Boet van Zyl
ID 422659
Born : 1942 Cat. M80 Ultrarunner since 1979 RSA
41
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
44
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
74,6%
Rank quotient ?This runner's calculation uses 41 eligible race(s): Σ(rank − 1) = 191 612; Σ finishers = 256 763. 191 612 / 256 763 × 100 = 74.63%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed41
Km — ultra races2 757 km
Longest race91,0 km
57th Comrades Marathon - Down Run — 31/5/1982

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road89,3%
Trail10,7%

Records

50 mi12h03'52

HISTORY

41 race(s) · 2 split(s) nested
DateRacePerf.Rk
2016
26.03 56km RSA47th Two Oceans Marathon 6:53:24 h8325
2015
04.04 56km RSA46th Two Oceans Marathon 6:57:11 h8393
2005
26.03 56km road race RSA36th Two Oceans Marathon 6:55:06 h6854
2003
19.04 56km road race RSA34th Two Oceans Marathon 6:46:23 h5914
2001
12.08 80km RSA7th PUFfeR - Peninsula Ultra Fun Run 15:04:57 h73
14.04 56km RSA32rd Two Oceans Marathon 6:36:05 h6307
2000
13.08 80km RSA6th PUFfeR - Peninsula Ultra Fun Run 12:03:52 h56
16.06 87km road race RSA75th Comrades Marathon - Up Run 11:50:17 h18538
22.04 56km RSA31st Two Oceans Marathon 6:11:26 h6716
1999
01.11 55km RSA3rd Three Peaks Challenge 11:38:11 h33
14.08 80km RSA5th PUFfeR - Peninsula Ultra Fun Run 12:50:17 h73
16.06 89km RSA74th Comrades Marathon - Down Run 10:52:54 h10528
03.04 56km RSA30th Two Oceans Marathon 6:11:35 h6351
1998
11.04 56km RSA29th Two Oceans Marathon 6:26:20 h7355
1996
06.04 56km RSA27th Two Oceans Marathon 5:53:31 h6365
1995
15.04 56km RSA26th Two Oceans Marathon 5:58:16 h6238
1994
02.04 56km RSA25th Two Oceans Marathon 5:45:07 h5649
1993
10.04 56km RSA24th Two Oceans Marathon 5:57:20 h7001
1992
30.05 87km RSA67th Comrades Marathon - Up Run 10:40:47 h8901
18.04 56km RSA23rd Two Oceans Marathon 5:55:10 h6755
1991
31.05 89km RSA66th Comrades Marathon - Down Run 10:45:56 h10643
30.03 56km RSA22nd Two Oceans Marathon 5:52:42 h6128
1990
31.05 87km road race RSA65th Comrades Marathon - Up Run 10:02:22 h6142
14.04 56km RSA21st Two Oceans Marathon 5:13:47 h3424
1989
31.05 89km RSA64th Comrades Marathon - Down Run 9:26:15 h4234
25.03 56km RSA20th Two Oceans Marathon 5:47:36 h4794
1988
02.04 56km RSA19th Two Oceans Marathon 5:54:15 h5403
1987
31.05 87km RSA62nd Comrades Marathon - Up Run 10:02:58 h4887
18.04 56km RSA18th Two Oceans Marathon 5:05:34 h2333
1986
31.05 89km RSA61st Comrades Marathon - Down Run 8:42:02 h2980
29.03 56km RSA17th Two Oceans Marathon 4:46:43 h1562
1985
06.04 56km RSA16th Two Oceans Marathon 4:58:41 h1887
1984
01.06 90km RSA59th Comrades Marathon - Down Run 7:56:14 h1328
21.04 56km RSA15th Two Oceans Marathon 4:27:31 h739
1983
02.04 56km RSA14th Two Oceans Marathon 4:41:02 h892
1982
31.05 91km RSA57th Comrades Marathon - Down Run 8:24:37 h1321
10.04 56km RSA13th Two Oceans Marathon 4:55:32 h1097
1980
31.05 90km RSA55th Comrades Marathon - Down Run 9:22:00 h2318
05.04 56km RSA11th Two Oceans Marathon 4:28:34 h410
1979
31.05 87km RSA54th Comrades Marathon - Up Run 9:55:33 h2137
14.04 56km RSA10th Two Oceans Marathon 4:58:44 h569