Mayumi (岡部真由美) Okabe

Born : 1972 Cat. W50 Ultrarunner since 1997

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 ?

France

Greece

Japan

Taiwan

23,2%

Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 2 358; Σ finishers = 10 173. 2 358 / 10 173 × 100 = 23.18%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed20

Km — ultra races2 342 km

> 100 km4

> 160 km4

> 200 km3

> 24h2

Longest race245,3 km

22. Spartathlon — 1/10/2004

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road70,4%

Trail29,6%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F2

🏅 Top 30

🏅 Top 3 F3

Longest winning streak0

Current streak0

Records

50 km12h19'58 100 km8h36'08 24 h207,14 km

HISTORY

20 race(s) · 2 split(s) nested

Date		Race	Perf.	Rk
2015
18.10	100km	21st River Shimanto 100km	10:33:28 h	179
2014
22.11	60km	1st Kiso-Sansen 60 km Ultra-Marathon	6:04:43 h	257
14.09	53km	4th Hakuba Int. Trail Run	9:26:47 h	465
2013
20.10	100km	19th River Shimanto 100km	10:37:22 h	182
2010
17.10	100km	16th River Shimanto 100km	10:32:43 h	168
2007
27.05	50km	OSJ Hakone 50K	12:19:58 h	457
2005
03.04	24h	6th Soochow/Taipei 24h ultramarathon	180.800 km	19
03.04	12h	6th Soochow/Taipei 24h ultramarathon - 12h Split	108.000 km	19
2004
01.10	245.3km	22. Spartathlon	35:02:42 h	50
16.05	100km	10th Yatsugatake Nobeyama 100 km	11:24:18 h	80
27.03	24h	5th Soochow/Taipei 24h ultramarathon	207.140 km	13
27.03	12h	5th Soochow/Taipei 24h ultramarathon - 12h Split	118.000 km	22
2002
27.09	245.3km	20. Spartathlon	31:33:35 h	19
2001
21.10	100km	8th River Shimanto 100km	9:13:23 h	42
16.09	100km	1st Tango 100 km Ultramarathon	9:25:00 h	26
24.06	100km	16. Lake Saroma 100 km Ultramarathon	8:45:37 h	30
2000
25.06	100km	15. Lake Saroma 100 km Ultramarathon	8:47:45 h	17
1999
17.10	100km	6th River Shimanto 100km	9:10:01 h	56
15.05	100km	Open Race at IAU 100km WC Chavagnes en Paillers (12 ème Les 100 km de Vendée)	8:36:08 h	174
15.05	100km	IAU 100km WC Chavagnes en Paillers (12 ème Les 100 km de Vendée)	8:36:08 h	111
1998
18.10	100km	5th River Shimanto 100km - Open Race	9:12:34 h	17
1997
26.10	100km	4th River Shimanto 100km	9:45:41 h	16

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Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	1/10/2004	22. Spartathlon	245,30	×5
✓ 2	27/9/2002	20. Spartathlon	245,30	×5
✓ 3	27/3/2004	5th Soochow/Taipei 24h ultramarathon	207,14	×4
✓ 4	3/4/2005	6th Soochow/Taipei 24h ultramarathon	180,80	×4
✓ 5	18/10/2015	21st River Shimanto 100km	100,00	×2
✓ 6	20/10/2013	19th River Shimanto 100km	100,00	×2
✓ 7	17/10/2010	16th River Shimanto 100km	100,00	×2
✓ 8	16/5/2004	10th Yatsugatake Nobeyama 100 km	100,00	×2
✓ 9	21/10/2001	8th River Shimanto 100km	100,00	×2
✓ 10	16/9/2001	1st Tango 100 km Ultramarathon	100,00	×2
✓ 11	24/6/2001	16. Lake Saroma 100 km Ultramarathon	100,00	×2
✓ 12	25/6/2000	15. Lake Saroma 100 km Ultramarathon	100,00	×2
✓ 13	17/10/1999	6th River Shimanto 100km	100,00	×2
✓ 14	15/5/1999	Open Race at IAU 100km WC Chavagnes en Paillers (12 ème Les 100 km de Vendée)	100,00	×2
✓ 15	18/10/1998	5th River Shimanto 100km - Open Race	100,00	×2
✓ 16	26/10/1997	4th River Shimanto 100km	100,00	×2
✓ 17	22/11/2014	1st Kiso-Sansen 60 km Ultra-Marathon	60,00	×1
✓ 18	14/9/2014	4th Hakuba Int. Trail Run	53,00	×1
✓ 19	27/5/2007	OSJ Hakone 50K	50,00	×1