Logo

Severn Challenge

Llanidloes, United Kingdom • 15-19 May 2025

The Severn Challenge is a demanding multi-day ultra marathon covering 218 miles along the River Severn from its source in Wales to the mouth in England. Spanning five stages over five days, participants traverse varied terrain, including riverside paths, fields, and overgrown sections, making it one of the toughest races in the UK with a finishing rate of around 26%. Each day features a separate race with bespoke medals, and completing all five awards a large trophy. Accommodation is provided at different locations each night, and the event includes support such as kit transfer, checkpoint food, and navigation. The race emphasizes self-sufficiency and endurance, attracting experienced ultra runners. Visit the organization's website for the most recent information.

United Kingdom Wales Llanidloes

Race information

Website
59 mi
Stage 3 - the Mtc Severn Path Ultra (59 Miles)
57 mi
Stage 4 - the Mtc Severn Way Ultra (57 Miles)
47 mi
Stage 2 - the Mtc Severn Plod Ultra (47 Miles)
29 mi
Stage 5 - the Mtc Bristol Severn (29 Miles)
26 mi
Stage 1 - the Mtc Hafren (26 Miles)
Visit the organization's website for the most recent information.
Trail runs nearby

Pegasus - The HOWUM

Llanidloes

The HOWUM 2025 is a 30-mile ultra marathon set in the stunning landscapes of mid Wales, starting from Llanidloes and featuring a route that includes the Sarn, Glyndwr’s Way, Severn Way, and Wye Valley Walk. Participants will experience the breathtaking Clywedog Reservoir and the source of the River..

Cadair X

Tywyn - 25 mi from Llanidloes

Cadair X is a challenging half marathon event organized by WESWIMRUN, set against the stunning backdrop of Cadair Idris in Wales. The route spans 13.1 miles, featuring a significant elevation gain of 1165 meters, and comprises 65% trail, 25% mountain path, and 10% tarmac. Participants will navigate..

The Hafren Ultra

Llanidloes

The Hafren Ultra is a challenging point-to-point ultramarathon that forms the first day of the MTC Severn Challenge. The race begins with a nearly four-mile mountain trek up Plynlimon, known as Wales' most dangerous mountain due to its boggy terrain. After reaching the source of the Severn River, pa..

The Severn Plod Ultra

Newtown - 10 mi from Llanidloes

The Severn Plod Ultra is a 48-mile point-to-point ultramarathon starting from the Mid Wales Art Centre and finishing in Shrewsbury. The route follows the River Severn, passing notable landmarks such as Dolerw Park, the Gorsedd stone circle, and the Montgomery Canal Walk. Runners must maintain a mini..

GB Ultras - Ultra Wales 50

Ganllwyd - 28 mi from Llanidloes

The Ultra Wales 50 is a challenging 50-mile mountain and trail race set in the stunning landscapes of Southern Snowdonia, featuring significant elevation gains of 2898 meters. Scheduled for June 21, 2025, this event allows 500 participants to experience breathtaking views, including Cadair Idris and..

UTMB Index

Lake Vyrnwy Running Festival

Llanwddyn - 21 mi from Llanidloes

The Lake Vyrnwy Running Festival is a scenic trail event held over a weekend, featuring a 5k race on Saturday evening and an 11k race on Sunday morning. Participants of all ages and abilities can enjoy challenging routes that showcase breathtaking views of Lake Vyrnwy and its surrounding estate. The..