Transruinaulta 42K 42.2 km trail running route — Switzerland · Graubünden

Switzerland · Graubünden

Transruinaulta 42K

Distance

42.2 km

Date

October 24, 2026

Entry fee

95 CHF

€ / km

€2.45

Swiss canyon runway: fast trails along the Rhine gorge with stunning cliffs and easy logistics.

Elevation and Terrain

Total Meters

1800m

D+/KM

42.65m/km

For context, the Tor des Géants 330 loop has 73 D+/km.

Avg Uphill Gradient

11.6%

Avg Downhill Gradient

-10.5%

Uphill gradient distribution

2–5%
3.1 km
5–10%
4.1 km
10–15%
5.2 km
15–20%
2.0 km
20%+
1.4 km

Route Profile

Analysed 2026-05-02

Terrain breakdown

37%Uphill23%Flat40%Downhill

Terrain

Canyon

Climbs

Transruinaulta 42K climbs and descents profile

Top climbs

1

3.0 km · 350 m gain

starts km 25 · avg 11.6% · max 20.1%

2

2.9 km · 222 m gain

starts km 17 · avg 7.8% · max 19.7%

3

1.7 km · 215 m gain

starts km 29 · avg 12.8% · max 21.3%

Top descents

1

4.8 km · 412 m drop

starts km 31 · avg -8.5% · max -23.2%

2

3.4 km · 340 m drop

starts km 21 · avg -10.0% · max -33.5%

3

2.6 km · 200 m drop

starts km 15 · avg -8.0% · max -44.3%

Race files

Logistics

Nearest airport

Zürich (ZRH)

Notes

Start: ~2–2.75 hrs to Ilanz by train+bus / Public transport: good (rail to Chur + RhB to Ilanz) / Accommodation: moderate in Ilanz/Flims/Laax; book early (summer)

Last checked: February 19, 2026Official Website →