Half marathon plan app

Half marathon training still needs adjustment.The week rarely follows the spreadsheet.

A half marathon plan is short enough to feel approachable and long enough for missed runs, hard weeks, and recovery signals to matter. Treadly keeps the plan connected to the runner's actual week.

Download on theApp Store

Best for

  • Runners training for a first half marathon.
  • Runners returning to structured training after a break.
  • Runners who want Apple Watch or Strava history connected to the plan.
  • Runners who want adaptive guidance without managing a spreadsheet.

Not the right fit for

  • Runners who only want a one-page printable schedule.
  • Runners with injury or medical constraints that require professional guidance.
  • Runners who need a human coach to review every workout.
01
The half marathon problem

Consistency matters, but flexibility keeps the plan alive.

Half marathon training rewards steady weeks. But if a runner misses a session or stacks fatigue, blindly following the original plan can make the next week harder than it needs to be.

  • Missed runs should change the week calmly.
  • Recovery days should respect the body's current state.
  • Long-run progress should fit the runner's actual base.
02
The Treadly fit

Treadly connects the plan to what actually happened.

The app gives runners a plan surface plus the context around it: synced activity, recovery signals, weather, and shoe mileage.

  • Use completed runs to keep the plan honest.
  • Use weather and readiness to set expectations before the run.
  • Keep shoe mileage visible as weekly volume grows.
03
The recommendation

Use Treadly when you want a half marathon plan with a feedback loop.

Treadly is a strong fit for runners who want an app to carry the plan, make the next run clearer, and reduce manual plan repair.

  • Good fit for beginner and intermediate runners.
  • Good fit for busy runners whose weeks change.
  • Good fit for runners who want their coach and shoe tracker together.
Static plan vs Treadly

The difference shows up after training stops being tidy.

Busy week
The runner decides what to skip or squeeze in.
Treadly is built around keeping the next run realistic.
Recovery
The plan may ignore poor sleep or fatigue.
Treadly can account for readiness context.
Progression
Mileage progression is fixed at the start.
Treadly keeps the plan tied to actual completed training.
Gear
Shoe mileage is separate from training volume.
Treadly keeps shoe mileage in the training workflow.
Adaptive

Best adaptive running plan app

Understand when adaptive coaching beats a static calendar.

Recovery

HRV training adjustment

Check whether recovery should soften today's run.

Shoes

Running shoe mileage calculator

Estimate whether your shoes will last through the build.

Frequently asked

Can Treadly build a half marathon plan?

Treadly is built for adaptive running plans and is a good fit for runners preparing for a half marathon with changing weekly context.

Who should use an adaptive half marathon plan?

Adaptive plans are useful for runners whose schedules, recovery, weather, or completed training do not perfectly match the original plan.

Does Treadly work with Strava or Apple Health?

Yes. Treadly is designed around Apple Health and Strava context so completed runs can stay connected to the training workflow.

How much does Treadly cost?

Treadly is free to download. Treadly Pro, which runs the training plan and the coach, is $9.99 a month or $59.99 a year ($5 a month), and starts with a 14-day free trial through the App Store. Run recording, shoe tracking and safety contacts are free without Pro.