For decades, humans have ventured into space, pushing the boundaries of their mental and physical limits to explore the great unknown. But no professional astronaut can leave Earth without extensive training.

Astronauts must have a multitude of competencies and capabilities, in-depth knowledge, and be in peak physical condition. And while it takes years of training to prepare for spaceflight, the first steps to building those crucial key skills begin here on Earth, from a young age.

In Mission X: train like an astronaut, you’ll learn the key elements to keeping fit and staying healthy in space and on Earth. Developed by space scientists and fitness professionals working with astronauts and space agencies across the world, Mission X uses the excitement of space exploration to inspire students to learn about science, nutrition, exercise and space. The project can be delivered either through the curriculum, through collapsed timetable days, through homework challenges or clubs … or a mixture!

Project objectives

Mission X aims to promote the teaching and learning of STEM competences and physical skills through two sets of activities:

  • Physical activities are hands-on training missions targeting strength, endurance, coordination, balance, spatial awareness, and more.
  • Scientific activities are classroom investigations which focus on STEM subjects and allow students to practice scientific reasoning, critical thinking, teamwork skills, and more.

Walk to the Moon Challenge

Teams of students can participate in the annual Walk to the Moon Challenge. During the challenge, teams across the world complete Mission X activities and submit them online to earn steps. Steps submitted by all of the participating teams help the Mission X mascots, Luna and Leo, walk 384 400km – the distance from Earth to the Moon.


The challenge takes place annually from the beginning of January to the end of May*.

The challenge is designed to be completed in 6 weeks, but can be adapted to suit alternative timelines. There is no minimum or maximum amount of activities that must be completed to participate in the challenge.

*The 2022 challenge has been extended from 31 May to 31 July. 

Who can participate?

Age Range: The Mission X activities are developed for ages 8-12, but can easily be adapted for other age groups and skill levels.


  • No minimum or maximum number of team members required to participate, but students are encouraged to work with at least 1 other person.
  • Each team must be supported by a Team Leader (teacher, mentor, educator, or parent).
  • Family teams are welcome.

Open worldwide: National Organisers help facilitate the project in each of our participating countries by providing local support.

  • If your country is not listed, you can still take part in the challenge! Your registration will be managed by our UK National Organiser.


  • registration opens
  • training dates for teachers/leaders announced*

Teacher/leader preparation:

  • determine the dates your team will implement the challenge (suggested 6-9 weeks)
  • create a plan of action for your team
  • gather materials for the challenge

Walk to the Moon Challenge

Website opens for activity submissions.

Complete your Mission X activities and earn points

Certificates released

Certificates released

Website closes for activity submissions

Website closes for activity submissions

*extended from 31 May to 31 July

How to complete activities and earn steps

The Walk to the Moon Challenge steps calculator will open for submissions in January! 

STEP 1: Sign-up or log-in to your Team Leader account.

STEP 2: Add your Teams.

STEP 3: Completing the physical and scientific activities from the Mission X activity catalogue.

STEP 4: On your Team Leader Dashboard you can click the “Submit Activities” button for each of your registered Teams. 

STEP 5: Select a Team and the activity your team completed from the dropdown menu. Give a scoring for how well your Team completed the activity. Click “submit”.

STEP 6: Congratulations! Your earned steps are automatically generated and added to the overall step calculator on the Walk to the Moon Challenge page.

Remember, Team members can also track their individual progress using the Mission Journal: Student Logbook (download below).

Introduction to activities

Extra tools and resources