Expected July 2027
Distance
Start Time
Terrain
The MTC Hafren Ultra is a challenging mountain ultra run on July 8, 2026, in Penrhyndeudraeth, Gwynedd. It features a near 4-mile trek up Plynlimon to the source of the Severn, then a descent along the river path back to the start. Part of the MTC Severn Challenge.
4-mile mountain trek up Plynlimon
Source of the River Severn
1,600-foot altitude drop
Britain's longest river path
Untouched scenery
Start / Finish
Rhyd-y-benwych picnic area
Rhyd-y-benwych picnic area (same as start, point-to-point but returns to CP1 which is the start)
Terrain
Route
Race Day
What you get
Finisher medal
Finisher t-shirt
Bespoke finishers medal
Technical t-shirt
Champions trophy for first male and female
On the day
Marshals on course
First aid on course
Before you enter
Other questions
The route is not fully signed. Marshals are placed at key points. Competents must keep to designated routes and are responsible for navigation.
Registration opens at 10:30 and closes at 10:45. The race starts promptly at 11:00.
Yes, The MTC Hafren Ultra is Day 1 of the MTC Severn Challenge, a multi-day ultra event.
The race starts with a climb up Plynlimon, then descends 1,600 feet from the source of the Severn back to the start.
Entry fee
Registration isn't open yet. We'll show pricing when the organiser confirms.Penrhyndeudraeth, United Kingdom
Expected July 2027
Provisional date, around Jul 14Are you the organiser of The MTC Hafren - Standard Solo?
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