Jacob Karlsson
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Born : 1990
Cat. M35 Ultrarunner since 2023
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
13
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 ?Sweden
Sweden44,1%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 142; Σ finishers = 322. 142 / 322 × 100 = 44.10%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed3
Km — ultra races188 km
> 24h3
Longest race73,8 km
3. Backyard Ultra Ljungby — 5/10/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Elim.100,0%
Records
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 27.09 | Backyard Ultra | 5 Backyard Ultra Ljungby |
46.942 km (7h) | 78 |
| 2024 | ||||
| 05.10 | Backyard Ultra | 3. Backyard Ultra Ljungby |
73.766 km (11h) | 29 |
| 2023 | ||||
| 07.10 | Backyard Ultra | 3. Backyard Ultra Ljungby |
67.060 km (10h) | 38 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/10/2024 | 3. Backyard Ultra Ljungby | 73,77 | ×5 |
| ✓ 2 | 7/10/2023 | 3. Backyard Ultra Ljungby | 67,06 | ×5 |
| ✓ 3 | 27/9/2025 | 5 Backyard Ultra Ljungby | 46,94 | ×3 |