Trail Running calendar near Tadworth 2026-2027

A 42 km trail to road marathon across the South Downs featuring an ascent of Ditchling Beacon and a final 6 km into Hove Lawns on the Brighton Marathon course.

Scenic mixed terrain races along the Thames at Remenham Farm in Henley on Thames. Options include a Half Marathon, a 10K and a Junior Race with marked trails, marshals, chip timing and post race goodies.

A 54 mile circular ultra and a 26.2 mile marathon through Northamptonshire trails, roads and canal towpaths with checkpoints, GPS tracking and relay options.

A 50 mile point-to-point race along the South Downs Way from Worthing to Eastbourne, featuring about 5,700 ft of climb, seven staffed aid stations, mandatory kit checks and a 13 hour finish limit.

Four Centurion Running 50 mile events from 10 April to 13 November 2027 as a Grand Slam entry; entry fee £480, minimum age 20, XCover refund option available.

A family friendly inflatable obstacle fun run in Huntingdon on 10 April 2027 with 2.5k laps, multiple distances, music zones, a finisher's medal and on course water.

A round of the Kent Backyard Ultra Series at Lillyroo’s Glamping near Deal, run on a flat 4.167 mile coastal loop. The event offers the open-ended Backyard Ultra format plus a separate 7 Hour Challenge and on-site camping and food.

Races on the Thames Path at Wraysbury Skiff & Punting Club in Runnymede offering Marathon, Half Marathon and 10 km courses with marked turnaround points and stocked checkpoints.

A trail weekend at Cowdray Estate, West Sussex offering five distances from 12 km to 110 km, low technical difficulty, an event village with expo, and optional camping and race support.

A 50K trail ultra across the Ridgeway between Berkhamsted Castle and Wendover, with three aid stations, marked navigation and a 9 hour limit.

Windsor 50 Ultra Challenge on 17 April 2027 offers 50 km, 25 km and 10 km looped routes from Windsor Racecourse with full support and marked trails.

Guided marathon through the Chiltern Hills with qualified run leaders, checkpoints, and a wooden finisher medal on 17 April 2027.

Ibstone Circle on 18 April 2027 offers multi-terrain 5 km and 10 km routes through Wormsley Estate plus a Run in Colour for children aged 4 to 11. Fees vary by age and affiliation.

A multi-distance canal and riverside ultraseries based at Streatley-on-Thames, featuring TR250, TR150 and TR100 with GPS tracking, checkpoint support and required navigation using provided GPX files and maps.

A family-oriented inflatable obstacle course and fun run in St Albans on 24 April 2027, with 2.5k, 5k, 10k and 15k options, music zones, on-course water and finisher medals. Group, family and charity discounts are offered.

Timed laps at Tilgate Park on 24 April 2027 offering distances from 5 km to ultra with medal and no medal entry options.

A blindfolded navigation challenge in Winchester where participants are dropped at unknown locations and must find their way back on foot. Options include 6 miles for visitors and 10 or 15 miles; no maps or GPS and a sealed emergency bag is..

A multi-distance trail running event at St Giles House in April 2027 with marathon, shorter races, junior options, virtual entries, camping and charity fundraising.

An alternative to the London Marathon at Walton on Thames featuring a UKA certified 3.28 mile lap. Options include full and half marathon or a seven hour timed event, with a 150 mm finish medal for participants.

Multi-distance road event at Suffolk Running Centre offering 5k, 10k, half and full marathon routes, with aid stations every 10 km and a seven-hour marathon cut off.