Johan Vorster

Born : 1952 Cat. M70 Ultrarunner since 1980

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

South Africa

6,9%

Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 9 017; Σ finishers = 131 556. 9 017 / 131 556 × 100 = 6.85%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20

Km — ultra races1 478 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)

Road100,0%

Records

No record for a classic ultra format

HISTORY

20 race(s)

Date		Race	Perf.	Rk
2004
10.04	56km road race	35th Two Oceans Marathon	5:04:34 h	1980
2003
19.04	56km road race	34th Two Oceans Marathon	5:24:45 h	2351
2002
30.03	56km	33rd Two Oceans Marathon	5:22:57 h	2233
1993
10.04	56km	24th Two Oceans Marathon	3:56:50 h	357
1992
30.05	87km	67th Comrades Marathon - Up Run	6:45:17 h	161
1990
31.05	87km road race	65th Comrades Marathon - Up Run	6:30:08 h	74
14.04	56km	21st Two Oceans Marathon	3:54:14 h	274
1988
31.05	87km	63rd Comrades Marathon - Up Run	6:13:43 h	36
02.04	56km	19th Two Oceans Marathon	3:45:57 h	98
1987
31.05	87km	62nd Comrades Marathon - Up Run	6:19:27 h	34
1986
31.05	89km	61st Comrades Marathon - Down Run	6:11:51 h	43
29.03	56km	17th Two Oceans Marathon	3:44:18 h	86
1985
31.05	88km	60th Comrades Marathon - Up Run	6:48:01 h	106
1984
01.06	90km	59th Comrades Marathon - Down Run	6:24:56 h	69
1983
31.05	88km	58th Comrades Marathon - Up Run	6:56:29 h	155
1982
31.05	91km	57th Comrades Marathon - Down Run	7:06:16 h	242
10.04	56km	13th Two Oceans Marathon	3:53:23 h	140
1981
01.06	90km	56th Comrades Marathon - Up Run	7:09:05 h	210
1980
31.05	90km	55th Comrades Marathon - Down Run	7:08:00 h	283
05.04	56km	11th Two Oceans Marathon	3:54:29 h	105

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	31/5/1982	57th Comrades Marathon - Down Run	91,00	×2
✓ 2	1/6/1984	59th Comrades Marathon - Down Run	90,00	×2
✓ 3	1/6/1981	56th Comrades Marathon - Up Run	90,00	×2
✓ 4	31/5/1980	55th Comrades Marathon - Down Run	90,00	×2
✓ 5	31/5/1986	61st Comrades Marathon - Down Run	89,00	×2
✓ 6	31/5/1985	60th Comrades Marathon - Up Run	88,00	×2
✓ 7	31/5/1983	58th Comrades Marathon - Up Run	88,00	×2
✓ 8	30/5/1992	67th Comrades Marathon - Up Run	87,00	×2
✓ 9	31/5/1990	65th Comrades Marathon - Up Run (RSA)	87,00	×2
✓ 10	31/5/1988	63rd Comrades Marathon - Up Run	87,00	×2
✓ 11	31/5/1987	62nd Comrades Marathon - Up Run	87,00	×2
✓ 12	10/4/2004	35th Two Oceans Marathon (RSA)	56,00	×1
✓ 13	19/4/2003	34th Two Oceans Marathon (RSA)	56,00	×1
✓ 14	30/3/2002	33rd Two Oceans Marathon	56,00	×1
✓ 15	10/4/1993	24th Two Oceans Marathon	56,00	×1
✓ 16	14/4/1990	21st Two Oceans Marathon	56,00	×1
✓ 17	2/4/1988	19th Two Oceans Marathon	56,00	×1
✓ 18	29/3/1986	17th Two Oceans Marathon	56,00	×1
✓ 19	10/4/1982	13th Two Oceans Marathon	56,00	×1
✓ 20	5/4/1980	11th Two Oceans Marathon	56,00	×1