Trail Running calendar near Eynesbury 2025-2026

Join the Griffin Challenge at Braybrooke Taproom on 3 June 2026, a six hour looped event on the Griffin Trail where runners, walkers and hikers do as many laps as they like. Celebrate after with coffee, pastries and a cold beer.

Event overview The event takes place on Friday, 05 June 2026 as a 7 hour timed challenge. Participants may run any distance they choose within the time limit. The minimum distance to be an official finisher is 3 km. The normal lap length is..

The Sundowner Marathon is a unique running event held in Purleigh, Chelmsford, England, featuring a scenic course that passes along canals, over waterfalls, through vineyards, woodlands, and coastal saltmarshes. This marathon offers a disti..

The National Forest Way Ultra will take place in Burton upon Trent on Saturday 6 June 2026.

Valley of the Owls Run on 7 June 2026 at Suffolk Running Centre brings 5k, 10k, half, marathon and ultra on scenic countryside trails. Small field capped at 300, bespoke finisher medal and cupless event so bring your own bottle.

Join Chase The Sun at Clapham Common on 10 June 2026 for an evening 5K or 10K on a flat, scenic park course past the bandstand. Expect chip timing, free photos and a unique themed medal to celebrate your finish.

Nene Valley Trail Run on 13 June 2026 invites runners to explore rolling Northamptonshire countryside from Castle Farm Campsite. Choose 10 or 20 miles of fully marked trails through bluebell woods, riverside paths and quiet villages.

Tackle scenic but hilly forest trails at the Wendover Woods Half Marathon and 10k on 14 June 2026, with a friendly junior run and on the day entries if available. Spectators can enjoy a cafe, forest walks and family activities.

Take in sweeping views from Watership Down on scenic trails with marathon, half and 10K options. Enjoy chip timing, a finisher medal, goody bag and a keepsake beer glass while supporting Hampshire and Isle of Wight Air Ambulance.

Run through Hertfordshire countryside from 3 Brewers Brewery with 10 km and 5 km options over mostly off road trails, woodland and farm tracks. Finish with a medal, chip timing, a pint and live jazz for a festive post race vibe.

Beyond London on 20 June 2026 offers 55 km and 25 km trail races along the Capital Ring through London parks. Expect scenic miles past Eltham Palace, Wimbledon Common and Richmond Park with aid stations and a Richmond finish.

Tackle the Three Shires Way on 20 June 2026 with 50 mile ultra or marathon options through rolling countryside and ancient woodlands across Buckinghamshire, Bedfordshire and Northamptonshire. Finish with a scenic loop around Grafham Water.

Centaur 100 Mile Ultra at Denbies Wine Estate invites runners from half marathon to 100 miles on a single off road 1 mile vineyard loop. Chip timing, stocked aid and a 30 hour limit for 100 miles make it a scenic buckle or medal chase.

Run a marathon or half at scenic Denbies Wine Estate, tackling a compact looped trail through vineyards with flexible start times and full chip timing. Enjoy a relaxed vibe and a Phoenix Running Community medal.

Take on the Dunstable Downs Half Marathon, a scenic 21.2 km trail with steep climbs and panoramic countryside views. Limited to 300 runners, this rugged UTMB World Series qualifier promises a memorable off road challenge.

The Midsummer Munro will take place in Walton on the Hill on Sunday 21 June 2026. You can run 13 miles.

Run Sandringham on 21 June 2026 and enjoy scenic 5K and 10K routes through the royal estate, blending trails and quiet roads. Expect chip timing, a bespoke medal, finish goodies and marshals for a polished race day.

Run the Martian Race at Horsell Common on 21 June 2026 and follow routes through the sandpits immortalised in H.G. Wells The War of the Worlds. Volunteer organised and charity focused, with distances for all ages.

The Colworth Marathon Challenge is a unique running event held at the scenic Colworth Estate in North Bedfordshire, UK. It features three races over three days, combining distances of 5 miles, 8.1 miles, and a half marathon of 13.1 miles, t..

Take on farm trail laps at Hyde Hall Farm with distances from 5k to ultra, including a Heavy Half option. On site parking and a bespoke finisher medal make for a friendly, flexible event.