Nobuaki (奥村誠章) Okumura
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Born : 1969
Cat. M55 Ultrarunner since 2012
13
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
Japan42,5%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 7 333; Σ finishers = 17 259. 7 333 / 17 259 × 100 = 42.49%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 300 km
Longest race100,0 km
25th Yatsugatake Nobeyama 100 km — 19/5/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road61,5%
Trail38,5%
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 19.05 | 100km | 25th Yatsugatake Nobeyama 100 km |
13:40:01 h | 1222 |
| 2016 | ||||
| 09.10 | 100km | 11th Echigo Kubikino 100km Ultramarathon |
11:52:45 h | 474 |
| 22.05 | 100km | 22nd Yatsugatake Nobeyama 100 km |
13:07:53 h | 742 |
| 2015 | ||||
| 18.07 | 100km | 8th OSJ Ontake 100km Ultra Trail |
14:49:37 h | 293 |
| 06.06 | 100km | 3rd Tokyo Shibamata 100 km |
9:52:43 h | 134 |
| 2014 | ||||
| 12.10 | 100km | 10th Echigo Kubikino 100km Ultramarathon |
10:28:30 h | 179 |
| 01.06 | 100km | 2nd Tokyo Shibamata 100 km |
10:51:57 h | 49 |
| 18.05 | 100km | 20th Yatsugatake Nobeyama 100 km |
12:19:45 h | 404 |
| 2013 | ||||
| 13.07 | 100km | 6th OSJ Ontake 100km Ultra Trail |
15:38:22 h | 360 |
| 30.06 | 100km road race | 28. Lake Saroma 100 km Ultramarathon |
11:20:46 h | 774 |
| 19.05 | 100km | 19th Yatsugatake Nobeyama 100 km |
13:43:19 h | 956 |
| 2012 | ||||
| 06.10 | 100km | 9th Echigo Kubikino 100km Ultramarathon |
11:44:14 h | 368 |
| 24.06 | 100km road race | 27. Lake Saroma 100 km Ultramarathon |
12:06:54 h | 1391 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/5/2019 | 25th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 2 | 9/10/2016 | 11th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 3 | 22/5/2016 | 22nd Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 4 | 18/7/2015 | 8th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 5 | 6/6/2015 | 3rd Tokyo Shibamata 100 km | 100,00 | ×3 |
| ✓ 6 | 12/10/2014 | 10th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 1/6/2014 | 2nd Tokyo Shibamata 100 km | 100,00 | ×3 |
| ✓ 8 | 18/5/2014 | 20th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 9 | 13/7/2013 | 6th OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 10 | 30/6/2013 | 28. Lake Saroma 100 km Ultramarathon (JPN) | 100,00 | ×3 |
| ✓ 11 | 19/5/2013 | 19th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 12 | 6/10/2012 | 9th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 13 | 24/6/2012 | 27. Lake Saroma 100 km Ultramarathon (JPN) | 100,00 | ×3 |