Justin Dykstra
External sources
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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.
28
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
56,6%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 1 105; Σ finishers = 1 951. 1 105 / 1 951 × 100 = 56.64%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 067 km
Longest race100,0 km
29th Miwok 100k Trail Race — 2/5/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M1
🏅 Top 31
🏅 Top 3 M1
Longest winning streak1
Current streak0
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 2/5/2026 | 29th Miwok 100k Trail Race | 100,00 | ×3 |
| ✓ 2 | 9/7/2022 | 9th Beaverhead 100K Endurance Run | 100,00 | ×3 |
| ✓ 3 | 10/4/2021 | 10th The Zion 100 km Run | 100,00 | ×3 |
| ✓ 4 | 13/4/2024 | 10th Gorge Waterfalls 100k | 98,90 | ×3 |
| ✓ 5 | 1/4/2023 | 9th Gorge Waterfalls 100k | 98,90 | ×3 |
| ✓ 6 | 7/9/2019 | 11th Run Woodstock - Peace Love and 50 Miles | 80,47 | ×2 |
| ✓ 7 | 24/10/2020 | 3rd The Ultra Bird 12 Hour Trail Race | 80,47 | ×2 |
| ✓ 8 | 21/10/2023 | 6th The Ultra Bird 6 Hour Trail Race | 58,74 | ×2 |
| ✓ 9 | 6/9/2025 | 17th Run Woodstock - Freak 50 km | 50,00 | ×1 |
| ✓ 10 | 20/8/2022 | 14th Marquette Trail 50 km | 50,00 | ×1 |
| ✓ 11 | 3/6/2022 | 12th Yankee Springs 50 km Trail Run | 50,00 | ×1 |
| ✓ 12 | 5/6/2021 | 11th Yankee Springs 50 km Trail Run | 50,00 | ×1 |
| ✓ 13 | 13/7/2019 | 8th Dirty Burg 50K Trail Run | 50,00 | ×1 |
| ✓ 14 | 1/6/2019 | 24th Kettle Moraine 50 km Endurance Run | 50,00 | ×1 |
| ✓ 15 | 6/10/2018 | 3rd Yankee Springs Fall Trail Run Festival | 50,00 | ×1 |