Iceland · Southwest Iceland
Hengill Ultra Trail
Distance
106 km
Date
June 5, 2026
Entry fee
54,500 ISK
€ / km
€3.55
Geothermal highlands: runnable volcanic trails near Reykjavík with steam vents and wild weather.
Elevation and Terrain
Total Meters
4100m
D+/KM
38.68m/km
For context, the Tor des Géants 330 loop has 73 D+/km.
Avg Uphill Gradient
11.0%
Avg Downhill Gradient
-11.1%
Uphill gradient distribution
Route Profile
Analysed 2026-05-02Terrain breakdown
Terrain
Climbs
Top climbs
3.8 km · 427 m gain
starts km 22 · avg 11.3% · max 56.1%
3.8 km · 424 m gain
starts km 74 · avg 11.1% · max 44.5%
7.8 km · 317 m gain
starts km 4 · avg 4.0% · max 35.9%
Top descents
5.6 km · 456 m drop
starts km 81 · avg -8.1% · max -66.7%
5.0 km · 433 m drop
starts km 29 · avg -8.8% · max -126.3%
5.5 km · 317 m drop
starts km 92 · avg -6.0% · max -28.3%
Race files
Logistics
Nearest airport
Reykjavík Keflavík (KEF)
Notes
Start: ~1.0–1.5 hrs drive to Hveragerði/Hengill area / Public transport: possible bus to Hveragerði + taxi
