My Favourite Tommy Rivz iFit NordicTrack Treadmill Running Series

Based on the series I've done so far and the one I'm doing, this is how I'd order them, with my favourite first:

  1. Costa Rica 5K Training Series <-- In progress
  2. Parthenon Running Series
  3. Swiss Alps Summit Series
  4. Arizona Running Series
  5. Patagonia Running Series

If I was to do these series again, what order would I put them in, in order of easiest to hardest?:

  1. Swiss Alps Summit Series
  2. Patagonia Running Series
  3. Arizona Running Series
  4. Costa Rica 5K Training Series <-- In progress
  5. Parthenon Running Series

Series I've not done (alphabetical):

  • 10K Training Series Part 1
  • 10K Training Series Part 2
  • ActivePulse Training Series
  • Easter Island: Rapa Nui Running Series
  • Grand Canyon Rim-to-River Trek
  • Half Marathon Training Series, Part 2 - Japan
  • Half Marathon Training Series, Part 1 - Bolivia
  • Iberian Beginner Running Series
  • Machu Picchu Peru Series

All series ordered from easiest to hardest (according to iFit):

  • Iberian Beginner Running Series
  • Swiss Alps Summit Series
  • ActivePulse Training Series
  • Machu Picchu Peru Series
  • Costa Rica 5K Training Series <-- In Progress
  • Grand Canyon Rim-to-River Trek
  • 10K Training Series Part 1
  • 10K Training Series Part 2
  • Easter Island: Rapa Nui Running Series <-- Next Series
  • Half Marathon Training Series, Part 1 - Bolivia
  • Half Marathon Training Series, Part 2 - Japan
  • Patagonia Running Series
  • Parthenon Running Series
  • Arizona Running Series
One thing I must say, these treadmill running series are no substitute for actually running in the real world. I find if I've only been running on a treadmill for weeks/months (maybe it's winter time and I've not fancied going outside), then it is really difficult to run outdoors and I'm really really slow.