Find Trail Ultra Marathon Races

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Race Landscape Video Difficulty Score Distance Elevation Month Compare Races
Ultra-Trail Snowdonia UTS 100KM by UTMB Ultra Marathon Race in May 2025 near Llanberis eryri snowdonia landscape
102.00km 6494metres May Compare this race
Severn Challenge 218 Mile Multi-Stage Ultra Race in May near Aberystwyth river severn ultra marathon race landscape views
395.74 335.00km 2924metres May Compare this race
Two Moors Way Devon 100km Ultra Marathon Race by Climb South West in May near Changford exmoor landscape views ultra marathon race england
181.38 103.00km 2558metres May Compare this race
Run Walk Crawl Black Beacon 50 Miles Ultra Marathon Race in May near South Wales brecon beacons ultra marathon trail views landscapes
191.66 81.00km 3626metres May Compare this race
Pegasus HOWUM 30 Mile Ultra Marathon Race in Mid Wales in May llanidloes trail ultra running views landscape 113.02 48.00km 1302metres May Compare this race
UTS 50K Ultra-Trail Snowdonia by UTMB Ultra Marathon Race in May near Snowdonia eryri snowdonia landscape
176.24 49.00km 3384metres May Compare this race
Preseli UltraBeast 51KM Ultra Marathon Trail Running Race in May near Pembrokeshire preseli hills pembrokeshire landscape views trail ultra marathon
117.31 51.00km 1701metres May Compare this race
Ultra-Trail Snowdonia UTS 100KM by UTMB Ultra Marathon Race in May 2026 near Llanberis eryri snowdonia landscape
98.00km 4633metres May Compare this race
UTS 100M Ultra-Trail Snowdonia by UTMB 100 Mile Ultra Marathon Race in May near Llanberis eryri snowdonia landscape
364.25 160.00km 9795metres May Compare this race
Cape Wrath 370km Multi-Stage Ultra Marathon Race in May near Highlands of Scotland torridon cape wrath ultra marathon race landscape views
575.12 370.00km 11822metres May Compare this race
South Wales 200 by Wild Horse Ultra Marathon in April near Brecon Beacons brecon beacons ultra marathon trail views landscapes
510.61 320.00km 9171metres May Compare this race
Blacks to the Beacons 50 Miles Ultra Marathon Race in May near South Wales brecon beacons ultra marathon trail views landscapes 182.86 82.00km 3156metres May Compare this race

🏃 Course Basics & Intensity

Distance
The total length of the race in kilometers or miles.
Elevation per KM
The average vertical gain every kilometer; higher numbers mean steeper races.
Kilometer Effort
The "real-feel" distance combining flat length and vertical climbing into one effort metric.
Difficulty Score
A unique rating calculated from distance, ascent, and terrain technicality.
DNF Rate
The percentage of runners who historically do not finish the race.
Ground Type
Defines the surface, such as hard-packed trail, technical mountain rock, or bog.

⛰️ Climbing & Peaks

Categorised Climbs
The total number of significant, sustained uphill sections on the course.
Avg/Max Altitude
The average and peak heights above sea level you will reach during the race.
Uphill/Downhill %
The percentage of the course spent climbing, descending, or running on flat ground.
Steepest Hill
The maximum gradient percentage you will encounter on the toughest climb.
Cat Biggest Climb
The length and total vertical gain of the single largest climb in the race.

⏱️ Logistics & Timing

Finish Cut-Off
The total time allowed to reach the finish line before being disqualified.
Pace to Finish
The minimum speed (km/h) required to beat the cut-offs, including aid station stops.
Start Time
Whether the race begins in the morning, evening, or at night.
Time of Day
Indicates if you will be running through the day, the night, or both.
Trajectory
Defines if the race is a single loop, a point-to-point, or an out-and-back route.

⛺ Support & Entry

Checkpoints
The total number of aid stations and the average distance between them.
Support Types
Details if the race is self-supported or provides water, food, and medical aid.
Navigation Type
Whether the course is fully marked with flags or requires map-and-compass skills.
UTMB Stones
The number of qualifying stones awarded for entry into the UTMB World Series Finals.
Entry Fee per KM
The total cost of the race divided by its distance for easy price comparison.

🌲 Environment & Beauty

Beauty Spot Rating
A star rating based on the scenic landmarks and views along the route.
Mountain Ranges
The specific mountain groups the race traverses (e.g., Eryri, Glyderau).
Wilderness %
The proportion of the course that takes place in wild, unmanaged natural habitats.
Avg Temp
The typical temperature expected during the month the race is held.