From Guild Wars Wiki
Racing is the practice of everyone in a
Party bringing a
Running build into a zone with the objective of being the first one to reach the end of the run. Many people bring
Dervish running builds and race through
Lornar's Pass, the first leg of the
Droks run, although it is popular to race the whole run as well, with the winner being whoever wins the most zones. Most races begin with a player typing "3" "2" "1" "go" and end at a zone or a resurrection shrine. It is common for runners to replace healing in their builds with skills to provide extra speed, such as
Shadow Steps. Players commonly time themselves to compare to friends and separate runs.