Trail Running calendar near Uxbridge 2026-2027

Trail races around Pitsford Water with 10k and Half Marathon routes from Brixworth Country Park, fully marked courses, water stations, first aid, prizes and a finisher medal.

The Imber Ultra is an annual trail run of just over 33 miles organised by Avon Valley Runners and the Rotary Club of Westbury, with route details, checkpoints, results and photos provided by the organisers.

A mixed-terrain out-and-back event on the Milford on Sea coastal path with 5.3 km laps, coastal views and options from 5K up to ultra-marathon. Facilities include aid tables, on-course toilets and medals for lap finishers.

A trail race at Harrold-Odell Country Park on 13 March 2027 offering 25 km and 50 km distances organised by Thunder Races. Early bird and standard entry prices apply; instalment and transfer options are available.

Multi distance trail event at Hyde Hall Farm on 13/03/2027 offering 10k, half, full and ultra options. The course uses farm grounds with laps, an aid station, secure on site parking and a bespoke finisher medal.

A series of fully marked, fully supported trail and ultra events that prioritise clear waymarking, generous cut-offs, and runnable countryside courses. Distances include an 81-mile Bunyan Trail ultra and 25 km and 50 km Harrold Odell races.

Celebrate International Women’s Day with an all female trail run at the beautiful Culden Faw Estate. Choose from three distances featuring rolling hills and woodland paths in an inclusive environment.

A short out and back carrying race on The Nower in Dorking with a 380 m course and 15 m ascent. Adult pairs follow a weigh in and helmet rules; prizes include a barrel of local ale and novelty awards.

A 13.1 mile cross-country trail from Dorking to Leith Hill Tower and back, with about 1,800 ft of ascent. Entry includes water stations, a personalised number, a reusable medal, post-race beer and a cooked breakfast.

A countryside walking and running event on 14 March 2027 around Sevenoaks, offering three new circular routes that showcase views of the North Downs and Greensand Way, with indoor checkpoints and a 225 person entry limit.

Twelve consecutive days of timed riverside running in Walton on Thames with multiple distance options, collectible daily lantern medals, finishers shirts, and a Double-Down option to run two half marathons each day.

A 50 km trail ultra in the Chilterns starting and finishing at Stonor Park on 20 March 2027. The marked course has 4000 ft of climb, five aid stations, full medical support and a nine hour cut off.

Trail races on the South Downs Way on 20 March 2027 with 50 mile, 50 km and marathon options, marked courses, aid stations and coach transport between finish and start.

A trail event at Stansted Park, Hampshire offering 21.4 km, 16.1 km and 10.0 km routes through woodland and open countryside, with chip timing, on-course drinks and a metal finisher medal.

A looped trail event at High Lodge Thetford Forest offering distances from 5k to ultra marathon, lap-based formats, on course aid at the lap point, medal options and refreshments at Oak Lodge. Part of entry fees support forest upkeep.

Five days of timed running on certified River Thames routes in Walton on Thames, with flexible lap choices from 5 km to ultra distances, daily time limits, aid station, multi-day Lantern medals and finisher t-shirts.

Trail event in Hurn Forest offering distances from 5K up to ultra marathon on a 5.3 km out and back lap. Aid and drinks are available at lap start and finish and 20% of entry fees go to Forestry England.

A two-lap, multi terrain 10 km trail race around Mortimer village that starts and finishes on Mortimer Fairground. The route runs through local woodlands and includes a separate canicross start plus chip timing and downloadable photos.

A single-loop 50 km trail race from Arundel through the South Downs with woodland and riverside sections, four aid stations, chip timing, live GPS tracking and UTMB Index recognition worth 2 ITRA points.

A 42 km trail marathon from Stanmer Park across the South Downs that joins the Brighton Marathon finish on Hove Lawns. Entry includes chip timing, a finisher medal, stocked outposts and a GPX route file.