Trail half marathons

Off-road races of roughly half marathon length. Far enough to need pacing, short enough to run through.

268

races

Distance

268 races

Sort

October 2026

17 races

Oct

2026

Gatliff Marathon

Edenbridge Cricket Club, Kent · COPSE

The forty-second Gatliff: 50km or 25km on footpaths and tracks through the Kent, Surrey and Sussex Weald from Edenbridge, a new route every year, ten hours, five checkpoints and a GPX to download beforehand.

25 & 50 km

Navigation required

Entries open

£21–£25

Oct

2026

Ultra Tour of the Yorkshire Dales

Devonshire Institute, 48 Main Street, Grassington, North Yorkshire · Due North Events

Grassington to Malham Tarn, Arncliffe and Wharfedale, with route choice between checkpoints.

25 & 50 km

Navigation required

VERY HARD TO EXPERT

Entries open

Oct

2026

Yorkshire Weekend Saunter in Brighouse

Brookfoot Footbridge, Brookfoot, Brighouse · It's Grim Up North Running

Five, ten or a half along the Calder & Hebble towpath from Brookfoot on a Saturday morning, at your own pace, with places on the day.

5, 10 & 21.1 km

Entries open

£18–£34

Oct

2026

Carsington Water

Carsington Water, Ashbourne, Derbyshire · RunThrough Trails

Half marathon and 10k on the reservoir trail at Carsington Water, Derbyshire

10 & 21.1 km

Not open yet

£30–£34

Oct

2026

The Maverick Jurassic Coast Trail

Corfe Castle, Dorset · Maverick Race

The Isle of Purbeck from Burnbake, three distances.

6, 12 & 24 kmup to 348 m climb

HARD

Entries open

Oct

2026

Chatelherault Country Park Trail Run

Chatelherault Country Park, Carlisle Rd, Ferniegair, Hamilton · Up and Running Events

6k, 10k, 16k or 20k in Chatelherault Country Park, Hamilton

6, 10, 16 & 20 km

Not open yet

Oct

2026

Signpost Challenge Hike

Marple Senior Citizens Hall, Memorial Park, Marple · LDWA South Manchester

A hilly twenty-four or seventeen miles from Marple over Werneth Low and Cown Edge, the long route going on over Lantern Pike and back by New Mills and the Goyt Valley. Breakfast before, hot meal after.

17 & 24 miles

Navigation required

Entries open

Oct

2026

Knaresborough Soft Shoe Shuffle

Start of the Beryl Burton Cycleway, Knaresborough · It's Grim Up North Running

A 6.5-mile trail lap from the centre of Knaresborough, up through the parkland and along the old railway towards Harrogate, run once for the ten-k-ish and five times for the ultra. Road shoes advised.

10K (ish), 20.9 km, 20 Mile (ish), 41.8 km & 52.3 km

Entries open

£29–£56

Oct

2026

Four Reservoirs 53KM Ultra Run and 25KM Trail Run

Shotley Bridge, County Durham · Wild Deer Events

Past four reservoirs out of Shotley Bridge, twenty-five kilometres or fifty-two.

25 & 53 kmup to 555 m climb

HARD TO VERY HARD

Not open yet

Oct

2026

Nidderdale Way

Pateley Bridge, North Yorkshire · Punk Panther

The full Nidderdale Way at fifty-six miles, or a bite of it. Punk Panther's longest.

13, 20, 32 & 55 milesup to 2,272 m climb

Navigation required

HARD TO EXPERT

Entries open

Oct

2026

CTS North York Moors

Ravenscar, North Yorkshire · Endurancelife

Moorland and cliff from Ravenscar.

10, 24.1, 42.6 & 55.2 kmup to 1,241 m climb

HARD TO VERY HARD

Entries open

Oct

2026

Essex Walker

Blackmore Village Hall, Essex · LDWA Essex & Herts

A new figure-of-eight from Blackmore village hall: a fifteen-mile loop by Mill Green and Highwood, then eleven more by Wyatts Green and Fryerning for the twenty-six, or a three-mile loop for the eighteen.

18 & 26 miles

Navigation required

Entries open

£15–£22

Oct

2026

Hubble Bubble

Leeds & Liverpool Canal, Wyther Lane, Kirkstall, Leeds · It's Grim Up North Running

The Halloween one at Kirkstall: 10k to ultra along the flat Leeds & Liverpool towpath, fancy dress encouraged, spot prizes for the best of it.

10 km, 10 miles, 21.1 km, 20 miles, 42.2 km & 52.2 km

Entries open

£5–£56

Oct

2026

The Maverick Dark Hampshire Gravel

Farnham, Hampshire · Maverick Race

5km laps of Alice Holt Forest after dark.

5, 10 & 15 kmup to 131 m climb

Runs through the night

MODERATE

Entries open

Oct

2026

Dalmeny Halloween Trail Half

Longcraigs Scout Hall, Longcraig Road, South Queensferry · Blast Running

Halloween trail half through Dalmeny Estate and Cammo, South Queensferry

21.1 km

Not open yet

£28

Oct

2026

Helvellyn Trails

Glenridding, Cumbria · Lakeland Trails

Glenridding and the shores of Ullswater under Helvellyn, at the end of October.

5K Sport Trail, 10K Trail Run, 15K Trail Challenge & 15K Trail Raceup to 302 m climb

HARD

Entries open

Oct

2026

Dark Skies Run @ Wooler

Wooler Hostel, 30 Cheviot Street, Wooler · Trail Outlaws

Night half marathon and 10K over the hillforts above Wooler

10 & 21.1 kmup to 862 m climb

Runs through the night

HARD TO VERY HARD

Not open yet

November 2026

35 races

Nov

2026

Witterings Beach Run

West Wittering Beach, Pound Rd, West Wittering, Chichester · UK Running Events

Flat beach run on the sands of West Wittering, 15k, 10k or 5k

5k Short Route, 10k Medium Route & 15.3k Long Routeup to 25 m climb

EASY TO MODERATE

Not open yet

£34.5–£44.5

Nov

2026

Anglesey Trail Half Marathon & 10K

Newborough Forest, Anglesey · Always Aim High Events

Ten kilometres or a half marathon through Newborough Forest and the dunes on Anglesey.

10 & 21.1 kmup to 96 m climb

MODERATE TO HARD

Entries open

Nov

2026

Excalibur Winter Trail Races

Coed Moel Famau Car Park · Excalibur Trail Races

Winter 17km and 10km hill races over Moel Famau

10 & 17 kmup to 843 m climb

Not open yet

£35–£40

Nov

2026

Beacons Ultra

Henderson Hall, Talybont-on-Usk · Andali Events

November Brecon Beacons races from Talybont-on-Usk: 50 miles, marathon, half

Beacons Half Marathon (13.1 miles), Beacons Marathon (26.3 miles) & Beacons Ultra (50 miles)up to 2,258 m climb

Not open yet

£35–£80

Nov

2026

CTS Gower

Oxwich Bay, Swansea · Endurancelife

Oxwich Bay, and the Gower coast the hard way.

10, 23, 44.1 & 55 kmup to 1,026 m climb

HARD TO VERY HARD

Entries open

Nov

2026

Goathland Trail Races

Goathland, North Yorkshire · Hardmoors

Moor tops and steam trains out of Goathland.

Trail 10K, 25.8 km & 43.5 kmup to 977 m climb

Navigation required

HARD TO VERY HARD

Not open yet

Nov

2026

Swinsty & Fewston Lakeside Dash

Swinsty & Fewston Reservoir car park, North Lane, near Otley · It's Grim Up North Running

The 6.7-mile loop of Swinsty and Fewston reservoirs on well-kept trail, run once, twice, three or four times for the half, the twenty and the marathon. Everything starts at nine.

6.7 miles, 21.1 km, 20 miles & 42.2 km

Entries open

£29–£43

Nov

2026