Naoya (小川直哉) Ogawa
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13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
3
Countries visited ?
Denmark
Greece
Japan
7,7%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 250; Σ finishers = 3 228. 250 / 3 228 × 100 = 7.74%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 811 km
> 100 km5
> 160 km5
> 200 km4
> 24h3
Longest race250,0 km
17. Sakura Michi Kokusai Nature Run — 17/4/2010
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road71,4%
Trail17,4%
?11,2%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 16.04 | 70km | 7:57:20 h | 11 | |
| 2016 | ||||
| 17.12 | 24h | 167.532 km | 69 | |
| 11.09 | 100km | 9:33:10 h | 16 | |
| 16.07 | 65km | 8:47:31 h | 26 | |
| 17.01 | 100km | 9:10:26 h | 9 | |
| 2014 | ||||
| 26.09 | 245.3km | 29:03:01 h | 17 | |
| 26.04 | 100km | 8:28:14 h | 3 🥉 | |
| 2013 | ||||
| 11.08 | 100km | 8:58:56 h | 3 🥉 | |
| 2012 | ||||
| 07.10 | 24h | 209.792 km | 15 | |
| 2011 | ||||
| 17.12 | 24h | 203.406 km | 4 | |
| 21.08 | 100km | 8:21:55 h | 5 | |
| 2010 | ||||
| 17.04 | 250km | 34:48:00 h | 59 | |
| 2009 | ||||
| 27.09 | 100km | 8:56:41 h | 26 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 17/4/2010 | 17. Sakura Michi Kokusai Nature Run | 250,00 | ×6 |
| ✓ 2 | 26/9/2014 | 32. Spartathlon | 245,30 | ×6 |
| ✓ 3 | 7/10/2012 | 7th Jingu Gaien 24 Hour Challenge | 209,79 | ×5 |
| ✓ 4 | 17/12/2011 | 1st Japan 24 Hours Indoor Ultra Marathon | 203,41 | ×5 |
| ✓ 5 | 17/12/2016 | 11th Jingu Gaien 24 Hour Challenge | 167,53 | ×4 |
| ✓ 6 | 11/9/2016 | 4th 100 km Ultramarathon Hakusan-Shirakawago | 100,00 | ×2 |
| ✓ 7 | 17/1/2016 | 26th Miyako 100 km Ultramarathon | 100,00 | ×2 |
| ✓ 8 | 26/4/2014 | Copenhagen ultramarathon 100km | 100,00 | ×2 |
| ✓ 9 | 11/8/2013 | Ultramarathon of Bornholm, 100km | 100,00 | ×2 |
| ✓ 10 | 21/8/2011 | 1st North Okhotsk 100 km Marathon | 100,00 | ×2 |
| ✓ 11 | 27/9/2009 | 19. Akita Nairiku 100km Marathon | 100,00 | ×2 |
| ✓ 12 | 16/4/2022 | 1st Atsumi Peninsula Ultra Nature Run - 70km | 70,00 | ×1 |
| ✓ 13 | 16/7/2016 | 7th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×1 |