Andre Koeslag

Born : 1954 Cat. M70 Ultrarunner since 1998

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 ?

Netherlands

Switzerland

62,7%

Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 1 262; Σ finishers = 2 012. 1 262 / 2 012 × 100 = 62.72%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed8

Km — ultra races485 km

Longest race69,4 km

6h Ultraloop Amersfoort — 4/10/1998

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road27,7%

Trail72,3%

Records

6 h69,42 km

HISTORY

8 race(s)

Date		Race	Perf.	Rk
2019
20.07	51km	7. Eiger Ultra Trail 51 km	11:54:16 h	876
2009
13.04	60km	10e De Zestig van Texel	5:59:35 h	120
2007
09.04	60km	9e De Zestig van Texel	5:55:31 h	105
2005
28.03	60km	8e De Zestig van Texel	5:24:27 h	65
2003
21.04	60km	7e De Zestig van Texel	5:50:12 h	55
1999
03.10	6h	6h Ultraloop Amersfoort	64.883 km	10
04.04	60km	5e De Zestig van Texel	5:08:09 h	28
1998
04.10	6h	6h Ultraloop Amersfoort	69.420 km	11

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	4/10/1998	6h Ultraloop Amersfoort	69,42	×3
✓ 2	3/10/1999	6h Ultraloop Amersfoort	64,88	×3
✓ 3	13/4/2009	10e De Zestig van Texel	60,00	×3
✓ 4	9/4/2007	9e De Zestig van Texel	60,00	×3
✓ 5	28/3/2005	8e De Zestig van Texel	60,00	×3
✓ 6	21/4/2003	7e De Zestig van Texel	60,00	×3
✓ 7	4/4/1999	5e De Zestig van Texel	60,00	×3
✓ 8	20/7/2019	7. Eiger Ultra Trail 51 km	51,00	×2