Champions Field is an arena that was added during the 2 year anniversary of Rocket League within Patch 1.35. There are 2 variants of Champions Field: Normal and Day.
The Day version was added in Patch 1.37, and made available through the Casual, Rumble and Competitive playlist on September 28th 2017.
Champions Field is one of the standard maps and is occasionally used in tournaments. The map made appearances in tournaments such as the ELEAGUE Cup, Gfinity Elite Series Season 1 & 2, and the Northern Arena Invitational.