Mark Vondersaar

Born : 1953 Cat. M70 Ultrarunner since 2006

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 ?

United States

39,3%

Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 312; Σ finishers = 794. 312 / 794 × 100 = 39.29%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed6

Km — ultra races306 km

Longest race53,1 km

14th Holcomb Valley 33 Mile — 13/6/2010

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Records

50 km6h23'22

HISTORY

6 race(s)

Date		Race	Perf.	Rk
2010
13.06	33mi	14th Holcomb Valley 33 Mile	6:32:49 h	36
2009
08.08	50km	5th Angeles National Forest 50k Trail Race	6:23:22 h	42
2008
09.08	50km	4th Angeles National Forest 50k Trail Race	6:50:44 h	29
08.06	33mi	12th Holcomb Valley 33 Mile	6:40:55 h	36
2007
11.08	50km	3rd Angeles National Forest 50k Trail Race	7:57:42 h	81
2006
12.08	50km	2nd Angeles National Forest 50k Trail Race	7:41:47 h	94

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	13/6/2010	14th Holcomb Valley 33 Mile	53,11	×3
✓ 2	8/6/2008	12th Holcomb Valley 33 Mile	53,11	×3
✓ 3	8/8/2009	5th Angeles National Forest 50k Trail Race	50,00	×3
✓ 4	9/8/2008	4th Angeles National Forest 50k Trail Race	50,00	×3
✓ 5	11/8/2007	3rd Angeles National Forest 50k Trail Race	50,00	×3
✓ 6	12/8/2006	2nd Angeles National Forest 50k Trail Race	50,00	×3