I really like #52. Simple, strong and to me gives a message of interconnectedness. I'm not sure how it would look on the website though. A center aligned graphic over the words tends not to look great. What you developed would look awesome on t-shirt. Maybe try superimposing your logo on the images I posted of the Workout Mission site would help. Also, it would be great if "Sharing Strength"...the slogan, was more emphasized. Right now it's really small.