Craig Kohring
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18
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
14,8%
Rank quotient ?This runner's calculation uses 18 eligible race(s): Σ(rank − 1) = 661; Σ finishers = 4 464. 661 / 4 464 × 100 = 14.81%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed18
Km — ultra races955 km
> 100 km1
> 24h1
Longest race104,6 km
1st Roots Rock Around the Clock Backyard Ultra — 31/8/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail89,0%
Elim.11,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0
Records
HISTORY
18 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 12.04 | 50km | 5:54:40 h | 7 | |
| 15.03 | 50km | 4:44:02 h | 54 | |
| 2024 | ||||
| 20.04 | 50km | 7:16:59 h | 18 | |
| 16.03 | 50km | 5:45:30 h | 214 | |
| 2023 | ||||
| 09.12 | 50km | 4:25:54 h | 5 | |
| 20.05 | 50km | 5:57:03 h | 32 | |
| 15.04 | 50km | 5:52:22 h | 3 🥉 | |
| 18.03 | 50km | 4:28:24 h | 40 | |
| 2022 | ||||
| 14.05 | 50km | 5:15:16 h | 29 | |
| 19.03 | 50km | 4:59:30 h | 75 | |
| 2019 | ||||
| 14.12 | 50km | 4:25:43 h | 9 | |
| 31.08 | Backyard Ultra | 104.607 km | 4 | |
| 18.05 | 50km | 5:20:07 h | 23 | |
| 16.03 | 50km | 4:48:13 h | 42 | |
| 2018 | ||||
| 08.12 | 50km | 4:46:14 h | 21 | |
| 23.06 | 50km | 4:38:06 h | 3 🥉 | |
| 19.05 | 50km | 4:58:13 h | 20 | |
| 2017 | ||||
| 07.10 | 50km | 5:43:05 h | 80 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 31/8/2019 | 1st Roots Rock Around the Clock Backyard Ultra | 104,61 | ×4 |
| ✓ 2 | 12/4/2025 | 15th Yakima Skyline Rim 50k | 50,00 | ×2 |
| ✓ 3 | 15/3/2025 | 31st Chuckanut 50K | 50,00 | ×2 |
| ✓ 4 | 20/4/2024 | 14th Yakima Skyline Rim 50k | 50,00 | ×2 |
| ✓ 5 | 16/3/2024 | 30th Chuckanut 50K | 50,00 | ×2 |
| ✓ 6 | 9/12/2023 | 12th Deception Pass 50 km | 50,00 | ×2 |
| ✓ 7 | 20/5/2023 | 15th Sun Mountain 50 km Trail Races | 50,00 | ×2 |
| ✓ 8 | 15/4/2023 | 12th Yakima Skyline Rim 50k | 50,00 | ×2 |
| ✓ 9 | 18/3/2023 | 29th Chuckanut 50K | 50,00 | ×2 |
| ✓ 10 | 14/5/2022 | 14th Sun Mountain 50 km Trail Races | 50,00 | ×2 |
| ✓ 11 | 19/3/2022 | 28th Chuckanut 50K | 50,00 | ×2 |
| ✓ 12 | 14/12/2019 | 9th Deception Pass 50 km | 50,00 | ×2 |
| ✓ 13 | 18/5/2019 | 11th Sun Mountain 50 km Trail Races | 50,00 | ×2 |
| ✓ 14 | 16/3/2019 | 27th Chuckanut 50K | 50,00 | ×2 |
| ✓ 15 | 8/12/2018 | 8th Deception Pass 50 km | 50,00 | ×2 |
| ✓ 16 | 23/6/2018 | 8th Taylor Mountain 50 km Trail Run | 50,00 | ×2 |
| ✓ 17 | 19/5/2018 | 10th Sun Mountain 50 km Trail Races | 50,00 | ×2 |
| ✓ 18 | 7/10/2017 | 4th Oregon Coast 50k | 50,00 | ×2 |