Joseph Maartens
ID 21566
Born : 1973 Cat. M50 Ultrarunner since 1997 RSA
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
59
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 ?RSASouth AfricaUSAUnited States
61,0%
Rank quotient ?This runner's calculation uses 57 eligible race(s): Σ(rank − 1) = 117 939; Σ finishers = 193 435. 117 939 / 193 435 × 100 = 60.97%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed66
Km — ultra races5 895 km
> 100 km10
> 160 km9
> 200 km4
> 24h4
> 48h3
Longest race625,0 km
6. Six Day Circuit Race — 1/4/2001

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road74,7%
Trail18,0%
Stage7,4%

Records

50 km5h25'36100 mi23h21'1112 h101,37 km24 h100,00 km6 d625,00 km

HISTORY

61 race(s)
DateRacePerf.Rk
2018
20.10 250km/6stages RSA19th Kalahari Augrabies Extreme Marathon 2d 09:31:37 h51
21.04 50km RSA32th Loskop Ultra Marathon 50km 6:47:54 h3397
2016
10.09 50km RSA24. Mont-Aux-Sources 50km Challenge 10:19:26 h321
29.05 89km RSA91st Comrades Marathon - Down Run 11:37:22 h11549
16.04 50km RSA30th Loskop Ultra Marathon 50km 6:06:29 h2727
27.02 76km RSA12th Addo Elephant 76 km Trail Run 13:34:55 h40
2015
24.10 185km/5stages RSA16th Kalahari Augrabies Extreme Marathon 28:49:10 h36
27.09 50km RSACity2City Ultra Marathon 6:49:58 h1681
05.09 50km RSA23. Mont-Aux-Sources 50km Challenge 9:53:43 h273
11.07 52km RSA27th Rhodes 52 km Trail Run 8:27:47 h203
31.05 87km RSA90th Comrades Marathon - Up Run 11:42:51 h10405
18.04 50km RSA29th Loskop Ultra Marathon 50km 5:34:53 h2194
21.03 50km RSA25th Om Die Dam 50km 6:44:02 h2883
2014
12.07 52km RSA26th Rhodes 52 km Trail Run 7:45:04 h116
12.04 50km road race RSA28th Loskop Ultra Marathon 50km 6:15:14 h2518
15.03 50km RSA24th Om Die Dam 50km 6:39:43 h2867
2013
06.07 52km RSA25th Rhodes 52 km Trail Run 8:56:03 h267
20.04 50km road race RSA27th Loskop Ultra Marathon 50km 5:25:36 h1787
2012
03.06 89km road race RSA87th Comrades Marathon - Down Run 11:34:09 h9667
21.04 50km road race RSA26th Loskop Ultra Marathon 50km 5:44:09 h2202
2011
16.07 52km RSA23rd Rhodes 52 km Trail Run 8:52:47 h233
2009
18.07 52km RSA21st Rhodes 52 km Trail Run 8:49:37 h270
2008
13.09 50km RSA16. Mont-Aux-Sources 50km Challenge 8:33:29 h168
12.07 52km RSA20th Rhodes 52 km Trail Run 8:29:21 h208
2007
15.09 50km RSA15. Mont-Aux-Sources 50km Challenge 8:35:19 h123
14.07 52km RSA19th Rhodes 52 km Trail Run 8:37:00 h236
16.02 24h RSA24 hour Circuit Race 100.000 km26
2006
09.09 50km RSA14. Mont-Aux-Sources 50km Challenge 9:35:33 h244
26.08 12h RSA5th Akasia Dawn2Dusk 12h Run 83.000 km17
15.07 52km RSA18th Rhodes 52 km Trail Run 8:24:26 h262
2005
19.11 12h RSACoaldust Dreams Circuit Challenge 12 Hour 82.000 km6
16.07 52km RSA17th Rhodes 52 km Trail Run 7:19:33 h175
25.06 100mi USA32th Western States 100 Mile Endurance Run 27:59:00 h227
2004
17.07 52km RSA16th Rhodes 52 km Trail Run 8:07:47 h239
16.06 87km road race RSA79th Comrades Marathon - Up Run 10:28:34 h5531
10.04 56km road race RSA35th Two Oceans Marathon 6:04:49 h6087
20.03 50km road race RSA14th Om Die Dam 50km 5:28:33 h1813
13.03 56km RSA17th Xstrata Longtom Ultra Marathon 56km 6:20:25 h179
2003
16.06 89km road race RSA78th Comrades Marathon - Down Run 10:42:43 h7507
2002
16.03 50km road race RSA12th Om Die Dam 50km 5:39:56 h2145
2001
31.08 100mi RSA4th Midlands 100 Miler 24:24:45 h37
21.07 52km RSA13th Rhodes 52 km Trail Run 8:19:45 h239
16.06 89km road race RSA76th Comrades Marathon - Down Run 10:01:02 h5698
14.04 56km RSA32rd Two Oceans Marathon 5:19:20 h2329
01.04 48h RSA6. Six Day Circuit Race - 48h Split 210.000 km12
01.04 6d RSA6. Six Day Circuit Race 625.000 km7
17.03 50km RSA11th Om Die Dam 50km 5:26:33 h2091
2000
12.08 100mi RSA19th Golden Reef 100 Miler 23:21:11 h19
16.06 87km road race RSA75th Comrades Marathon - Up Run 8:48:20 h3132
22.04 56km RSA31st Two Oceans Marathon 4:46:52 h1255
26.03 24h RSA5. Six Day Circuit Race - 24h Split 119.500 km7
26.03 48h RSA5. Six Day Circuit Race - 48h Split 222.100 km5
26.03 6d RSA5. Six Day Circuit Race 603.700 km4
18.03 50km RSA10th Om Die Dam 50km 5:34:07 h3213
1999
31.07 12h RSA4th Longest Day 12 Hour Track Race 101.369 km7
16.06 89km RSA74th Comrades Marathon - Down Run 9:32:28 h4443
1998
28.08 100mi RSA1st Midlands 100 Miler 25:18:06 h45
16.06 87km RSA73rd Comrades Marathon - Up Run 10:20:25 h6568
06.04 48h RSA4. Six Day Circuit Race Ruimsig - 48h Split 207.000 km8
06.04 6d RSA4. Six Day Circuit Race Ruimsig 567.000 km5
1997
16.06 89km RSA72nd Comrades Marathon - Down Run 10:29:04 h8024