Korky Rous

Ultrarunner since 1974

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

36,1%

Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 1 409; Σ finishers = 3 908. 1 409 / 3 908 × 100 = 36.05%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed6

Km — ultra races336 km

Longest race56,0 km

11th Two Oceans Marathon — 5/4/1980

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

6 race(s)

Date		Race	Perf.	Rk
1980
05.04	56km	11th Two Oceans Marathon	4:23:39 h	340
1979
14.04	56km	10th Two Oceans Marathon	4:47:28 h	456
1978
25.03	56km	9th Two Oceans Marathon	4:32:00 h	194
1977
09.04	56km	8th Two Oceans Marathon	4:31:21 h	170
1976
17.04	56km	7th Two Oceans Marathon	4:47:38 h	191
1974
13.04	56km	5th Two Oceans Marathon	4:45:38 h	64

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	5/4/1980	11th Two Oceans Marathon	56,00	×3
✓ 2	14/4/1979	10th Two Oceans Marathon	56,00	×3
✓ 3	25/3/1978	9th Two Oceans Marathon	56,00	×3
✓ 4	9/4/1977	8th Two Oceans Marathon	56,00	×3
✓ 5	17/4/1976	7th Two Oceans Marathon	56,00	×3
✓ 6	13/4/1974	5th Two Oceans Marathon	56,00	×3