Ingo Frerk

Born : 1946 Cat. M80 Ultrarunner since 1978

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

69,9%

Rank quotient ?This runner's calculation uses 21 eligible race(s): Σ(rank − 1) = 78 259; Σ finishers = 112 033. 78 259 / 112 033 × 100 = 69.85%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed21

Km — ultra races1 534 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

21 race(s)

Date		Race	Perf.	Rk
1992
30.05	87km	67th Comrades Marathon - Up Run	10:12:27 h	6695
18.04	56km	23rd Two Oceans Marathon	5:04:02 h	2677
1990
14.04	56km	21st Two Oceans Marathon	4:49:00 h	2004
1989
25.03	56km	20th Two Oceans Marathon	4:59:28 h	1974
1988
31.05	87km	63rd Comrades Marathon - Up Run	10:49:39 h	9732
1987
31.05	87km	62nd Comrades Marathon - Up Run	10:56:04 h	8244
1986
31.05	89km	61st Comrades Marathon - Down Run	10:44:25 h	8847
29.03	56km	17th Two Oceans Marathon	5:26:21 h	3261
1985
31.05	88km	60th Comrades Marathon - Up Run	10:27:22 h	6409
06.04	56km	16th Two Oceans Marathon	5:07:32 h	2163
1984
01.06	90km	59th Comrades Marathon - Down Run	9:17:34 h	3438
21.04	56km	15th Two Oceans Marathon	4:48:20 h	1330
1983
31.05	88km	58th Comrades Marathon - Up Run	10:02:57 h	3760
02.04	56km	14th Two Oceans Marathon	5:24:29 h	1905
1982
31.05	91km	57th Comrades Marathon - Down Run	10:40:44 h	4222
1981
01.06	90km	56th Comrades Marathon - Up Run	10:54:57 h	3610
1980
31.05	90km	55th Comrades Marathon - Down Run	10:56:00 h	3964
05.04	56km	11th Two Oceans Marathon	5:24:05 h	1097
1979
31.05	87km	54th Comrades Marathon - Up Run	9:36:41 h	1842
14.04	56km	10th Two Oceans Marathon	5:03:22 h	612
1978
25.03	56km	9th Two Oceans Marathon	5:17:47 h	494

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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	31/5/1988	63rd Comrades Marathon - Up Run	87,00	×2
✓ 10	31/5/1987	62nd Comrades Marathon - Up Run	87,00	×2
✓ 11	31/5/1979	54th Comrades Marathon - Up Run	87,00	×2
✓ 12	18/4/1992	23rd Two Oceans Marathon	56,00	×1
✓ 13	14/4/1990	21st Two Oceans Marathon	56,00	×1
✓ 14	25/3/1989	20th Two Oceans Marathon	56,00	×1
✓ 15	29/3/1986	17th Two Oceans Marathon	56,00	×1
✓ 16	6/4/1985	16th Two Oceans Marathon	56,00	×1
✓ 17	21/4/1984	15th Two Oceans Marathon	56,00	×1
✓ 18	2/4/1983	14th Two Oceans Marathon	56,00	×1
✓ 19	5/4/1980	11th Two Oceans Marathon	56,00	×1
✓ 20	14/4/1979	10th Two Oceans Marathon	56,00	×1
✓ 21	25/3/1978	9th Two Oceans Marathon	56,00	×1