Half Marathon Training App

Your Half Marathon Coach. In Your Pocket

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What is a half marathon training app?

A half-marathon training app is a structured, personalized way to prepare for 13.1 miles - a distance that requires both endurance and sustained speed. It’s not just about mileage. It’s about building fitness through progressive long runs for stamina, tempo sessions to lift your threshold, strength work to improve efficiency, and smart recovery through stretch and stability to keep you training consistently.

Personalised App Features

Discover how your half marathon training plan is personalized to you.

Training preferences

Customize your half marathon training plan to match your current fitness, running experience, and race goals. Whether you're preparing for your first 21.1km, chasing a half marathon PB, or balancing training with a busy schedule, you can fine-tune the plan to suit how you want to train.

What you can adjust:

Training intensity

Running experience level (first-time half marathon to experienced racer)

Weekly mileage for your half marathon plan

Pacing guidance

In-ear audio coaching that guides you through every session. Get real-time prompts that guide you through every run - telling you when to push, when to ease off, and how to lock into your target half marathon pace so you stay on track from start to finish.

Stay on pace with live guidance

Know exactly when to push or ease off

When life gets in the way

Half marathon training doesn’t always go to plan. If illness, niggles, stress, or a busy week gets in the way, you can quickly adjust your plan without losing progress toward race day.

Instead of skipping key runs or falling behind, scale your half-marathon training safely, maintain your fitness, and build back up with confidence as you get closer to your goal.

How it works:

Select why you are adjusting your plan

Dial back your training to the level that feels right

Control your return - slowly, balanced, or quickly

Adapting around your schedule

Whether you’re lounging by the pool or smashing out holiday miles, Runna adapts your plan to match your holiday vibe. So you can train your way, wherever you are or take a well-deserved break in your plan. Choose to reduce intensity, switch to lighter runs, or pause entirely. Your plan adapts around your holiday, so your progress stays protected.

• Train your way, wherever you are

•  Never feel “behind” after time away

• Take a proper break - we’ll handle the return

Multiple smartphone and smartwatch screens displaying a running app interface with features for marathon training, workout selection, route tracking, community posts, and run metrics.Multiple smartphone and smartwatch screens displaying a running app interface with features for marathon training, workout selection, route tracking, community posts, and run metrics.
App screenshot.

Your Half- Marathon Support Team.

  • Questions about the app or training? Our support team responds quickly with helpful advice to keep your half-marathon prep on track.
  • Get expert support from real runners who understand the demands of half-marathon training and know what it takes to prepare for race day.
  • Receive tailored guidance to improve pace or tweak your plan, based on your unique goals.
  • From day one to race day, we’re here to support every step of your journey.

This is a Movement.
Be a Part of it.

  • Connect with runners training for the same race or working toward the same marathon goals.
  • Learn from fellow runners and coaches with tips to improve technique, training, and race strategy.
  • Get support through tough training weeks and celebrate the milestones along the way.
  • Join a private community of millions of like minded runners all over the world.
App screenshot.

Reviews from users

76,000+ ratings on

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Apple App Store

Review stars
4.9

17,000+ ratings on

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Google Play Store

4 and a half stars.
4.7

Runna is a game-changer for runners! The personalized training plans are incredibly effective, helping me improve my pace and endurance in just weeks. The app is easy to use, motivating, and backed by expert coaching. If you’re serious about running faster and smarter, Runna is a must-have!

Leo

Love this app! I’m new to running and have entered my first 1/2 marathon which I’ve felt totally intimidated by. Having only run 5k previously and being completely clueless! Runna is like having a running coach in my ear

Amina

"Runna has completely changed my attitude to running and my approach. I now run tempo runs, speed runs, long runs and easy runs. My fitness, pace and endurance has improved massively since I started using the app. Couldn’t do without it."

Thabo

"If you’re looking for a high-quality, structured running app without the hefty price tag of a personal coach, Runna is a game-changer.

Jenn

"Great personalized running plan so I can really be intentional with my training! The Runna team have all been super responsive and helpful making sure the plan and paces are right for me, and there to answer any questions. Great value, would highly recommend!"

Stephanie

What sets Runna apart is the level of personalization—you can tailor plans to your goals, schedule, and ability, and even integrate them with your smartwatch for seamless tracking.

Arjun