Johan Ylläsjärvi
ID 1801968
Born : 1976 Cat. M50 Ultrarunner since 2022 SWE
16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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 ?SWESweden
78,1%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 2 710; Σ finishers = 3 469. 2 710 / 3 469 × 100 = 78.12%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed16
Km — ultra races1 133 km
> 100 km2
> 160 km2
> 24h2
Longest race163,0 km
The Gax 100 miles — 19/7/2025

Km per year (ultra races)

46
1 race
2022
207
3 races
2023
289
5 races
2024
261
3 races
2025
330
4 races
2026

Race types (share of distance)

Road30,3%
Trail55,5%
Elim.14,2%

Records

50 km7h05'04100 mi28h44'506 h51,74 km12 h46,94 kmBackyard10 loops

HISTORY

16 race(s)
DateRacePerf.Rk
2026
18.07 100mi SWE17 The Gax 100 miles 28:44:50 h51
09.05 75km SWEGotaleden Ultra 11:50:28 h187
18.04 Backyard Ultra SWEKnallens Backyard Ultra 46.942 km14
14.03 6h SWE21 Skövde 6-timmars 46.703 km76
2025
19.07 163km SWEThe Gax 100 miles 31:27:00 h62
24.05 50km SWEBorås Ultra Marathon 50km 7:05:04 h38
08.03 6h SWE20 Skövde 6-timmars 48.302 km83
2024
02.11 6h SWEBorås 6-timmars 51.743 km54
14.09 6h SWEPartille 6-timmars 50.422 km13
17.08 90km SWE10th Ultravasan90 13:33:06 h908
06.07 6h SWESkövde Ultrafestival 6h 50.051 km14
31.05 Backyard Ultra SWEJernbruket Backyard Ultra 46.942 km (7h)64
2023
04.11 6h SWEBorås 6-timmars 50.222 km84
19.08 90km SWE9th Ultravasan90 14:44:11 h937
02.06 Backyard Ultra SWEJernbruket Backyard Ultra 67.060 km (10h)45
2022
05.11 6h SWEBorås 6-timmars 46.055 km96