Prove
All Portfolios

Health & Fitness

Build habits someone has seen.

Problem: A streak only shows you tapped a button.

Fix: Someone who saw the work confirms it.

What you'll prove

Who is it for?

Anyone building a training or health habit who wants a real record.

What does it cost?

Paths, proofs and checks are free. The Arena adds a team and weekly challenges for $12 a month. Join the Arena

Who confirms my work?

A training partner or coach who saw the work.

Who sees it?

Only people who are signed in see health proofs. Clinical health proofs are always private.

LiveProof-of-Work · Oct–Nov: every verified proof counts. 16 days left
IntermediateORIGINAL

Run Your First Marathon

From couch to 26.2 miles. Every outcome proven with GPS data and chip times — not training plan screenshots.

Longevity
5 required + 1 opt52w
BeginnerORIGINAL

Build a Strength Foundation

From first gym session to measurable body composition change. Proof required — no before/after selfies.

Longevity
1 required + 5 opt24w
BeginnerORIGINAL

Sleep & Recovery Mastery

Fix your sleep, fix everything else. Every outcome proven with tracker data — not self-reported feelings.

Longevity
0 required + 6 opt16w
BeginnerORIGINAL

Nutrition & Body Composition

Track what you eat, change how you look. Measurement-backed at every outcome — no scale photos.

Longevity
1 required + 6 opt20w
BeginnerORIGINAL

Mental Fitness & Stress Reduction

A quieter mind, measured. From MBSR to 365-day practice — every milestone requires a log, not a mood.

Longevity
0 required + 5 opt16w
Beginner

Mental Wellbeing Foundations

Eight evidence-based habits — mindfulness, breathwork, journaling, gratitude, self-compassion, connection, morning routine, and digital detox.

Mental Health
1 required + 7 opt14w
Beginner

Sleep & Rest

Design a personal sleep protocol grounded in published sleep science and follow it for real.

Mental Health
1 required + 1 opt10w
Beginner

Stress Management

Audit what's actually causing your stress, build a real plan, and follow it for 30 days.

Mental Health
1 required + 2 opt10w
Beginner

Mental Health Literacy

Read a real foundations text, actually try what it says, and prove you did.

Mental Health
1 required + 1 opt12w
Milestone map

Lose Weight

4 milestones · 12 weeks

Establish your BMI, weight, and waist circumference baseline, then run an 8-week NHS-paced weight-loss programme (0.5–1kg/week) with a documented before/after.

Milestone map

Increase Energy

4 milestones · 12 weeks

Track energy ratings three times a day for a week to find your real dip point, then run a targeted intervention and prove the shift with a new 7-day log.

Milestone map

Improve Fitness

4 milestones · 12 weeks

Baseline your push-up, wall-sit, and sit-and-reach numbers in one session, then retest after training to show change across strength, endurance, flexibility.

Milestone map

Improve Mobility

4 milestones · 12 weeks

Photograph or video three functional movement tests — squat, hip hinge, overhead reach — then retest after a mobility programme to show the visible change.

Milestone map

Reduce Stress

4 milestones · 12 weeks

Track a validated PSS-4 score and daily stress ratings for two weeks to build a real baseline, then show the measured drop after your intervention.

Milestone map

Improve Recovery

4 milestones · 12 weeks

Log sleep quality, morning soreness, and energy for a week to build a recovery baseline, then show the measured improvement after changing your routine.

Milestone map

Increase Strength

4 milestones · 12 weeks

Test push-ups, squats, and plank hold to failure in one baseline session, then retest under identical conditions to show a real, measured strength gain.

Milestone map

Improve Endurance

4 milestones · 12 weeks

Run a Cooper 12-minute or 1-mile test as your baseline, set a realistic 10–20% improvement target, then retest under identical conditions to prove it.

Milestone map

Age Well

4 milestones · 12 weeks

Audit your movement, sleep, social connection, and cognitive activity across two weeks, find the weakest domain, then show the measured improvement there.

Milestone map

Improve Heart Health

4 milestones · 12 weeks

Measure resting heart rate and blood pressure against NHS reference ranges, then show the change after 8 weeks using the same measurement protocol.

Milestone map

Improve Metabolic Health

4 milestones · 12 weeks

Baseline waist circumference, resting heart rate, and blood pressure — the three free, non-clinical metabolic risk indicators — then show the measured change.

Milestone map

Improve Flexibility

4 milestones · 12 weeks

Test sit-and-reach and shoulder reach-behind in one session, then retest at Week 8 under identical conditions to show the measured range-of-motion gain.

Powstik is not medical advice. Talk to a doctor before you start a new training plan.

People and recorded checks confirm the work here. Powstik does not give degrees or licences.