Björn Larsson
Born : 1980 Cat. M45 Ultrarunner since 2008 SWE
22
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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
3
Countries visited ?DENDenmarkFINFinlandSWESweden
52,0%
Rank quotient ?This runner's calculation uses 22 eligible race(s): Σ(rank − 1) = 845; Σ finishers = 1 625. 845 / 1 625 × 100 = 52.00%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed22
Km — ultra races1 908 km
> 100 km10
> 24h13
Longest race151,5 km
24h Hallsberg — 25/7/2009

Km per year (ultra races)

119
2 races
2022
156
2 races
2023
129
2 races
2024
127
1 race
2025
74
1 race
2026

Race types (share of distance)

Road37,4%
Trail11,4%
Elim.32,7%
?18,5%

Wins & podiums (ultra)

🏆 Win1
🏆 Win M1
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak0

HISTORY

22 race(s) · 4 split(s) nested
DateRacePerf.Rk
2026
06.06 Backyard Ultra SWE10. Risinge Backyard Ultra 73.766 km (11h)9
2025
02.08 Backyard Ultra SWE4 Personliga Rekordens Backyard 127.414 km (19h)3 🥉
2024
15.12 6h SWEPersonliga Rekordens Tävling - PRT 6h #3 62.284 km1 🏆
10.08 Backyard Ultra SWE4 Personliga Rekordens Backyard 67.060 km (10h)22
2023
10.12 6h SWEPersonliga Rekordens Tävling - PRT 6h #3 55.344 km6
05.08 Backyard Ultra SWE4 Personliga Rekordens Backyard 100.590 km (15h)17
2022
20.08 45km SWE8th Ultravasan45 5:39:40 h351
06.08 Backyard Ultra SWE3rd Personliga Rekordens Backyard 73.766 km (11h)35
2021
04.09 Backyard Ultra SWE1. Bocksten Vineyard Backyard Ultra 67.060 km (10h)49
07.08 Backyard Ultra SWE2nd Personliga Rekordens Backyard 60.354 km (9h)40
2020
08.08 Backyard Ultra SWE1st Personliga Rekordens Backyard 53.648 km (8h)21
2014
28.06 64km SWESilverleden på en dag 9:01:58 h31
06.04 45km SWE15. Ursvik Ultra 45 km 5:37:11 h21
2013
24.08 24h SWESkövde Ultrafestival 24h 110.424 km16
29.06 64km SWESilverleden på en dag 10:14:23 h13
2012
24.08 24h SWESkövde Ultrafestival 24h 100.400 km22
2011
26.08 24h SWESkövde Ultrafestival 24h 100.195 km39
2010
27.08 24h SWESkövde Ultrafestival 24h 139.004 km20
30.01 24h FINIII Endurance 24 h Ultrarun Helsinki 100.240 km99
2009
25.07 24h SWE24h Hallsberg 151.454 km15
10.01 24h DEN1. Aarhus 1900 24 hours Indoor Run 134.397 km24
2008
24.07 24h SWE24h Hallsberg 112.595 km13