Ferdinand Grobler
Born : 1958 Cat. M65 Ultrarunner since 1998 RSA
40
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
21,7%
Rank quotient ?This runner's calculation uses 40 eligible race(s): Σ(rank − 1) = 32 007; Σ finishers = 147 603. 32 007 / 147 603 × 100 = 21.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed40
Km — ultra races2 383 km
Longest race89,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Records

HISTORY

40 race(s)
DateRacePerf.Rk
2013
27.04 50km RSA30th Bay Ultra 50 km 4:43:13 h77
2012
03.03 50km RSA29th Bay Ultra 50 km 4:40:49 h68
2010
24.04 50km RSA32nd Bruintjieshoogte Ultra Marathon 50km 4:44:49 h61
27.02 50km RSA27th Bay Ultra 50 km 4:58:32 h172
2009
19.09 50km RSABay to Bay 50 km Challenge 4:15:52 h5
2008
19.04 60km RSAClover Settlers 60 km Ultra 4:47:39 h40
01.03 50km RSA30th Bruintjieshoogte Ultra Marathon 50km 4:06:03 h15
09.02 50km RSA25th Bay Ultra 50 km 3:53:02 h36
2007
12.05 50km RSA24th Bay Ultra 50 km 3:50:55 h37
28.04 60km RSAClover Settlers 60 km Ultra 4:48:35 h48
2006
29.04 60km RSAClover Settlers 60 km Ultra 5:17:16 h36
11.03 50km RSA28th Bruintjieshoogte Ultra Marathon 50km 4:07:32 h29
2005
30.04 60km RSAClover Settlers 60 km Ultra 4:38:19 h46
26.03 56km road race RSA36th Two Oceans Marathon 4:41:22 h875
05.03 50km RSA27th Bruintjieshoogte Ultra Marathon 50km 3:50:04 h9
19.02 50km RSA23rd Bay Ultra 50 km 3:49:08 h29
2004
16.06 87km road race RSA79th Comrades Marathon - Up Run 7:51:52 h754
01.05 60km RSAClover Settlers 60 km Ultra 5:19:14 h39
10.04 56km road race RSA35th Two Oceans Marathon 4:24:45 h684
13.03 50km RSA26th Bruintjieshoogte Ultra Marathon 50km 3:46:18 h17
21.02 50km RSA22nd Bay Ultra 50 km 3:46:18 h57
2003
16.06 89km road race RSA78th Comrades Marathon - Down Run 7:50:10 h981
03.05 60km RSASpar to Spart Settlers 60 km Ultra 4:43:32 h47
19.04 56km road race RSA34th Two Oceans Marathon 4:32:10 h693
15.03 50km RSA25th Bruintjieshoogte Ultra Marathon 50km 3:49:12 h17
22.02 50km RSA21st Bay Ultra 50 km 3:43:29 h47
2002
17.06 87km road race RSA77th Comrades Marathon - Up Run 7:29:54 h583
30.03 56km RSA33rd Two Oceans Marathon 4:24:37 h542
09.02 50km RSA24th Bruintjieshoogte Ultra Marathon 50km 3:47:47 h25
2001
16.06 89km road race RSA76th Comrades Marathon - Down Run 8:05:55 h1332
14.04 56km RSA32rd Two Oceans Marathon 4:12:02 h383
2000
16.06 87km road race RSA75th Comrades Marathon - Up Run 7:33:24 h758
13.05 60km RSABlue Ink Settlers 60 km Marathon 4:54:13 h38
22.04 56km RSA31st Two Oceans Marathon 4:36:14 h898
18.03 50km RSA22nd Bruintjieshoogte Ultra Marathon 50km 3:56:14 h32
19.02 50km RSA19th Bay Ultra 50 km 4:03:45 h96
1999
16.06 89km RSA74th Comrades Marathon - Down Run 9:52:37 h5534
03.04 56km RSA30th Two Oceans Marathon 5:46:31 h4592
1998
16.06 87km RSA73rd Comrades Marathon - Up Run 10:23:58 h6784
11.04 56km RSA29th Two Oceans Marathon 5:50:06 h5531