John Knobel
Born : 1955 Cat. M70 Ultrarunner since 1978 RSA
42
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
45
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
30,5%
Rank quotient ?This runner's calculation uses 42 eligible race(s): Σ(rank − 1) = 89 993; Σ finishers = 294 599. 89 993 / 294 599 × 100 = 30.55%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed42
Km — ultra races3 150 km
Longest race91,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road96,8%
Trail3,2%

Records

HISTORY

42 race(s)
DateRacePerf.Rk
2003
16.06 89km road race RSA78th Comrades Marathon - Down Run 9:39:36 h4354
2002
17.06 87km road race RSA77th Comrades Marathon - Up Run 10:39:17 h6857
2001
16.06 89km road race RSA76th Comrades Marathon - Down Run 10:06:33 h5922
2000
16.06 87km road race RSA75th Comrades Marathon - Up Run 8:53:36 h3528
1999
16.06 89km RSA74th Comrades Marathon - Down Run 9:25:47 h4113
1998
16.06 87km RSA73rd Comrades Marathon - Up Run 10:38:23 h7943
1997
16.06 89km RSA72nd Comrades Marathon - Down Run 9:18:35 h3840
1996
17.06 87km RSA71st Comrades Marathon - Up Run 9:13:47 h3782
1995
02.09 50km RSA3. Mont-Aux-Sources 50km Challenge 5:28:34 h13
20.05 89km RSA70th Comrades Marathon - Down Run 10:26:27 h6849
15.04 56km RSA26th Two Oceans Marathon 5:42:13 h4970
1994
03.09 50km RSA2. Mont-Aux-Sources 50km Challenge 5:15:57 h10
31.05 87km RSA69th Comrades Marathon - Up Run 10:25:45 h7020
02.04 56km RSA25th Two Oceans Marathon 5:43:30 h5499
1993
31.05 89km RSA68th Comrades Marathon - Down Run 10:38:42 h9173
1992
30.05 87km RSA67th Comrades Marathon - Up Run 7:20:33 h572
18.04 56km RSA23rd Two Oceans Marathon 4:15:39 h594
1991
31.05 89km RSA66th Comrades Marathon - Down Run 7:16:13 h667
30.03 56km RSA22nd Two Oceans Marathon 4:35:49 h1149
1990
31.05 87km road race RSA65th Comrades Marathon - Up Run 7:18:35 h547
14.04 56km RSA21st Two Oceans Marathon 3:59:54 h456
1989
31.05 89km RSA64th Comrades Marathon - Down Run 8:43:11 h2540
1988
31.05 87km RSA63rd Comrades Marathon - Up Run 6:59:08 h296
02.04 56km RSA19th Two Oceans Marathon 4:00:20 h362
1987
31.05 87km RSA62nd Comrades Marathon - Up Run 7:14:54 h382
18.04 56km RSA18th Two Oceans Marathon 3:58:07 h272
1986
31.05 89km RSA61st Comrades Marathon - Down Run 7:08:26 h540
29.03 56km RSA17th Two Oceans Marathon 3:57:54 h311
1985
06.04 56km RSA16th Two Oceans Marathon 4:19:44 h627
1984
01.06 90km RSA59th Comrades Marathon - Down Run 8:07:50 h1498
21.04 56km RSA15th Two Oceans Marathon 3:53:39 h180
1983
31.05 88km RSA58th Comrades Marathon - Up Run 7:10:35 h271
02.04 56km RSA14th Two Oceans Marathon 4:09:11 h344
1982
31.05 91km RSA57th Comrades Marathon - Down Run 7:17:41 h393
1981
01.06 90km RSA56th Comrades Marathon - Up Run 9:45:55 h2318
18.04 56km RSA12th Two Oceans Marathon 3:55:54 h164
1980
31.05 90km RSA55th Comrades Marathon - Down Run 7:12:00 h309
05.04 56km RSA11th Two Oceans Marathon 3:58:54 h146
1979
31.05 87km RSA54th Comrades Marathon - Up Run 7:23:20 h284
14.04 56km RSA10th Two Oceans Marathon 4:08:19 h160
1978
31.05 90km RSA53rd Comrades Marathon - Down Run 7:45:00 h504
25.03 56km RSA9th Two Oceans Marathon 4:44:14 h276