David Luthman
External sources
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Born : 1987
Cat. M35 Ultrarunner since 2021
4
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
19
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
Sweden72,3%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 159; Σ finishers = 220. 159 / 220 × 100 = 72.27%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed4
Km — ultra races388 km
> 100 km1
> 24h1
Longest race114,0 km
15th Täby Extreme Challenge Backyard — 21/4/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail51,6%
Elim.48,4%
Records
HISTORY
4 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 01.08 | 100km | Fjällmaraton 100K |
17:56:20 h | 88 |
| 19.04 | Backyard Ultra | 16th Täby Extreme Challenge (TEC) - Backyard |
73.766 km (11h) | 16 |
| 2023 | ||||
| 21.04 | Backyard Ultra | 15th Täby Extreme Challenge Backyard |
114.002 km (17h) | 5 |
| 2021 | ||||
| 07.08 | 100km | Fjällmaraton 100K |
16:47:46 h | 54 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/4/2023 | 15th Täby Extreme Challenge Backyard | 114,00 | ×6 |
| ✓ 2 | 1/8/2024 | Fjällmaraton 100K | 100,00 | ×5 |
| ✓ 3 | 7/8/2021 | Fjällmaraton 100K | 100,00 | ×5 |
| ✓ 4 | 19/4/2024 | 16th Täby Extreme Challenge (TEC) - Backyard | 73,77 | ×3 |