Trail Running calendar near Dunstable Downs 2025-2026

We have found 332 Trailruns within 80 miles of Dunstable Downs. See below where and when you can find the races.

Experience a guided 18 mile trail run across the scenic Malvern Hills, with dramatic ridge views and about 1300 m of ascent. Enjoy a friendly group run led by an expert guide rather than a race.

The Chiltern Ridge Classic 50K is a scenic Ridgeway ultra through the Chiltern Hills, taking in iconic climbs, beech woodlands and wide views. Limited to 400 runners with a 9 hour cut off, it runs from Berkhamsted Castle to Wendover.

UTMB Index

Windsor 50 Ultra Challenge The Windsor 50 Ultra Challenge takes place on Saturday 18 April 2026 from a basecamp at Windsor Racecourse. Routes use the Great Park, Runnymede and the Thames Path and return to the racecourse. The 50 km course i..

Run the Thames Ring Series, a multi day trail loop based in Streatley on Thames that follows the river and canal towpaths on mostly flat, scenic terrain. Pick 100, 150 or 250 mile routes from 22 to 26 April 2026 for a true endurance fix.

Event overview A Coventry Way Challenge is scheduled for Sunday 26 April 2026. The event follows a countryside route of 40 miles that starts and finishes at the Heart of England Social Club in Meriden. The route can be completed as a walk o..

The Other Run, organized by Zig Zag Running, takes place at the Suffolk Running Centre in Bury St Edmunds, coinciding with the London Marathon day. It offers multiple distance options: 5k, 10k, half marathon, and full marathon. The marathon..

The Trident Grantham Triathlon will take place in Grantham on Sunday 26 April 2026.

The Drop - Winchester is a unique and challenging race held in Winchester, UK, offering participants a choice between 10-mile and 15-mile distances, either solo or in teams. Inspired by military-style navigation, the event requires runners..

The Ale Trail 15 mile run is a pub-led trail race in Alfriston, East Sussex, starting from the Ye Olde Smugglers Inne beer garden. The 15-mile course has a 4hr30min cut-off and pub checkpoints at The Hampden Arms and The Ram Inn, where runn..

May 2026

Saturn’s Midweek Chasing Numbers 7-Hour Time Challenge is held at Wraysbury Skiff & Punting Club on the River Thames. The event is designed to be affordable and flexible, inviting all abilities to run or walk within a 7-hour window. Partici..

Event overview The Greensand Way Ultra Run is a guided, group trail run taking place on Saturday 2 May 2026 in Guildford, Surrey. The route covers 30 miles and the advertised cost is £45 per person. The event is presented as suitable for fi..

Take on the iconic Thames Path 100, a 100 mile point to point trail from Richmond to Oxford offering riverside scenery and varied terrain. With a 30 hour cutoff and support stops along the way this classic ultra blends challenge and charm.

UTMB Index

Rapid Relays is a dynamic running event held at the scenic Culden Faw Estate in Fawley, near Henley on Thames, Oxfordshire. The race features a woodland trail course on estate tracks with gently undulating terrain, including a notable climb..

Event overview This is a guided trail run around Box Hill, Dorking, Surrey. The route covers approximately 12.5 miles with around 1000 m of elevation gain. Scheduled dates include Saturday 29 November 2025, Saturday 3 May 2026 and Saturday..

Tackle scenic South Downs trails at the Three Forts Challenge with full marathon, half marathon and five mile options calling at Chanctonbury Ring and Cissbury Ring. All profits support Ferring Country Centre and local charities.

Discover the Cotswolds on foot at Tempo Trail Races 2026, a scenic weekend of trail racing on 3 May with distances from 10K to 100 km, and a new 50K option. Friendly atmosphere, challenging routes and stunning countryside await.

BigWayRound - Winchester is an award-winning, Gold-rated trail running event held at Winchester Rugby Club. The event offers four distances: 14 miles, 19 miles, a marathon, and a 50K ultramarathon, catering to both new and experienced trail..

Enjoy spring trails at Harewood Forest in Hampshire with Muddy Runners, choosing from 5 km or 10 km routes across undulating woodland tracks. A friendly, scenic race perfect for trail newcomers and regulars alike.

Bat Challenge is a 6-hour day/night trail running event at Beacon Hill Country Park, Leicestershire, England. It features a 3.3-mile off-road loop that participants can repeat to reach 5k, 10k, or over 50k within the time limit. The course..

The Collingbourne Races, held at Crawlboys Farm in Ludgershall, offer a scenic off-road running experience through the beautiful Collingbourne woods. Featuring a half marathon and a 10km race, the course includes bridle paths, woodland trac..