Hiroko (安藤弘子) Ando

Born : 1971 Cat. W55 Ultrarunner since 2016

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 ?

Japan

9,5%

Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 732; Σ finishers = 7 723. 732 / 7 723 × 100 = 9.48%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed18

Km — ultra races1 558 km

> 100 km2

Longest race146,0 km

3rd Autumn leaves in Okumusashi / Chichibu Journey run — 30/10/2021

Km per year (ultra races)

161

2022

296

2023

262

2024

160

2025

2026

Race types (share of distance)

Road100,0%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F3

🏅 Top 31

🏅 Top 3 F7

Longest winning streak0

Current streak0

Records

100 km9h02'47 50 mi8h57'00

HISTORY

18 race(s)

Date		Race	Perf.	Rk
2026
31.05	60km	2nd Shimanami Surround 60km	5:43:41 h	8
2025
14.09	60km	23th Tango 60 km Ultramarathon	5:40:10 h	35
23.05	100km	4th Hirosaki 100 km Ultra Run	9:02:47 h	9
2024
15.09	100km	22th Tango 100 km Ultramarathon	10:08:09 h	70
09.06	100km	18th Iwate Ginga 100km Marathon Challenge	9:30:09 h	50
21.04	62km	34th Fuji 3 Lakes 62 km Challenge	5:40:01 h	30
2023
04.06	78km	30. Ultramarathon Okumusashi	7:20:16 h	49
26.05	100km	2nd Hirosaki 100 km Ultra Run	9:23:20 h	6
16.04	118km	33th Fuji 5 Lakes 118 km Challenge	12:12:21 h	40
2022
03.07	8h	28th 8-Hour Endurance Race Tokorozawa	83.300 km	7
05.06	78km	29. Ultramarathon Okumusashi	6:53:26 h	41
2021
30.10	146km	3rd Autumn leaves in Okumusashi / Chichibu Journey run	17:24:24 h	17
04.07	8h	27th 8-Hour Endurance Race Tokorozawa	88.200 km	17
25.04	100km	6th Tokyo Ultra Marathon - 100 km	9:24:07 h	8
10.04	70km	16th Toda Saiko 70 km	6:11:14 h	74
03.04	80km	9th Arakawa Riverside Journey - 80 km	8:57:00 h	3 🥉
2020
04.10	64km	7th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K	7:41:38 h	32
2016
09.04	70km	11th Toda Saiko 70 km	7:56:31 h	254

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	30/10/2021	3rd Autumn leaves in Okumusashi / Chichibu Journey run	146,00	×4
✓ 2	16/4/2023	33th Fuji 5 Lakes 118 km Challenge	118,00	×3
✓ 3	23/5/2025	4th Hirosaki 100 km Ultra Run	100,00	×2
✓ 4	15/9/2024	22th Tango 100 km Ultramarathon	100,00	×2
✓ 5	9/6/2024	18th Iwate Ginga 100km Marathon Challenge	100,00	×2
✓ 6	26/5/2023	2nd Hirosaki 100 km Ultra Run	100,00	×2
✓ 7	25/4/2021	6th Tokyo Ultra Marathon - 100 km	100,00	×2
✓ 8	4/7/2021	27th 8-Hour Endurance Race Tokorozawa	88,20	×2
✓ 9	3/7/2022	28th 8-Hour Endurance Race Tokorozawa	83,30	×2
✓ 10	3/4/2021	9th Arakawa Riverside Journey - 80 km	80,00	×2
✓ 11	4/6/2023	30. Ultramarathon Okumusashi	78,00	×2
✓ 12	5/6/2022	29. Ultramarathon Okumusashi	78,00	×2
✓ 13	10/4/2021	16th Toda Saiko 70 km	70,00	×2
✓ 14	9/4/2016	11th Toda Saiko 70 km	70,00	×2
✓ 15	4/10/2020	7th Naeba-Sanroku Geopark Tsunan Ultramarathon 64K	64,00	×1
✓ 16	21/4/2024	34th Fuji 3 Lakes 62 km Challenge	62,00	×1
✓ 17	31/5/2026	2nd Shimanami Surround 60km	60,00	×1
✓ 18	14/9/2025	23th Tango 60 km Ultramarathon	60,00	×1