Can minors sign up for a race without an adult?

Festival

3355 NE Cornell Rd, Hillsboro, OR 97124, USA

Bar

9345 NE Windsor St, Hillsboro, OR 97006, USA

Locksmith

9620 NE Tanasbourne Dr Suite 300 #1016, Hillsboro, OR 97124, USA

Physical therapy clinic

936 SE Oak St, Hillsboro, OR 97123, USA

Vietnamese restaurant

2401 NE Cornell Rd, Hillsboro, OR 97124, USA

Pho restaurant

2331 NW 185th Ave, Hillsboro, OR 97124, USA

Barber shop

2201 NE Cornell Rd, Hillsboro, OR 97124, USA

Optometrist

2335 SE Tualatin Valley Hwy, Hillsboro, OR 97123, USA