Yuuichiro (江川祐一郎) Egawa
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Born : 1967
Cat. M55 Ultrarunner since 2013
15
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
Japan57,3%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 5 415; Σ finishers = 9 456. 5 415 / 9 456 × 100 = 57.27%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 230 km
> 100 km3
Longest race112,0 km
23rd Fuji 5 Lakes 112 km Challenge — 21/4/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road86,2%
Trail13,8%
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/4/2013 | 23rd Fuji 5 Lakes 112 km Challenge | 112,00 | ×3 |
| ✓ 2 | 20/4/2014 | 24th Fuji 5 Lakes 108 km Challenge | 108,00 | ×3 |
| ✓ 3 | 27/5/2017 | 6th Tojinbo 103 km Ultramarathon | 103,00 | ×3 |
| ✓ 4 | 9/10/2021 | 9th Tokyo Shibamata 100 km | 100,00 | ×3 |
| ✓ 5 | 13/1/2019 | 4th Yakushima Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 9/9/2018 | 6th 100 km Ultramarathon Hakusan-Shirakawago | 100,00 | ×3 |
| ✓ 7 | 18/6/2017 | 12. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 8 | 26/6/2016 | 31. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 9 | 30/5/2026 | 10th Yokosuka Miura 72km Michikusa Ultra Marathon | 72,00 | ×2 |
| ✓ 10 | 13/10/2013 | 21st Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 11 | 15/9/2019 | 19th Tango 60 km Ultramarathon | 60,00 | ×1 |
| ✓ 12 | 9/5/2026 | 6th Kimitsu Ultra Marathon | 55,00 | ×1 |
| ✓ 13 | 15/10/2022 | 5th Iki 50 km Ultra Marathon | 50,00 | ×1 |
| ✓ 14 | 3/12/2017 | 5th Kumano Old Trails | 50,00 | ×1 |
| ✓ 15 | 27/8/2017 | 4th Tsukuba Renjyo 48 km Road & Trail Run | 48,00 | ×1 |