Popsugar Fitness Holiday Fitness How to Be Fit If Getting Fit Is Your New Year's Resolution, Here's the 12-Month Plan You Need January 4, 2018 by Jenny Sugar View On One Page Photo 5 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 May Challenge: Start a Fitness Challenge This is the month to commit to a fitness challenge. Choose one of the challenges below, depending on your goals: 21-Day Arm Challenge 30-Day 6-Pack Challenge 2 Weeks to 50 Burpees 21-Day Butt Challenge 4-Week Beginner Bodyweight Challenge 30-Day Squat Challenge 4-Week Push-Up Plan 2-Week Total-Body Challenge Previous Next Start Slideshow Holiday FitnessWorkoutsNew Year's ResolutionsHoliday