs. Entrants must be 18 or older.

Teams of three race from the Packhorse pub to a Midford cider farm and back over an off road route, collecting and carrying a full barrel. Fancy dress is compulsory and prizes include fastest teams and best costume.

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.

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