The best replacement for swimming is running.

The best alternatives to swimming are rated as following:
★★★★★  running
★★★  jogging
★★  walking
★  running calories
★  cycling
★  weight training
★  basketball
★  running calories burned
★  wrestling
★  running cardio
★  swim
★  running better
★  tennis
★  soccer
★  biking
★  elliptical
  rowing
  running for abs
  running weight loss
  track and field
  water polo
  running burns more calories
  lifting
  weight lifting
  walking calories
  swimming
  running calorie burning
  jump rope
  sprinting
  running burn more calories
  running better workout
  track
  running exercise
  diving
  lifting weights
  running better exercise
  cross trainer
  running better cardio
  aqua jogging
  weightlifting
  running which is better
  aerobics
  club swimming

Your alternative for swimming is not listed? Suggest!
Speaking about swimming, one probably shouldn't forget about your period.

Other search terms related to swimming and their ratings are:
★★★★★ your period
You have in mind a companion for swimming and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of swimming in all years. Click on graph for more.
swimming
running
jogging