Looks like marathon training is going well, chinnychinruns!⁠ ⁠ Congrats on being this week's Knock Fan Friday winner—for your chance to win a free pair of shades, tag us in an awesome photo of you rockin' your Knocks and use the hashtag #knockfan. A new winner is selected every week.⁠ .⁠ .⁠ .⁠ #knockaround #knockaroundsport #running #marathontraining #sunglasses #sandiego