Each race consists of two runs, held back-to-back on the same course. Each racer's faster run of the two is counted. A racer may elect to take only one run.
Teams may submit up to 26 racers on the Friday on their start list, but only 24 may start the race.
Racers score points based on their finish within their age group and the size of their group. A team's points for a race are based on its best 18 racers, with a minimum of 4 women. The team that scores the most points in the four regular season races wins the regular season championship. The full points system is explained on the scoring page.
The finals are hosted by the regular season champion of the previous season.
Each racer must compete in two regular season races in order to be eligible to compete in the finals, but each team may include one racer who only competed once. If four regular season races can't be completed, teams may submit more racers who have only competed in one race.
The start order of a race is seeded first by age group, then by team.
Each racer competes within an age group. There are separate age groups for men and women aged 18 to 29, 30 to 34, 35 to 39 and every five years thereafter. Age categories are calculated based on a racer's age as of the 31st of December immediately preceding the races. For example, someone born in January 1963 is considered 54 for the purpose of races in January and February 2018.
As might be expected, the men’s baby boomer groups are the largest, but there is good participation in groups over 70 and there has been one racer over 90, Rolf Hauge from Jozo Weider.
The age groups start in the following order:
Within each age group, start order rotates one racer at a time from each team. The teams go in order of the prior season's results (first to last), except for the team hosting the race, which goes last. The exception is the finals, in which teams start in order of that season's standings, with no adjustment to the host club's start order. Team managers choose the seed order of their racers within each age group.