Yasuko (兼平靖子) Kanehira

Born : 1955 Cat. W70 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 ?

Canada

France

Italy

Japan

South Korea

Taiwan

27,2%

Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 940; Σ finishers = 3 459. 940 / 3 459 × 100 = 27.18%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed14

Km — ultra races2 500 km

> 100 km12

> 160 km11

> 200 km5

> 24h11

Longest race250,0 km

15. Sakura Michi Kokusai Nature Run — 19/4/2008

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road90,0%

Trail10,0%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F2

🏅 Top 30

🏅 Top 3 F4

Longest winning streak0

Current streak0

Records

100 km8h59'02 24 h221,38 km

HISTORY

16 race(s) · 2 split(s) nested

Date		Race	Perf.	Rk
2012
22.09	24h	5th 24-hour relay & solo marathon Miki	127.600 km	10
2011
15.10	24h	6th Jingu Gaien 24 Hour Challenge	167.167 km	28
26.06	100km road race	26. Lake Saroma 100 km Ultramarathon	10:29:57 h	468
2010
11.12	24h	10th Soochow/Taipei 24h Ultramarathon	175.014 km	16
11.12	6h	10th Soochow/Taipei 24h Ultramarathon - 6h Split	57.600 km	23
11.12	12h	10th Soochow/Taipei 24h Ultramarathon - 12h Split	104.800 km	19
13.05	6h	IAU 24h WC Brive (Les 24 heures de Brive) - 6h Split	54.109 km	205
13.05	12h	IAU 24h WC Brive (Les 24 heures de Brive) - 12h Split	96.739 km	201
13.05	24h	IAU 24h WC Brive (Les 24 heures de Brive)	178.251 km	142
2009
12.09	24h	4th Jingu Gaien 24 Hour Challenge	171.206 km	20
02.05	24h	IAU 24h WC Bergamo (7° 24 ore del Delfino)	187.400 km	82
02.05	24h	Open race at IAU 24h WC & EC Bergamo (7° 24 ore del Delfino)	187.400 km	88
2008
18.10	24h	IAU 24h WC Seoul	220.280 km	35
05.07	24h	3rd Jingu Gaien 24 Hour Challenge	205.173 km	6
19.04	250km	15. Sakura Michi Kokusai Nature Run	29:37:00 h	9
2007
28.07	24h	IAU 24h WC 24 Drummondville	221.383 km	20
2006
25.02	24h	7th Taipei Yuanshan 24h	208.810 km	4
2003
29.06	100km	18. Lake Saroma 100 km Ultramarathon	8:59:02 h	26

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	19/4/2008	15. Sakura Michi Kokusai Nature Run	250,00	×5
✓ 2	28/7/2007	IAU 24h WC 24 Drummondville	221,38	×5
✓ 3	18/10/2008	IAU 24h WC Seoul	220,28	×5
✓ 4	25/2/2006	7th Taipei Yuanshan 24h	208,81	×4
✓ 5	5/7/2008	3rd Jingu Gaien 24 Hour Challenge	205,17	×4
✓ 6	2/5/2009	IAU 24h WC Bergamo (7° 24 ore del Delfino)	187,40	×4
✓ 7	13/5/2010	IAU 24h WC Brive (Les 24 heures de Brive)	178,25	×4
✓ 8	11/12/2010	10th Soochow/Taipei 24h Ultramarathon	175,01	×3
✓ 9	12/9/2009	4th Jingu Gaien 24 Hour Challenge	171,21	×3
✓ 10	15/10/2011	6th Jingu Gaien 24 Hour Challenge	167,17	×3
✓ 11	22/9/2012	5th 24-hour relay & solo marathon Miki	127,60	×2
✓ 12	26/6/2011	26. Lake Saroma 100 km Ultramarathon (JPN)	100,00	×2
✓ 13	29/6/2003	18. Lake Saroma 100 km Ultramarathon	100,00	×2