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  • ur killing yourself

    lacongerasambera 1 year ago

  • @lacongerasambera how little u know.

    dagsgaz 4 months ago

  • :20 secs to :50 secs is about 30 secs, you reached speed at about :20 secs. Yesterday I was doing them at 7.5 to 8.5 for 45 secs did about 10-12 intervals.

    bicycless211 1 year ago

  • ok so i started interval training for about a months now i keep geting this low stomach pain, is it acid overdosing?

    kc243243 1 year ago

  • @kc243243 wtf!????check it out

    lacongerasambera 1 year ago

  • hes THAT GUY at the gym.

    liltroy44 2 years ago

  • i do this as well with hill sprints!

    Shokeybutsi 2 years ago

  • Come on Jon!

    Let's see the original take when you fell off the head ;-)

    thebodyplanner 3 years ago 2

  • Way to go Jon! Good stuff.

    fitnessintegral 3 years ago

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