Ed Jonker

ID 200043

Born : 1942 Cat. M80 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 ?

Germany

Netherlands

70,1%

Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 498; Σ finishers = 710. 498 / 710 × 100 = 70.14%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed8

Km — ultra races644 km

Longest race100,0 km

6. RUN Winschoten 100 km — 12/9/1981

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road62,1%

Trail37,9%

Records

100 km9h51'59

HISTORY

8 race(s)

Date		Race	Perf.	Rk
1984
04.11	61km	7e Schipholloop	5:27:29 h	97
1983
06.11	61km	6e Schipholloop	4:56:57 h	57
1982
07.11	61km	5e Schipholloop	5:24:24 h	81
1981
12.09	100km	6. RUN Winschoten 100 km	11:07:59 h	54
1980
13.09	100km	5. RUN Winschoten 100 km	9:56:10 h	36
1979
04.11	61km	2e Schipholloop	5:41:57 h	64
20.10	100km	4. 100-km-Lauf Hamm-Heessen	9:51:59 h	52
08.09	100km	4. RUN Winschoten 100 km	11:39:00 h	65

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	12/9/1981	6. RUN Winschoten 100 km	100,00	×4
✓ 2	13/9/1980	5. RUN Winschoten 100 km	100,00	×4
✓ 3	20/10/1979	4. 100-km-Lauf Hamm-Heessen	100,00	×4
✓ 4	8/9/1979	4. RUN Winschoten 100 km	100,00	×4
✓ 5	4/11/1984	7e Schipholloop	61,00	×2
✓ 6	6/11/1983	6e Schipholloop	61,00	×2
✓ 7	7/11/1982	5e Schipholloop	61,00	×2
✓ 8	4/11/1979	2e Schipholloop	61,00	×2