Michitomo (山北道智) Yamakita
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Born : 1987
Cat. M35 Ultrarunner since 2007
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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
Japan17,6%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 1 765; Σ finishers = 10 031. 1 765 / 10 031 × 100 = 17.60%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races1 148 km
> 100 km2
> 160 km1
> 200 km1
Longest race415,0 km
4th Trans Japan Alps Race (TJAR) — 10/8/2008
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road26,1%
Trail73,9%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 15.10 | 100km | 29th River Shimanto 100km |
11:38:49 h | 330 |
| 2022 | ||||
| 17.07 | 65km | 13th Nozawa Onsen 4100D Mountain Trail Pair |
11:14:24 h | 4 |
| 2019 | ||||
| 20.10 | 100km | 25th River Shimanto 100km |
11:36:55 h | 341 |
| 2015 | ||||
| 28.06 | 100km | 30. Lake Saroma 100 km Ultramarathon |
10:48:18 h | 791 |
| 2014 | ||||
| 20.07 | 65km | 5th Nozawa Onsen 4100D Mountain Trail |
8:49:43 h | 24 |
| 2012 | ||||
| 16.09 | 110km | 4th Shinetsu Five Mountains Trail 110km |
15:53:34 h | 54 |
| 2011 | ||||
| 09.10 | 71.5km | 19th Hasetsune Cup - Japan Mountain Endurance Race |
9:41:32 h | 47 |
| 2008 | ||||
| 10.08 | 415km | 4th Trans Japan Alps Race |
7d 22:35:00 h | 15 |
| 2007 | ||||
| 14.10 | 71.5km | 15th Hasetsune Cup - Japan Mountain Endurance Race |
11:28:29 h | 125 |
| 27.05 | 50km | OSJ Hakone 50K |
8:25:30 h | 44 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 10/8/2008 | 4th Trans Japan Alps Race (TJAR) | 415,00 | ×12 |
| ✓ 2 | 16/9/2012 | 4th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 3 | 15/10/2023 | 29th River Shimanto 100km | 100,00 | ×3 |
| ✓ 4 | 20/10/2019 | 25th River Shimanto 100km | 100,00 | ×3 |
| ✓ 5 | 28/6/2015 | 30. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 9/10/2011 | 19th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 7 | 14/10/2007 | 15th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 8 | 17/7/2022 | 13th Nozawa Onsen 4100D Mountain Trail Pair | 65,00 | ×2 |
| ✓ 9 | 20/7/2014 | 5th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 10 | 27/5/2007 | OSJ Hakone 50K | 50,00 | ×1 |