Progress, by design

Training built around you. Not a template.

Tell Arcus what you're training for, whether it's a sport, an event, or just getting fitter, and it builds an adaptive plan that reshapes itself every week from what you log.

7-day free trial · works on any phone · no app store needed

★★★★★Built by a GB athlete, for people who train with intent
Today · built for you
Lower body power.
Session 1 of 4 this week
45 min · 5 lifts
Back squat4 × 5 · RPE 8
80 kg
Romanian deadlift3 × 8
60 kg
Bulgarian split3 × 10 each
20 kg
Start session →
2 min
To your first plan
Strength + Running
In one schedule
Every week
Plan adapts to you
Be one of the first
Founding members welcome
How it works

Your plan in three steps.

No spreadsheets, no guesswork. Tell Arcus about your training and it does the rest.

01

Tell us your goal

Your sport, your event, your experience, your schedule and kit. The things a real plan is built from.

02

Get your plan

A periodised schedule blending strength, conditioning and your sport around the days that work for you.

03

Train and adapt

Log your sessions and recovery. The plan adjusts every week, and reshapes when life gets in the way.

What's inside

Everything serious training needs.

Adaptive programmes

A plan that knows what you're training for.

Periodised programming that progresses week to week from what you actually log, not a fixed template you outgrow in a fortnight.

  • Built around your sport, event and schedule
  • Strength and running that complement, never compete
  • Reshapes itself when you miss a day
Strength · Lower
45 min
Today
Easy run · 5km
Conversational
Intervals
4 × 800m
Recovery & load

Know when to push, and when to back off.

Arcus reads your recovery and training load, then tells you whether today is a green light or a day to hold back, so you peak fresh instead of breaking down.

  • Daily recovery score from your logged data
  • Acute vs chronic load, so overreaching shows early
  • Taper and peak automatically toward race day
86RECOVERY
Green light
Good to push intervals today.
Built for competition

The tools real athletes actually need.

Beyond the gym: check supplements against the prohibited list, log drug tests, manage TUEs, and schedule around games and competitions. The serious end, handled.

  • WADA-safe supplement checker
  • Testing logs and TUE documentation
  • Calendar for games, fixtures and competitions
Magnesium glycinateWADA-safe
Pre-workout · Brand XFlagged
Next fixturein 18 days · taper set
Who it's for

Whatever you're training toward.

One app that scales from your first 5k to competing seriously.

Gym-goers & runners

Adaptive programmes, guides and tracking to train with purpose, whatever your goal.

Competing athletes

The full apparatus: WADA checking, TUEs, testing logs, load management and analytics.

Coaches & PTs

Manage your squad or clients, monitor their training, and build plans that fit each one.

No more app-juggling

One place for all of it.

Strength, running, conditioning, recovery and competition planning, together. Stop stitching plans across apps, spreadsheets and notes.

StrengthRunningHIITRecoveryNutritionCompetition
Why Arcus exists
"I built Arcus because nothing out there managed training the way a serious athlete actually needs. So I made the tool I wished I'd had."
— The founder, a GB handball player
Founded in the UKBuilt by an athleteIndependent
Questions

Good to know.

You answer a few questions about your goal, experience, schedule and equipment. Arcus builds a personalised, periodised plan from that, and it keeps adapting as you log sessions and recovery.
No app store needed. Arcus runs in your browser and installs to your home screen in two taps: open it in Safari, tap Share, then Add to Home Screen. It works like a native app from then on.
Life happens. Arcus reshapes your week around a missed day rather than letting the whole plan unravel. Consistency is about coming back, not being perfect.
Not at all. Arcus scales from getting started in the gym or your first 5k all the way to competing at national level. The competition tools are there when you need them, and out of the way when you don't.
Yes, start with a 7-day free trial and a free tier you can keep using. No commitment.

Stop guessing. Start progressing.

Tell Arcus what you're training for. It builds the rest.

Start free

7-day free trial · works on any phone · no app store