Ben Shacklock
ID 709747
Born : 1979 Cat. M45 Ultrarunner since 2015 GBR
27
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
47
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
4,9%
Rank quotient ?This runner's calculation uses 27 eligible race(s): Σ(rank − 1) = 258; Σ finishers = 5 318. 258 / 5 318 × 100 = 4.85%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed34
Km — ultra races2 705 km
> 100 km8
> 160 km5
> 200 km1
Longest race400,0 km
Cape Wrath Ultra — 18/5/2025

Km per year (ultra races)

56
1 race
2022
257
2 races
2023
2024
617
4 races
2025
299
3 races
2026

Race types (share of distance)

Road2,8%
Trail82,4%
Stage14,8%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M4
🏅 Top 311
🏅 Top 3 M11
Longest winning streak1
Current streak0

Records

100 km8h56'5050 mi8h33'31100 mi18h20'006 h65,00 km

HISTORY

27 race(s)
DateRacePerf.Rk
2026
13.06 100mi GBR14th South Downs Way 100 Mile Race 19:03:16 h31
16.05 52mi GBR4th Skipton Skedaddle Ultra 52mi 10:13:58 h4
07.02 34mi GBRHarrogate Hustle Ultra 33mi 5:33:57 h10
2025
14.06 33mi GBR9th Otley High Views Ultra 33mi 5:32:16 h1 🏆
18.05 400km/8stages GBRCape Wrath Ultra 2d 10:53:24 h19
12.04 52mi GBR3rd Ripon Stinger Ultra 52mi 8:30:16 h1 🏆
15.03 50mi GBRWelcome Way Ultramarathon 50mi 8:33:31 h5
2023
21.10 110mi GBR4th Nidderdale Way Ultra 2 Loops 24:56:29 h2 🥈
09.09 50mi GBR7th Reservoir Dogs Ultra 50mi 10:52:15 h3 🥉
2022
03.06 35mi GBR1st Jubilee Ultra 5:19:19 h4
2021
20.11 80mi GBRHardwolds 80 15:21:21 h13
29.05 110mi GBR14th Hardmoors 110 23:31:22 h2 🥈
24.04 30mi GBR11th Hardmoors 30 5:22:29 h23
2020
12.12 53km GBR4th Short Circuit Ultra 5:57:00 h9
15.08 29mi GBR1st Nidderdale Way Ultra 29mi 4:32:30 h3 🥉
2019
14.09 100mi GBR4th Robin Hood 100 18:20:00 h3 🥉
29.06 102km GBR4th St. Cuthbert's Way 100 km Ultra 12:06:49 h3 🥉
11.05 62km GBR3rd A Bridge Too Far Ultra 60km 5:58:40 h6
01.01 30mi GBR9th Hardmoors 30 4:23:25 h10
2018
01.01 30mi GBR8th Hardmoors 30 4:19:43 h1 🏆
2017
15.07 100km GBR5th Race to the Stones 100 km Ultramarathon 8:56:50 h4
01.01 30mi GBR7th Hardmoors 30 4:41:14 h15
2016
16.07 100km GBR4th Race to the Stones 100 km Ultramarathon 10:56:10 h22
18.06 111km GBR5th The Wall Ultra Run 111 km nonstopp 11:44:58 h18
27.03 75km GBR2nd Canalathon 75km 6:56:22 h3 🥉
2015
11.07 100km GBR3rd Race to the Stones 100 km Ultramarathon 11:51:34 h67
21.06 6h GBRTrailblaster 6h Endurance Ultra 65.000 km3 🥉