
CoreIsometrics
Four core isometrics rotated three times: forty-five seconds of work, thirty seconds of station rest. Focused stack of plank variants and core holds.
The WorkoutBriefing
Movements
- 01
Forearm Plank
Station 1 — 45s; tight glutes, ribs down
- 02
Hollow Hold
Station 2 — 45s; lower back pressed into the floor
- 03
Arch Hold
Station 3 — 45s; lying face down, arms and legs lifted
- 04
Side Plank
Station 4 — 45s per side; timer swaps sides automatically with a 5s transition
Scaling
Easier
30s holds; drop side plank to knees
Harder
60s holds; add a leg lift to the front plank.
What Today's TimerLooks Like
4 holds × 3 rounds. 45s hold / 30s station rest. 60s round break.
The PastSix Days

Long-Station Circuit
Fri, Apr 10 · Three stations rotated three times at seventy-five seconds of work. Long intervals reward consistent breathing and steady output.
- 3 MOVEMENT ROTATION
- 1:15 WORK
- 0:20 REST
- 3 ROUNDS
Total16:15
Ten-Minute Triplet AMRAP
Thu, Apr 9 · Ten minutes, three movements, ten reps each. Cycle squat → push-up → sit-up and count rounds. Steady pace beats a fast start.
- 1 INTERVAL
Total10:00
Burpee 40 / 20
Wed, Apr 8 · Eight rounds of forty seconds of burpees with twenty seconds of rest. Eight minutes of high-intensity work — pacing matters.
- 0:40 WORK
- 0:20 REST
- 8 ROUNDS
Total7:40
Full-Body Flow
Tue, Apr 7 · Five poses held per side, two cycles. Ten-plus minutes of breathing into hips, hamstrings, and shoulders.
- 5 MOVEMENT ROTATION
- 1:00 MAX WORK
- 0:10 REST
- 2 ROUNDS
Total12:00
Five Rounds For Time
Mon, Apr 6 · Five rounds: fifteen squats, ten push-ups, five burpees. Twelve-minute cap — finish faster than the buzzer.
- 1 INTERVAL
Total12:00
Air Squat Tabata
Sun, Apr 5 · Eight rounds of twenty seconds on, ten seconds off. Four minutes total, one movement, no equipment — the original Tabata protocol.
- 1 MOVEMENT
- 0:20 WORK
- 0:10 REST
- 8 ROUNDS
Total3:50

SecondsInterval Timer
The full Seconds experience — on iPhone, Apple Watch, and Android.
Build Your OwnTimer
- Intensity
HIIT
Fixed work/rest intervals, repeated for a set number of rounds.
- Stations
Circuit
Rotate through named exercises with optional breaks. Stations of any duration.
- Blocks
Tabata
Back-to-back HIIT blocks — every round of one exercise, then on to the next.
- Combat
Round
Simple timed rounds with breaks. Boxing, MMA, sparring.
- Control
Custom
Build any interval sequence from scratch, one by one.
- Stacks
Compound
Stack other timers into a multi-block session, cycled as a whole.


