Kazunori (橋本和典) Hashimoto
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Born : 1963
Cat. M60 Ultrarunner since 2009
18
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
Japan53,0%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 9 489; Σ finishers = 17 904. 9 489 / 17 904 × 100 = 53.00%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 458 km
Longest race100,0 km
41. Lake Saroma 100 km Ultramarathon — 28/6/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road96,6%
Trail3,4%
Records
HISTORY
18 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/6/2026 | 41. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 2 | 21/12/2025 | 8th Okinawa 100km Ultramarathon | 100,00 | ×3 |
| ✓ 3 | 24/6/2018 | 33. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 12/6/2016 | 5th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 17/1/2016 | 26th Miyako 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 28/6/2015 | 30. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 29/6/2014 | 29. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 8 | 27/6/2010 | 25. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 9 | 27/9/2015 | 18th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 10 | 28/9/2014 | 17th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 11 | 21/5/2017 | 22th Saba Highway Ultramarathon | 77,00 | ×2 |
| ✓ 12 | 7/4/2018 | 14th Izu Oshima Ultra 70 km | 70,00 | ×2 |
| ✓ 13 | 29/9/2013 | 16th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |
| ✓ 14 | 28/9/2025 | 28th Muraoka 64 km Ultra Marathon | 64,00 | ×1 |
| ✓ 15 | 18/9/2016 | 16th Tango 60 km Ultramarathon | 60,00 | ×1 |
| ✓ 16 | 26/1/2025 | 35th Miyako 50 km Ultramarathon | 50,00 | ×1 |
| ✓ 17 | 4/10/2009 | 3rd Madarao Forest Trails 50km | 50,00 | ×1 |
| ✓ 18 | 29/9/2022 | 25th Muraoka 45 km Ultra Marathon | 45,00 | ×1 |