Complex sentence: Michael "Mike" Morton (born 1971) is an American ultramarathoner and United States Army Special Forces soldier and holds the current national record for distance run in 24-hour run with 172 miles.
Split into simpler sentences: Michael "Mike" Morton (born 1971) is an American ultramarathoner and United States Army Special Forces soldier. He currently holds the current US national record for distance run in 24-hour run with 172 miles.