Trail Running calendar near Harwich 2025-2026

We have found 146 Trailruns within 80 miles of Harwich. See below where and when you can find the races.

Run the Norfolk Festival of Running at Bawsey Country Park on 12 July 2026 with trail distances from 5k to ultra, including marathon and half. A small field tackles laps on sand, gravel and grass with aid stations each lap. Bring your own b..

Tackle varied off road terrain at Ultra:5K on 12 July 2026 near Bedford, choosing 15 km, 25 km or 50 km by running 5K laps on the hour every hour. All finishers get a bespoke medal and can enjoy sports massage and snacks between laps.

Take on Shotley 24, a 24 hour camping and trail running weekend on a scenic 4.3 mile coastal loop around Shotley peninsula. Solo runners and teams can enjoy mixed terrain, overnight camping at HQ, yoga sessions and post race treats.

Join the ATW St Albans Summer 10K on 19 July for a chip timed, single lap route along the flat, tree lined Alban Way. Family fun run, kids zone, live music and food in the event village create a festival finish.

Take on Day 1 of the Great Barrow Challenge on the flat to undulating Denham Flats trails, with distances from 5k to ultra to suit every runner. Parking is included, the event is cupless so bring your own bottle, and finishers get a bespoke..

August 2026

Tackle a full or half marathon along the scenic Vanguard Way, weaving through woodlands, parkland and Greensand Ridge views near Croydon. Finishers receive a medal, mug, buff and post race treats for a memorable day.

Tackle ATW Odyssey12 at Riverside Park, St Neots, a multi terrain lap event where solo runners, pairs or teams rack up 5.3 km laps against the clock. Enjoy festival vibes with live music, food, kids activities and an Odyssey medal for finis..

Run the scenic Stour Valley Path in either a 100 km or 50 km trail race from Newmarket to Manningtree on 8 August 2026. Mostly off road through Suffolk and Essex countryside, the event awards UTMB points and finisher medals.

UTMB Index

Enjoy an undulating 10k through peaceful country lanes and rolling Kent countryside at Mount Ephraim Gardens on 9 August 2026. Support Oasis Domestic Abuse Services while grabbing a bespoke medal, free photos and entry into the gardens.

Thames Meander follows the scenic Thames Path for 10K, half marathon or marathon out and back routes between Barnes and Petersham. Expect towpath and trail underfoot, friendly marshals, checkpoints with fuel and professional medical cover.

Join the Black Bull 15 charity trail event on 16 August 2026 with a competitive 15 mile trail run or a timed 15 km hike. Enjoy rolling trails, possible wildlife sightings and a finisher's medal plus a free drink and race tee.

Take on the Muntjac 15, a 15 mile trail around Danbury Essex with 1600 ft of climbing across scenic woodland and technical singletrack. Enjoy a well stocked checkpoint, a quality memento and bespoke local trophies.

September 2026

Run Ickworth Park's woodland and meadows at sunset with 5 km and 10 km trail options, chip timing and finisher medals. Carry a torch, wear grippy shoes and enjoy a cupless, scenic evening race on the National Trust estate.

Take on a 50 km ultramarathon along the Boudicca Way from Diss to Trowse in Norwich, enjoying scenic Norfolk trails and checkpoints. Limited to 250 entries, with race support, a unique medal and a donation to Norfolk Trails.

Scenic reservoir views and rolling wooded trails await at Bewl Water Autumn near Lamberhurst, Kent. Choose 10 km, half marathon, marathon or 50 km ultra on well marked routes loved by runners and rated among the UK's top courses.

Take on the Thames Path Ultra Challenge, a supported multi distance festival along the scenic Thames towpath from Putney to Henley with options from 10K to the full 100 km. Choose one or two day routes and enjoy riverside views, rest stops..

UTMB Index

Run the Suffolk Coastal Path 50K on 12 September 2026, a point to point ultra from Lowestoft to Aldeburgh that winds along scenic coastal trails, heath and marsh. With modest climbs, four aid stations and UTMB World Series index status, it..

UTMB Index

Choose 30k or 15k at Rye Ancient Trails and run through the High Weald AONB with woodland, orchards, lanes and coastal views. This hilly scenic challenge supports The Oliver Curd Trust and finishes with local hospitality.

Enjoy a scenic single lap half marathon through Richmond Park on 13 September 2026, starting and finishing at Sheen Gate. Run 13.1 miles on park paths and the Tamsin Trail with leafy views and on course feed stations.

Run riverside trails and village lanes at Roman River Trails, a self navigated half and full marathon near Colchester. Expect scenic river crossings, varied terrain, stocked aid stations and a cupless format so bring a cup.