Hirokazu (田中宏和) Tanaka
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1978
Cat. M45 Ultrarunner since 2005
15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
1
Countries visited ?Japan
Japan42,2%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 6 162; Σ finishers = 14 585. 6 162 / 14 585 × 100 = 42.25%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 516 km
> 100 km3
> 160 km1
Longest race200,0 km
9th Ultra Walking around Lake Biwa — 2/5/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road73,5%
Trail6,7%
Ult.Walk19,8%
Records
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 02.05 | 200km | 9th Ultra Walking around Lake Biwa |
2d 01:43:48 h | 127 |
| 19.04 | 100km | 36th Fuji 4 Lakes 100 km Challenge |
10:21:37 h | 161 |
| 2025 | ||||
| 23.08 | 100km | 1st Summer Karuizawa and Joshu Nakasendo Ultra Walking |
24:48:31 h | 91 |
| 19.07 | 102km | 2nd Shinshu Nakasendo 12 Stations Ultra Race |
25:19:10 h | 106 |
| 20.04 | 100km | 35th Fuji 4 Lakes 100 km Challenge |
10:33:43 h | 211 |
| 2024 | ||||
| 09.06 | 100km | 12th Hida Takayama 100 km Ultramarathon |
10:02:01 h | 151 |
| 2023 | ||||
| 07.10 | 100km | 25th Yukihashi to Beppu 100 km |
22:12:59 h | 1224 |
| 16.04 | 118km | 33th Fuji 5 Lakes 118 km Challenge |
13:53:25 h | 168 |
| 2019 | ||||
| 09.06 | 100km | 8th Hida Takayama 100 km Ultramarathon |
11:41:45 h | 553 |
| 2017 | ||||
| 07.10 | 100km | 19th Yukihashi to Beppu 100 km |
24:51:50 h | 2635 |
| 2011 | ||||
| 16.10 | 60km | 17th River Shimanto 60km |
8:40:42 h | 303 |
| 2010 | ||||
| 17.10 | 60km | 16th River Shimanto 60km |
7:36:01 h | 156 |
| 2008 | ||||
| 28.09 | 100km | 11th Muraoka 100 km Ultra Marathon |
13:44:24 h | 157 |
| 2007 | ||||
| 29.09 | 88km | 10th Muraoka 88 km Ultra Marathon |
12:30:32 h | 64 |
| 2005 | ||||
| 25.09 | 88km | 8th Muraoka 88 km Ultra Marathon |
13:33:27 h | 70 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 2/5/2026 | 9th Ultra Walking around Lake Biwa | 200,00 | ×6 |
| ✓ 2 | 16/4/2023 | 33th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 3 | 19/7/2025 | 2nd Shinshu Nakasendo 12 Stations Ultra Race | 102,00 | ×3 |
| ✓ 4 | 19/4/2026 | 36th Fuji 4 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 5 | 23/8/2025 | 1st Summer Karuizawa and Joshu Nakasendo Ultra Walking | 100,00 | ×3 |
| ✓ 6 | 20/4/2025 | 35th Fuji 4 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 7 | 9/6/2024 | 12th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 8 | 7/10/2023 | 25th Yukihashi to Beppu 100 km | 100,00 | ×3 |
| ✓ 9 | 9/6/2019 | 8th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 10 | 7/10/2017 | 19th Yukihashi to Beppu 100 km | 100,00 | ×3 |
| ✓ 11 | 28/9/2008 | 11th Muraoka 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 12 | 29/9/2007 | 10th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 13 | 25/9/2005 | 8th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 14 | 16/10/2011 | 17th River Shimanto 60km | 60,00 | ×1 |
| ✓ 15 | 17/10/2010 | 16th River Shimanto 60km | 60,00 | ×1 |