Carl Boström
External sources
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Born : 1955
Cat. M70 Ultrarunner since 2011
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
12
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
Sweden87,9%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 326; Σ finishers = 371. 326 / 371 × 100 = 87.87%. 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)
Road66,7%
Trail33,3%
Records
HISTORY
2 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2012 | ||||
| 28.04 | 50km | Lidingö Ultra 50 km |
6:08:55 h | 311 |
| 2011 | ||||
| 01.07 | 100km | 13. Lapland Ultra |
13:49:59 h | 17 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/7/2011 | 13. Lapland Ultra | 100,00 | ×8 |
| ✓ 2 | 28/4/2012 | Lidingö Ultra 50 km | 50,00 | ×4 |