Join one of ZSUN’s longest-running and most loved events – BaseBuilder 2. Designed to help you build or maintain aerobic endurance, this ride typically covers 100km (shorter for E pen) at a consistent Zone 2 pace, with friendly chat and helpful advice throughout.

Expect a welcoming atmosphere, steady pacing (apart from the ups and downs), and a large group of regular riders. Drafting is essential, so stay close and work together!

🗓️
Saturday | ~1.8–3.2 w/kg | 90–120 mins

💬
Regular chat & tips | Join Discord for voice comms

🎁
Complete the ride to earn your ZSUN kit

🏁
Pens A–E available | All riders welcome

⚠️
Fence may be used to keep the group together

Whether you're building fitness or enjoying the social side, this ride has it all.