Stephen Marks
ID 217632
Born : 1976 Cat. M50 Ultrarunner since 2011 GBR
39
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
4
Countries visited ?FRAFranceGBRUnited KingdomITAItalySUISwitzerland
9,1%
Rank quotient ?This runner's calculation uses 39 eligible race(s): Σ(rank − 1) = 1 308; Σ finishers = 14 315. 1 308 / 14 315 × 100 = 9.14%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed39
Km — ultra races3 742 km
> 100 km12
> 160 km10
Longest race169,0 km
Lakeland 100 Mile — 28/7/2023

Km per year (ultra races)

2022
169
1 race
2023
133
2 races
2024
333
4 races
2025
2026

Race types (share of distance)

Road6,5%
Trail93,5%

Wins & podiums (ultra)

🏆 Win3
🏆 Win M3
🏅 Top 311
🏅 Top 3 M12
Longest winning streak2
Current streak0

Records

50 km3h42'46100 km17h40'4250 mi7h11'03100 mi13h41'486 h83,29 km

HISTORY

39 race(s) · 5 split(s) nested
DateRacePerf.Rk
2025
20.09 50mi GBR10th Chiltern Wonderland 50 7:30:25 h7
26.07 50mi GBRLakeland 50 Mile 9:12:37 h22
17.05 103km GBR8th Ultra-Trail Snowdonia - 100km 22:56:14 h232
04.01 43mi GBR17th Country to Capital 4:56:53 h2 🥈
2024
03.08 53km GBRSnowdonia Sea2Sky 53k 5:39:44 h8
27.07 50mi GBRLakeland 50 Mile 8:39:26 h11
2023
28.07 105mi GBRLakeland 100 Mile 29:38:26 h70
2021
19.09 39mi GBRWarwickshire Bear Ultra 4:31:34 h1 🏆
03.07 6h GBRCrawley A.I.M. Charity 6 Hour Track Race 83.286 km2 🥈
24.04 100mi GBR2nd Centurion Track 100 13:41:48 h3 🥉
2020
01.08 50km GBRRound Reading Ultra Marathon 50km 3:42:46 h4
2019
12.10 100mi GBR8th Autumn 100 Mile Race 15:21:02 h4
29.08 55km SUI5ème Orsières-Champex-Chamonix 6:46:04 h81
26.07 100mi GBRLakeland 100 Mile 25:38:19 h18
12.01 45mi GBR11th GB Ultra Country to Capital 5:02:07 h3 🥉
2018
13.10 50mi GBRLakes in a day Ultra 11:12:58 h4
27.07 100mi GBRLakeland 100 Mile 25:22:38 h9
20.05 35mi GBRNorthants Ultra 35 Shires & Spires 4:23:18 h2 🥈
12.05 53mi GBR1st Ultra-Trail Snowdonia UTS50 14:09:52 h12
2017
01.09 167.7km FRA15ème Ultra Trail Tour du Mont Blanc 34:08:57 h305
28.07 100mi GBRLakeland 100 Mile 27:49:18 h35
24.06 52.5mi GBRSouth Wales 50 11:14:25 h2 🥈
2016
26.08 101km ITA11ème Courmayeur-Champex-Chamonix 17:40:42 h141
29.07 100mi GBRLakeland 100 Mile 27:34:00 h33
05.06 35mi GBRNorthants Ultra 35 4:12:29 h1 🏆
2015
31.10 50mi GBRDusk 'til Dawn 50 Mile Ultra 9:22:47 h1 🏆
24.07 100mi GBRLakeland 100 Mile 27:39:24 h28
07.06 35mi GBRNorthants Ultra 35 4:35:21 h4
02.05 100mi GBR4th Thames Path 100 19:34:43 h16
07.02 50mi GBRGB Ultra Thames Trot 7:11:03 h16
2014
08.11 50km GBRKings Forest 50 km 3:56:00 h2 🥈
20.09 40mi GBR28th High Peak 40 Mile Challenge 7:13:24 h31
17.05 50mi GBR4th North Downs Way 50 Mile Race 8:45:28 h13
2013
22.09 50.9mi GBR2nd Ladybower 50 miler 8:02:00 h3 🥉
26.07 50mi GBRLakeland 50 Mile 11:18:47 h58
2012
15.09 40mi GBR26th High Peak 40 Mile Challenge 6:56:22 h17
28.07 50mi GBRLakeland 50 Mile 10:10:43 h42
2011
17.09 40mi GBR25th High Peak 40 Mile Challenge 6:42:15 h15
30.07 50mi GBRLakeland 50 Mile 14:01:06 h89