The best replacement for track is tract.

The best alternatives to track are rated as following:
★★★★★  tract
★★★★  treadmill
★★  proform
★★  cross country
★  soccer
★  song
★  lacrosse
★  swimming
★  wheel
★  trace
★  baseball
★  wheel snowblower
★  softball
★  groove
★  bowflex
  hog track
  proform treadmills
  speedskating
  dog track
  car and driver
  wide track
  heading
  long track
  autocross
  cassette
  route
  fastrack
  zoom q3
  hampton bay track
  coyote track
  road running
  sole treadmill
  deer track
  volleyball
  non tenure track
  speed skating
  o-27 track
  pin tract
  street
  sole
  short track
  tenure track
  8 track
  untracked
  actual track

Your alternative for track is not listed? Suggest!
Speaking about track, one probably shouldn't forget about voice.

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



Google Trends

Scale is based on the average worldwide traffic of track in all years. Click on graph for more.
track
tract
treadmill