Jacob Duncan
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Born : 1976
Cat. M50 Ultrarunner since 2013
15
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 ?United States
United States44,7%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 813; Σ finishers = 1 819. 813 / 1 819 × 100 = 44.69%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 300 km
> 100 km3
> 160 km2
Longest race160,9 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 13/9/2019 | 13th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run | 160,93 | ×5 |
| ✓ 2 | 3/2/2018 | 26th Rocky Raccoon 100 Mile Trail Run | 160,93 | ×5 |
| ✓ 3 | 29/10/2022 | 20th Javelina Jundred 100 Mile Endurance Run | 159,20 | ×4 |
| ✓ 4 | 30/9/2017 | 8th The Bear Chase 100 km | 100,00 | ×3 |
| ✓ 5 | 27/9/2015 | 6th The Bear Chase 100 km | 100,00 | ×3 |
| ✓ 6 | 27/7/2018 | 5th Chase the Moon 12 Hour Endurance Run | 82,88 | ×2 |
| ✓ 7 | 24/9/2022 | 13th The Bear Chase 50 Mile | 80,47 | ×2 |
| ✓ 8 | 25/4/2015 | 5th Salt Flats 50 Mile | 80,47 | ×2 |
| ✓ 9 | 15/7/2022 | 9th Chase the Moon 12 Hour Endurance Run | 66,30 | ×2 |
| ✓ 10 | 30/6/2023 | 10th Chase the Moon 12 Hour Endurance Run | 58,58 | ×1 |
| ✓ 11 | 3/5/2025 | 21st Greenland Trail Race | 50,00 | ×1 |
| ✓ 12 | 1/6/2019 | 11th Golden Gate Dirty 30 | 50,00 | ×1 |
| ✓ 13 | 5/9/2015 | 1st Hideaway 50 km Trail Run | 50,00 | ×1 |
| ✓ 14 | 23/8/2014 | 10th Lean Horse Ultra-Marathon 50 km | 50,00 | ×1 |
| ✓ 15 | 12/10/2013 | 2nd Market to Market 50 | 50,00 | ×1 |