Nintendo Switch Online members have a chance to earn 310 Platinum Points as part of MAR10 Day, a community challenge in My Nintendo’s Mario Kart 8 Deluxe. From March 7 to March 17 at 11:59 p.m. PT, players can participate by completing one million combined laps.
To join, start the game during the event timing and follow these steps:
1. Select Online Play
2. Head over to Tournaments and then Search by Code
3. Enter code 1152-2501-4827
Players can earn points for participating in the challenge and redeem them for rewards from My Nintendo. If you’re not a member yet, you can get a 14-Day Free Trial Nintendo Switch Online Individual Membership to participate.
The offer is only available until March 17 at 11:00 p.m. PT, so act quickly. Additionally, two new physical rewards are now available for redemption with Platinum Points. Make sure to check the terms and conditions before participating in the challenge.
Source: https://www.nintendo.com/us/whatsnew/3-2-1-go-for-platinum-points