John Bush
ID 417098
Born : 1952 Cat. M70 Ultrarunner since 1971 RSA
38
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
34,8%
Rank quotient ?This runner's calculation uses 38 eligible race(s): Σ(rank − 1) = 74 283; Σ finishers = 213 635. 74 283 / 213 635 × 100 = 34.77%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed38
Km — ultra races2 881 km
Longest race92,0 km
46th Comrades Marathon - Down Run — 31/5/1971

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road94,3%
Trail5,7%

Records

No record for a classic ultra format

HISTORY

38 race(s) · 2 split(s) nested
DateRacePerf.Rk
2014
01.06 89km RSA89th Comrades Marathon - Down Run 10:42:27 h6206
18.04 56km road race RSA45th Two Oceans Marathon 5:39:47 h2765
2013
30.03 56km road race RSA44th Two Oceans Marathon 5:25:02 h2283
2008
08.11 55km RSA12th Three Peaks Challenge 9:30:44 h59
2007
03.11 55km RSA11th Three Peaks Challenge 10:18:18 h39
2006
04.11 55km RSA10th Three Peaks Challenge 9:24:02 h34
2005
26.03 56km road race RSA36th Two Oceans Marathon 5:26:35 h2446
2004
16.06 87km road race RSA79th Comrades Marathon - Up Run 9:21:18 h2935
10.04 56km road race RSA35th Two Oceans Marathon 5:09:00 h2176
2003
16.06 89km road race RSA78th Comrades Marathon - Down Run 9:49:08 h4784
19.04 56km road race RSA34th Two Oceans Marathon 5:42:17 h3196
2001
14.04 56km RSA32rd Two Oceans Marathon 5:35:17 h3216
1999
16.06 89km RSA74th Comrades Marathon - Down Run 9:06:30 h3289
03.04 56km RSA30th Two Oceans Marathon 5:53:40 h5302
1998
16.06 87km RSA73rd Comrades Marathon - Up Run 9:53:06 h4988
11.04 56km RSA29th Two Oceans Marathon 5:20:17 h3073
1997
16.06 89km RSA72nd Comrades Marathon - Down Run 9:14:32 h3666
1996
17.06 87km RSA71st Comrades Marathon - Up Run 8:49:40 h2859
1995
20.05 89km RSA70th Comrades Marathon - Down Run 8:22:59 h1681
1993
31.05 89km RSA68th Comrades Marathon - Down Run 7:11:36 h510
1990
14.04 56km RSA21st Two Oceans Marathon 5:09:36 h3165
1989
25.03 56km RSA20th Two Oceans Marathon 4:28:38 h771
1984
01.06 90km RSA59th Comrades Marathon - Down Run 8:54:54 h2780
1983
31.05 88km RSA58th Comrades Marathon - Up Run 9:28:42 h2787
1982
31.05 91km RSA57th Comrades Marathon - Down Run 9:23:34 h2528
1981
01.06 90km RSA56th Comrades Marathon - Up Run 9:47:53 h2344
1980
31.05 90km RSA55th Comrades Marathon - Down Run 8:47:00 h1682
05.04 56km RSA11th Two Oceans Marathon 4:22:09 h315
1979
31.05 87km RSA54th Comrades Marathon - Up Run 7:39:07 h405
1978
31.05 90km RSA53rd Comrades Marathon - Down Run 8:34:00 h951
25.03 56km RSA9th Two Oceans Marathon 4:42:51 h266
1977
31.05 89km RSA52nd Comrades Marathon - Up Run 7:08:00 h101
1976
31.05 90km RSA51st Comrades Marathon - Down Run 6:38:00 h43
1975
31.05 87km RSA50th Comrades Marathon - Up Run 7:07:00 h105
1974
31.05 87km RSA49th Comrades Marathon - Up Run 7:59:00 h220
1973
01.06 88km RSA48th Comrades Marathon - Down Run 6:30:00 h40
1972
03.06 90km RSA47th Comrades Marathon - Up Run 7:47:05 h125
1971
31.05 92km RSA46th Comrades Marathon - Down Run 7:49:49 h186