Fire and Emergency New Zealand (FENZ) brigades from around the North Island are doing battle on the basketball court in Whanganui this weekend.
Fifteen teams are in action at Springvale Stadium, with Whanganui fielding the Grizzlies and Blue Watch.
Whanganui firefighter Ben Coll said 130 people were taking part in the annual event.
"They've come from Auckland, Wellington, Rotorua, New Plymouth, Masterton, Hāwera and Marton. We've got career firefighters, volunteer firefighters and rural firefighters."
Teams compete in the social or competitive divisions.