It may be the mark of the beast, but for those who are trying to get fit, “6-6-6” is also a subtle shortcut to beast mode. The viral 6-6-6 walking challenge is a flexible daily fitness routine that ...

Side by side on treadmill machines at the Planet Fitness Northampton (Kerry Forest Parkway) in Tallahassee, the man and woman, competitive by nature, checked on the speed settings of others in their ...

Experts say the trending workout could help some people walk more regularly but may be too rigid for others. Learn whether you may benefit. The 6-6-6 walking challenge encourages walking for 60 ...