offroadfinnmark 300 is an MTB adventure race, just like offroadfinnmark 700. However, offroadfinnmark 300 is a shorter version which traverses amazing scenery. There are four checkpoints,  three of which are cabins on Finnmark's mountain plateau. The trajectory is Alta - Maze - Suossjavri - Mollisjok - Joatka - Alta. Download map for gps.

The 2011 winners Håvard Hansen and Daniel Strand completed the race in 20 hours and 59 minutes, having spent only 2 hours and 8 minutes at the various checkpoints.

The race begins with the opening ceremony on Saturday morning, and the estimated time of arrival for the winning team is the morning after.

The race is a team competition, for teams of 2 or 3 riders. The competitors are divided into Male, Female and Mixed classes.

The riders need to bring all the necessary equipment, but food is served at the checkpoints.