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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
Harrold-Odell Country Park - Bedfordshire. 10km, 25km & 50km Trail Races.
Bedford, Bedfordshire
08 Mar 25
£32.00 - £55.00
🚀Boosted
Jurassic Coast Challenge
Portland, Dorset
28 Mar 25 - 30 Mar 25
£75.00 - £210.00
🚀Boosted
Jurassic Coast Ultra
Portland, Dorset
29 Mar 25
£90.00
🚀Boosted
24 Hours South - The Offa's Dyke ULTRA
Nova Centre, Prestatyn
10 May 25
Free - £154.10
Haughley Festival of Running
Haughley Park, IP30
06 Apr 25
£25.00 - £37.50
4.5
PHOENIX - Stag & Hen Run
Sunbury on Thames, Middlesex
06 Apr 25
£22.00 - £40.00
PHOENIX - The Silver Potion Run
Sunbury on Thames, Middlesex
10 Apr 25
£22.00 - £39.95
Midweek Medal Madness Run April 2025
Staines, Middlesex
11 Apr 25
£24.00 - £34.00
PHOENIX - The Golden Potion Run
Sunbury on Thames, Middlesex
11 Apr 25
£22.00 - £39.95
PHOENIX - The Fortitude Potion Run
Sunbury on Thames, Middlesex
12 Apr 25
£22.00 - £39.95
Ultra X Spring Trail Series (25km, 50km, 75km)
Liphook, Hampshire
12 Apr 25
£35.00 - £125.00
Rise From The Ashes - Baptism of Fire
Staines, Middlesex
12 Apr 25
£27.00 - £40.00
5.0
PHOENIX - The Gauntlet Potion Run
Sunbury on Thames, Middlesex
13 Apr 25
£22.00 - £39.95
The Pendine Sands Races
Carmarthen, Carmarthenshire
13 Apr 25
£29.00 - £300.00
5.0
Rise From The Ashes - Fawkes Run
Staines, Middlesex
13 Apr 25
£27.00 - £40.00
5.0
Bath & Bristol Railway Races; 50km, Marathon, 25km, Half, 10km & 2km Fun Run
Bath, Avon
13 Apr 25
£8.10 - £64.80
4.5
Rise From The Ashes - Sun Bird Run
Egham, Englefield Green, Surrey
14 Apr 25
£24.00 - £34.00
5.0
PHOENIX - The Dauntless Potion Run
Sunbury on Thames, Middlesex
14 Apr 25
£22.00 - £39.95
Rise From The Ashes - Rebirth Run
Egham, Englefield Green, Surrey
15 Apr 25
£24.00 - £34.00
5.0
PHOENIX - The Resolute Potion Run
Sunbury on Thames, Middlesex
15 Apr 25
£22.00 - £39.95
Rise From The Ashes - Inferno Run
Egham, Englefield Green, Surrey
16 Apr 25
£24.00 - £34.00
5.0
PHOENIX - The Perseverance Potion Run
Sunbury on Thames, Middlesex
16 Apr 25
£22.00 - £39.95
Rise From The Ashes - Spitting Feathers
Egham, Englefield Green, Surrey
17 Apr 25
£24.00 - £34.00
5.0
PHOENIX - The Adversity Potion Run
Sunbury on Thames, Middlesex
17 Apr 25
£22.00 - £39.95
PHOENIX - The Intrepid Potion Run
Sunbury on Thames, Middlesex
18 Apr 25
£22.00 - £39.95
Rise From The Ashes - Fire Bird Run
Staines, Middlesex
18 Apr 25
£24.00 - £34.00
5.0
The Easter Challenge
Brandon Country Park, IP27 0SU
18 Apr 25
£33.00 - £36.00
5.0
PHOENIX - The Indomitable Potion Run
Sunbury on Thames, Middlesex
19 Apr 25
£22.00 - £39.95
Rise From The Ashes - Arctic Fire Run
Staines, Middlesex
19 Apr 25
£27.00 - £40.00
5.0
Rise From The Ashes - Healing Tears Run
Staines, Middlesex
20 Apr 25
£27.00 - £40.00
5.0
The Butterfly Effect – Luna Moth
Heanor, Derbyshire
20 Apr 25
£39.50
PHOENIX - The Unbreakable Potion Run
Sunbury on Thames, Middlesex
20 Apr 25
£22.00 - £39.95
Rise From The Ashes - Song Bird Run
Staines, Middlesex
21 Apr 25
£24.00 - £34.00
5.0
PHOENIX - The Invincible Potion Run
Sunbury on Thames, Middlesex
21 Apr 25
£22.00 - £39.95
Chiltern Hills 100K
Chesham, Buckinghamshire
26 Apr 25
£120.00
North Wales 50km & 100km
Prestatyn Nova Centre
26 Apr 25
Free - £89.89
The "Other" Run
Suffolk Running Centre
27 Apr 25
£25.00 - £37.50
The Leeds Backyard Taster Event
Leeds, West Yorkshire
27 Apr 25
£39.50
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
Midweek Chasing Numbers May 2025
Egham, Surrey
02 May 25
£24.00 - £34.00
Bat Challenge
Loughborough
02 May 25 - 03 May 25
£39.00
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
Showing 41-80 of 262 results