Running · Strength · Swimming
Refrain weighs the signals that matter against the training behind you, then writes the right session for today.
Readiness is 83.7 — that's a strong green light, Sam.
The rules engine combines these reviewed components before the coach receives a structured verdict.
signals → decision → session
Coach note
Readiness is 83.7 — that's a strong green light, Sam. Sleep and subjective feel are both up, load component is good. This is a real training day, not a maintenance day. Monday was a full squat-hinge-press-pull session. Two days of running and swimming since then. Pattern variety today follows the same template but we're nudging volume up slightly — 4 sets on the big compounds (squat and RDL) instead of 3, which is right for mid-accumulation. Total working sets land under 25 and well within weekly MRV for every muscle group. No working loads are logged for any lift yet. That's fine — start each lift conservatively, build up with warm-up sets, and note what you used for your top working sets. That data becomes the baseline we build from next week. Don't let the lack of a number push you to guess too heavy. RPE 6-7 means 2-3 reps still clearly available — if you're grinding, drop the weight. The isolation work at the end (curls and tricep extensions) is supersetted to keep you inside 75 minutes. Move between them with about 60 seconds rest — you're not recovering a max effort, you're just accumulating volume efficiently. Your bench goal (bodyweight for reps) is a slow burn — but today's 3 sets of 10-12 at moderate load is exactly the right investment. Building the aerobic base in the marathon phase and picking up consistent strength work adds up fast. This kind of strength work is building lasting capability — your long game. Volume has been ramping for two weeks, which is intentional for week 6-7 of base. But progress comes from absorbing the work, not just doing it. If anything feels off — heavy legs from the run, unusual shoulder tightness, poor sleep — trim a set from the accessories, not the compounds. 71°F and cloudy outside — a perfect morning to be in the gym. Comfortable conditions if you want to walk between sessions or grab a quick stride. Fuel this one well. A proper breakfast 1-2 hours out makes a real difference on a full-body session like this. Get good protein in after to support recovery. A plate built from whole foods will serve you better than anything pre-packaged — keep it simple.
The day belongs to a week
One decision can change without turning the week into seven unrelated workouts. Select a morning to see the same plan respond.
When your body disagrees
The recorded request and resulting action are shown separately. Deterministic safeguards sit outside the conversation, where they belong.
The session is written. Open the recorded request when you are ready.
The recorded request and action appear immediately. Nothing here calls a live model.
Refrain safety policy: Sharp pain: stop the session and seek medical guidance. Pain at rest: stop the session and seek medical guidance. Worsening pain: stop the session and seek medical guidance.
Recorded athlete request
I have a dull ache under load in my left shoulder during the Barbell Bench Press. Can we change it?
Coach action
Barbell Bench Press Dumbbell Chest Press
This change responds to a dull ache under load in the left shoulder while keeping the prescribed sets, reps, and intensity.
Accepted. The conversation engine selected the Barbell Bench Press to Dumbbell Chest Press substitution; the production tool persisted it. This public rehearsal shows the exercise identity only.
Two jobs, kept separate
Arithmetic remains deterministic. The conversation remains human.
Rules engine
Reviewed code weighs readiness, phase, recent load, interference, and constraints.
Language model
Receives the verdict and boundaries, then writes the session and discusses changes.
On the record
One synthetic record, the real product path, and limits stated before you ask.
Real pipeline
31 days of fabricated signals produced 8 sessions and 129 prescribed movements across 8 mornings.
Deterministic guard
A separate unsafe synthetic candidate (back_pain=true; exercises=Back Squat) was passed through the real checker. It returned back_pain_gate: Exercise "Back Squat" loads the spine but back pain is flagged.
Honest limit
This record is pinned to Friday 24 July. It describes one synthetic athlete and an invite-only system, not a population result.
Invite-only
Refrain is opening slowly to serious hybrid athletes. Tell us where your training is headed and we’ll read every request with care.
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