18+, US, one entry per person/email address. Ends August 20, 2007 @ 11:59pm ET

Prize: (10 winners) a MIO Shape Select heart-rate monitor from miowatch.com. ARV $120

PRIZE: http://www.redbookmag.com/sweepstakes/1798

RULES: http://subscribe.hearstmags.com/circ...longrules.html