For day 18 of our workout plan for May, we're going to blast belly fat with intervals on the treadmill, and follow up that cardio session with a 10-minute video arm workout that targets the triceps. If you're not a fan of running, here's an elliptical plan to use instead. Now get to it!

Treadmill Workout


Time Speed
(MPH)
Incline Notes
0:00-5:00 5.0 1.0 Warmup
5:00-6:00 6.0 1.0
6:00-7:00 6.5 1.0
7:00-8:00 7.0 1.0
8:00-9:00 6.0 1.0
9:00-10:00 6.5 1.0
10:00-11:00 7.0 1.0
11:00-12:00 6.0 1.0
12:00-13:00 6.5 1.0
13:00-14:00 7.0 1.0
14:00-15:00 5.5 1.0
15:00-16:00 7.0 1.0
16:00-17:00 5.5 1.0
17:00-18:00 7.0 1.0
18:00-20:00 5.0 1.0 Cooldown



Arm Workout

Grab a set of five-pound dumbbells, press play, and get ready to tone your triceps.

Be sure to enter our Bikini Body Countdown Getaway to win a three-night stay for you and a friend at the El Ganzo hotel and spa in Los Cabos, Mexico.