Ian Harrison
ID 901985
Born : 1973 Cat. M50 Ultrarunner since 2016 GBR
25
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
53
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
1
Countries visited ?GBRUnited Kingdom
15,1%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 467; Σ finishers = 3 086. 467 / 3 086 × 100 = 15.13%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races3 388 km
> 100 km11
> 160 km10
> 200 km5
> 24h11
Longest race346,0 km
Ultra Great Britain 215 Miles — 14/8/2021

Km per year (ultra races)

1 162
6 races
2022
284
3 races
2023
54
1 race
2024
80
1 race
2025
2026

Race types (share of distance)

Trail70,5%
Elim.29,5%

Wins & podiums (ultra)

🏆 Win2
🏆 Win M2
🏅 Top 35
🏅 Top 3 M5
Longest winning streak2
Current streak0

Records

50 km4h50'3650 mi10h41'4324 h179,28 kmBackyard36 loops

HISTORY

25 race(s)
DateRacePerf.Rk
2025
12.07 Backyard Ultra GBR1st The Sting Backyard Ultra North 80.472 km (12h)36
2024
20.07 Backyard Ultra GBR3rd Highlander Last One Standing 53.648 km (8h)73
2023
07.10 35mi GBRThe Round Ripon Ultra 35 5:07:48 h2 🥈
03.06 Backyard Ultra GBR2nd Lionsgate Backyard Ultra 67.060 km (10h)38
04.03 Backyard Ultra GBR1st Rasselbock Backyard Ultra 160.944 km (24h)22
2022
15.10 Backyard Ultra GBR2nd Backyard Ultra World Team Championships - United Kingdom 241.416 km (36h)5
08.10 35mi GBRThe Round Ripon Ultra 35 5:23:29 h4
03.09 24h GBRGlenmore 24 hour Trail Race 179.278 km5
23.07 Backyard Ultra GBR1st Highlander Last One Standing 207.886 km (31h)7
25.06 Backyard Ultra GBR1st Orkney Backyard Ultra 187.768 km (28h)1 🏆
27.05 180mi GBRHighland Way 180 Race 47:24:00 h1 🏆
2021
09.10 56mi GBR11th Glasgow-Edinburgh Ultramarathon 9:28:35 h14
02.10 35mi GBRThe Round Ripon Ultra 35 5:16:54 h6
04.09 24h GBRGlenmore 24 hour Trail Race 165.282 km8
14.08 215mi GBRUltra Great Britain 215 Miles 2d 15:28:00 h3 🥉
01.05 50mi GBRUltra Scotland 50mi 10:41:43 h3 🥉
2018
01.09 24h GBRGlenmore 24 hour Trail Race 90.123 km96
18.08 214mi GBRUltra Great Britain 214 Miles 3d 05:25:00 h12
26.05 95.5mi GBR5th West Highland Way Challenge Race 21:57:00 h4
05.05 31mi GBR3rd Glen Lyon 4:50:36 h13
28.04 53mi GBR13th Highland Fling Race 9:08:32 h48
2017
04.11 33mi GBR7th Glen Ogle 33 4:26:28 h22
02.09 24h GBRGlenmore 24 hour Trail Race 160.900 km19
19.02 70km GBRBrecon to Cardiff Ultra 6:34:18 h12
2016
29.10 38mi GBR5th Jedburgh Three Peaks Ultramarathon 6:38:52 h38