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About RaceIndexOur methodologyData coverageCyclingTriathlon

Lowest true cost ultramarathons

The lowest true cost ultramarathons, ranked from the raceindex.org true-cost model across 36 qualifying races.

Ranking current as of

Which race ranks first — and why is it Norfolk Festival of Running (King's Lynn)?

Norfolk Festival of Running (King's Lynn) leads this ranking on modelled true cost (£168).

Compare Norfolk Festival of Running (King's Lynn) vs The Pathfinder March (Cambridgeshire)

#RaceModelled true costAscentClimb densityDescentNet elevationMax absolute gradeFeeAs of
1Norfolk Festival of Running (King's Lynn) Ultramarathon - east-of-england100627 m12.5 m/km628 m-1 m9.8%£38
2The Pathfinder March (Cambridgeshire) Ultramarathon - east-of-england100UnavailableUnavailableUnavailableUnavailableUnavailable£40
3Stort30 Ultramarathon - east-of-england10099 m2.0 m/km98 m0 m7.1%£55
4Bath & Bristol Railway Races Ultramarathon - south-west100136 m2.7 m/km135 m1 m6.7%£65
5Two Tunnels Railway Races Ultramarathon - south-west1001,231 m24.6 m/km1,229 m2 m17.3%£65
6Cairngorms Ultra Trail - scotland100948 m15.8 m/km949 m-1 m25.0%£67
7Endurancelife Suffolk (Dunwich) Ultramarathon - east-of-england100247 m4.7 m/km246 m0 m8.4%£71
8Endurancelife Coastal Trail Series Northumberland Ultramarathon - north-east100UnavailableUnavailableUnavailableUnavailableUnavailable£71
9Endurancelife Coastal Trail Series - North York Moors (Ravenscar) Ultramarathon - yorkshire1001,310 m23.7 m/km1,310 m0 m28.3%£71
10Pilgrims' Ultra (Holy Island, Northumberland) - north-east100UnavailableUnavailableUnavailableUnavailableUnavailable£72
11The Beacons Ultra, Marathon & Half (Talybont-on-Usk) - wales100UnavailableUnavailableUnavailableUnavailableUnavailable£80
12Gower Coastal Trail Races Ultramarathon - wales1001,087 m13.5 m/km1,088 m-1 m23.7%£85
13The Malvern Hills Ultra - west-midlands1002,391 m31.6 m/km2,391 m0 m36.3%£95
14Snowdonia Trail Marathon Eryri Ultramarathon - wales100UnavailableUnavailableUnavailableUnavailableUnavailable£100
15Mourne Way Marathon (Newcastle / Mourne Mountains) Ultramarathon - northern-ireland100UnavailableUnavailableUnavailableUnavailableUnavailable£100
16Devil o' the Highlands Footrace Ultramarathon - scotland1001,641 m23.8 m/km1,876 m-235 m28.9%£100
17Causeway Coast Marathon (Portballintrae) Ultramarathon - northern-ireland100UnavailableUnavailableUnavailableUnavailableUnavailable£100
18Chiltern Wonderland 50 Ultramarathon - south-east1001,699 m21.0 m/km1,694 m5 m39.0%£115
19Hardmoors 55 Ultramarathon - yorkshire100UnavailableUnavailableUnavailableUnavailableUnavailable£120
20Equinox24 (Belvoir Castle) Ultramarathon - east-midlands100UnavailableUnavailableUnavailableUnavailableUnavailable£120
21Highland Fling Race (Milngavie) Ultramarathon - scotland1001,939 m22.8 m/km1,758 m181 m29.5%£125
22THE LAP - Windermere Ultra - north-west100UnavailableUnavailableUnavailableUnavailableUnavailable£135
23Cotswold Way Century Ultramarathon - south-west100UnavailableUnavailableUnavailableUnavailableUnavailable£152
24Race to the King Ultramarathon - south-east1001,434 m13.9 m/km1,434 m0 m18.8%£155
25West Highland Way Race Ultramarathon - scotland1002,703 m17.7 m/km2,748 m-46 m32.9%£157
26Pembrokeshire Coastal Races (Dale) Ultramarathon - wales100UnavailableUnavailableUnavailableUnavailableUnavailable£160
27Lakeland 100 Ultramarathon - north-west100UnavailableUnavailableUnavailableUnavailableUnavailable£190
28South Downs Way 100 Ultramarathon - south-east1003,410 m21.2 m/km3,504 m-94 m31.8%£220
29Autumn 100 Ultramarathon - south-east1001,380 m8.6 m/km1,381 m-1 m21.3%£220
30North Downs Way 100 Ultramarathon - south-east100155 m0.9 m/km95 m59 m20.8%£220
31Thames Path 100 Ultramarathon - south-east100222 m1.4 m/km174 m48 m11.9%£225
32Altra 13 Valleys Ultra (Keswick) - north-west100UnavailableUnavailableUnavailableUnavailableUnavailable£230
33The Wall Ultramarathon - north-east1001,140 m10.2 m/km1,158 m-18 m15.8%£230
34Arc of Attrition Ultramarathon - south-west1004,116 m25.5 m/km4,038 m78 m43.9%£239
35Ring O' Fire Ultramarathon - wales1002,480 m11.9 m/km2,479 m1 m39.1%£255
36Ultra-Trail Snowdonia by UTMB - wales1009,055 m55.6 m/km9,055 m-0 m59.5%£259
3
Stort30 Ultramarathoneast-of-england
Modelled true cost
100
Ascent
99 m
Climb density
2.0 m/km
Descent
98 m
Net elevation
0 m
Max absolute grade
7.1%
Fee
£55

As of

6
Cairngorms Ultra Trailscotland
Modelled true cost
100
Ascent
948 m
Climb density
15.8 m/km
Descent
949 m
Net elevation
-1 m
Max absolute grade
25.0%
Fee
£67

As of

13
The Malvern Hills Ultrawest-midlands
Modelled true cost
100
Ascent
2,391 m
Climb density
31.6 m/km
Descent
2,391 m
Net elevation
0 m
Max absolute grade
36.3%
Fee
£95

As of

18
Chiltern Wonderland 50 Ultramarathonsouth-east
Modelled true cost
100
Ascent
1,699 m
Climb density
21.0 m/km
Descent
1,694 m
Net elevation
5 m
Max absolute grade
39.0%
Fee
£115

As of

19
Hardmoors 55 Ultramarathonyorkshire
Modelled true cost
100
Ascent
Unavailable
Climb density
Unavailable
Descent
Unavailable
Net elevation
Unavailable
Max absolute grade
Unavailable
Fee
£120

As of

20
Equinox24 (Belvoir Castle) Ultramarathoneast-midlands
Modelled true cost
100
Ascent
Unavailable
Climb density
Unavailable
Descent
Unavailable
Net elevation
Unavailable
Max absolute grade
Unavailable
Fee
£120

As of

22
THE LAP - Windermere Ultranorth-west
Modelled true cost
100
Ascent
Unavailable
Climb density
Unavailable
Descent
Unavailable
Net elevation
Unavailable
Max absolute grade
Unavailable
Fee
£135

As of

23
Cotswold Way Century Ultramarathonsouth-west
Modelled true cost
100
Ascent
Unavailable
Climb density
Unavailable
Descent
Unavailable
Net elevation
Unavailable
Max absolute grade
Unavailable
Fee
£152

As of

24
Race to the King Ultramarathonsouth-east
Modelled true cost
100
Ascent
1,434 m
Climb density
13.9 m/km
Descent
1,434 m
Net elevation
0 m
Max absolute grade
18.8%
Fee
£155

As of

25
West Highland Way Race Ultramarathonscotland
Modelled true cost
100
Ascent
2,703 m
Climb density
17.7 m/km
Descent
2,748 m
Net elevation
-46 m
Max absolute grade
32.9%
Fee
£157

As of

27
Lakeland 100 Ultramarathonnorth-west
Modelled true cost
100
Ascent
Unavailable
Climb density
Unavailable
Descent
Unavailable
Net elevation
Unavailable
Max absolute grade
Unavailable
Fee
£190

As of

28
South Downs Way 100 Ultramarathonsouth-east
Modelled true cost
100
Ascent
3,410 m
Climb density
21.2 m/km
Descent
3,504 m
Net elevation
-94 m
Max absolute grade
31.8%
Fee
£220

As of

29
Autumn 100 Ultramarathonsouth-east
Modelled true cost
100
Ascent
1,380 m
Climb density
8.6 m/km
Descent
1,381 m
Net elevation
-1 m
Max absolute grade
21.3%
Fee
£220

As of

30
North Downs Way 100 Ultramarathonsouth-east
Modelled true cost
100
Ascent
155 m
Climb density
0.9 m/km
Descent
95 m
Net elevation
59 m
Max absolute grade
20.8%
Fee
£220

As of

31
Thames Path 100 Ultramarathonsouth-east
Modelled true cost
100
Ascent
222 m
Climb density
1.4 m/km
Descent
174 m
Net elevation
48 m
Max absolute grade
11.9%
Fee
£225

As of

32
Altra 13 Valleys Ultra (Keswick)north-west
Modelled true cost
100
Ascent
Unavailable
Climb density
Unavailable
Descent
Unavailable
Net elevation
Unavailable
Max absolute grade
Unavailable
Fee
£230

As of

33
The Wall Ultramarathonnorth-east
Modelled true cost
100
Ascent
1,140 m
Climb density
10.2 m/km
Descent
1,158 m
Net elevation
-18 m
Max absolute grade
15.8%
Fee
£230

As of

34
Arc of Attrition Ultramarathonsouth-west
Modelled true cost
100
Ascent
4,116 m
Climb density
25.5 m/km
Descent
4,038 m
Net elevation
78 m
Max absolute grade
43.9%
Fee
£239

As of

35
Ring O' Fire Ultramarathonwales
Modelled true cost
100
Ascent
2,480 m
Climb density
11.9 m/km
Descent
2,479 m
Net elevation
1 m
Max absolute grade
39.1%
Fee
£255

As of

36
Ultra-Trail Snowdonia by UTMBwales
Modelled true cost
100
Ascent
9,055 m
Climb density
55.6 m/km
Descent
9,055 m
Net elevation
-0 m
Max absolute grade
59.5%
Fee
£259

As of

36 qualifying races in this ranking; use the distance catalogue to search the full distance list. Scores are out of 100 when present; route, elevation and cost figures are shown in their natural units.

How we ranked these

Races are ranked by Modelled true cost. Score metrics use methodology scoring-methodology-v1.0. Route, elevation and fee metrics use the sourced or derived value shown in the table. A ranking is only published when at least five races qualify, so the table is never padded with thin data.

See exactly how each figure is calculated →

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (38)

Read the full methodology →

Common questions

What is the lowest true cost ultramarathons?

Norfolk Festival of Running (King's Lynn) Ultramarathon ranks first by modelled true cost, from 36 qualifying races compared under our published methodology.