Osan Air Base Fitness Center

03/09/2026

💪🏽ATTENTION OSAN FITNESS CENTER PATRONS! 🏋🏽‍♀️

Please see below for our Labor Day Hours of Operations.
Plan your workouts accordingly, and thank you for your continued support!

4 SEP: UNMANNED 24/7 Access Only
5 SEP: NORMAL OPERATIONS (0800-1700)
6 SEP - 7 SEP: UNMANNED 24/7 Access Only
8 SEP: RESUME NORMAL OPERATIONS

21/08/2026

📢 Readiness Training Hours of Operation

UPDATE 28 August: Fitness Center unmanned hours are extended through Sunday. Regular hours of operation will resume on Monday, 31 August.

📢 Readiness Training Hours of Operation

Team Osan, readiness training is scheduled for 24–28 August. Several FSS facilities will experience modified hours or closures.

Please reference the schedule before planning your visit: https://51fss.com/51fss-irregular-hours/

19/08/2026

💪🏽ATTENTION OSAN FITNESS CENTER PATRONS! 🏋🏽‍♀️

Please see below for next week’s hours of operation.
Plan your workouts accordingly, and thank you for your continued support!

06/08/2026

Team Osan,

The Cardio and Weight Rooms have been re-open. Thank you for your continued patience.

05/08/2026

Team Osan,

The Osan Fitness Center (Bldg 1423) is currently experiencing an HVAC emergency. As a result the Cardio and Weight Rooms are closed until further notice. Thank you for your understanding.

14/05/2026

Due to Real World mission the Osan Fitness Center will observe 24 hour access only Friday 15 May 2026. Thank you and have a great weekend

04/05/2026