Become a 5K runner.

Bangkok's friendliest Couch to 5K. Sunday mornings at Chatuchak Park, a personal letter every week, and a crew that runs at your pace. We'll be in touch as soon as we have a Sunday for you.

First name

Email

How do we reach you?

Line if you're in Thailand, WhatsApp if not. At least one.

Line ID

WhatsApp number

Instagram (optional)

Where are you right now?

How long can you run continuously, without walking? Be honest — places you on the right Sunday.

Never tried, or under 1 min 1–2 min · ~150–300 m 2–5 min · ~300–800 m 5–10 min · ~800 m – 1.5 km 10–15 min · ~1.5 – 2 km 15–25 min · ~2.5 – 3.5 km 25 min or more · 4 km+ Something else

What's your 5K for?

One sentence. We'll quote it back to you in your weekly letter — make it real.

Almost done.

A couple of optional things, and we're set.

Anything we should know? (injuries, conditions)

Ray

Founder of Theory of Momentum

Hey there,

Welcome to the 5K club. It means a lot to me that you're up for a change — I'll be here to help you make it happen.

I'll reach out soon with your program.

Join this Sunday's run

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