Stephen Mason
ID 7148
Born : 1967 Cat. M55 Ultrarunner since 1997 GBR
38
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
50
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
6
Countries visited ?CANCanadaFRAFranceGBRUnited KingdomIRLIrelandITAItalySUISwitzerland
26,9%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 618; Σ finishers = 2 298. 618 / 2 298 × 100 = 26.89%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed41
Km — ultra races4 680 km
> 100 km14
> 160 km12
> 200 km8
> 24h14
Longest race239,4 km
Perth Ultra Fest 24 Hour Race — 13/9/2008

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road93,2%
Trail6,8%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 35
🏅 Top 3 M6
Longest winning streak1
Current streak0

Records

50 km3h21'46100 km7h49'5450 mi14h09'2124 h239,40 km

HISTORY

45 race(s) · 17 split(s) nested
DateRacePerf.Rk
2019
08.06 50km CAN3rd The Puddle Jumper Classic 50k 7:34:05 h45
2014
20.09 24h GBR24th Self-Transcendence 24 Hour Track Race Tooting Bec 195.639 km7
2013
05.10 50mi GBR3rd Wye One Way 50 Miles 14:09:21 h84
21.09 24h GBR23rd Self-Transcendence 24 Hour Track Race Tooting Bec 198.050 km5
31.03 100km GBRSelf Transcendence 100 km Perth 8:50:22 h18
2012
22.09 24h GBR22nd Self-Transcendence 24 Hour Track Race Tooting Bec 113.600 km34
2011
23.09 24h GBRCommonwealth 24 Hour Championship 181.075 km29
07.05 24h SUI23. Self-Transcendence 24h Lauf Basel 189.934 km8
2010
04.09 24h GBRPerth Ultra Fest 24 Hour Race 100.002 km25
13.05 6h FRAIAU 24h WC Brive (Les 24 heures de Brive) - 6h Split 66.647 km49
13.05 12h FRAIAU 24h WC Brive (Les 24 heures de Brive) - 12h Split 121.816 km75
13.05 24h FRAIAU 24h EC Brive (Les 24 heures de Brive) 215.923 km52
13.05 24h FRAIAU 24h WC Brive (Les 24 heures de Brive) 215.923 km68
06.03 56mi GBR2nd Glasgow-Edinburgh Double Marathon 8:02:51 h15
2009
17.09 24h GBRCommonwealth Championships 24 hour race 236.942 km4
02.05 24h ITAIAU 24h EC Bergamo (7° 24 ore del Delfino) 215.167 km24
02.05 24h ITAIAU 24h WC Bergamo (7° 24 ore del Delfino) 215.167 km29
02.05 24h ITAOpen race at IAU 24h WC & EC Bergamo (7° 24 ore del Delfino) 215.167 km32
28.03 50km IRL100 km Galway - 50km Split 3:40:23 h11
28.03 100km IRL100 km Galway 7:49:54 h12
2008
13.09 24h GBRPerth Ultra Fest 24 Hour Race 239.396 km1 🏆
18.05 100km GBR100 km Cardiff 8:10:30 h9
2007
06.10 24h GBR18th Self-Transcendence 24 Hour Track Race Tooting Bec 220.549 km3 🥉
09.09 50km GBR12th Fife AC 50km Road Race 3:37:17 h3 🥉
20.05 50km GBREdinburgh Self Transcendence 100km - 50km Split 4:05:31 h15
20.05 100km GBREdinburgh Self Transcendence 100km 8:53:56 h14
2006
14.05 50km GBR11th Fife AC 50km Road Race 3:26:31 h3 🥉
02.04 100km GBR100 km Innsworth 9:04:33 h13
2005
08.05 50km GBR10th Fife AC 50km Road Race 3:33:39 h5
02.04 100km IRL100 km Dublin 8:55:34 h13
2004
09.05 50km GBR9th Fife AC 50km Road Race 4:04:22 h11
26.04 100km GBR100 km Cardiff 8:27:44 h7
2003
06.07 100km GBREdinburgh Self Transcendence 100km 8:13:04 h7
11.05 50km GBR8th Fife AC 50km Road Race 3:22:19 h4
2002
12.05 50km GBR7th Fife AC 50km Road Race 3:28:20 h4
2001
15.07 100km GBREdinburgh Self Transcendence 100km 9:15:54 h4
13.05 50km GBR6th Fife AC 50km Road Race 3:31:28 h5
2000
26.08 35.5mi GBRTwo Bridges race 3:59:22 h4
14.05 50km GBR5th Fife AC 50km Road Race 3:41:32 h10
1999
18.07 100km GBREdinburgh Self Transcendence 100km 9:00:55 h7
09.05 50km GBR4th Fife AC 50km Road Race 3:21:46 h3 🥉
11.04 50km GBR6th Speyside Way 50km Race 3:45:15 h14
1998
10.05 50km GBR3rd Fife AC 50km Road Race 3:41:12 h8
12.04 50km GBR5th Speyside Way 50km Race 3:57:15 h7
1997
11.05 50km GBR2nd Fife AC 50km Road Race 3:48:22 h9