Alvin King

ID 19666

Born : 1943 Cat. M80 Ultrarunner since 1969

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

27,3%

Rank quotient ?This runner's calculation uses 21 eligible race(s): Σ(rank − 1) = 29 134; Σ finishers = 106 595. 29 134 / 106 595 × 100 = 27.33%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed21

Km — ultra races1 831 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)

Road100,0%

Records

No record for a classic ultra format

HISTORY

21 race(s)

Date		Race	Perf.	Rk
1992
30.05	87km	67th Comrades Marathon - Up Run	9:10:49 h	3467
1991
31.05	89km	66th Comrades Marathon - Down Run	8:42:28 h	3088
1990
31.05	87km road race	65th Comrades Marathon - Up Run	9:59:17 h	6027
1989
31.05	89km	64th Comrades Marathon - Down Run	9:11:51 h	3608
1988
31.05	87km	63rd Comrades Marathon - Up Run	7:52:20 h	1353
1986
31.05	89km	61st Comrades Marathon - Down Run	9:32:55 h	5115
1985
31.05	88km	60th Comrades Marathon - Up Run	8:56:56 h	2594
1984
01.06	90km	59th Comrades Marathon - Down Run	7:38:58 h	1023
1983
31.05	88km	58th Comrades Marathon - Up Run	7:09:04 h	251
1982
31.05	91km	57th Comrades Marathon - Down Run	6:57:13 h	175
1980
31.05	90km	55th Comrades Marathon - Down Run	7:18:00 h	412
1979
31.05	87km	54th Comrades Marathon - Up Run	7:53:35 h	509
1978
31.05	90km	53rd Comrades Marathon - Down Run	6:53:00 h	106
25.03	56km	9th Two Oceans Marathon	4:07:51 h	93
1977
31.05	89km	52nd Comrades Marathon - Up Run	6:43:00 h	38
1976
31.05	90km	51st Comrades Marathon - Down Run	6:36:00 h	41
1975
31.05	87km	50th Comrades Marathon - Up Run	7:07:00 h	104
1973
01.06	88km	48th Comrades Marathon - Down Run	6:48:00 h	66
1971
31.05	92km	46th Comrades Marathon - Down Run	7:35:34 h	132
1970
30.05	87km	45th Comrades Marathon - Up Run	9:46:54 h	410
1969
31.05	90km	44th Comrades Marathon - Down Run	10:39:33 h	543

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	31/5/1971	46th Comrades Marathon - Down Run	92,00	×2
✓ 2	31/5/1982	57th Comrades Marathon - Down Run	91,00	×2
✓ 3	1/6/1984	59th Comrades Marathon - Down Run	90,00	×2
✓ 4	31/5/1980	55th Comrades Marathon - Down Run	90,00	×2
✓ 5	31/5/1978	53rd Comrades Marathon - Down Run	90,00	×2
✓ 6	31/5/1976	51st Comrades Marathon - Down Run	90,00	×2
✓ 7	31/5/1969	44th Comrades Marathon - Down Run	90,00	×2
✓ 8	31/5/1991	66th Comrades Marathon - Down Run	89,00	×2
✓ 9	31/5/1989	64th Comrades Marathon - Down Run	89,00	×2
✓ 10	31/5/1986	61st Comrades Marathon - Down Run	89,00	×2
✓ 11	31/5/1977	52nd Comrades Marathon - Up Run	89,00	×2
✓ 12	31/5/1985	60th Comrades Marathon - Up Run	88,00	×2
✓ 13	31/5/1983	58th Comrades Marathon - Up Run	88,00	×2
✓ 14	1/6/1973	48th Comrades Marathon - Down Run	88,00	×2
✓ 15	30/5/1992	67th Comrades Marathon - Up Run	87,00	×2
✓ 16	31/5/1990	65th Comrades Marathon - Up Run (RSA)	87,00	×2
✓ 17	31/5/1988	63rd Comrades Marathon - Up Run	87,00	×2
✓ 18	31/5/1979	54th Comrades Marathon - Up Run	87,00	×2
✓ 19	31/5/1975	50th Comrades Marathon - Up Run	87,00	×2
✓ 20	30/5/1970	45th Comrades Marathon - Up Run	87,00	×2
✓ 21	25/3/1978	9th Two Oceans Marathon	56,00	×1