PDGA event sanctioning has been suspended through April 30, 2020.
https://www.pdga.com/announcements/covid-19-statement

The Brooktrails Finale

Sat-Sun, April 4-5, 2020 at Brooktrails Golf Course in Willits, California
Disc golf singles tournament

Online registration closes April 15 at 8:00pm PDT Register online

Online registration is not available.