Louis van Biljon
ID 172728
Born : 1958 Cat. M65 Ultrarunner since 1985 RSA
33
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
1
Countries visited ?RSASouth Africa
80,0%
Rank quotient ?This runner's calculation uses 33 eligible race(s): Σ(rank − 1) = 173 690; Σ finishers = 217 215. 173 690 / 217 215 × 100 = 79.96%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed33
Km — ultra races2 096 km
Longest race90,0 km
93rd Comrades Marathon - Down Run — 10/6/2018

Km per year (ultra races)

50
1 race
2022
52
1 race
2023
100
2 races
2024
56
1 race
2025
56
1 race
2026

Race types (share of distance)

Road90,1%
Trail9,9%

Records

50 km5h12'3350 mi10h27'56

HISTORY

33 race(s) · 3 split(s) nested
DateRacePerf.Rk
2026
05.04 56km RSA56th Two Oceans Marathon 6:59:36 h10594
2025
06.04 56km RSA55th Two Oceans Marathon 6:58:53 h10641
2024
20.04 50km RSA35th Loskop Ultra Marathon 50km 5:48:15 h1229
16.03 50km RSA33th Om Die Dam 50km 6:25:59 h2313
2023
08.07 52km RSA33th Rhodes 52 km Trail Run 7:24:43 h133
2022
11.06 50km RSA31th Om Die Dam 50km 6:18:53 h3036
2019
09.06 87km RSA94th Comrades Marathon - Up Run 11:20:50 h11322
20.04 56km RSA50th Two Oceans Marathon 6:38:42 h7950
16.03 50km RSA29th Om Die Dam 50km 6:01:48 h2101
2018
10.06 90km RSA93rd Comrades Marathon - Down Run 11:39:06 h13628
21.04 50km RSA32th Loskop Ultra Marathon 50km 6:06:14 h2916
08.04 48km RSAModern Athlete Irene Ultra 5:46:22 h2015
2017
22.04 50km RSA31th Loskop Ultra Marathon 50km 5:32:32 h1899
2016
09.07 52km RSA28th Rhodes 52 km Trail Run 8:49:06 h232
16.04 50km RSA30th Loskop Ultra Marathon 50km 5:36:58 h1988
2015
11.07 52km RSA27th Rhodes 52 km Trail Run 8:28:44 h209
31.05 87km RSA90th Comrades Marathon - Up Run 11:31:00 h9356
18.04 50km RSA29th Loskop Ultra Marathon 50km 5:38:47 h2268
21.03 50km RSA25th Om Die Dam 50km 6:17:24 h2417
2013
02.06 87km road race RSA88th Comrades Marathon - Up Run 11:49:18 h8811
20.04 50km road race RSA27th Loskop Ultra Marathon 50km 5:12:33 h1465
2012
03.06 89km road race RSA87th Comrades Marathon - Down Run 11:46:32 h10687
21.04 50km road race RSA26th Loskop Ultra Marathon 50km 5:21:22 h1666
2011
16.07 52km RSA23rd Rhodes 52 km Trail Run 8:33:38 h182
2010
11.09 80km RSA40th Laingsburg Karoo Ultra-Marathon 10:27:56 h88
2004
10.04 56km road race RSA35th Two Oceans Marathon 6:42:43 h7914
2003
16.06 89km road race RSA78th Comrades Marathon - Down Run 11:31:19 h9943
2000
16.06 87km road race RSA75th Comrades Marathon - Up Run 11:46:46 h17821
18.03 50km RSA10th Om Die Dam 50km 6:13:24 h4718
1988
31.05 87km RSA63rd Comrades Marathon - Up Run 10:00:03 h6436
1986
31.05 89km RSA61st Comrades Marathon - Down Run 10:28:12 h7983
29.03 56km RSA17th Two Oceans Marathon 5:36:57 h3700
1985
31.05 88km RSA60th Comrades Marathon - Up Run 10:21:21 h6062