Erikson swam the English Channel from France to England in 1969 as the youngest swimmer and did a two-way crossing in 1979 with his first leg as the fastest crossing of the year. He later did two English-to-France crossings in 1980 and became the first person to do a three-way crossing in 1981 with a historic 38 hour 27 minute effort; he, Alison Streeter and Philip Rush remain the only swimmers to complete a 3-way English Channel crossing. He completed a total of 8 English Channel crossing.
Pro Marathon Swims
Erikson also did many professional marathon swims in Guayamas, Mexico, Argentina and Canada including 5 Traversée Internationale du lac St-Jean, 4 Traversees, 3 24 Heures La Tuque and Chibougamau, Hamilton, Pasbebiac and others.
He is also a member of the 24-hour club for swimming 36.75 miles (59 km) in Lake Michigan from Michigan City to Chicago, Illinois in 1971 in 24 hours 30 minutes.