Takafumi (梶原孝文) Kajiwara
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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.
32
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
36,5%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 4 670; Σ finishers = 12 793. 4 670 / 12 793 × 100 = 36.50%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 288 km
> 100 km2
Longest race110,0 km
10th Shinetsu Five Mountains Trail 110km — 16/9/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road31,1%
Trail68,9%
Records
HISTORY
16 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/9/2018 | 10th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 2 | 14/9/2014 | 6th Shinetsu Five Mountains Trail 110km | 110,00 | ×3 |
| ✓ 3 | 20/9/2015 | 15th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 15/9/2013 | 13th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 18/9/2011 | 11th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 19/9/2010 | 10th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 21/9/2019 | 6th SkyView Ultra-Trail 70 - Yamada Noboru Memorial Cup | 75,00 | ×2 |
| ✓ 8 | 24/6/2018 | 5. Spatrail - Shima to Kusatsu | 72,70 | ×2 |
| ✓ 9 | 12/10/2014 | 22nd Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 10 | 13/10/2013 | 21st Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×2 |
| ✓ 11 | 13/7/2019 | 10th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 12 | 27/5/2018 | 3rd Osorakan-Trail | 65,00 | ×2 |
| ✓ 13 | 15/7/2017 | 8th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 14 | 20/7/2014 | 5th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 15 | 13/7/2013 | 4th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×2 |
| ✓ 16 | 17/9/2017 | 9th Shinetsu Five Mountains Trail 110km | 52,00 | ×1 |