Fredrik Bergström
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Born : 1984
Cat. M40 Ultrarunner since 2022
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
Sweden19,9%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 607; Σ finishers = 3 051. 607 / 3 051 × 100 = 19.90%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races907 km
> 100 km3
> 160 km2
> 24h2
Longest race161,0 km
Kullamannen Ultra 100 miles — 3/11/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail80,8%
Elim.19,2%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 16.08 | 92km | 11th Ultravasan90 |
9:36:29 h | 180 |
| 2024 | ||||
| 07.09 | 45km | Göteborg Trailrun |
5:49:57 h | 15 |
| 04.08 | 100km | Halland Ultra-Beach Trailrun (HUB 100 km) |
12:23:00 h | 2 🥈 |
| 31.05 | Backyard Ultra | Jernbruket Backyard Ultra |
53.648 km (8h) | 54 |
| 20.01 | 60km | Sandsjöbacka Trail - 60K |
7:03:36 h | 17 |
| 2023 | ||||
| 03.11 | 161km | Kullamannen Ultra 100 miles |
25:13:08 h | 197 |
| 02.06 | Backyard Ultra | Jernbruket Backyard Ultra |
120.708 km (18h) | 13 |
| 15.04 | 60km | ÖST Ultra 60k |
5:45:35 h | 46 |
| 2022 | ||||
| 05.11 | 54km | Kullamannen Sibirien Ultra 50 km |
6:18:28 h | 84 |
| 06.08 | 100mi | Halland Ultra-Beach Trailrun (HUB 100 miles) |
27:12:00 h | 9 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 3/11/2023 | Kullamannen Ultra 100 miles | 161,00 | ×5 |
| ✓ 2 | 6/8/2022 | Halland Ultra-Beach Trailrun (HUB 100 miles) | 160,93 | ×5 |
| ✓ 3 | 2/6/2023 | Jernbruket Backyard Ultra | 120,71 | ×4 |
| ✓ 4 | 4/8/2024 | Halland Ultra-Beach Trailrun (HUB 100 km) | 100,00 | ×3 |
| ✓ 5 | 16/8/2025 | 11th Ultravasan90 | 92,00 | ×3 |
| ✓ 6 | 20/1/2024 | Sandsjöbacka Trail - 60K | 60,00 | ×2 |
| ✓ 7 | 15/4/2023 | ÖST Ultra 60k | 60,00 | ×2 |
| ✓ 8 | 5/11/2022 | Kullamannen Sibirien Ultra 50 km | 54,00 | ×2 |
| ✓ 9 | 31/5/2024 | Jernbruket Backyard Ultra | 53,65 | ×1 |
| ✓ 10 | 7/9/2024 | Göteborg Trailrun | 45,00 | ×1 |