NO PURCHASE NECESSARY TO ENTER OR WIN. A PURCHASE WILL NOT INCREASE YOUR CHANCES OF WINNING. Open to legal residents of the 50 U.S./D.C. and Canada (excluding Quebec), who are at least the age of majority in their state/providence of residence, who have a RaceX account (free version sufficient). Starts 3/8/21 at 12:00:01 am USA CT and ends 11/28/21 at 11:59:59 pm USA CT. Multiple entry period deadlines apply. To enter without having a RaceX account and/or completing a Race, mail a prepaid postcard with your name, email address, mailing address, and phone number to Predictive Fitness, ATTN: RaceX Challenge Promotion, 2600 E. Southlake Boulevard, Suite 120-140, Southlake, Texas 76092 to receive four (4) entries into the promotion, must be postmarked by 11/28/21, received by 12/3/21. Limit: 32 total entries, regardless of method of entry. Void in Quebec and where prohibited. Odds of winning a prize depend on number of entries received. (1) Grand prize: $25,780 USD/$33,051 CAD. If the Grand Prize winner is from Canada, they will receive the grand prize items as listed in the rules, less the $500 USD/$641 CAD Travel Cash check and the $795 USD/$1,019 CAD race registration reimbursement check, which will be withheld by the Sponsor and paid to the United States IRS on your behalf, as required under US law. Sponsor (or its designated agent) will remit to the IRS the withheld money, plus any additional sum required by law. For the avoidance of doubt, no portion of the additional amount shall be awarded to the Canadian winner. Subject to full rules available at https://www.myracex.com/racexchallengerules. Sponsor: Predictive Fitness, Inc., 2600 E. Southlake Blvd., Suite 120-140, Southlake, Texas 76092.