If you believe in the power of optimism, join us as we take on this battle to end breast cancer. The Susan G. Komen 3-Day® isn’t just a 60-mile walk over the course of three days–it’s a journey to the end of breast cancer. Along the way, we walk and talk, laugh and cry, and we always inspire the best in one another. That's what optimism does! Powered by Optimism won't stop until breast cancer does.