Get Fit With Mel B
43 Achievements
1,000
Xbox 360
Front Runner
Completed an Advanced Cardio workout
10
How to unlock the Front Runner achievement in Get Fit With Mel B - Definitive Guide
I got this simply as it was my first workout. I knocked it down to 15 minutes and it popped up at the end. I don't think you have to 'hit' any standards, just take part.