Masahiro (鈴木正宏) Suzuki
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16
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
66,5%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 5 783; Σ finishers = 8 693. 5 783 / 8 693 × 100 = 66.52%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 380 km
> 100 km2
> 160 km1
Longest race200,0 km
12th Little Edo Oedo 200k — 12/3/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road92,7%
Trail7,3%
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/3/2022 | 12th Little Edo Oedo 200k | 200,00 | ×6 |
| ✓ 2 | 30/10/2021 | 3rd Autumn leaves in Okumusashi / Chichibu Journey run | 146,00 | ×4 |
| ✓ 3 | 11/6/2023 | 11th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 21/5/2023 | 29th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 5 | 9/10/2022 | 14th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 22/5/2022 | 28th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 7 | 19/5/2019 | 7th Tokyo Shibamata 100 km | 100,00 | ×3 |
| ✓ 8 | 22/9/2024 | 2nd Mina no Tenku Ultra Marathon | 75,00 | ×2 |
| ✓ 9 | 19/4/2015 | 25th Fuji 5 Lakes 71 km Challenge | 71,00 | ×2 |
| ✓ 10 | 4/7/2021 | 27th 8-Hour Endurance Race Tokorozawa | 63,70 | ×1 |
| ✓ 11 | 7/5/2022 | 2nd Kimitsu Ultra Marathon | 57,00 | ×1 |
| ✓ 12 | 8/5/2021 | 1st Kimitsu Ultra Marathon | 57,00 | ×1 |
| ✓ 13 | 13/5/2023 | 3rd Kimitsu Ultra Marathon | 55,00 | ×1 |
| ✓ 14 | 3/7/2022 | 28th 8-Hour Endurance Race Tokorozawa | 53,90 | ×1 |
| ✓ 15 | 16/6/2019 | 5th Echigo Country Trail | 53,00 | ×1 |
| ✓ 16 | 25/8/2019 | 6th Tsukuba Renjyo 48 km Road & Trail Run | 48,00 | ×1 |