Vasaloppet is the world’s oldest, longest and biggest cross-country ski race. Since 2014, the world’s marathon runners are welcome to run the same stretch, past all the famous checkpoints. Ultravasan 90 runs on 57 km of forest road, 9 km of gravel, 18 km paths and 6 km of asphalt. The track incline is 867 metres and you may spend a maximum of 15 hours on the course. Course record: Men 05:45:08, Women 06:54:32.