Tadashi Ogitsu

Born : 1965 Cat. M60 Ultrarunner since 2003

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

43,6%

Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 1 141; Σ finishers = 2 615. 1 141 / 2 615 × 100 = 43.63%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19

Km — ultra races1 468 km

> 100 km1

> 160 km1

Longest race160,9 km

33th Western States 100 Mile Endurance Run — 24/6/2006

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Records

50 km5h11'59 100 km12h43'55 50 mi9h24'14 100 mi28h48'20

HISTORY

19 race(s)

Date		Race	Perf.	Rk
2008
11.10	50mi	26th Dick Collins Firetrails 50 Mile	9:28:54 h	52
2007
13.10	50mi	25th Dick Collins Firetrails 50 Mile	9:43:04 h	75
08.09	50km	6th Stevens Creek Striders 50K	6:13:50 h	13
26.08	50km	2nd Redwood Park 50K Trail Run	5:42:41 h	14
29.04	50mi	5th Diablo Endurance Run	12:56:29 h	41
2006
14.10	32.8mi	2nd Lake of the Sky 32 Mile	8:04:15 h	33
07.10	50mi	24th Dick Collins Firetrails 50 Mile	10:17:45 h	68
06.08	50km	25th Skyline 50k Endurance Run	6:00:18 h	66
24.06	100mi	33th Western States 100 Mile Endurance Run	28:48:20 h	155
06.05	100km	11th Miwok 100k Trail race	12:43:55 h	113
01.04	50mi	27th American River 50 Mile Endurance Run	9:58:54 h	194
2005
15.10	50mi	23rd Dick Collins Firetrails 50 Mile	10:35:42 h	86
2004
09.10	50mi	22nd Dick Collins Firetrails 50 Mile	9:32:15 h	44
05.09	50mi	10th Run On The Sly 50 Mile	10:04:40 h	16
01.05	100km	9th Miwok 100k Trail race	12:44:31 h	81
2003
20.12	50km	Muir Beach Trail Run	6:40:45 h	16
11.10	50mi	21st Dick Collins Firetrails 50 Mile	9:24:14 h	37
31.08	50mi	9th Run On The Sly 50 Mile	10:18:40 h	18
03.08	50km	22nd Skyline 50k Endurance Run	5:11:59 h	38

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	24/6/2006	33th Western States 100 Mile Endurance Run	160,93	×4
✓ 2	6/5/2006	11th Miwok 100k Trail race	100,00	×2
✓ 3	1/5/2004	9th Miwok 100k Trail race	100,00	×2
✓ 4	11/10/2008	26th Dick Collins Firetrails 50 Mile	80,47	×2
✓ 5	13/10/2007	25th Dick Collins Firetrails 50 Mile	80,47	×2
✓ 6	29/4/2007	5th Diablo Endurance Run	80,47	×2
✓ 7	7/10/2006	24th Dick Collins Firetrails 50 Mile	80,47	×2
✓ 8	1/4/2006	27th American River 50 Mile Endurance Run	80,47	×2
✓ 9	15/10/2005	23rd Dick Collins Firetrails 50 Mile	80,47	×2
✓ 10	9/10/2004	22nd Dick Collins Firetrails 50 Mile	80,47	×2
✓ 11	5/9/2004	10th Run On The Sly 50 Mile	80,47	×2
✓ 12	11/10/2003	21st Dick Collins Firetrails 50 Mile	80,47	×2
✓ 13	31/8/2003	9th Run On The Sly 50 Mile	80,47	×2
✓ 14	14/10/2006	2nd Lake of the Sky 32 Mile	52,79	×1
✓ 15	8/9/2007	6th Stevens Creek Striders 50K	50,00	×1
✓ 16	26/8/2007	2nd Redwood Park 50K Trail Run	50,00	×1
✓ 17	6/8/2006	25th Skyline 50k Endurance Run	50,00	×1
✓ 18	20/12/2003	Muir Beach Trail Run	50,00	×1
✓ 19	3/8/2003	22nd Skyline 50k Endurance Run	50,00	×1