Trail Running calendar near Grafham Water 2026-2027
We have found 496 Trailruns within 80 miles of Grafham Water. See below where and when you can find the races.
0 – 100∞ km
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Trail runs at Elvaston Castle Country Park offering 10.4k, 14.5k and 21.1k distances. Routes pass through woodland, parkland and riverside trails along the River Derwent with marked courses, marshals, water stations and chip timing.
An inflatable obstacle-course event in St Albans on 24 April 2027 offering 2.5k to 15k options, giant inflatables, five music zones, on-course hydration and a finisher's medal.
A multi-distance road event at Suffolk Running Centre on 25 April 2027 offering 5k, 10k, half and full marathon on officially measured scenic routes with aid stations, parking and a bespoke finisher medal.
A multi-terrain marathon and half marathon on the traffic-free Tissington Trail in Derbyshire, using a former railway line between Ashbourne and Buxton. Includes route maps, a bespoke medal, free photos and prizes for leading runners.
Bat Challenge is an in person event by Big Bear Events at Beacon hill Country Park on 30 April 2027. Entry is listed at GBP 40 and the event is shown as available from 3 July 2026.
May 2027
A 100 mile trail race along the Thames Path from Richmond to Oxford on 1 May 2027, with 1900 ft of climb, a 30 hour cut off and a minimum of twelve aid stations. Entries require a qualifying 50 mile finish within 15 hours.
A 33 mile trail race following much of the Chesterfield Round Walk through moorland, woodland, reservoirs and farmland. Route notes and GPX files are provided and checkpoints offer water with food at selected points.
A guided 30 mile trail run near Guildford on 1 May 2027 that follows sections of the North Downs Way and the Greensand Way. It is presented as a first taste of ultra running with on route guidance and a possible post run alcohol free beer.
A one-day trail event in Ilmington offering six distances from 10K to 100KM plus a new two person 100KM relay, with feed stations, baggage support, GPX maps and trackers on the longer routes.
A four leg stage trail relay along the Roach Valley Way covering 23 miles in total. Teams of four navigate by maps and way markers while proceeds support Havens Hospices.
A guided 12.5 mile trail run around Box Hill that gains about 1000 metres of elevation across woodland, heathland and open fields. Group pace with technical climbs and scrambling and a chance of an alcohol free beer at the finish.
A 5 km Pretty Muddy obstacle course at Norfolk Showground with a mix of paths and grass, staggered wave starts every 15 minutes and an age limit of 13 and over. The event supports fundraising for Cancer Research UK.
A two-day, self-supported navigation and endurance event for teams of two in the Surrey Hills, based at Newlands Corner with limited entries, basic camping and an entry fee that includes maps and a t-shirt.
Test your agility at Nuclear Rush with over 70 obstacles including the 20 foot Deathslide and lake zip lines. Choose between 6km and 12km courses set in the muddy terrain of the Secret Nuclear Bunker Estate in Essex.
An inflatable obstacle-course fun run in Guildford on 8 May 2027 with 2.5k to 15k lap options, music zones, medals and family and group ticket discounts.
A weekend trail running festival at Deene Park Estate near Corby on 8 and 9 May 2027. It features three challenges from 10 km to 56.1 km, medals for finishers and a combined Quest option.