Good luck to everyone competing at Active.com IRONMAN 70.3 Austin this weekend!

Click here for coverage: http://bit.ly/2yROYUp

"2 years ago I was 500 pounds and started walking 30 minutes a day. 6 months ago, I became an IRONMAN."

Marcus Cook continues to set goals for himself in hopes of inspiring others to do the same. He is living proof that #AnythingIsPossible.

Hear Marcus' story and how you can help him support local race communities through the IRONMAN Foundation by clicking below.

See Marcus on Good Morning America here: http://abcn.ws/2yMo4jd

Did you catch today's Quest for Kona episode? Click below for more info on Heather Jensen, and for her 6 keys to success!

Don't miss next weeks episode November 1st at Noon EST on NBC Sports!