Trail Running calendar near Chalfont Saint Peter 2026-2027

Riverside races at Temple Island Meadows in September 2026 featuring a half marathon, 10K and junior event. Mixed undulating courses, chip timing, a themed medal, race photos and post race goodies.

The South Coast Ultra Challenge runs along the South Downs Way from Eastbourne to Arundel on 5 and 6 September 2026. Routes from 25 km to 100 km include regular rest stops, GPS tracking, medical cover and camping options.

Run among 2,500 trees at Westonbirt Arboretum with options from 1 mile to 10 km, on firm, road like underfoot through curated tree species sections. Tickets are currently sold out but the event offers family friendly activities on site.

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.

Join Carnival Chase at Warminster Town Park on 6 Sep 2026 for friendly 10K, 3K and family 1.2K wheelchair and buggy runs around the boating lake and scenic lanes. Medals for all finishers and refreshments. Enter by 1 Sep.

Join a guided 10 km trail loop from Silent Pool through Netley Heath and Shere along the North Downs Way, mixing wide trails and single track. Social sunset and headtorch night sessions, not a race, for steady runners around 10 min per mile..

Enjoy scenic reservoir trail running at Bewl Water near Lamberhurst, Kent, with lake views, undulating woodland and quiet lanes. Choose from 10K, half, marathon or 50K ultra on a Runners World top 10 UK marathon course.

Take on the Thames Path Ultra Challenge on 12 and 13 September 2026 along the scenic towpath from Putney to Henley. With distances from 10 km to 100 km, full support and a festival vibe, it suits runners and walkers alike.

Take on three scenic fell races on the Isle of Wight on 12 and 13 September 2026, with finishes on Ventnor school playing fields. Part of the island championship and SEAA series, this event serves up coastal views, steep climbs and a real f..

Set in the Surrey Hills on 12 September 2026, the Shere multi terrain event offers scenic trail routes from 10k to 42k with chip timing, marshals and a lively event village. Expect stunning views, coffee, medals and friendly support.

Ventnor Horseshoe on Sat 12 Sep 2026 offers a scenic but testing 12 km fell course around Ventnor with 443 m of climb. Part of the Isle of Wight Fell Series, it is perfect for runners seeking a tough coastal hill challenge.

Start the IOW Fell Running Series with St Boniface Fell in Ventnor on Sat 12 Sep 2026, a punchy 3.9 km race with 235 m of climbing across scenic Isle of Wight terrain. Pre entry or on the day entries welcome.

A marathon in Farnham, Surrey on 13 September 2026 with listed spectacular views. Entry is £45, places are limited to 1000 and entries close on 8 September 2026.

Choose a scenic 15k or 30k through the High Weald AONB, linking Norman churches, orchards and coastal views. The Rye High Street start features a Town Crier and the finish brings a bespoke medal, free photos and warm local hospitality.

Join the Alf Shrubb Memorial in Slinfold for scenic 5k and 10k trail races and fun kids events, all supporting local village causes. Chip timing, finisher medals, refreshments and a warm welcome at Slinfold Cricket Club make this a great co..

Scenic half marathon through historic Richmond Park on Sunday 13 September 2026, starting and finishing at Sheen Gate. Tackle rolling trails past White Lodge and along the Tamsin Trail in this beautiful 13.1 mile challenge.

Tackle the Wroxall Round on 13 September 2026, a scenic 21.1 km fell run around Ventnor with about 487 m of ascent. Open to adults, with on the day entries and team places, this is race 3 of the Isle of Wight Fell Running Series.

Run riverside trails and village lanes at Roman River Trails, a self navigated half and full marathon near Colchester. Expect scenic river crossings, varied terrain, stocked aid stations and a cupless format so bring a cup.

The Sandridge 10k will take place in Sandridge on Sunday 13 September 2026. You can run 10 kilometers.

TrailFest at Holdenby House on 13 September 2026 offers four traffic free trail distances from 10K to 50 km on estate tracks and woodland, with varied terrain and open views across Northamptonshire.