Before revision: The first space marathon was completed by Sunita Williams in 2007 the first man to complete a space marathon was Tim Peake in 2016 Williams ran her marathon in conjuntion with the Boston Marathon.
After revision: The first space marathon was completed by Sunita Williams in 2007 .The first man to complete a space marathon was Tim Peake in 2016 Williams ran her marathon in conjuntion with the Boston Marathon.