Trail Running calendar near Sunbury-on-Thames 2026-2027

This timed event on August 15, 2026, offers a flexible, multi-lap format on a smooth riverside course in Winchester. Runners can choose their start time and distance, from a single lap to an ultra marathon, within a 7-hour window. All finis..

A guided 10 km trail run through the Chiltern Hills followed by a brewery tour and tasting at Tring Brewery. Groups are split by ability and participants should be able to run 5 km without stopping.

Trail event on 16 August 2026 offering a competitive 15 mile run and a timed 15 km social hike. Over 18s only; starters receive a vest or T shirt and finishers get a medal and a free drink.

An off road Half Marathon along a riverbank and disused railway, starting and finishing at Henfield Leisure Centre. Facilities include changing rooms, showers and free parking, and medals are given to all finishers.

A 10 km trail run at Ramsbury Brewery on August 16, 2026, mostly off road through trails and woodland. Canicross friendly, entries include a medal, a pint cup and a free drink.

A timed, flexible run along a 3.28 mile out and back route beside the Stroud Waterways canal. Runners choose distances from 5 km up to ultra and may complete as many laps as they wish within a seven hour limit.

An evening *10 km* trail run with a published Strava route, limited entry and an event T shirt included. Race numbers are issued on the day, manual timing may be used and results are posted within 48 hours.

Seven hour timed run on a signed River Thames loop near Egham with flexible start options, medals from 3 km, goody bags including a vegan option, aid tables each lap and distance pins for half marathon or longer.

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 52 mile route across the South Downs National Park with 7,000 ft of ascent and a 23 hour time limit. Starts and finishes at Plumpton College and visits multiple villages with seven staffed checkpoints offering food and drink.

A ten day running series in Walton on Thames from 22 to 31 August 2026 offering daily themed rubber ducks and ten giant spinning ducky medals, with distances from 5 km to ultra and certified out-and-back routes along the Thames towpath.

Combined half and full marathons run through Richmond Park on 23 August 2026, using a lap route from Sheen Gate that follows the Tamsin Trail with aid stations and finishers receiving a medal, mug and buff.

Point-to-point mixed terrain running from Mayflower Park following the Old Way pilgrim trail, with 15 Mile and Marathon options. The route includes a short boat crossing of the Hamble River and passes several historic landmarks.

A South Downs trail running event based at Lancing College offering 5K, 10K, Marathon and 50K routes across grassy trails, chalk paths and ridgelines, with marked, chip-timed courses and aid stations.

Experience a scenic run through the historic Richmond Park on this UK Athletics Affiliated course. Choose between a half or full marathon distance following the trails and private roads of London’s largest Royal Park.

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 self navigation trail event along the Colne Valley Path with marathon and half marathon distances, stocked aid stations, cupless arrangements, a pre-race shuttle and optional medal choices.

A functional fitness race at the Mountbatten Centre on 23 August 2026 that pairs ten Xercises with repeated running segments. Entries include Solo, Doubles or Relay and Classic or double running distances.

A steep, scenic trail run in Godshill offering a 5K one-loop option and a 10K two-loop option with 738 ft of climb. A relaxed community fundraising event with no chip timing and local charity support.

An eight mile urban to trail loop in Bournemouth on 23 August 2026, running from Bournemouth Square into Meyrick Park. The fully signed course has one aid station, chip timing and a post-race gathering at PATCH.