1000 2 x 500 Add up to faster than 1000 800 2 x 400 Add up to faster than 800 600 2 x 300 Add up to faster than 600 400 2 x 200 Add up to faster than 400 200 2 x 100 Add up to faster than 200
Swimming World is first and foremost concerned with the health and safety of its readers.
If you have not been involved in an ongoing exercise regimen
for at least six months, prior to attempting any of the workouts/exercises, check with your physician.