The Mt. Baker Bicycle Club is holding the Chuckanut Classic on Sep. 6th. They are offering a $10 discount to SBC members who register by June 30. The discount code is NPSBACC25
You can find full information about the ride and register at https://chuckanutclassic.org
Please note, you can certainly register after June 30th, but only at full price. Get on board early to save some bucks.