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Trail Running Calendar near Redbourn 2026-2027

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Explore the top trail runs near Redbourn for 2026-2027! We've gathered 208 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

March 2027
A timed multi lap event on 26 September 2026 in Walton on Thames combining a flat 5.3 km out and back riverside course with a cake themed aid station, multiple distance options and a seven hour time limit.
Riverside out and back races on 7 March 2027 from Small Profit Dock Gardens, Barnes offering 10 km, half marathon and marathon along the Thames Path.
A largely flat 10 km multi-terrain run from Windsor & Eton Brewery with chip timing, a medal, a pint cup and a free drink at the finish.
A guided trail half marathon of about 13 miles in the Chiltern Hills with grouped pacing, a midway refreshment point and a finisher’s medal.
Trail races at Harrold-Odell Country Park on 13 March 2027 offering 25 km and 50 km distances with standard entries at £45 and £65.
A lap trail event at Hyde Hall Farm offering 10k, half, full and ultra options on a 5.4 km mostly off road circuit with aid station, parking and finisher medals.
A seven hour Time Challenge along the River Thames in Staines offering multiple distances, themed finisher medals, aid stations and goody bag options.
Women only trail runs at Culden Faw Estate, Henley on Thames, on 14 March 2027 with 3 km, 6.5 km and 13 km options, chip timing and finisher medals.
Multi day running series in Walton on Thames offering Ten in Ten and Twelve in Twelve formats with distances from 5 km to ultra, certified flat riverside laps and finishers medals and shirts.
A 7 hour time challenge along the River Thames with flexible lap distances from 3 km to 50 km, medals, distance pins, aid stations and goody bags.
A 50 km Chiltern Hills trail ultra on 20 March 2027, run as two 25 km loops around Stonor Park with 4000 ft climb, five aid stations and a nine hour cut off.
London Lea Valley Ultra is an ultramarathon organised by Camino Ultra in London (E15 2HB) on 20 March 2027.
A trail race of approximately 17.5 miles around the Ashridge Estate boundary on well marked paths, with water stations, finisher gifts and prizes for top male and female runners.
Camino Gratitude 25KM is a 25 km running event in Broxbourne, UK on 20 March 2027 organised by London-based Camino Ultra.
Trail races through Danesfield woodland near Marlow: 10K, 6.5K and a 1K junior race with on course water and chip timing.
Seven consecutive days of timed running on certified out and back routes along the River Thames in Walton on Thames. Distances from 5 km to ultra are available and finishers earn daily mementos plus a seven day lantern medal set.
Five day running series in Staines beside the River Thames with an 8 hour time challenge each day and flexible distances from 3 km up to 50 km.
April 2027
Experience a unique night run at Hyde Hall Farm with 6 or 12 hour challenge options on a 5.4 km loop through the Hertfordshire countryside.
Time challenge on signed loops beside the River Thames with distances from 3 km to 50 km, medals and pins, goody bags including vegan options, and on-course aid.
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