Kazumi (前田和美) Maeda
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Ultrarunner since 2020
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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
Japan6,0%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 196; Σ finishers = 3 276. 196 / 3 276 × 100 = 5.98%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races786 km
> 100 km2
> 160 km1
Longest race160,9 km
10th Lake Biwa Charity 100mi Walking Tournament — 19/10/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road25,4%
Ult.Walk74,6%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F2
Longest winning streak0
Current streak0
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 01.11 | 100km | 1st BIWA100 Ultra Walk |
17:44:13 h | 28 |
| 03.05 | 100km | 7th Sunny Okayama 100km |
17:33:43 h | 27 |
| 2024 | ||||
| 19.10 | 100mi | 10th Lake Biwa Charity 100mi Walking Tournament |
18:07:30 h | 17 |
| 03.05 | 100km | 6th Sunny Okayama 100km |
17:42:10 h | 28 |
| 2023 | ||||
| 14.10 | 100km | 9th Lake Biwa Charity 100km Walking Tournament |
19:51:22 h | 62 |
| 2022 | ||||
| 15.10 | 100km | 8th Lake Biwa Charity 100km Walking Athlete |
17:53:45 h | 5 |
| 2020 | ||||
| 11.07 | 125km | 4th Fujisan Issyu Walking |
27:57:35 h | 36 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/10/2024 | 10th Lake Biwa Charity 100mi Walking Tournament | 160,93 | ×6 |
| ✓ 2 | 11/7/2020 | 4th Fujisan Issyu Walking | 125,00 | ×5 |
| ✓ 3 | 1/11/2025 | 1st BIWA100 Ultra Walk | 100,00 | ×4 |
| ✓ 4 | 3/5/2025 | 7th Sunny Okayama 100km | 100,00 | ×4 |
| ✓ 5 | 3/5/2024 | 6th Sunny Okayama 100km | 100,00 | ×4 |
| ✓ 6 | 14/10/2023 | 9th Lake Biwa Charity 100km Walking Tournament | 100,00 | ×4 |
| ✓ 7 | 15/10/2022 | 8th Lake Biwa Charity 100km Walking Athlete | 100,00 | ×4 |