## 10. Achievement System Expansion
**What it does:** Additional achievement types beyond basic badges.
**New Achievements:**
– **Speed Demon**: Complete 10+ tracks under 60 seconds
– **Marathon Racer**: Race 20+ times in one day
– **Night Owl**: Race 10+ times between midnight-6am
– **Weekend Warrior**: Complete 25+ races on weekends
**How to use:**
– Automatically checked when user races
– Badges awarded automatically when criteria met
– View in member dashboard
**Methods:**
“`php
$members->check_expanded_achievements($user_id);
// Returns array of newly awarded badge types
“`
—