The best replacement for weight training is cardio.

The best alternatives to weight training are rated as following:
★★★★★  cardio
★★★  running
★★  resistance training
★★  cardio for weight loss
★★  aerobics
★★  yoga
★★  cardio first
★  strength training
★  pilates
★  calisthenics
★  crossfit
★  cardio for fat loss
★  body weight training
★  cardio training
★  circuit training
★  body weight
  bodybuilding
  aerobics first
  aerobic
  aerobic exercise
  cardio fat loss
  p90x
  weight training
  before
  after
  insanity
  body weight exercises
  cardio exercise
  cardio to loss weight
  cardiovascular training
  swimming
  cardio for women
  kettlebells
  isometric training
  plyometrics

Your alternative for weight training is not listed? Suggest!
Speaking about weight training, one probably shouldn't forget about cardio.

Other search terms related to weight training and their ratings are:
★★★★★ cardio
★ insanity
★ t25
You have in mind a companion for weight training and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of weight training in all years. Click on graph for more.
weight training
cardio
running