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Summer 2023 Ultra Marathons Found
View all ↓Summer 2023 Ultra Marathons
Find A Race is the UK's favourite event listings site. Check out our list of Summer 2023 Ultra Marathons & Ultra Running Races below.
Popular & Featured
Race Calendar: Summer 2023 Ultra Marathons
Blair Castle Trail Weekender
Pitlochry, Perthshire
02 Jun 23
£10.20 - £64.48
Race the Sun 50km
Maidenhead, Berkshire
03 Jun 23
£55.00
The Butterfly Effect -Silver
Heanor, Derbyshire
04 Jun 23
£38.00
Circuit Du Sore Legs - Part Trois (Track Event) 5k, 10k, half marathon, full or ultra marathon
Ware, Hertfordshire
04 Jun 23
£22.00 - £32.00
BB Ultra
Brecon, Powys
10 Jun 23
£95.00
5.0
C-19 Plan
The Shocking Shirt Shuffle - 5k, 10k, Half, Full & Ultra Marathon
Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
10 Jun 23
£32.00 - £35.00
5.0
Salisbury Plain - Half, Marathon & 50 Mile Ultra
Andover, Hampshire
10 Jun 23
£35.00 - £60.00
3.3
Greensand Country Ultra Trail 50KM
Biggleswade, Central Bedfordshire
10 Jun 23
£69.50
BigSea - Isle of Purbeck 50K and 18 Mile
Swanage, Dorset
11 Jun 23
£33.00 - £55.00
C-19 Plan
The Valley of the Owls Run - 5k, 10k, Half marathon, Full or Ultra Marathon
Suffolk Running Centre, Church Road, Bury St Edmunds, IP29 5AX
11 Jun 23
£22.00 - £35.00
Race to the King
Arundel, West Sussex
17 Jun 23 - 18 Jun 23
£30.00 - £60.00
5.0
C-19 Plan
Isle of Wight Ultra Run
Ryde, Isle of Wight
25 Jun 23
£40.00
C-19 Plan
Yr Wyddfa | Snowdon24
Caernarfon, Gwynedd
08 Jul 23 - 09 Jul 23
£108.99 - £324.99
Race to the Stones
Marlborough, Wiltshire
08 Jul 23 - 09 Jul 23
£30.00 - £60.00
C-19 Plan
The Rasselbock Run - Sherwood Pines - Summer
Mansfield, Nottinghamshire
09 Jul 23
£38.00
5.0
C-19 Plan
XTERRA Snowdonia Trail Marathon, Ultra, Half Marathon & 10k
Caernarfon, Gwynedd
09 Jul 23
£32.99 - £89.99
4.7
Hever Castle Festival of Endurance
Edenbridge, Kent
09 Jul 23
£34.00 - £371.00
4.0
C-19 Plan
Summer Ready Run - 5k, 10k, Half Marathon, Full Marathon, Ultra Marathon
Peterborough, Cambridgeshire
09 Jul 23
£30.00 - £33.00
Pewsey Vale Ultra
Andover, Hampshire
15 Jul 23 - 16 Jul 23
£85.00
TITTESWORTH WATER 10K, HALF MARATHON & 50K ULTRA
Leek, Staffordshire
16 Jul 23
£28.00 - £52.00
