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Trail Running Calendar near Stonor 2026-2027

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Explore the top trail runs near Stonor for 2026-2027! We've gathered 168 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

August 2026
Richmond Park Half Marathon on 23 August 2026 follows a loop of 13.1 miles around Richmond Park via the Tamsin Trail, with on-course refreshments and a post-race goody bag.
A half marathon around Richmond Park on 23 August 2026 following the Tamsin Trail with aid stations and UK Athletics affiliation.
A trail run entirely within Richmond Park offering half marathon and marathon distances, a route past the White House and park lakes, and on-course drinks and feed stations.
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.
30 August 2026 in Alexandra Gardens Windsor offers 10K and half marathon routes with views of Windsor Castle. The event includes chip timing, free race photos and an event village.
Day nine of the Duck n Run Totally Quackers series on 30 August 2026 in Walton on Thames features timed laps on a flat riverside out and back course, with distances from a single 3.28 mile lap up to an ultra within seven hours.
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.
Choose a half marathon or full marathon along a flat, scenic riverside towpath from Walton on Thames to Hampton Court and back, run in laps for easy pacing. Limited places and medals for all finishers plus a giveaway for every entrant.
A 12-hour looped run at Bloor Homes Southern Regional Office in Newbury where participants complete 3.5 km loops to earn a bespoke medal, with prizes for most loops. The event supports New Life Special Care Babies, is limited to 100 entrants and is 1..
Free MHAC end of summer gathering at Dummer Down Farm with guided 3K, 5K and 8K trail runs, coffee, food, beer, live music and optional donations to Mind.
A timed, lap-based Friday run along the Thames with flexible rock up and run starts; the £10 affiliated entry is donated to Rays of Sunshine and participants receive a double-sided charity medal.
Trail marathon and half marathon through the Surrey Hills along the Pilgrims Way and North Downs Way, passing churches, an abbey and vineyards with proceeds to local charities.
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.
Timed laps on a 5.3 km riverside course along the Thames allow runners to build distances from 5 km up to ultras. First 50 entries receive a black and yellow plushie and a Feisty mini me medal; a no medal option is available.
Seven hour Time Challenge along the River Thames in Staines offering lap based distances from 3km to ultra, with medals, pins, aid stations and goody bags.
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.
Join this flexible timed event along the flat River Thames towpath in Walton on Thames. Complete as many laps as you like over seven hours to achieve distances from 5km to an ultra marathon.
A countryside multi-terrain 10K in Longworth village with kilometer markers, water stations, a kids fun run, and entries limited to 200 runners.
A Henley basecamp trail event with looped options of 50 km, 25 km and 10 km, covered rest stops, GPS tracking, medical support, camping and finish-line hospitality.
A timed multi lap event on 26 September 2026 in Walton on Thames combining a flat 5.3 km out and back riverside course with a cake themed aid station, multiple distance options and a seven hour time limit.
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