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Spring 2026 Ultra Marathons Found
View all ↓Spring 2026 Ultra Marathons
Find A Race is the UK's most comprehensive event listings site. Check out our list of Spring 2026 Ultra Marathons & Ultra Running Races below.
Popular & Featured
Race Calendar: Spring 2026 Ultra Marathons
🚀Boosted
Rocky at 50 Run
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 16 May 26
£18.00 - £35.00
🚀Boosted
Rocky at 50 Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 30 May 26
£18.00 - £34.00
Bank Holiday Madness May 2026
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Mon 04 May 26
£18.00 - £27.00
PHOENIX - Freddo Mercury - Rhapsody Run
Walton-on-Thames, Surrey
Mon 04 May 26
£22.00 - £40.00
Phoenix Running Manchester Mad Hatter's Tea Party - Chapter 2
Oldham, Lancashire
Mon 04 May 26
£25.00 - £39.95
Bat Challenge
Beacon hill Country Park, LE12 8TA
Fri 08 May 26
£39.00
Something Wild Festival (5k to marathon trail races, swim runs, sea swims)
Hope Cove, Kingsbridge, Devon, TQ7 3HW
Fri 08 May 26 - Sun 10 May 26
£10.82 - £85.11
Run Rabbit Trail Festival
Deene Park, Deene, Corby NN17 3EG
Sat 09 May 26 - Sun 10 May 26
£21.44 - £79.81
24 Hours South - Offa's dyke ultra
Nova Centre, Prestatyn
Sat 09 May 26
Free - £165.24
Chiltern Hills 100K
Chesham, Buckinghamshire
Sat 09 May 26
£152.00
The Spring Lucky Dip Run 2026
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sun 10 May 26
£18.00 - £35.00
Northants Shires & Spires Event
Naseby Village Hall, Haselbech Road, Northampton, NN6 6DE
Sun 10 May 26
£25.68 - £63.88
4.9
PHOENIX - Zombie Run
Gravesend, Kent
Sun 10 May 26
£39.95
Rocky at 50 Run
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Sat 16 May 26
£18.00 - £35.00
Kendal to Preston ULTRA 50
Kendal, Cumbria
Sat 16 May 26
£95.00
RACE THE TIDE
Plymouth, Devon
Sat 16 May 26
£42.00 - £72.00
May We Challenge You
Exmouth, Devon
Sat 16 May 26
£36.00
WitchWood Trail Run
Greenock, Renfrewshire
Sat 16 May 26
£80.00
Lincolnshire Run
Lincoln Road, Skellingthorpe, Lincoln LN6 5UU
Sat 16 May 26
£28.00
PHOENIX BEDFORDSHIRE UNICORNS AND MERMAIDS
Bedford, Bedfordshire
Sat 16 May 26
£22.00 - £39.95
The Maverick Cotswolds Trail
Cheltenham, Winchcombe, Gloucestershire
Sat 16 May 26
£9.10 - £92.84
PHOENIX - Rose Run
Dorking, Surrey
Sat 16 May 26
£22.00 - £39.95
5.0
Guernsey Ultra
St Peter Port
Sun 17 May 26
£55.00
The Birthday Run - 5k, 10k, Half, Full & Ultra Marathon
Billingford Lakes, North Elmham Road, NR20 4RG
Sun 17 May 26
£29.00 - £38.00
May We Challenge You Again!
Exmouth, Devon
Sun 17 May 26
£36.00
Phoenix Cambridgeshire Action Hero Run
St Neots, Cambridgeshire
Sun 17 May 26
£22.00 - £39.95
PHOENIX - Dragon's Eye Race 1 - 2026
Cranleigh, Surrey
Sun 17 May 26
£27.00 - £40.00
4.7
Dun Holm Challenge
Durham Amateur Rowing Club, Green Ln, Old Elvet, Durham DH1 3JU
Thu 21 May 26
£18.00 - £29.00
Dun Holm Challenge - Day 2
Durham Amateur Rowing Club, Green Ln, Old Elvet, Durham DH1 3JU
Fri 22 May 26
£18.00 - £29.00
Catch Me If You Can - Northampton
Northampton Active, Bedford Rd, Northampton NN4 7AA
Sat 23 May 26
£18.82 - £35.55
Farmmageddon - 5k - 10k - Half - Full - Ultra - 100 Mile Challenge
Hyde Hall Farm, Buntingford, SG9 0RU
Sat 23 May 26 - Sun 24 May 26
£35.00 - £165.00
PWR Endure Backyard Ultra Marathon
Bristol, Avon
Sat 23 May 26 - Sun 24 May 26
£54.00
Dun Holm Challenge - Day 3
Durham Amateur Rowing Club, Green Ln, Old Elvet, Durham DH1 3JU
Sat 23 May 26
£18.00 - £29.00
The Grim Reaper - 10, 40, 70, 100-miles
Bourne, Lincolnshire
Sat 23 May 26 - Sun 24 May 26
£35.00 - £160.00
5.0
Phoenix Manchester Mind the Lap
Manchester, Lancashire
Sun 24 May 26
£27.00 - £40.00
Slow and Steady Wins The Race - Northampton
Northampton Active, Bedford Rd, Northampton NN4 7AA
Sun 24 May 26
£18.82 - £35.55
Dun Holm Challenge - Day 4
Durham Amateur Rowing Club, Green Ln, Old Elvet, Durham DH1 3JU
Sun 24 May 26
£18.00 - £29.00
Spring Feisty Phoenix Day 2
Winchester, Hampshire
Sun 24 May 26
£33.95
Dun Holm Challenge - Day 5
Durham Amateur Rowing Club, Green Ln, Old Elvet, Durham DH1 3JU
Mon 25 May 26
£18.00 - £29.00
Midweek Medal Madness - Leon's Birthday Run!
The Last Hop, Unit 2, Thames Edge Court, Clarence Street, Staines, TW18 4SU
Fri 29 May 26
£18.00 - £27.00
Rocky at 50 Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
Sat 30 May 26
£18.00 - £34.00
The Ridgeway Challenge (86 Miles)
Berkhamsted, Hertfordshire
Sat 30 May 26
£162.00
5.0
Showing 81-120 of 129 results