Karl Christianson
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20
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
31
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
73,1%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 5 342; Σ finishers = 7 304. 5 342 / 7 304 × 100 = 73.14%. A win adds 0 to the numerator. Lower is better.
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road4,3%
Trail95,7%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 30
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
20 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/11/2021 | 59th JFK 50 Mile | 81,30 | ×2 |
| ✓ 2 | 23/11/2024 | 62nd JFK 50 Mile | 80,47 | ×2 |
| ✓ 3 | 19/11/2022 | 60th JFK 50 Mile | 80,47 | ×2 |
| ✓ 4 | 30/7/2022 | 16th Burning River 50 Mile Endurance Run | 80,47 | ×2 |
| ✓ 5 | 4/6/2022 | 33th Mohican Trail 50 Mile | 80,47 | ×2 |
| ✓ 6 | 24/7/2021 | 15th Burning River 50 Mile Endurance Run | 80,47 | ×2 |
| ✓ 7 | 19/6/2021 | 32th Mohican Trail 50 Mile | 80,47 | ×2 |
| ✓ 8 | 21/11/2020 | 58th JFK 50 Mile | 80,47 | ×2 |
| ✓ 9 | 23/11/2019 | 57th JFK 50 Mile | 80,47 | ×2 |
| ✓ 10 | 17/11/2018 | 56th JFK 50 Mile | 80,47 | ×2 |
| ✓ 11 | 21/9/2019 | 12th Trails 4 Tails 40 Mile Run | 64,37 | ×2 |
| ✓ 12 | 24/5/2025 | 4th Bubbletown What the Duck Ultra | 57,10 | ×1 |
| ✓ 13 | 1/9/2024 | 14th Labor Pain 12 Hour Endurance Trail Run | 56,33 | ×1 |
| ✓ 14 | 5/6/2021 | 1st Bashore Bash 12 Hr | 54,07 | ×1 |
| ✓ 15 | 27/6/2026 | 3rd Trail Golf Endurance Challenge | 50,00 | ×1 |
| ✓ 16 | 2/10/2022 | 17th Blues Cruise 50K Ultra Trail | 50,00 | ×1 |
| ✓ 17 | 25/9/2022 | 13th Ironmasters Challenge 50k Ultra | 50,00 | ×1 |
| ✓ 18 | 3/10/2021 | 16th Blues Cruise 50K Ultra Trail | 50,00 | ×1 |
| ✓ 19 | 6/10/2019 | 14th Blues Cruise 50K Ultra Trail | 50,00 | ×1 |
| ✓ 20 | 21/4/2018 | 2nd Schuylkill River 50k | 50,00 | ×1 |