Akihiro (蔦宗明紘) Tsutamune
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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.
26
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
55,8%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 2 839; Σ finishers = 5 085. 2 839 / 5 085 × 100 = 55.83%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races966 km
Longest race100,0 km
1st Yasaka Ultra Marathon in Hamada - 100 km — 1/10/2017
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road74,1%
Trail25,9%
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/10/2017 | 1st Yasaka Ultra Marathon in Hamada - 100 km | 100,00 | ×3 |
| ✓ 2 | 14/9/2014 | 5th Akiota Yajirushi Marathon 88km | 88,00 | ×3 |
| ✓ 3 | 15/9/2013 | 4th Akiota Yajirushi Marathon 88km | 88,00 | ×3 |
| ✓ 4 | 4/5/2015 | 27. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×2 |
| ✓ 5 | 4/5/2014 | 26. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×2 |
| ✓ 6 | 4/5/2013 | 25. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×2 |
| ✓ 7 | 4/5/2012 | 24. Yamaguchi 100 Hagi-O-Kan Maranic 70 km | 70,00 | ×2 |
| ✓ 8 | 21/9/2012 | 12th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 9 | 29/9/2019 | 7th Trainic world Soto-Chichibu Trail Run 50km | 53,00 | ×2 |
| ✓ 10 | 21/5/2022 | 8th Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 11 | 13/2/2016 | 7th OSJ Jungle Trail 50K Amami | 50,00 | ×1 |
| ✓ 12 | 7/10/2012 | 8th Ashiya Hama Shiokaze Ultra Marathon - 50 km | 50,00 | ×1 |
| ✓ 13 | 17/6/2012 | 7. Okinoshima 50km Ultra Marathon | 50,00 | ×1 |
| ✓ 14 | 29/4/2016 | 9th Ishioka Trail Run | 49,00 | ×1 |
| ✓ 15 | 16/6/2019 | 1st FunTrails Round Minano | 48,30 | ×1 |