System of Strength

Live stream preview

Watch this video and more on System of Strength

Watch this video and more on System of Strength

Start your free trial Learn more

Already subscribed? Sign in

Core For Days

CHALLENGES • 23m
6 comments

A 20 minute core challenge using 1 weight. A combination of weighted and body weight movements with both timed and rep based rounds.
Original Drop Date: 7.20.2026

Up Next in CHALLENGES

  • Stuntin' Like Gretchen
    32:39
    Stuntin' Like Gretchen

    Stuntin' Like Gretchen

    30 minutes with a theme of obliques and push-ups. Option to use ankle weights or light weights.
    Original Drop Date: 7.16.2026

  • Making Waves
    22:23
    Making Waves

    Making Waves

    20 minutes of a bicep and chest challenge using a range of weights, long band, and plyo box to thread the band through.
    Original Drop Date: 7.15.2026

  • No Time To Spare
    12:08
    No Time To Spare

    No Time To Spare

    Because every day you don't have a lot of time... A 10 minute cardio quickie to get you moving using a plyo box.
    Original Drop Date: 7.13.2026

6 Comments

×