Youko (松本陽子) Matsumoto
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16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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
25,4%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 1 857; Σ finishers = 7 316. 1 857 / 7 316 × 100 = 25.38%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 127 km
Longest race100,0 km
9th Lake Biwa Charity 100km Walking Tournament — 14/10/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road25,0%
Trail66,1%
Ult.Walk8,9%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F3
🏅 Top 30
🏅 Top 3 F5
Longest winning streak0
Current streak0
Records
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 18.05 | 55.7km | 11:21:02 h | 20 | |
| 2024 | ||||
| 12.05 | 55.7km | 10:37:00 h | 5 | |
| 2023 | ||||
| 14.10 | 100km | 21:02:55 h | 94 | |
| 03.05 | 100km | 22:23:36 h | 313 | |
| 23.04 | 70km | 7:19:43 h | 25 | |
| 2019 | ||||
| 25.05 | 50km | 8:49:23 h | 72 | |
| 24.03 | 56km | 10:20:00 h | 297 | |
| 2018 | ||||
| 21.10 | 56km | 11:02:16 h | 282 | |
| 20.05 | 55.7km | 9:30:47 h | 8 | |
| 2017 | ||||
| 21.05 | 55.7km | 9:48:16 h | 8 | |
| 2016 | ||||
| 22.05 | 55.7km | 9:51:10 h | 10 | |
| 2015 | ||||
| 17.05 | 73km | 9:33:24 h | 76 | |
| 2009 | ||||
| 11.10 | 71.5km | 11:54:32 h | 223 | |
| 21.09 | 100km | 14:36:17 h | 58 | |
| 19.07 | 100km | 13:21:39 h | 77 | |
| 2008 | ||||
| 12.10 | 71.5km | 12:35:41 h | 305 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/10/2023 | 9th Lake Biwa Charity 100km Walking Tournament | 100,00 | ×3 |
| ✓ 2 | 3/5/2023 | 5th Sunny Okayama 100km | 100,00 | ×3 |
| ✓ 3 | 21/9/2009 | 1st Shinetsu Five Mountains Trail 100km | 100,00 | ×3 |
| ✓ 4 | 19/7/2009 | 2nd OSJ Ontake 100km Ultra Trail | 100,00 | ×3 |
| ✓ 5 | 17/5/2015 | 1st Gasando Trail running race | 73,00 | ×2 |
| ✓ 6 | 11/10/2009 | 17th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 7 | 12/10/2008 | 16th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 8 | 23/4/2023 | 14th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 9 | 24/3/2019 | 20th Mt. Rocco Cannonball Run - 56 km Speed | 56,00 | ×2 |
| ✓ 10 | 21/10/2018 | 19th Mt. Rocco Cannonball Run - 56 km Speed | 56,00 | ×2 |
| ✓ 11 | 18/5/2025 | 12th Kobo Trail 2025 | 55,70 | ×1 |
| ✓ 12 | 12/5/2024 | 11th Kobo Trail 2024 | 55,70 | ×1 |
| ✓ 13 | 20/5/2018 | 5th Kobo Trail 2018 | 55,70 | ×1 |
| ✓ 14 | 21/5/2017 | 4th Kobo Trail 2017 | 55,70 | ×1 |
| ✓ 15 | 22/5/2016 | 3rd Kobo Trail 2016 | 55,70 | ×1 |
| ✓ 16 | 25/5/2019 | 5th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |