Nikolai Zahl Marken
Born : 1980 Cat. M45 Ultrarunner since 2015 NOR
24
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
39
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 ?AUTAustriaNORNorwaySWESweden
50,1%
Rank quotient ?This runner's calculation uses 25 eligible race(s): Σ(rank − 1) = 1 662; Σ finishers = 3 319. 1 662 / 3 319 × 100 = 50.08%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed25
Km — ultra races1 956 km
> 100 km5
> 24h6
Longest race126,7 km

Km per year (ultra races)

2022
234
3 races
2023
204
2 races
2024
152
2 races
2025
148
2 races
2026

Race types (share of distance)

Road11,3%
Trail64,5%
Elim.11,7%
?12,6%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M1
Longest winning streak0
Current streak0

HISTORY

25 race(s) · 2 split(s) nested
DateRacePerf.Rk
2026
02.05 88km NOR6. Skogvokteren Ultra 14:36:35 h58
11.04 60km NOR10. KRS Ultra 8:37:43 h57
2025
07.06 92km AUT13. mozart Ultra 15:40:12 h176
05.04 60km NOR9 KRS Ultra 11:48:28 h167
2024
16.06 103km NORNøsen Hundreds Ultramarathon - 100km 16:36:10 h44
23.03 Backyard Ultra NOR3. Ekeberg Backyard Ultra 100.590 km (15h)20
2023
29.04 86.9km NORSkogvokteren Ultra 13:25:32 h17
15.04 6h NORCaptare 6-timers 67.125 km2 🥈
11.02 Backyard Ultra NOR2. Ekeberg Backyard Ultra – Last One Standing 80.472 km (12h)19
2021
20.11 24h NORBislett 24-Hour Indoor Challenge 119.028 km103
10.09 24h NOR24 Hours in Hell 68.027 km44
07.08 80km NOR6th EcoTrail of Oslo 80 km 10:36:25 h69
12.06 102.3km NORNøsen Hundreds Ultramarathon 13:08:07 h22
2020
26.09 54km NORHauernUltra 6:25:27 h12
08.08 Backyard Ultra NOR2. Last Man Standing - Østmarka Backyard Ultra 46.942 km (7h)41
2019
25.05 80km NOR5th EcoTrail of Oslo 80 km 10:47:50 h154
27.04 60km NOR4 KRS Ultra - NC Ultra Trail 7:36:36 h48
27.04 60km NOR4 KRS Ultra - open race 7:36:36 h59
12.01 50km SWESandsjöbacka Trail - 50km 6:20:45 h119
2018
23.06 50km NOR4th Romeriksåsen på langs 6:45:22 h122
26.05 80km NOR4th EcoTrail of Oslo 80 km 11:59:17 h146
2016
18.11 24h NORBislett 24h hour indoor challenge 126.672 km73
13.08 75km NORHof Toppers Ultraløp 75km 9:57:38 h10
21.05 80km NOR2nd EcoTrail of Oslo 80 km 9:01:52 h102
2015
10.10 86km NOROslofjorden Rundt 86km 10:34:00 h3 🥉