Mai (糸原舞) Itohara
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17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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
2
Countries visited ?
Italy
Japan
33,9%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 3 625; Σ finishers = 10 699. 3 625 / 10 699 × 100 = 33.88%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races1 765 km
> 100 km8
> 160 km3
Longest race169,0 km
4th Lake Biwa 100 — 11/10/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road15,8%
Trail75,7%
Stage8,5%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F1
🏅 Top 31
🏅 Top 3 F3
Longest winning streak0
Current streak0
HISTORY
17 race(s) · 2 stage(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/10/2024 | 4th Lake Biwa 100 | 169,00 | ×4 |
| ✓ 2 | 6/10/2023 | 3rd Lake Biwa 100 | 169,00 | ×4 |
| ✓ 3 | 15/9/2018 | 10th Shinetsu Five Mountains Trail 100 mile | 160,93 | ×4 |
| ✓ 4 | 28/2/2026 | 3rd Modern Japanese Silk Road Journey Run | 150,00 | ×4 |
| ✓ 5 | 21/9/2019 | 6th SkyView Ultra-Trail 140 - Yamada Noboru Memorial Cup | 143,00 | ×3 |
| ✓ 6 | 24/4/2016 | 26th Fuji 5 Lakes 118 km Challenge | 118,00 | ×3 |
| ✓ 7 | 18/9/2016 | 8th Shinetsu Five Mountains Trail 110km | 110,00 | ×2 |
| ✓ 8 | 1/9/2017 | 12ème Courmayeur-Champex-Chamonix (CCC) | 101,00 | ×2 |
| ✓ 9 | 21/5/2017 | 23rd Yatsugatake Nobeyama 100 km | 100,00 | ×2 |
| ✓ 10 | 27/9/2015 | 18th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 11 | 26/6/2016 | 3. Spatrail - Shima to Kusatsu | 72,70 | ×1 |
| ✓ 12 | 20/5/2018 | 23th Saba Highway Ultramarathon | 72,00 | ×1 |
| ✓ 13 | 10/12/2017 | 4th Izu Trail Journey | 71,70 | ×1 |
| ✓ 14 | 9/10/2016 | 24th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×1 |
| ✓ 15 | 13/7/2019 | 10th Nozawa Onsen 4100D Mountain Trail | 65,00 | ×1 |
| ✓ 16 | 18/6/2017 | 3rd Echigo Country Trail | 53,00 | ×1 |
| ✓ 17 | 13/11/2016 | 8th Kanna Mountain Run II | 50,00 | ×1 |