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Ultra Marathons Found
View all ↓Ultra Marathons
For when the standard 26.2 mile Marathon is just not far enough. Ultra runs (any run over marathon distance) are experiencing a huge growth in popularity in the UK.
From small, locally organised Ultra Marathons, to some of the best known events Find a Race event calendar lists over 100 ultras every year all over the UK. So check out the comprehensive list of races in our 2025 - 2026 Ultramarathon calendar below: and hit the “Refine” button to tailor your search.
If you're looking for something different why not check out our Running Holidays page which lists international running trips and breaks.
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Ultramarathon Calendar 2025 - 2026
🚀Boosted
24 Hours South - The Offa's Dyke ULTRA
Nova Centre, Prestatyn
10 May 25
Free - £154.10
PHOENIX - NOT the London Marathon Run 2025
Sunbury on Thames, Middlesex
27 Apr 25
£39.95
THE PORTLAND PIG BACKYARD ULTRA
The Piggery Unit 1, Grove Farm Estate, Grove Rd, Portland DT5 1GD
02 May 25
£108.46
Bat Challenge
Loughborough
02 May 25 - 03 May 25
£39.00
Midweek Chasing Numbers May 2025
Wraysbury Skiff & Punting Club, Egham, TW20 0AE
02 May 25
£27.00
MHU - Malvern Hills Ultra
Worcester, Worcestershire
03 May 25
£25.00 - £90.00
5.0
Ultra X Scotland (110km, 60km, 50km, 25k)
Inverness, Highland Council
03 May 25 - 04 May 25
£108.00 - £390.00
Bank Holiday Madness May 2025
Unit 2, Last Hop, Thames Edge, Clarence Street, Staines TW18 4SU
05 May 25
£27.00
PHOENIX - Rose Run
Dorking, Surrey
10 May 25
£22.00 - £39.95
Run to the Sea Brighton Ultramarathon
START: Christs Hospital School, Horsham West Sussex, RH13 0LJ / FINISH: – Hove Lawns, Hove, Brighton, BN3 2FR
10 May 25
£70.00 - £90.00
May We Challenge You
Exmouth, Devon
10 May 25
£32.00
BEWL WATER 10KM, HALF MARATHON & ULTRA 50KM
Tunbridge Wells, Lamberhurst, East Sussex
10 May 25
£37.36 - £66.01
4.5
Eastnor Castle Backyard 8hr, Backyard 12hr and Relay
Ledbury, Eastnor, Herefordshire
10 May 25
£64.80 - £172.80
5.0
Northants Shires & Spires Event
Northampton, Northamptonshire
11 May 25
£25.20 - £61.00
4.9
May We Challenge You Again!
Exmouth, Devon
11 May 25
£32.00
Sausage Dog Run
The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
11 May 25
£27.00 - £35.00
The MTC Severn Challenge
Penrhyndeudraeth, Gwynedd
15 May 25 - 19 May 25
£795.00 - £1,250.00
The MTC Severn Plod Ultra
Caersws, Powys
16 May 25
£90.00
PHOENIX Fridays - Prehistoric Friday
Walton-on-Thames, Surrey
16 May 25
£26.00 - £33.00
The MTC Severn Path Ultra
Shrewsbury, Shropshire
17 May 25
£90.00
BC50K Trail Ultra
Bishops Castle, Shropshire
17 May 25
£50.00
Kendal to Preston ULTRA 50
Kendal, Cumbria
17 May 25
£95.00
The Birthday Run - 5k,10k, Half Marathon, Full Marathon & Ultra-Marathon
Hinchingbrooke Country Park, PE29 6BD
18 May 25
£33.00 - £36.00
PHOENIX - Dragon's Eye Race 1
Cranleigh, Surrey
18 May 25
£27.00 - £40.00
5.0
Easy Does It Run
The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
18 May 25
£27.00 - £35.00
Greensand Way Ultra Run 30 Miles
Guildford, Surrey
18 May 25
£45.00
The MTC Severn Way Ultra
Worcester, Worcestershire
18 May 25
£90.00
The MTC Bristol Severn Ultra
Stonehouse, Gloucestershire
19 May 25
£80.00
Aladdin Sane - Starman Run
Durham Amateur Rowing Club, Green Lane, Durham
22 May 25
£27.00
Aladdin Sane Run - The Eponymous Run
Durham Amateur Rowing Club, Green Lane, Durham
23 May 25
£27.00
The Grim Reaper - 10, 40, 70, 100-miles
Bourne, Lincolnshire
24 May 25
£32.00 - £150.00
5.0
Aladdin Sane - Ziggy Stardust Run
Durham, County Durham
24 May 25
£27.00
Farmmaggeddon
Hyde Hall Farm, Buntingford, SG9 0RU
24 May 25 - 25 May 25
£33.00 - £165.00
Aladdin Sane - Bowie Run
Durham, County Durham
25 May 25
£27.00
Aladdin Sane - Rebel Rebel Run
Durham, County Durham
26 May 25
£27.00
Blair Castle Trail Weekender
Blair Castle, Blair Atholl
30 May 25 - 01 Jun 25
£10.82 - £80.87
4.0
Midweek Run - Leon's Birthday Run!
The Last Hop, Unit 2, Thames Edge, 15-18 Clarence St, Staines TW18 4SU
30 May 25
£27.00
The Ultra Loop Track Edition - Run As Many Loops As You Can in 6 or 12 hours
Manchester, Lancashire
31 May 25
£34.00 - £55.00
5.0
Beat the Sunset 50km
Maidenhead, Berkshire
31 May 25
£65.00
Sausage Dog Run - Wales
Dare Valley Country Park, Aberdare, CF44 7PS
31 May 25
£27.00 - £35.00
The Ridgeway Challenge
Berkhamsted, Hertfordshire
31 May 25 - 01 Jun 25
£122.00
Showing 41-80 of 255 results