Ryou (村井涼) Murai
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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.
25
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
2
Countries visited ?
France
Japan
2,5%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 150; Σ finishers = 6 050. 150 / 6 050 × 100 = 2.48%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races727 km
Longest race71,5 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win5
🏆 Win M6
🏅 Top 37
🏅 Top 3 M8
Longest winning streak4
Current streak0
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2017 | ||||
| 17.12 | 68km | 6:36:14 h | 5 | |
| 12.11 | 50km | 5:57:50 h | 4 | |
| 2016 | ||||
| 13.11 | 50km | 6:02:29 h | 2 🥈 | |
| 2015 | ||||
| 08.11 | 50km | 5:45:02 h | 1 🏆 | |
| 2014 | ||||
| 09.11 | 50km | 5:39:10 h | 1 🏆 | |
| 2013 | ||||
| 10.11 | 50km | 5:43:46 h | 1 🏆 | |
| 13.07 | 65km | 6:34:09 h | 1 🏆 | |
| 05.05 | 51km | 4:49:43 h | 6 | |
| 2012 | ||||
| 11.11 | 50km | 5:38:14 h | 1 🏆 | |
| 07.10 | 71.5km | 8:59:04 h | 29 | |
| 2011 | ||||
| 06.11 | 50km | 5:34:25 h | 3 🥉 | |
| 2010 | ||||
| 10.10 | 71.5km | 9:28:45 h | 32 | |
| 2007 | ||||
| 27.05 | 50km | 9:12:39 h | 77 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/10/2012 | 20th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 2 | 10/10/2010 | 18th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 3 | 17/12/2017 | Coast to Coast 70k Trail Run | 68,00 | ×2 |
| ✓ 4 | 13/7/2013 | 4th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 5 | 5/5/2013 | 11ème Trail Nivolet Revard 51 kms | 51,00 | ×2 |
| ✓ 6 | 12/11/2017 | 9th Kanna Mountain Run II | 50,00 | ×2 |
| ✓ 7 | 13/11/2016 | 8th Kanna Mountain Run II | 50,00 | ×2 |
| ✓ 8 | 8/11/2015 | 7th Kanna Mountain Run II | 50,00 | ×2 |
| ✓ 9 | 9/11/2014 | 6th Kanna Mountain Run II | 50,00 | ×2 |
| ✓ 10 | 10/11/2013 | 5th Kanna Mountain Run II | 50,00 | ×2 |
| ✓ 11 | 11/11/2012 | 4th Kanna Mountain Run II | 50,00 | ×2 |
| ✓ 12 | 6/11/2011 | 3rd Kanna Mountain Run II | 50,00 | ×2 |
| ✓ 13 | 27/5/2007 | OSJ Hakone 50K | 50,00 | ×2 |