There are several variations on the arrows here; for example, sometimes the left arrow is a sharp left, sometimes it's curved, and sometimes it's a straight line pointing left. In all these turns, left is just left and right is just right, whichever type of arrow shows up. Ready? Let's go!
From start to blue -- Hit the Start/Stop button and run to a kayak, then go Left, Forward, tap the blue marker
From blue to green -- U-turn, Forward 6 times, Left, Right, Left, Forward, tap the green marker
From green to red -- U-turn, Right, Right, Right, Forward, tap the red marker
From red to yellow -- U-turn, Forward, Right, Right, Forward, Forward, tap the yellow marker
From yellow to purple -- Forward, Right, Right, Forward, Right, Forward, Forward, tap the purple marker
From purple to end -- U-turn, Forward, Forward, Right, Forward, Forward, Forward, run up the dock and hit the Start/Stop button again