Micah Herndon's legs gave way around 22 miles into the race. But that didn't stop him from finishing.
US Armed Forces
LGBT correspondent Ben Hunte explains what new rules mean for trans people serving in the US military.
Martha McSally, who was the first woman to fly in combat for the US, says she stayed silent for years.
The former service dog of the late President George HW Bush has a new job with the US Navy.