Trail running races & ultra marathons
Welcome to the trails.
Runaway Racing has been organising trail running events since 2017, including four annual ultra marathons such as the popular Chiltern Ridge 50K.
We focus on creating friendly and exciting races on challenging trail routes around the UK.

Our Trail Running Races
Ranging from 10K to 50K ultra marathons, all our races take place on the trails in the beautiful English countryside.
Chiltern Hills Invitational
An end of season invite-only 10K trail running race in Great Missenden.
Tewinbury 10K
A trail 10K at the delightful Tewinbury Farm & Hotel just north of Welwyn in Hertfordshire.
Hughenden Trail 10K
Our popular 10K route around the National Trust's Hughenden Manor estate near High Wycombe.
Chiltern Ridge Ultra 50K
An iconic ultra in the Chilterns, traversing the stunning ridgeline trails between Ivinghoe Beacon and Whiteleaf Hill.
Greensand Country 50K
A stunning single loop 50K ultra marathon around the Greensand Country trails in Bedfordshire.
Chiltern Ridge Half Marathon
An epic half marathon along The Ridgeway National Trail in Buckinghamshire.
Dunstable Downs Half Marathon
A trail half marathon with stunning views at National Trust's Dunstable Downs estate.
Suffolk Coastal Path 50K
Run the stunning Suffolk Coastal Path from Lowestoft to Aldeburgh.
North Chilterns 50K
Come and discover the magical North Chiltern trails in stunning autumnal conditions.
Chiltern Hills 100K
A 100K ultra marathon along the best and most loved trails within the Chiltern Hills.
Superb information before we got there. The people at the aid stations were incredible well done to all involved. Brilliant event 👍
Nick
Suffolk Coastal Path 50K, 2023
Loved this race! Amazingly organised and the course is beautiful! My first half marathon race and I could not recommend it enough!"
Hannah
Chiltern Ridge Half, 2023
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