Johann Postma
ID 50192
Born : 1965 Cat. M60 Ultrarunner since 1997 RSA
30
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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
33,6%
Rank quotient ?This runner's calculation uses 30 eligible race(s): Σ(rank − 1) = 35 903; Σ finishers = 106 890. 35 903 / 106 890 × 100 = 33.59%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed30
Km — ultra races1 791 km
Longest race89,0 km
74th Comrades Marathon - Down Run — 16/6/1999

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road92,9%
Trail7,1%

Records

50 km3h48'43

HISTORY

31 race(s)
DateRacePerf.Rk
2019
09.02 50km RSABay Ultra 50 km 4:23:59 h79
2018
07.07 52km RSA30th Rhodes 52 km Trail Run 7:46:11 h71
2014
01.03 76km RSA10th Addo Elephant 50 Mile Trail Run 11:17:36 h9
2013
02.06 87km road race RSA88th Comrades Marathon - Up Run 10:33:34 h4401
23.02 50km RSA35th Bruintjieshoogte Ultra Marathon 50km 4:46:45 h34
2011
23.04 50km road race RSA42nd Two Oceans Marathon - 50km Split 4:17:40 h938
19.03 50km RSA33rd Bruintjieshoogte Ultra Marathon 50km 4:27:48 h46
2010
27.02 50km RSA27th Bay Ultra 50 km 4:27:24 h88
2009
14.03 50km RSA31st Bruintjieshoogte Ultra Marathon 50km 4:13:56 h23
21.02 50km RSA26th Bay Ultra 50 km 4:24:02 h68
2007
12.05 50km RSA24th Bay Ultra 50 km 4:15:32 h64
28.04 60km RSAClover Settlers 60 km Ultra 4:57:42 h66
2006
29.04 60km RSAClover Settlers 60 km Ultra 6:38:04 h113
11.03 50km RSA28th Bruintjieshoogte Ultra Marathon 50km 4:38:57 h54
2005
26.03 56km road race RSA36th Two Oceans Marathon 5:42:29 h3268
19.02 50km RSA23rd Bay Ultra 50 km 4:28:09 h84
2004
16.06 87km road race RSA79th Comrades Marathon - Up Run 10:09:19 h4650
01.05 60km RSAClover Settlers 60 km Ultra 6:06:12 h86
2003
19.04 56km road race RSA34th Two Oceans Marathon 4:48:00 h1056
22.02 50km RSA21st Bay Ultra 50 km 3:48:43 h59
2002
17.06 87km road race RSA77th Comrades Marathon - Up Run 9:47:01 h4141
30.03 56km RSA33rd Two Oceans Marathon 5:10:44 h1724
23.02 50km RSA20th Bay Ultra 50 km 4:19:45 h125
09.02 50km RSA24th Bruintjieshoogte Ultra Marathon 50km 4:56:19 h102
2000
16.06 87km road race RSA75th Comrades Marathon - Up Run 10:20:50 h8482
13.05 60km RSABlue Ink Settlers 60 km Marathon 5:56:48 h149
22.04 56km RSA31st Two Oceans Marathon 5:05:19 h2077
18.03 50km RSA22nd Bruintjieshoogte Ultra Marathon 50km 4:29:49 h82
1999
16.06 89km RSA74th Comrades Marathon - Down Run 8:15:55 h1639
03.04 56km RSA30th Two Oceans Marathon 4:21:03 h547
1997
29.03 56km RSA28th Two Oceans Marathon 5:10:15 h2546