Join runners and fitness enthusiasts worldwide for the Expand Capacity 100 Challenge, a month-long virtual movement event running July 1–31, 2026, where you'll log 100 miles through activities like running, walking, cycling, hiking, swimming, rowing, and more—all at your own pace and from anywhere. Whether you're training for an upcoming race, building fitness for military or first responder requirements, or simply seeking daily motivation, this challenge welcomes all fitness levels and encourages personal growth through consistency and resilience. Celebrate your progress with a supportive community as you expand your capacity, one mile at a time.