This is what I found , its a walking trail.
Shared route
From Lauterbrunnen to Männlichen via Eiger Ultra Trail.
2 hr 36 min (7.4 km)
1. Walk north-east on In der Ey towards Witimatte
2. Continue onto Rain
3. Continue onto Beim Brüggli
4. Continue onto Stocki
5. Turn right to stay on Stocki
6. Stocki turns left and becomes Dornimaad
7. Continue onto Ryscher
8. Turn right onto Unter den Fuhren
9. Turn left towards Am Acher
10. Slight left onto Am Acher
11. Continue onto Chriizstutz
12. Continue onto Dorfstrasse
13. Continue straight onto Bühl
14. Turn right onto Greubi
15. Continue onto Im Schleif
16. Continue onto Schleif
17. Turn left onto Stutz
18. Slight right onto Eiger Ultra Trail
19. Turn right towards Eiger Ultra Trail
20. Slight right onto Eiger Ultra Trail
21. Sharp left onto Männlichen
22. Arrive at location: Männlichen
To see this route visit goo.gl/maps/QAArmBEajd T2