Trail Running calendar near Buckingham 2026-2027

A 5k obstacle course at The Rutland Showground on 20 June 2026 where participants climb, crawl and slide across grassy terrain. Entry supports Cancer Research UK with a minimum fundraising target and a finishers medal.

A Pretty Muddy 5k obstacle course at Holme Pierrepont on Saturday 20 June 2026 where participants climb, crawl and slide through mixed terrain. The event uses staggered wave starts, has a £50 minimum fundraising target and on-site facilitie..

A 5 km obstacle event on The Downs in Bristol on 20 June 2026 where participants aged 13 and over climb, crawl and slide across a mainly grassy course. Waves run every 15 minutes, a fundraising target of £50 applies and finishers receive a..

A 24 hour running event near Caldecotte Lake around Midsummer, open to individuals and teams of 2 to 6. Runners complete 6.55 mile laps with camping, teepee hire, free snacks and showers on site.

A trail half marathon across the National Trust's Dunstable Downs covering 21.2 km with about 450 m of ascent. The marked route features two aid stations, a four hour time limit, and a limit of 250 runners on 21 June 2026.

Volunteer organised trail races on Horsell Common with family friendly distances from a 2 km kids race to a 21 km option. Proceeds support local charities and the event emphasises minimal environmental impact.

A 10 km trail run at Twisted Tree Brewery on the Tusmore Estate near Bicester. Mostly off-road with a canicross option, chip timing, medal, pint cup and a free drink included.

Circular cross country routes of 26 miles and 18 miles around Baldock across undulating fields and woodland, with checkpoints, refreshments and a certificate for finishers.

Trail races in Trent Country Park, Enfield offering 2 km, 4.5 km and 10 km distances. The senior race is chip timed and run under UKA rules while junior and fun races have additional marshals.

A lap-based timed event at Ardingly Reservoir offering distances from 5 km up to ultra with a seven hour limit and flexible start times. Chip timing, an aid station and an optional no-medal entry are available.

A single lap fully off road 10K trail through Panshanger Park on 21 June 2026, passing a 500 year old oak, the Queen’s Wood and the Mimram River. The event includes chip timing, a sustainable finisher’s medal and a Family Fun Run.

An evening trail race in The Valley, Evesham on 24 June 2026 featuring a two-lap **9km** country park route, canicross permitted, limited places, listed entry fees, and no refunds or transfers for the series.

A trail event on 24 June 2026 around the Malvern Hills offering 10 km and 5 km routes on mixed off road and tarmac terrain, with finisher medals, prizes, a 2 hour cut-off and on-site parking and refreshments.

Run the Seasons at Cowdray on 26 June 2026 offers 3km and 5km races plus a 10km with dog friendly CaniRun options. The event includes stacking medals, course maps, free photos and an on site BBQ and bar.

Complete three races over three days to achieve a full marathon distance at the Colworth Estate. This multi terrain event in North Bedfordshire offers distances of 5 miles, 8.1 miles, and a half marathon.

A seasonal trail running series at Cowdray Estate featuring 5km, 10km and 10 mile races across spring, summer, autumn and a winter night run, with a dedicated kids series and a summer event that includes a BBQ and bar.

A 24 hour obstacle course event at Belvoir Castle featuring repeated 5 mile loops, named obstacles like an ice dunk and a greased quarterpipe, plus individual, team relay, pit crew, and brunch options.

A trail event at Hyde Hall Farm on 27 June 2026 with distances from 5k to ultra. Onsite parking, a lap aid station, baggage provision and event medals are included.

Trail half marathon and 10k at Carsington Water on 27 June 2026, run on marked reservoir loops with chip timing, marshals, an event village, post-race goodies and a bespoke medal.

Trail running at Cranleigh Showground on 27 June 2026 with five marked routes through Winterfold, Hurtwood Forest, Leith Hill and the North Downs Way; distances range from 5 km to 52 km and routes have varying outpost support.