On your marks. Marathon is ready to open its doors to eager Runners. If you have been curious to see what the game is like now, then today is the day that you have been waiting for. The Server Slam will allow players into a limited slice of the game to see if the server infrastructure is ready to handle the March 5 release date. The Marathon Server Slam begins today, February 26, and will run until March 2. The Server Slam will start at 10 am PT, with a global launch. Depending on your timezone, that means the Server Slam begins at the following times: The Marathon Server Slam will feature two zones: Perimeter and Dire Marsh. If you have never played them before, be sure to get the lay of the land over on Shackmaps. Contracts will be available for five factions: Arachne, CyberAcme, NuCaloric, Traxus, and MIDA. There will also be a variety of Runners available, each with different skills and playstyles to experiment with. All players who complete the introductory mission during the Server Slam will unlock a unique Beta.exe emblem and Complex Study player background. These cosmetic rewards will be exclusive to Server Slam participants. You can also get your hands on some rewards for the full game launch on March 5. Complete your first mission: Unlock the Standard Arrival Cache Reach Runner Level 10: Unlock the Enhanced Arrival Cache (Green) Reach Runner Level 30: Unlock the Deluxe Arrival Cache (Blue) Cosmetic and loot rewards will be delivered once Marathon launches on March 5. You should also make sure you sign up for Marathon Twitch Drops to get more free items. For more news and guides on the game, make sure to check out our Marathon page. 
What is the exact start time of the Marathon Server Slam?

Marathon Server Slam Rewards