Trail Running calendar near Chelmsford 2025-2026

We have found 308 Trailruns within 80 miles of Chelmsford. See below where and when you can find the races.

The Goring Gap Trails event, held in Mapledurham near Reading, offers a variety of running and walking challenges, including a 50-mile ultra, a 52K ultra, and a half marathon, alongside walking options of half marathon, full marathon, and a..

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Join the inaugural Holy Trail Festival of Running on 9 May 2026 in Lowestoft for scenic, challenging trails from the marathon up to 50 mile, with just 400 spots. Enjoy well supported checkpoints, finish refreshments and a lively festival vi..

The Chiltern Hills 100K is a scenic, challenging ultra around the Ridgeway, visiting Ivinghoe Beacon and Ashridge. Limited to 250 runners and UTMB World Series index race, this May event has rugged trails, great support and a Chesham finish..

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Halstead & Essex Marathon offers an annual road race on scenic low traffic roads through rolling hills, woods and farmland. Run by Halstead Road Runners as they mark their 40th year, it blends competitive spirit with a friendly club vibe.

The Zig Zag Marathon and Half Marathon take place at the Suffolk Running Centre in Bury St Edmunds, UK. The marathon follows the officially measured, scenic Kirtling Route, which is fully on road and mildly undulating, while the half marath..

Take on the Greenway Challenge in Letchworth Garden City: a self guided 13 mile clockwise run starting and finishing at Standalone Farm. Enjoy marshalled crossings, a wooden medal, and cake at the finish while supporting Headway Herts.

Shires and Spires is a friendly multi distance loop from Naseby Village Hall offering races from 10 km to a 35 mile ultra across scenic trails and country roads. Routes alternate each year and GPS files plus live tracking guide runners.

Take on the Midhurst Milers Cocking 10k Trail, a scenic but challenging 10k across the South Downs with a steady climb and a fast downhill finish. Licensed and chip timed with medals, prizes and a lively race village.

Join the Oliver Fisher 10k, 5k and junior run at Milton Creek Country Park for a scenic off road race supporting the Oliver Fisher Special Care Baby Trust. Enjoy park views, medals and fundraising for the neonatal unit.

Race through the rolling vineyards at Rathfinny Wine Estate on scenic, undulating off road trails with 10.7 km single loop or 21.4 km two laps. Enjoy aid stations, eco friendly practices and a relaxed Tasting Room finish.

Run the scenic 50 mile point to point North Downs Way from Farnham to Knockholt Pound on 16 May 2026. About 5,600 ft of climb, iconic climbs like Box Hill and fully stocked aid stations make for a rewarding supported endurance challenge.

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Five Rivers Ultra is a point to point coastal trail along the Suffolk and Essex coast on 16 to 17 May 2026 with 100 miles, 50 miles and 50 km options. Enjoy sweeping estuary views, GPX navigation and hearty checkpoint support.

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Run the Compton Downland Challenge on 16 May in Berkshire with two scenic multi terrain routes across the Downs and Ridgeway. Pick the marathon or 16 mile route, expect muddy trails and finish in the village with a hand thrown mug.

The Reigate Priory Park 10K is a scenic charity fun run held in Priory Park, Reigate, Surrey. The course features a 250-meter start plus four laps on an accurately measured, gently undulating cross-country terrain surrounded by lush greener..

London 2 Brighton : event overview The London 2 Brighton Ultra Challenge takes place on 23-24 May 2026. The main continuous route runs from Richmond, West London, to Brighton Racecourse. The event uses trails over the North Downs and South..

Take in dramatic coastal views on the Seven Sisters Half Marathon, a 13.5 mile trail loop from Helen Garden along the South Downs Way past Friston Forest and Beachy Head. Expect rewarding climbs, great scenery and a bespoke finisher medal.

Run 50 km along the South Downs Way from Falmer to Beachy Head across rolling chalk downs, farm tracks and woods. Mostly runnable with 3,600 ft ascent, it finishes dramatically on the white cliffs for stunning coastal views.

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Farmmageddon at Hyde Hall Farm offers multi distance trail running on a scenic 5.3 km loop, from 10k to a 100 mile event run over two days. Enjoy grassy trails, secure parking and finisher medals including a buckle for 100 mile finishers.

The Fox is a scenic trail run in the Surrey countryside on Saturday 23 May 2026, offering 20K, 41K and 62K races for all abilities. All races finish at Burys Field, Godalming, with marked courses and stocked aid stations.

Join a scenic 26.2 mile marathon in Richmond Park over three laps of the Tamsin Trail and park perimeter. A 3 mile kids challenge follows, with on course drink stations and medical support for a safe, memorable morning.