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Trail Running Calendar near Caldecotte Lake 2026-2027

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Explore the top trail runs near Caldecotte Lake for 2026-2027! We've gathered 121 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

November 2026
Trail races in Wendover Woods on hilly, multi terrain forest loops with marathon, half marathon, 10 km and a junior run plus on site amenities and parking.
A 7 hour time challenge in the Northampton Washlands with flexible distances from 3 km to 50 km, medals, distance pins, goody bags and aid stations.
Two days of marathon and half marathon races around Caldecotte Lake in Milton Keynes on 6 and 7 November 2026, with multi-lap clockwise courses, on-course water and toilets, enforced time limits, and bespoke finisher medals.
Experience a scenic trail run through the Bedfordshire countryside starting from Leighton Buzzard. Choose between a classic half marathon or a metric distance featuring canal towpaths, woods, and rolling hills.
A three day, 84 mile (135 km) ultramarathon along the Ridgeway from Buckinghamshire to Wiltshire with two overnight stops in Watlington and Didcot. Organised by XNRG Druids, it offers full packages with accommodation and single day entry options.
A 50 mile race of five 10 mile loops wholly within Wendover Woods, featuring 10,000 feet of climb, nine well stocked aid stations and marked trails. The event is supported by race medics, has a 15 hour cut off and requires marathon qualification.
A multi-terrain 5K and 10K race in the Chiltern Hills on 15 November 2026, organised by the Radnage Primary School PTA, with water stations, first aid, a village hall cafe and proceeds supporting the school.
Country routes from Barton-le-Clay with 12 miles for walkers only plus 18 and 26 mile courses, checkpoints, refreshments and map navigation.
A lap-based timed run at Grafham Water as part of Phoenix Running's Elements Series. Laps are 5.3 km on mainly tarmac paths with distance options from 5 km to ultra and finisher medals for participants.
A six-hour lap event at Salcey Forest where participants choose how many 3.5-mile loops to run. Dogs and rucking are allowed, a reduced parking rate is available, and there are options for charity donations or a tree token instead of a medal.
A 10k night trail at Salcey Forest on a marked two lap crushed stone route that can be slippery in wet weather. A head or chest torch is required, Petzl will provide demo kit, and a canicross option runs ten minutes before the main field.
A fully marked 50km trail from Putteridge Bury across North Chiltern ridgelines and hills, with three aid stations, UTMB index status and an 8h45 time limit.
A half-day 10 km trail run in the Chiltern Hills followed by a private Tring Brewery tour with a tasting and a beer option.
A community charity run in Campbell Park, Milton Keynes offering 1.5k, 5k, 10k and half marathon options with chip timing, medals, refreshments and a fancy dress element to support Movember and men's health.
December 2026
Trail 5K and 10K around the Tewinbury estate in Hertfordshire, fully waymarked with marshals, aid station at 5.3 km and chip timing.
A 21.1 km trail race around Hughenden Manor and nearby woodlands with marked routes, aid stations, chip timing and on-site facilities.
A 10 km trail race around Hughenden Manor in Hughenden Valley, featuring hilly woodland trails, full waymarking and a water stop at 5.3 km.
A 10 mile canicross loop at Grafham Water on 6 December 2026, following reservoir paths, woodland and the dam wall. Dog friendly with required harnesses, aid station water bowls and finishers medals plus a dog charm.
A timed end of season 10 km trail championship at Wendover Woods on 6 December 2026 for runners who qualified through Runaway Racing events, with a marked route and chip timing.
Seasonal trail races through Salcey Forest on 13 December 2026 offer 10k, 5k and a 1.2 km junior run. The event uses mostly flat forest trails, awards bespoke medals and prizes, welcomes seasonal fancy dress and raises funds for Shelter.
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