Time wasted in the transition area is unrecoverable. Practice your transitions before the race! Stay organized; know exactly what you need and where to find it.
Remove your stiff soled biking shoes and climb barefoot or change back into your running shoes before attempting the wall. The stickier rubber on the bottom of the running shoes will help obtain traction on the wall.
Use landmarks like the lake or parking lot to help orient the map.
Use the map scale to approximate the distant to the marker and then use this distance as a guide.