Swiss Irontrail 55 km trail running route — Switzerland · Canton Grisons (Val Surses / Parc Ela)

Switzerland · Canton Grisons (Val Surses / Parc Ela)

Swiss Irontrail

Distance

55 km

Date

June 27, 2026

Entry fee

110 CHF

€ / km

€2.18

Graubünden mountain odyssey: long ridges, huge vert, and a quietly brutal alpine challenge.

Elevation and Terrain

Total Meters

4199m

D+/KM

76.35m/km

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

Avg Uphill Gradient

14.8%

Avg Downhill Gradient

-15.1%

Uphill gradient distribution

2–5%
3.8 km
5–10%
6.1 km
10–15%
5.4 km
15–20%
4.5 km
20%+
6.9 km

Route Profile

Analysed 2026-05-02

Terrain breakdown

48%Uphill11%Flat41%Downhill

Terrain

Alpine

Climbs

Swiss Irontrail climbs and descents profile

Top climbs

1

8.5 km · 757 m gain

starts km 5 · avg 8.9% · max 53.9%

2

5.7 km · 743 m gain

starts km 20 · avg 13.0% · max 53.8%

3

4.4 km · 515 m gain

starts km 0 · avg 11.7% · max 37.1%

Top descents

1

6.9 km · 1006 m drop

starts km 48 · avg -14.6% · max -43.1%

2

3.7 km · 495 m drop

starts km 26 · avg -13.3% · max -32.8%

3

2.4 km · 480 m drop

starts km 17 · avg -20.0% · max -39.7%

Race files

Logistics

Nearest airport

Zürich (ZRH)

Notes

Start: ~2.5–3.5 hrs drive/train+bus to Savognin / Public transport: feasible but slow (train to Chur/Thusis + bus) / Accommodation: limited in Val Surses; book early

Remote location icon

FAR

It’ll possibly take 3+ hours from the closest large airport to arrive. Plan your adventure accordingly, take an extra day for those after-race beers or Curranz.

Last checked: February 23, 2026Official Website →