The following description comes from the event organizer.

Who: Sports enthusiasts and families of all ages 

What: Monster Jam is the most action-packed motorsports event on four wheels. At the event, you will witness world-class driver athletes and the most recognizable trucks tear up the dirt and compete in intense competitions of speed and skill.

When: Saturday, April 1

Event Time – 7:00 PM
Pit Party open from 2:30 PM–5:30 PM (Saturday Event Ticket & Pit Pass required for entry)
Where: Lumen Field (800 Occidental Avenue S. Seattle, WA 98134)

Tickets: https://www.ticketmaster.com/monster-jam-seattle-washington-04-01-2023/event/0F005D96919520FE?brand=monsterjam

Additional Info: See Event Schedule, Racer Profiles and more here: https://www.monsterjam.com/en-US/events/seattle-wa/apr-01-2023-apr-01-2023