The National Obstacle Series is a unique event featuring some of the world's largest inflatable obstacles.

Want to know what you'll be letting yourself in for? All your questions about NOS, answered.

Get ready for the next NOS challenge with our complimentary workout sessions.

Join us every Friday at Sultan Qaboos Sports Complex from 8 to 9am.

Want to get involved as a volunteer?

The NOS Crew are a team of champions who work hard to make sure everyone who attends NOS has an amazing experience.