Keijiro (前田恵次郎) Maeda
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Born : 1983
Cat. M40 Ultrarunner since 2019
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
9
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
Japan87,9%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 406; Σ finishers = 462. 406 / 462 × 100 = 87.88%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed2
Km — ultra races95 km
Longest race50,0 km
1st Izu Oshima Geopark Ultra Marathon — 11/5/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road52,6%
Trail47,4%
Records
HISTORY
2 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 29.06 | 45km | 9th Utsukushigahara 45 km Trail Run |
8:28:22 h | 352 |
| 11.05 | 50km | 1st Izu Oshima Geopark Ultra Marathon |
7:13:49 h | 56 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/5/2019 | 1st Izu Oshima Geopark Ultra Marathon | 50,00 | ×5 |
| ✓ 2 | 29/6/2019 | 9th Utsukushigahara 45 km Trail Run | 45,00 | ×5 |