Related Clues:

• Go schussing
• Emulate 18-Across
• Boot attachment, perhaps
• Take to the slopes
• Execute a christie
• Word with jump or goggles
• Go for a run
• Do a 20-Across
• Something to do at 77-Across
• Hit the trails
• Something to do at 39-Down
• Have a peak experience?
• Biathlon gear
• Runner, of sorts
• You can do it on water or snow