Streetdog BMX Collection Challenge Lines: How To Complete Each Wallride Challenge (Plus the Skid & Shortcut Challenges)

Races against the clock provide some of the most fun challenges in Streetdog BMX. We already looked at how to complete each S-T-R-E-E-T challenge, but each level also includes a Wallride challenge in addition to two special one-off challenges, the Shortcut Challenge in the Campus level and the Skid Challenge in the Grindhaus stage.