Ultramarathons in United Kingdom

309 races tracked — the season peaks in September (57 races), with May close behind (56).

By distance 197 50K · 84 50 mi · 22 100K · 3 Marathon
Biggest field Ultra-Trail Snowdonia - 50km — 965 finishers in 2025
Steepest course Old County Tops Fell Race — 166.7 m/km
Deepest results history Peak District Challenge - Bronze Ultra 50km — 10 recorded editions

Next starts in United Kingdom

All 85 upcoming →
Fixed Distance50KMountain
GRIT 8.6

Bewl Water Ultra 37mi

Lamberhurst, GBR

60 km 3,700 m D+ Sep 12
Fixed Distance50K
GRIT 2.5

Boudicca Way 50km Ultra

Diss, GBR

50 km Sep 12
Fixed Distance50 mi
GRIT 3.2

Causeway Coast Ultra Marathon

Portstewart, GBR

64 km Sep 12
Fixed Distance50KRolling
GRIT 5.3

Lulworth Cove 50k

Wareham, GBR

50 km 1,840 m D+ Sep 12
Fixed Distance100KFast & Flat
GRIT 8.3

Pilgrims Reckoning

Bedford, GBR

130 km 1,210 m D+ Sep 12
Fixed Distance50 mi
GRIT 3.2

River Ayr Way Challenge

Glenbuck Loch, GBR

64 km Sep 12
Fixed Distance50KFast & Flat
GRIT 2.7

Suffolk Coastal Path 50km

Lowestoft, GBR

50 km 120 m D+ Sep 12
Fixed Distance50KFast & Flat
GRIT 2.6

The C2C Essex Ultra 30mi

Tilbury, GBR

48 km 100 m D+ Sep 12
Fixed Distance50 miFast & Flat
GRIT 4.3

The C2C Essex Ultra 50mi

Upminster, GBR

80 km 180 m D+ Sep 12
Fixed Distance50 miMountain
GRIT 6.7

Ultra X 60 England

Newfold Farm Edale, GBR

61 km 2,420 m D+ Sep 12
Fixed Distance50KVertical
GRIT 8.4

Welsh 3000s Ultra Run

Llanberis, GBR

48 km 4,000 m D+ Sep 12
Fixed Distance50 miRolling
GRIT 6.1

Yellow Belly Summer 50

Swallow, GBR

80 km 1,370 m D+ Sep 12