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Trail Running Calendar near Brill 2026-2027

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Explore the top trail runs near Brill for 2026-2027! We've gathered 103 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

August 2026
A 49 mile point to point Thames Path ultra from Oxford to Henley with three checkpoints, mandatory navigation kit and a bespoke finisher medal plus kit options.
A 47 mile point to point ultramarathon along the Thames from Henley to Kingston, with three checkpoints offering food and drink, mandatory navigation kit and a required average pace to remain in the race.
The Stopsley Trail Race on Sunday 9 August 2026 offers 5K, 5 miles and 10 miles on scenic undulating trails along the Bedfordshire and Hertfordshire border. Entries include chip timing, bespoke medals, free photos and participant goodies.
Four-event summer series at Dinton Pastures offering 5 km, 10 km and a 2 km kids race on a flat off road traffic free course with chip timing and medals.
Two TRA licensed trail ultras of 50k and 100k around Market Harborough with GPX navigation, checkpoints, on course aid and tracking.
A guided 10 km summer trail run in the Chiltern Hills followed by a Tring Brewery tour and tasting, with pizza available to purchase.
Trail races at Wendover Woods feature a half marathon, 10k, 5k and junior race across steep woodland with 181 m of climb. Entries include a themed medal, free photos, chip timing and post race goodies.
A trail half marathon from Creasey Park across the Dunstable Downs, run mainly on footpaths and bridleways. The self navigated course includes checkpoints and guide runners, a GPX file, on course drink stations and event facilities.
September 2026
A mixed terrain trail along the Thames at Remenham Farm in Henley on Thames offering a half marathon, 10K and a junior race, with chip timed results, a themed medal and free race photos.
A series of fully marked, fully supported trail and ultra events in the UK that focus on a welcoming, inclusive atmosphere with generous cut-offs and runnable countryside courses.
An annual fun run in Steeple Barton offering 10 km, 5 km and a fun run on undulating on and off road courses through lanes, fields and the Barton Abbey Estate. Proceeds support Steeple Barton Church.
A single 50 mile loop through the Chiltern Hills with 5600 ft of climb, five aid stations, marked course, mandatory kit and a 13 hour cut off.
A looped trail event from Henley offering 50 km, 25 km and 10 km distances with covered rest stops, GPS tracking and on site camping. Finishers receive a medal, a finisher's t shirt and a post event meal.
Three community races at Harcourt Hill, Oxford on 26 Sep 2026 with 10 km, 3 km and 1 km options. The 10 km is mostly off road and includes a section of the Oxford Greenbelt Way; medals and prizes are provided.
A themed Time Challenge in Northampton offering distances from 3 km to ultras, themed medals, goody bags and aid stations on trails around the Washlands.
A multi terrain trail run along the Thames near Marlow offering a Half Marathon, 10k and a 1k Little Sprinters race. The event features chip timing, a finisher medal, on route water stations and an event village with facilities.
October 2026
Wild Run Cotswolds showcases rugged off road trails on a private estate with fully marked routes, chip timing and a family friendly supporter zone. Entries are limited to 600; choose 10K, half, marathon or the six hour 360 challenge.
Three mapped walking routes from Marlow of 25 km, 40 km and 50 km with checkpoints, time limits, mandatory kit and limited online entry.
Road and trail races in the Chiltern Hills on 11 October 2026 offering 5 km and 10 km routes with woodland paths, country lanes and notable climbs.
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