Find Trail Ultra Marathon Races

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Race Landscape Video Difficulty Score Distance Elevation Month Compare Races
Beacons Way Ultra 100km Race in July near Brecon Beacons brecon beacons ultra marathon trail views landscapes
202.69 98.00km 3679metres July Compare this race
Apex Running 14 Peaks Ultra Welsh 3000s Ultra Marathon in June near Eryri Snowdonia eryri snowdonia landscape 205.70 51.90km 3730metres June Compare this race
The Dragons Back 380km Multi Stage Ultra Marathon Race Through Wales in September cadair idris mountain wales landscape eryri trail ultra-marathon views
691.39 373.00km 17029metres September Compare this race
GB Ultras Ultra Wales 50 Mile Ultra Marathon Race in June near Dolgellau cadair idris mountain wales landscape eryri trail ultra-marathon views
184.69 82.00km 3289metres June Compare this race
Brecon to Cardiff Classic 45 Mile Ultra Marathon Race in February near South Wales brecon beacons south wales landscape environment ultra marathon views
114.40 69.00km 890metres February 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
Beacons Way Ultra 100 Mile Ultra Marathon Race by GB Ultras in July brecon beacons ultra marathon trail views landscapes
297.92 158.00km 6324metres July 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
GB Ultras Snowdon Ultra 50 Mile Ultra Marathon Race in September near Betws Y Coed yr wyddfa snowdon eryri national park views landscape trail running ultra marathon
173.78 71.00km 3308metres September Compare this race
Run Through Trails Snowdonia Sea2Sky 53K Ultra Marathon in August Near Barmouth cadair idris mountain eryri snowdonia national park landscape vista
129.32 53.00km 1742metres August Compare this race
Run Walk Crawl 50km Pembrokeshire Coast Path Ultra Marathon Race in June pembrokeshire coast path national park trail utlra running views ocean sea 99.45 50.90km 1354metres June Compare this race
UTMB CCC 100K Ultra Marathon du Mont Blanc Race in August near Chamonix utmb mont blanc landscape and views for trail and ultra running
252.20 96.00km 6100metres August 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
EPONA 100 Mile Ultra Marathon in June near Bannau Brycheiniog South Wales brecon beacons south wales landscape environment ultra marathon views 289.98 161.00km 5408metres June Compare this race
West Highland Way 152km Ultra Marathon Race near Fort William west highland way race ultramarathon views landscape
251.15 153.00km 3776metres June Compare this race
Lon Las Cymru 250 Mile Ultra Marathon Race Through Wales in October cambrian mountains mid wales landscape environment
531.29 407.00km 6287metres October 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
Run Walk Crawl 50 Mile Pembrokeshire Coast Path Ultra Marathon Race in June pembrokeshire coast path national park trail utlra running views ocean sea 145.46 79.00km 2447metres June Compare this race
Run Walk Crawl 100 Mile Pembrokeshire Coast Path Ultra Marathon Race in June pembrokeshire coast path national park trail utlra running views ocean sea 266.90 160.00km 5520metres June Compare this race
Endurance Life Pembrokeshire 35 Mile Ultra Marathon Race in April near Little Haven pembrokeshire coast path national park trail utlra running views ocean sea
104.80 55.00km 1180metres April Compare this race
Apex Running Slate Trail Ultra 145km Ultra Marathon Race in October near Snowdonia eryri snowdonia landscape
245.92 145.00km 3892metres October Compare this race
Ultra X Wales 110km Multi Stage Ultra Marathon Race in August near Snowdonia Eryri cadair idris mountain wales landscape eryri trail ultra-marathon views
224.85 111.00km 4295metres July 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
Western States 100 Mile by UTMB Ultra Marathon Race in June 291.20 160.00km 6240metres June Compare this race
Apex Running Ultra Tour of the Quarries 87km Ultra Marathon in October Near Bangor eryri snowdonia landscape
177.39 87.00km 2829metres October 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
The Winter Spine Race 268 Mile Non Stop Ultra Marathon Race near Pennine Way in January yorkshire dales national park ultra marathon landscape views
644.71 418.00km 11628metres January Compare this race
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
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
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
The Community Traverse 290km Multi Day Ultra Marathon Race in March near Lake District lakedistrict cumbria landscape vista trail ultra marathon views 288.00km 77613metres March 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.