Takao (市原貴生) Ichihara
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Born : 1977
Cat. M45 Ultrarunner since 2015
11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
Japan41,9%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 2 132; Σ finishers = 5 094. 2 132 / 5 094 × 100 = 41.85%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races852 km
> 100 km3
Longest race110,0 km
10th Shinetsu Five Mountains Trail 110km — 16/9/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2018 | ||||
| 17.11 | 106km | 4th FunTrails100K Round |
26:02:58 h | 178 |
| 16.09 | 110km | 10th Shinetsu Five Mountains Trail 110km |
19:50:01 h | 155 |
| 12.05 | 108.7km | 2nd Aso Round Trail |
22:23:24 h | 101 |
| 28.04 | 92km | 5th Shizuoka to Yamanashi |
17:49:05 h | 245 |
| 2017 | ||||
| 10.12 | 71.7km | 4th Izu Trail Journey |
11:32:42 h | 421 |
| 15.10 | 57.8km | 1st Kohechi Trail Journey |
9:28:40 h | 29 |
| 01.07 | 80km | 7th Utsukushigahara 80 km Trail Run |
12:10:23 h | 325 |
| 21.05 | 55.7km | 4th Kobo Trail 2017 |
10:12:33 h | 13 |
| 2016 | ||||
| 04.12 | 50km | 4th Kumano Old Trails |
9:53:06 h | 190 |
| 2015 | ||||
| 30.05 | 50km | 1st Mt. Hiei Int. 50 km Trail Run |
9:29:27 h | 200 |
| 03.05 | 70km | 23. Mukogawa Yurikamome Ultra Marathon |
7:46:22 h | 286 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/9/2018 | 10th Shinetsu Five Mountains Trail 110km | 110,00 | ×4 |
| ✓ 2 | 12/5/2018 | 2nd Aso Round Trail | 108,70 | ×4 |
| ✓ 3 | 17/11/2018 | 4th FunTrails100K Round | 106,00 | ×4 |
| ✓ 4 | 28/4/2018 | 5th Shizuoka to Yamanashi (STY) | 92,00 | ×3 |
| ✓ 5 | 1/7/2017 | 7th Utsukushigahara 80 km Trail Run | 80,00 | ×3 |
| ✓ 6 | 10/12/2017 | 4th Izu Trail Journey | 71,70 | ×2 |
| ✓ 7 | 3/5/2015 | 23. Mukogawa Yurikamome Ultra Marathon | 70,00 | ×2 |
| ✓ 8 | 15/10/2017 | 1st Kohechi Trail Journey | 57,80 | ×2 |
| ✓ 9 | 21/5/2017 | 4th Kobo Trail 2017 | 55,70 | ×2 |
| ✓ 10 | 4/12/2016 | 4th Kumano Old Trails | 50,00 | ×1 |
| ✓ 11 | 30/5/2015 | 1st Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |