Colby Sorensen
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Born : 1993
Cat. M23 Ultrarunner since 2022
13
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 States39,0%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 290; Σ finishers = 743. 290 / 743 × 100 = 39.03%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races925 km
> 100 km3
> 160 km1
> 24h2
Longest race160,9 km
8th Mines of Spain 100 Mile Race — 17/10/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road33,8%
Trail44,4%
Elim.21,7%
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 19.09 | Backyard Ultra | 6th Broken Anvil Backyard Ultra |
100.590 km (15h) | 20 |
| 29.08 | 50km | 5th ScoCo 50 |
5:34:29 h | 24 |
| 13.06 | 100km | 31st Kettle Moraine 100 km Endurance Run |
16:52:53 h | 34 |
| 18.04 | 50km | 6th Loud Thunder 50 km Race |
7:25:06 h | 17 |
| 2025 | ||||
| 17.10 | 100mi | 8th Mines of Spain 100 Mile Race |
31:47:44 h | 57 |
| 20.09 | Backyard Ultra | 5th Broken Anvil Backyard Ultra |
100.590 km (15h) | 21 |
| 23.08 | 50km | 4th ScoCo 50 |
5:24:52 h | 18 |
| 14.06 | 9h | 10th Schuetzen NEIN! Hour Endurance Run |
62.925 km | 12 |
| 2024 | ||||
| 24.08 | 50km | 3rd ScoCo 50 |
5:10:25 h | 11 |
| 20.07 | 50km | 2nd Lake Macbride Trail Races |
5:55:28 h | 18 |
| 2023 | ||||
| 26.08 | 50km | 2nd ScoCo 50 |
6:20:30 h | 30 |
| 2022 | ||||
| 27.08 | 50km | 1st ScoCo 50 |
6:50:45 h | 32 |
| 06.08 | 50km | 6th Trail of the Dragon 50 km |
8:49:30 h | 9 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 17/10/2025 | 8th Mines of Spain 100 Mile Race | 160,93 | ×6 |
| ✓ 2 | 19/9/2026 | 6th Broken Anvil Backyard Ultra | 100,59 | ×4 |
| ✓ 3 | 20/9/2025 | 5th Broken Anvil Backyard Ultra | 100,59 | ×4 |
| ✓ 4 | 13/6/2026 | 31st Kettle Moraine 100 km Endurance Run | 100,00 | ×4 |
| ✓ 5 | 14/6/2025 | 10th Schuetzen NEIN! Hour Endurance Run | 62,93 | ×2 |
| ✓ 6 | 29/8/2026 | 5th ScoCo 50 | 50,00 | ×2 |
| ✓ 7 | 18/4/2026 | 6th Loud Thunder 50 km Race | 50,00 | ×2 |
| ✓ 8 | 23/8/2025 | 4th ScoCo 50 | 50,00 | ×2 |
| ✓ 9 | 24/8/2024 | 3rd ScoCo 50 | 50,00 | ×2 |
| ✓ 10 | 20/7/2024 | 2nd Lake Macbride Trail Races | 50,00 | ×2 |
| ✓ 11 | 26/8/2023 | 2nd ScoCo 50 | 50,00 | ×2 |
| ✓ 12 | 27/8/2022 | 1st ScoCo 50 | 50,00 | ×2 |
| ✓ 13 | 6/8/2022 | 6th Trail of the Dragon 50 km | 50,00 | ×2 |