Here you can find your Max Fun User account
Log into your user account.
There you will find all registrations for the races 2020.
In the dropdown to the right of each race you will find actions such as data modification or team management.
If you have already registered for a Spartan Race 2020 before 20.11.2019 and agreed to the data migration (see: Data Migration from Athlinks) you can log into your user account at https://my.maxfunregister.com/site/spartan-login