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Turn your biggest goals into private victories

Your first marathon. Your best Hyrox time. Your strongest functional conditioning. All start with our world-class programs.

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The last training app you’ll ever download.

Run faster, build strength, and achieve the best conditioning of your life with our expertly tailored guides.

Stamina
Strength
Endurance
Functional fitness

Your competitive edge.

Goal-optimized workouts

Not all fitness apps are created equal. Every carefully optimized workout inside the Big Day App combines full-body functionality with consistent progression towards your biggest goals, so you can finally enjoy a training program that you can feel working.

Apple Watch integration

Tracking your progress is essential, and thanks to our seamless integration with your Apple watch - it’s easier than ever to stay informed, giving you that extra edge.

Let your results do the talking

Enjoy the private victories, but let your results do the talking. Create friendly competition, and push yourself harder than ever to raise the bar for everyone.

Join a powerful, like-minded community

With an army of motivated, like-minded people at your back - staying on track and pushing yourself has never been easier, or more enjoyable.
join now

Join the brotherhood
and train for your big day

Monthly
$19.99

$4.61

per week
Join Now
Annual
$99.99

$1.92

per week
Join Now

Pick your goal, prepare for your Big Day.

Choose your conquest, select your intensity, and instantly receive a world-class plan perfectly tailored to your specific goals and fitness level.

What you will achieve?

Month 1
Your biggest weekly mileage of 33km
Month 2
Increased speed and endurance
Month 3
Stronger & faster, with a weekly mileage of 45km
Month 4
Your peak speed, distance, and strength
Month 1
Build robustness and increase aerobic capacity
Month 2
Enhanced strength and focus
Month 3
Improved speed, power and endurance
Month 4
Optimised central nervous system performance
Month 1
Weekly mileage of 33km, longest run of 11km
Month 2
Weekly mileage of 47km, longest run of 18km
Month 3
Weekly mileage of 63km, longest run of 28km
Month 4
Your longest run of 35km, and entering your taper phase.
Month 1
Core stability & addressing imbalances
Month 2
Increase muscle size, strength & power
Month 3
Increased mobility, strength performance
Month 4
Strong, agile, ready for anything.

Hybrid Training

Fortify your strength while improving your cardio with our 16-week program designed to strike the optimal balance of speed and power.

What you will achieve?

Month 1
Your biggest weekly mileage of 33km
Month 2
Increased speed and endurance
Month 3
Stronger & faster, with a weekly mileage of 45km
Month 4
Your peak speed, distance, and strength

Hyrox Events

Whether it’s your first Hyrox, or you’re looking to shave the seconds off your next event - our expert guides are designed to push you further and give you an edge over the competition.

What you will achieve?

Month 1
Build robustness and increase aerobic capacity
Month 2
Enhanced strength and focus
Month 3
Improved speed, power and endurance
Month 4
Optimized central nervous system performance

Marathon Prep

Whether it’s your first 10k, half marathon, or high-level event, you’ll find structured weekly plans over 16 weeks to help you perform better week on week, and consistently beat your previous bests.

What you will achieve?

Month 1
Weekly mileage of 33km, longest run of 11km
Month 2
Weekly mileage of 47km, longest run of 18km
Month 3
Weekly mileage of 63km, longest run of 28km
Month 4
Your longest run of 35km, and entering your taper phase.

Functional Strength

Combining the best of CrossFit, Hyrox, Bodybuilding, and strength training - this program will fortify every pillar of your fitness. This plan is designed to enhance your functional strength, endurance, and overall conditioning.

What you will achieve?

Month 1
Core stability & addressing imbalances
Month 2
Increase muscle size, strength & power
Month 3
Increased mobility, strength performance
Month 4
Strong, agile, ready for anything.
Join Now

Pick your goal, prepare for your Big Day.

Choose your conquest, select your intensity, and instantly receive a world-class plan perfectly tailored to your specific goals and fitness level.

What you will achieve?

Month 1
Your biggest weekly mileage of 33km
Month 2
Increased speed and endurance
Month 3
Stronger & faster, with a weekly mileage of 45km
Month 4
Your peak speed, distance, and strength

Hybrid Training

Fortify your strength while improving your cardio with our 16-week program designed to strike the optimal balance of speed and power.

What you will achieve?

Month 1
Build robustness and increase aerobic capacity
Month 2
Enhanced strength and focus
Month 3
Improved speed, power and endurance
Month 4
Optimised central nervous system performance

Hyrox Events

Whether it’s your first Hyrox, or you’re looking to shave the seconds off your next event - our expert guides are designed to push you further and give you an edge over the competition.

What you will achieve?

Month 1
Weekly mileage of 33km, longest run of 11km
Month 2
Weekly mileage of 47km, longest run of 18km
Month 3
Weekly mileage of 63km, longest run of 28km
Month 4
Your longest run of 35km, and entering your taper phase.

Marathon Prep

Whether it’s your first 10k, half marathon, or high-level event, you’ll find structured weekly plans over 16 weeks to help you perform better week on week, and consistently beat your previous bests.

What you will achieve?

Month 1
Core stability & addressing imbalances
Month 2
Increase muscle size, strength & power
Month 3
Increased mobility, strength performance
Month 4
Strong, agile, ready for anything.

Functional Strength

Combining the best of CrossFit, Hyrox, Bodybuilding, and strength training - this program will fortify every pillar of your fitness. This plan is designed to enhance your functional strength, endurance, and overall conditioning.

What you will achieve?

Month 1
Core stability & addressing imbalances
Month 2
Increase muscle size, strength & power
Month 3
Increased mobility, strength performance
Month 4
Strong, agile, ready for anything.

Functional Strength

Combining the best of CrossFit, Hyrox, Bodybuilding, and strength training - this program will fortify every pillar of your fitness. This plan is designed to enhance your functional strength, endurance, and overall conditioning.

What you will achieve?

Month 1
Your biggest weekly mileage of 33km
Month 2
Increased speed and endurance
Month 3
Stronger & faster, with a weekly mileage of 45km
Month 4
Your peak speed, distance, and strength

Hybrid Training

Fortify your strength while improving your cardio with our 16-week program designed to strike the optimal balance of speed and power.

What you will achieve?

Month 1
Build robustness and increase aerobic capacity
Month 2
Enhanced strength and focus
Month 3
Improved speed, power and endurance
Month 4
Optimised central nervous system performance

Hyrox Events

Whether it’s your first Hyrox, or you’re looking to shave the seconds off your next event - our expert guides are designed to push you further and give you an edge over the competition.

What you will achieve?

Month 1
Weekly mileage of 33km, longest run of 11km
Month 2
Weekly mileage of 47km, longest run of 18km
Month 3
Weekly mileage of 63km, longest run of 28km
Month 4
Your longest run of 35km, and entering your taper phase.

Marathon Prep

Whether it’s your first 10k, half marathon, or high-level event, you’ll find structured weekly plans over 16 weeks to help you perform better week on week, and consistently beat your previous bests.
JOIN NOW

Meet the mastermind behind your future achievements

Pushing you in more ways than just physically, Josh Kempton is your dedicated health and performance coach - committed to helping you reach your peak potential.

Josh is a Corrective Exercise Specialist, Nutrition Coach, and Weight Loss Expert who has helped thousands of clients achieve their biggest fitness goals - from peak physical conditioning to ultra marathons.

In-person challenges for app members

The Big Day brotherhood goes beyond the online world with exclusive access to take part at in-person challenges throughout the year.

Your in-app guide will give you the option to train specifically for our upcoming events and give you the tools you need to not just take on new challenges, but to bring your best on the big day ahead.
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Be part of the beginning, and lock in 25% off for life.

25% Off

Monthly
$3.74
per week

$19.99

$14.99

billed every month
Join Now

25% Off

Monthly
$1.45
per week

$99.99

$74.99

billed every month
Join Now
Annual
$74.99

$1.45

per week
Join Now

Be part of the beginning, and lock in 25% off for life.

Any questions before we get started?

Does the app work in every country?

Yes it does!

Can I download this on android?

Yes you can. The Big Day App is available on iOS and Android devices

I'm new to the gym, is this for me?

100%. Our training guides can be customised to suit your  level, whether you're starting out or have been training for years.

© 2024, Jun Yuh
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