Complex sentence: In 2005 the track was sold to Dan and Joyce Ruth, who made many track improvements.Three years later, Ruth sold the track to Mark Ebert who also made many changes to the track, including making it an ASA Member track.
Split into simpler sentences: In 2005 the track was sold to Dan and Joyce Ruth, who made many track improvements. In 2008 the track was sold to Mark Ebert who also made many changes to the track, including making it an ASA Member track.