Kouji (増田浩司) Masuda
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Born : 1965
Cat. M60 Ultrarunner since 2003
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
Japan19,9%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 698; Σ finishers = 3 499. 698 / 3 499 × 100 = 19.95%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races811 km
> 100 km3
> 160 km1
> 200 km1
> 24h1
Longest race270,0 km
2nd River Road Foot Race 270 km — 30/4/2006
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road82,4%
Trail17,6%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2007 | ||||
| 02.06 | 24h | 5th Akiruno 24 Hour Race Japan Cup |
135.934 km | 24 |
| 2006 | ||||
| 13.08 | 75km | 13. Ultramarathon Okumusashi |
8:08:05 h | 131 |
| 30.04 | 270km | 2nd River Road Foot Race 270 km |
2d 06:28:15 h | 13 |
| 2005 | ||||
| 07.08 | 75km | 12. Ultramarathon Okumusashi |
8:12:57 h | 110 |
| 11.06 | 12h | 3rd Akiruno 12 Hour Race Japan Cup |
112.000 km | 3 🥉 |
| 2004 | ||||
| 10.10 | 71.5km | 12th Hasetsune Cup - Japan Mountain Endurance Race |
14:55:34 h | 166 |
| 2003 | ||||
| 25.10 | 71.5km | 11th Hasetsune Cup - Japan Mountain Endurance Race |
15:32:57 h | 258 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/4/2006 | 2nd River Road Foot Race 270 km | 270,00 | ×10 |
| ✓ 2 | 2/6/2007 | 5th Akiruno 24 Hour Race Japan Cup | 135,93 | ×5 |
| ✓ 3 | 11/6/2005 | 3rd Akiruno 12 Hour Race Japan Cup | 112,00 | ×4 |
| ✓ 4 | 13/8/2006 | 13. Ultramarathon Okumusashi | 75,00 | ×2 |
| ✓ 5 | 7/8/2005 | 12. Ultramarathon Okumusashi | 75,00 | ×2 |
| ✓ 6 | 10/10/2004 | 12th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 7 | 25/10/2003 | 11th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |