Chiltern Hills 100K
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Chiltern Hills 100K
The Chiltern Hills 100K is a trail ultra marathon that follows an anticlockwise loop around the Chiltern Hills, covering a distance of 100K with roughly 1,800 m of ascent. The event base is Chesham Guides Headquarters in Lowndes Park, Chesham, Buckinghamshire. The race is limited to 250 runners and entry is open to people aged 20 or older. The overall time limit for the course is 19 hours. The event is a UTMB World Series Index race and is licensed by the Trail Running Association under UKA rules.
The route passes a number of Chiltern landmarks and trails, including Ashridge Estate, sections of The Ridgeway from Ivinghoe Beacon to Aldbury, Tring Park, Coombe Hill, Whiteleaf Hill, Bledlow Ridge, Great Hampden and Great Missenden before returning to Chesham. There are six checkpoints along the route: Hastoe (14km and again at 41.4km), Little Gaddesden (28km), Whiteleaf Hill (57.8km), Bledlow Ridge (75.3km) and Little Hampden (88km). Checkpoints provide water, Coke, an electrolyte drink, gels and chews, sandwiches, flapjacks, fresh fruit and snacks; hot drinks or hot water are available at several locations.
All runners must carry GPS navigation plus a printed map, a phone, minimum 0.5 L refillable hydration, waterproof jacket, spare warm layers, head torch with spare battery, basic first aid items and race nutrition. One on-route drop bag is transported to the 41.4km checkpoint and a separate finish bag is held at the finish. The route is fully marked and GPS tracking with live timing is used. There is no parking at the event base; Chesham station is within walking distance. Visit the organization's website for the most recent information.
