Katsuichi (宮本勝一) Miyamoto
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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
15,8%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 2 280; Σ finishers = 14 429. 2 280 / 14 429 × 100 = 15.80%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 416 km
Longest race100,0 km
26th Muraoka 100 km Ultra Marathon — 24/9/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road88,7%
Trail11,3%
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/9/2023 | 26th Muraoka 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 2 | 9/10/2022 | 14th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 3 | 12/6/2022 | 16th Iwate Ginga 100km Marathon Challenge | 100,00 | ×3 |
| ✓ 4 | 22/9/2019 | 29. Akita Nairiku 100km Marathon | 100,00 | ×3 |
| ✓ 5 | 9/6/2019 | 8th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 16/9/2018 | 18th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 24/6/2018 | 33. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 8 | 18/6/2017 | 12. Okinoshima 100km Ultra Marathon | 100,00 | ×3 |
| ✓ 9 | 21/5/2017 | 23rd Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 10 | 11/9/2016 | 1st Koyasan and Ryujin-Onsen 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 11 | 26/6/2016 | 31. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 12 | 18/10/2015 | 21st River Shimanto 100km | 100,00 | ×3 |
| ✓ 13 | 11/6/2023 | 7th JAL Mukatsuku Double Marathon | 84,39 | ×2 |
| ✓ 14 | 19/5/2019 | 24th Saba Highway Ultramarathon | 72,00 | ×2 |
| ✓ 15 | 23/8/2020 | 9th World Geopark Trail Run in Sanin Kaigan | 60,00 | ×1 |