Ninja 5K, 10K, & 13.1M at Grand Ledge, MI (31)

This out-and-back course has a 3-hour 30-minute time limit. Register on RunSignup; no on-site registration. A vehicle entrance fee is required for the park. Cashless pay stations may be in use, so a card is recommended. Finisher Medals will be awarded, and there's a prize for Best Costume.