Fukuji Imai
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Ultrarunner since 1998
1
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
15
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 ?
Greece
Greece37,0%
Rank quotient ?This runner's calculation uses 1 eligible race(s): Σ(rank − 1) = 30; Σ finishers = 81. 30 / 81 × 100 = 37.04%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed1
Km — ultra races245 km
> 100 km1
> 160 km1
> 200 km1
Longest race245,3 km
16. Spartathlon — 25/9/1998
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
No record for a classic ultra format
HISTORY
1 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1998 | ||||
| 25.09 | 245.3km | 16. Spartathlon |
33:19:00 h | 31 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 25/9/1998 | 16. Spartathlon | 245,30 | ×16 |