Haruko (山本晴子) Yamamoto
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Born : 1971
Cat. W55 Ultrarunner since 2015
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
23
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
Japan42,1%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 2 076; Σ finishers = 4 936. 2 076 / 4 936 × 100 = 42.06%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races613 km
Longest race100,0 km
29. Akita Nairiku 100km Marathon — 22/9/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road88,3%
Trail11,7%
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 22.09 | 50km | 32. Akita Nairiku 50km Marathon |
6:29:53 h | 151 |
| 2021 | ||||
| 27.02 | 91km | 11th Little Edo 91k |
10:49:54 h | 10 |
| 2019 | ||||
| 22.09 | 100km | 29. Akita Nairiku 100km Marathon |
11:33:34 h | 204 |
| 2017 | ||||
| 24.09 | 100km | 27. Akita Nairiku 100km Marathon |
11:22:51 h | 141 |
| 2016 | ||||
| 25.09 | 100km | 26. Akita Nairiku 100km Marathon |
12:49:05 h | 421 |
| 12.06 | 100km | 12th Iwate Ginga 100km Marathon Challenge |
12:40:13 h | 484 |
| 2015 | ||||
| 31.10 | 71.5km | 23rd Hasetsune Cup - Japan Mountain Endurance Race |
13:53:26 h | 672 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 22/9/2019 | 29. Akita Nairiku 100km Marathon | 100,00 | ×4 |
| ✓ 2 | 24/9/2017 | 27. Akita Nairiku 100km Marathon | 100,00 | ×4 |
| ✓ 3 | 25/9/2016 | 26. Akita Nairiku 100km Marathon | 100,00 | ×4 |
| ✓ 4 | 12/6/2016 | 12th Iwate Ginga 100km Marathon Challenge | 100,00 | ×4 |
| ✓ 5 | 27/2/2021 | 11th Little Edo 91k | 91,00 | ×3 |
| ✓ 6 | 31/10/2015 | 23rd Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×3 |
| ✓ 7 | 22/9/2024 | 32. Akita Nairiku 50km Marathon | 50,00 | ×2 |