Havoc Hayward

Born : 1948 Cat. M75 Ultrarunner since 1979

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

38,2%

Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 34 899; Σ finishers = 91 424. 34 899 / 91 424 × 100 = 38.17%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed18

Km — ultra races1 135 km

Longest race90,0 km

55th Comrades Marathon - Down Run — 31/5/1980

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

18 race(s)

Date		Race	Perf.	Rk
1998
16.06	87km	73rd Comrades Marathon - Up Run	8:53:26 h	2447
11.04	56km	29th Two Oceans Marathon	4:47:54 h	1384
1994
02.04	56km	25th Two Oceans Marathon	5:28:20 h	4206
1991
30.03	56km	22nd Two Oceans Marathon	4:57:43 h	2193
1990
14.04	56km	21st Two Oceans Marathon	4:28:12 h	1066
1989
25.03	56km	20th Two Oceans Marathon	4:43:13 h	1229
1988
31.05	87km	63rd Comrades Marathon - Up Run	8:47:46 h	2900
02.04	56km	19th Two Oceans Marathon	4:56:27 h	2004
1987
18.04	56km	18th Two Oceans Marathon	4:47:54 h	1519
1986
29.03	56km	17th Two Oceans Marathon	4:41:13 h	1378
1985
06.04	56km	16th Two Oceans Marathon	4:52:28 h	1616
1984
21.04	56km	15th Two Oceans Marathon	5:26:04 h	2411
1983
02.04	56km	14th Two Oceans Marathon	5:25:03 h	1917
1981
18.04	56km	12th Two Oceans Marathon	5:16:54 h	1171
1980
31.05	90km	55th Comrades Marathon - Down Run	9:54:00 h	2949
05.04	56km	11th Two Oceans Marathon	5:07:07 h	891
1979
31.05	87km	54th Comrades Marathon - Up Run	10:46:51 h	2745
14.04	56km	10th Two Oceans Marathon	5:34:16 h	891

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	31/5/1980	55th Comrades Marathon - Down Run	90,00	×3
✓ 2	16/6/1998	73rd Comrades Marathon - Up Run	87,00	×3
✓ 3	31/5/1988	63rd Comrades Marathon - Up Run	87,00	×3
✓ 4	31/5/1979	54th Comrades Marathon - Up Run	87,00	×3
✓ 5	11/4/1998	29th Two Oceans Marathon	56,00	×2
✓ 6	2/4/1994	25th Two Oceans Marathon	56,00	×2
✓ 7	30/3/1991	22nd Two Oceans Marathon	56,00	×2
✓ 8	14/4/1990	21st Two Oceans Marathon	56,00	×2
✓ 9	25/3/1989	20th Two Oceans Marathon	56,00	×2
✓ 10	2/4/1988	19th Two Oceans Marathon	56,00	×2
✓ 11	18/4/1987	18th Two Oceans Marathon	56,00	×2
✓ 12	29/3/1986	17th Two Oceans Marathon	56,00	×2
✓ 13	6/4/1985	16th Two Oceans Marathon	56,00	×2
✓ 14	21/4/1984	15th Two Oceans Marathon	56,00	×2
✓ 15	2/4/1983	14th Two Oceans Marathon	56,00	×2
✓ 16	18/4/1981	12th Two Oceans Marathon	56,00	×2
✓ 17	5/4/1980	11th Two Oceans Marathon	56,00	×2
✓ 18	14/4/1979	10th Two Oceans Marathon	56,00	×2