1. 30-Day Leg Challenge

The first day, you'll only be doing six squats, lunges, and calf raises. But by the last day, you'll be doing twenty of them!

2. Walking to Running in 30 Days

The first day, you'll only be running for a minute, but on the last day, you'll be running for five!

3. 4 Week Butt Workout

Make your butt look amazing by following the advice in this chart.

4. 30 Day Arms Challenge

Don't forget about your arms! They're an important body part you shouldn't neglect!

5. 30 Day Bum Challenge

Here's another workout that'll help you get the butt you've always wanted to have.

6. Butt and Core Challenge

This chart was created by Buzzfeed, so you know it's going to be helpful.

7. At Home Circuit Workout

This is a thirty-minute workout that'll get all of your muscles working.

8. 30-Day Full-Body Fitness Challenge

This is an intense one. Of course, the toughest challenges end with the biggest results.

9. 30 Day Squat Challenge

Do you think you can handle that many squats? See for yourself!

10. 30 Day Evolution

This chart reminds you that you should be drinking as much water as possible. You should also try to set realistic goals for yourself, so that you don't push yourself too hard and end up injured.

11. 30-Day Crunch Challenge

If you want a beautiful set of abs, then you should try to complete this crunch challenge. You'll definitely feel the burn by the time you're done!

12. 30 Day Ab and Squat Challenge

This workout requires you to do situps, crunches, and squats every single day for a month. Of course, by the time the month ends, you'll be a pro and will want to continue into next month.

13. Squat Challenge

Squats are good for you. That's why there are so many challenges that involve them!

14. 30 Day Plank Challenge

It's time to get on your hands and toes to do planks! All you have to do is hold the position for twenty seconds on the first day. You can handle that!

15. 30 Day Lunge Challenge

Twenty lunges sounds like a lot to start with, but it'll seem like nothing on the last day of the month, when you're up to doing 150 lunges per day.

16. 30 Day Crunch Challenge

Here's the best way to work those abdominal muscles!

17. 30-Day Squats Challenge

Here's one last squat challenge for you to consider. Choose whichever one you think you can handle the best.

If you want a healthier body, you're going to have to put in a hell of a lot of effort. You won't see results overnight. That's why you have to challenge yourself for at least a full month! Which one of these fitness challenges are you going to attempt?