Trail Running calendar near Niwbwrch 2026-2027

We have found 149 Trailruns within 80 miles of Niwbwrch. See below where and when you can find the races.

Experience a spooky Halloween trail run through Delamere Forest by head torch. Choose between 10km and Half Marathon distances on a reflected course featuring a festive fancy dress theme and glow in the dark medals.

November 2026

Trail races of **half marathon** and **10K** distances through Newborough Forest and Llanddwyn Beach, with coastal views over the Menai Strait; the event is organised by Always Aim High Events and tickets are currently sold out.

A trail running event on 1 November 2026 at Sankey Visitors Centre in St Helens, organised by St Helens Striders. Places are limited to 250; registration opens 1 December 2025 and closes 29 October 2026.

Mere Sands Mile is an inclusive canicross event at Mere Sands Wood on 1 November 2026 featuring a timed one mile on mostly flat woodland trails and an optional 2.5 km social run with on-site café and facilities.

A 6 mile out and back fell race with 1900 feet of ascent around Rhobell Fawr, starting and finishing at Llanfachreth village hall. It opens the Meirionnydd Winter Race Series and requires full WFRA kit and fell shoes.

An annual November trail race organised by Billinge Running Club on a mapped, marshalled **5-mile** route over varied, sometimes muddy terrain. Registration and bag drop are at The Delph Tavern with parking at Up Holland High School.

Experience the Pen Llyn Ultra Winter Edition in November 2026. This Coast 2 Coast event offers a 37.5 mile solo ultra-marathon or a team entry for groups of four through a scenic winter landscape.

Held in Porth Penrhyn, Bangor on 14-15 November 2026, Slate Trail Ultra offers two trail races of 147 km and 80 km along the Snowdonia Slate Trail with substantial elevation gain and organised aid stations.

UTMB Index

The The Anglesey 3 Peaks 55K Run Challenge will take place in Moelfre on Saturday 14 November 2026. You can run 55 kilometers.

A 40 mile trail ultramarathon circling Warrington anticlockwise and starting and finishing in Lymm on 14 November 2026. Options include solo, pair or 4 person relay, with checkpoints and a hot meal at the finish.

Support World Diabetes Day at Stanley Park with a 6 hour timed event on a flat 3.1 mile loop. Complete as many laps as you wish to reach half marathon marathon or ultra distances for charity.

IMRA AGM 2026 Race takes place in County Wicklow on 21 November 2026. The listed course is 99.00 km with 999 m climb, only major junctions are marked, GPS is not allowed, and Level B mandatory kit is required.

Chip-timed MoRuns at Croxteth Park on 21 November 2026, offering 1.5k, 5k, 10k and a half marathon while supporting Movember; finishers receive medals, headbands and instant results.

The Bog Trotter 10k is a trail run on a loop course through a Blackpool country park, passing nature reserves and local landmarks. Participants must be over 18, and all finishers get a medal and snacks. Entries close on 28 November 2026.

December 2026

The Snaefell and the Tholtans will take place in Snaefell on Saturday 5 December 2026. You can run 13 kilometers.

The Alyn Waters Winter Trails will take place in Gwersyllt on Saturday 5 December 2026. You can run between 5 and 10 kilometers.

The Sea 2 Summit - Offa's Dyke Half/Full/Ultra will take place in Prestatyn on Sunday 6 December 2026. You can run between 21 and 56 kilometers.

Run the Trail by Torchlight in Llangollen: an 8 km fell race over scenic starlit moor with about 244 m ascent. Bring a head torch and enjoy a lively night race open to runners aged 16 and over.

The Moel Famau Festive 'Piece of String' Race will take place in Bwlch Penbarras on Saturday 19 December 2026. You can run 12 kilometers.

Devils Chair Dash is a charity fell race on 26 December 2022 at Stiperstones Inn near Minsterly. The course is 4.6 km with 246 m ascent, requires pre-registration, and has a minimum entry fee of £3 payable on the day.