Tsutomu (奥平力) Okutaira
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Born : 1954
Cat. M70 Ultrarunner since 2009
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
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
Japan54,2%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 901; Σ finishers = 1 663. 901 / 1 663 × 100 = 54.18%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races532 km
Longest race100,0 km
1st Nagoura Marathon 100 km — 15/3/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road62,4%
Trail37,6%
Records
HISTORY
8 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2015 | ||||
| 15.03 | 100km | 1st Nagoura Marathon 100 km |
13:40:27 h | 108 |
| 08.02 | 50km | 6th OSJ Jungle Trail 50K Amami |
6:54:05 h | 107 |
| 2014 | ||||
| 10.05 | 72km | 0. Kirishima Ultra Travel Marathon - 72km |
10:01:53 h | 22 |
| 2013 | ||||
| 10.02 | 50km | 4th OSJ Jungle Trail 50K Amami |
5:56:04 h | 61 |
| 13.01 | 100km | 23rd Miyako 100 km Ultramarathon |
13:33:35 h | 291 |
| 2010 | ||||
| 17.10 | 60km | 16th River Shimanto 60km |
7:23:40 h | 129 |
| 30.01 | 50km | 2nd OSJ Jungle Trail 50K Amami |
6:58:36 h | 55 |
| 2009 | ||||
| 08.02 | 50km | 1st OSJ Jungle Trail 50K Amami |
7:16:50 h | 136 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/3/2015 | 1st Nagoura Marathon 100 km | 100,00 | ×4 |
| ✓ 2 | 13/1/2013 | 23rd Miyako 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 3 | 10/5/2014 | 0. Kirishima Ultra Travel Marathon - 72km | 72,00 | ×3 |
| ✓ 4 | 17/10/2010 | 16th River Shimanto 60km | 60,00 | ×2 |
| ✓ 5 | 8/2/2015 | 6th OSJ Jungle Trail 50K Amami | 50,00 | ×2 |
| ✓ 6 | 10/2/2013 | 4th OSJ Jungle Trail 50K Amami | 50,00 | ×2 |
| ✓ 7 | 30/1/2010 | 2nd OSJ Jungle Trail 50K Amami | 50,00 | ×2 |
| ✓ 8 | 8/2/2009 | 1st OSJ Jungle Trail 50K Amami | 50,00 | ×2 |