Alex Lin
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Born : 1983
Cat. M40 Ultrarunner since 2017
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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 ?United States
United States52,7%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 852; Σ finishers = 1 616. 852 / 1 616 × 100 = 52.72%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races917 km
Longest race100,0 km
13th Sean O'Brien 100 km Trail Race — 31/1/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
14 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 31/1/2026 | 13th Sean O'Brien 100 km Trail Race | 100,00 | ×4 |
| ✓ 2 | 3/5/2025 | 28th Miwok 100k Trail Race | 100,00 | ×4 |
| ✓ 3 | 29/9/2024 | 42nd Dick Collins Firetrails 100 km | 100,00 | ×4 |
| ✓ 4 | 28/10/2023 | 2nd SAMO Trail Runs | 80,47 | ×3 |
| ✓ 5 | 23/4/2022 | 29th Leona Divide 50 Mile Run | 80,47 | ×3 |
| ✓ 6 | 11/7/2026 | 17th Dirty Dozen 6h Endurance Run | 56,94 | ×2 |
| ✓ 7 | 6/7/2019 | 10th Dirty Dozen 6h Endurance Run | 51,52 | ×2 |
| ✓ 8 | 27/1/2024 | 12th Fort Ord 50K Trail Run | 50,00 | ×2 |
| ✓ 9 | 24/9/2023 | 2nd South Hills Single Track Trail Run - Summer | 50,00 | ×2 |
| ✓ 10 | 13/5/2023 | 40th Quicksilver 50 km Endurance Run | 50,00 | ×2 |
| ✓ 11 | 26/3/2022 | 1st South Hills Single Track Trail Run - Spring | 50,00 | ×2 |
| ✓ 12 | 3/10/2021 | 3rd Three Sisters Skyline 50km Race | 50,00 | ×2 |
| ✓ 13 | 2/3/2019 | 30th Way Too Cool 50K Endurance Run | 50,00 | ×2 |
| ✓ 14 | 8/7/2017 | 8th Dirty Dozen 6h Endurance Run | 47,25 | ×1 |