Check out the best photos from the first action-packed day of competition in Portland.
Best of Thursday at the Portland Invitational
Close gallery popup button ×1 of 16
2 of 16
3 of 16
4 of 16
5 of 16
6 of 16
7 of 16
8 of 16
9 of 16
10 of 16
11 of 16
12 of 16
13 of 16
14 of 16
15 of 16
16 of 16
Sound off in the comments below!