Trail Running calendar near Staines-upon-Thames 2026-2027

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 running event on 11 July 2026 from Princes Risborough into the Chiltern Hills, offering routes from 8 km to 50 km across beech woods, ridgelines and chalk downs with marked outposts and timed results.

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 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.

Running Wild 2026 is a muddy 5K obstacle course through Wild Forest near Brentwood on 11 July 2026. Open to ages 13 and over, it includes water features, climbing and a large slide into a lake, with a medal and post race shower.

A multi-lap running event at Box End Park in Kempston with three race options of repeated 5 km laps, race medals, on-course support and awards across overall, female and age-group categories.

A 7-mile multi-terrain race through Knole Park with a chip-timed 3.5 km junior run for ages 9 to 15. Profits support The Running Charity and the event includes medals, free photos and prizes for top finishers.

Community fundraising runs at Abington Park with chip timing and a mixed pathways and grass course. Distances include 10 km, 5 km and 3 km and participants have a minimum fundraising target of £50.

A sold-out cross country 10k across the Ridgeway and Chiltern Hills with steep climbs and twisting single-track descents. Open to runners aged 16 and over and run under TRA and UK Athletics rules.

A four race summer series at Dinton Pastures Country Park offering 5 km, 10 km and a 2 km kids race on a traffic free off road course. The event includes chip timing, marshals, medals and on site first aid.

A weekend trail running festival at Mill Farm, Lurgashall, featuring 50 km, marathon, 16 mi, 12 km and a 2 km LittleFeet run, with camping, glamping, on-site village activities and stocked aid stations including PH1000 electrolyte.

An evening trail event at Wendover Woods on 18 July 2026 with 10K, 5K and a 1.5K accessible loop supporting the Chilterns Neuro Centre. Fully marked trails, chip timing and an aid station on the 10K.

A weekend running festival at Blackland Farm on 18–19 July 2026 offering 1-mile lap formats: 24-hour and 12-hour solos, team relays, plus P24 and P12 paced challenges. Off-road course, camping included and limited Bell Tent upgrades.

MacTuffX Brighton at Withdean Stadium on 18 July 2026 combines ten prescribed Xercises with repeated runs in Classic and double distance formats, with solo, doubles and five person relay entries and a LITE weight division option.

Pretty Muddy 5k at Tilgate Park in Crawley is an obstacle course around Tilgate Lake with climbs, crawls and slides. The event raises funds for Cancer Research UK and offers on-site toilets, refreshments and parking.

A muddy 5k obstacle course at Stoke Park in Guildford on 18 July 2026 with staggered wave starts. Entry fees and a minimum fundraising target apply; participants must be 13 or older.

A group trail run from Dorking Station through Denbies Wine Estate and the North Downs, followed by stone baked pizza and a guided Denbies wine tasting. Options include an 8 km loop or a 5 km walk.