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Thank you for your interest in saving lives in the Ozarks by taking the 56-Day Challenge!
To be eligible to win prizes, you must register by the appropriate deadline:
- Donors who have made at least one LIFETIME donation to CBCO (1995-Present) on or before February 28th, 2025, must register by February 28th, 2025.
- Donors who will be making their first LIFETIME donation to CBCO (1995-Present) after February 28th, 2025, must register within seven days of their first donation.
We’re sorry, but registrations for the 56-Day Challenge have closed. Keep checking our website for more information about upcoming blood drives and promotions.
Thank you to our 56-Day Challenge sponsors:
