Samuel Black
ID 15267
Born : 1945 Cat. M80 Ultrarunner since 1993 GBR
20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
43
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
2
Countries visited ?FRAFranceGBRUnited Kingdom
76,5%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 757; Σ finishers = 990. 757 / 990 × 100 = 76.46%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20
Km — ultra races2 274 km
> 100 km12
> 160 km1
> 24h13
Longest race160,3 km
9th Self-Transcendence 24 Hour Track Race Tooting Bec — 12/10/1996

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Records

100 km12h21'5912 h84,92 km24 h160,30 km

HISTORY

20 race(s) · 2 split(s) nested
DateRacePerf.Rk
2011
02.04 12h GBRCrawley A.I.M. Charity 12 hour track race 75.700 km18
2010
25.09 24h GBR21st Self-Transcendence 24 Hour Track Race Tooting Bec 126.511 km30
2009
17.10 24h GBR20th Self-Transcendence 24 Hour Track Race Tooting Bec 130.056 km34
2008
12.07 24h GBREast Hull Harriers 24 Hours Track Race 138.156 km20
29.03 12h GBRCrawley A.I.M. 12 hours Run 84.921 km9
2007
06.10 24h GBR18th Self-Transcendence 24 Hour Track Race Tooting Bec 125.912 km32
14.07 24h GBREast Hull Harriers 24 Hours Track Race 144.963 km14
13.05 12h GBRGordon Bentley Memorial 12 Hour track Race 74.400 km9
2006
14.10 24h GBR17th Self-Transcendence 24 Hour Track Race Tooting Bec 111.291 km38
2005
29.10 24h GBREast Hull Harriers 24 Hours Track Race 126.801 km12
08.10 24h GBR16th Self-Transcendence 24 Hour Track Race Tooting Bec 131.780 km22
2003
11.10 24h GBR14th Self-Transcendence 24 Hour Track Race Tooting Bec 139.573 km18
12.07 24h GBREast Hull Harriers 24 Hours Track Race 136.740 km16
1999
22.08 100km FRA100 km de Cléder 14:28:51 h243
1997
11.10 24h GBR10th Self-Transcendence 24 Hour Track Race Tooting Bec 94.800 km31
23.08 35.5mi GBRTwo Bridges race 7:11:47 h72
1996
12.10 24h GBR9th Self-Transcendence 24 Hour Track Race Tooting Bec 160.298 km13
25.05 24h GBRDoncaster 24hr Track Race 157.414 km12
1995
21.05 100km GBR100 km Nottingham 12:21:59 h53
1993
28.08 36mi GBRTwo Bridges race 6:31:14 h81