Trail Running calendar near Marlow 2026-2027

A 10 km trail race in Sandridge, St Albans on 13 September 2026, starting and finishing at Sandridge Primary School playing field. Organizers publish route information and FAQs, and the event is supported by Sandridge Parish Council.

TrailFest at Holdenby House offers four traffic free trail distances inside a private estate, with routes on farm tracks, field edges and through a small wood, plus rolling hills and open countryside views.

A community 10 km race and 2 km kids fun run across the undulating rough tracks of Ashtead Common, raising funds for local charities and held with permission of the local land managers.

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 multi-terrain 10 km and canicross event near Wallingford on September 13, 2026, featuring off-road trails, two water refill stations, and a finish at Ridgeway View Campsite with a medal, pint cup and a free drink. Event supports Thames Va..

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.

Teddy Bear Run in Aston Park, Birmingham brings families together for 2.5K or 5K courses, a finisher teddy, and a teddy bears picnic. Participants are invited to fundraise for Birmingham Children’s Hospital with a suggested minimum of £10.

An off-road, timed 5K and 10K in the Essex countryside with a fully marshalled footpath route, village-hall finish, and fundraising support for the local Scout Group and tree-planting.

A 10K within the private grounds of Chevening Estate in Sevenoaks, Kent on 13 September 2026. The scenic route crosses parkland and tree lined avenues and includes timed results and bespoke finisher medals.

The The Harvathon will take place in Offley on Sunday 13 September 2026. You can run 420 texts.unit_min.

A charity trail run from The Zach Willsher Pub in Benfleet offering two undulating routes of about 5.7 miles and 12 miles, with written route instructions and timed entries. Funds raised go to Macmillan and finishers receive a pub voucher.

A one-day community event at Ashtead Peace Memorial Hall offering guided trail runs, workshops and panel conversations to help women build confidence outdoors, with kit trials, food and a raffle.

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 ascent, five aid stations, full medical support and a 13 hour cut off.

A licensed 47 mile non stop trail race along the Cotswold Way from Chipping Campden to Painswick, held under UK Athletics rules with a minimum age of 21.

A multi-distance out and back run on 19 September 2026 at Suffolk Running Centre, featuring 5k to ultra options, regular aid stations, parking included and bespoke finisher medals.

A single-stage, approximately 102-mile nonstop trail race along the Cotswold Way from Chipping Campden to Bath, held on public rights of way with a 32-hour time limit, food stations, medical support and live tracking.

Triple Trail Races 2026 in Kent offers 25km, 50km and 100km trail routes that connect the North Downs Way, Greensand Way and Weald Way, finishing at Loddington Farm with a race village, on-site camping and on-course support.

A scenic trail running event at Hambledon Vineyard offering races from 1 km to 20 km, chip timed with trophies and fundraising for Brain Tumour Research and Hambledon Primary School.

A community trail event on 19 September 2026 in Chiddingfold offering 1 km, 5 km and 10 km races, chip timing and medals for the longer distances. The event includes on site music, a bar and barbecue and supports local charities.