Malcolm Marks
Born : 1956 Cat. M70 Ultrarunner since 2001 RSA
21
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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 ?RSASouth Africa
77,3%
Rank quotient ?This runner's calculation uses 21 eligible race(s): Σ(rank − 1) = 43 285; Σ finishers = 55 978. 43 285 / 55 978 × 100 = 77.33%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed21
Km — ultra races2 415 km
> 100 km2
> 160 km2
> 200 km2
> 24h1
> 48h1
Longest race500,2 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

HISTORY

23 race(s) · 4 split(s) nested
DateRacePerf.Rk
2014
13.12 10d RSA1st Running Festival Johannesburg 10 days race 500.202 km12
05.07 12h RSA4th ORAK 12 Hour Race 73.600 km50
2013
28.09 100km RSACape Town 100 km 16:46:00 h33
13.07 12h RSA3rd ORAK 12 Hour Race 62.000 km58
30.03 56km road race RSA44th Two Oceans Marathon 6:55:46 h7938
2012
29.09 100km RSACape Town 100 km 17:48:42 h37
02.07 12h RSA2nd ORAK 12 Hour Race 74.500 km24
07.04 56km road race RSA43rd Two Oceans Marathon 6:56:41 h7584
2011
01.10 100km RSACape Town 100 km 18:20:51 h49
03.07 12h RSA1st ORAK 12 Hour Race 81.300 km10
23.04 50km road race RSA42nd Two Oceans Marathon - 50km Split 6:02:27 h5503
2010
25.09 100km RSACape Town 100 km 17:25:06 h27
11.09 80km RSA40th Laingsburg Karoo Ultra-Marathon 10:39:24 h101
2009
26.09 100km RSACape Town 100 km 16:06:56 h25
24.09 63.3km RSA3rd Bainskloof Ultra Marathon 7:56:31 h66
12.09 80km RSA39th Laingsburg Karoo Ultra-Marathon 10:29:00 h83
2008
30.03 48h RSA12. George Archer Six Day Circuit Race - 48h Split 179.000 km14
30.03 6d RSA12. George Archer Six Day Circuit Race 477.000 km10
2005
26.03 56km road race RSA36th Two Oceans Marathon 5:51:02 h3867
2004
16.06 87km road race RSA79th Comrades Marathon - Up Run 11:01:42 h7545
10.04 56km road race RSA35th Two Oceans Marathon 6:09:52 h6254
2002
30.03 56km RSA33rd Two Oceans Marathon 5:58:46 h4468
2001
14.04 56km RSA32rd Two Oceans Marathon 5:59:32 h5065