Numbers 1, 2, and 3

The Number 1 is the number reserved for the defending champion.
The Number 2 is the number reserved for his teammate.
The Number 3 is reserved for his teammate that replaces the defending champion, in the case that he cannot race.

	Number 1	Number 2	Number 3
Seasons	Driver
2012A	N/A
2012B1	Brandon Lambert	N/A
2012C	Josh Mertz	Cody Erdmann Dylan Smith	N/A
2013A	Dylan Livengood	Chris Wetz	N/A
2013B
2013C
2014A	Josh Mertz	Cody Erdmann Tristan Hagenstein	Luke Fleming Tristan Hagenstein
2014B2	Dylan Livengood	Chris Wetz	N/A
2015A	Josh Mertz	Tristan Hagenstein	Dylan Smith
2015B4		Dylan Livengood	N/A
2016A5		Cody Erdmann	Tristan Hagenstein
2017A	Cody Erdmann	Josh Mertz
2017B		Philip Kraus6	N/A
2017C	Philip Kraus	Josh Mertz
2018A	Josh Mertz	Philip Kraus
2018B	Philip Kraus	Josh Mertz	Cody Erdmann
2018C	Josh Mertz	Philip Kraus	N/A
2019A	Philip Kraus	Josh Mertz	N/A
2019B7
2020A			Flinn Lazier

Notes

• ¹ Brandon Lambert had the opportunity to use #1 for 2012B, but did not appear in the NASA RallyCross Challenge that season.
  
• ² Dylan Livengood and Chris Wetz had the opportunities to use #1 and #2, but declined in favor of their personal numbers of #51 and #71.
  
• ³ Dylan Smith will drive Car #3 under the Subaru MRT Junior banner.
• ⁴ Dylan Livengood chose not to drive Car #2 for Aftershock Motorsports.
• ⁵ While leading the championship, the titles were not officially awarded. Therefore, MRT was not allowed to inherit Numbers 1, 2, and 3 for 2016A.
• ⁶ Philip Kraus declined the offer to run Car #2, in favor of his personal number of #19.
• ⁷ While leading the championship, the titles were not officially awarded. Therefore, MRT was not allowed to inherit Numbers 1, and 2 for 2019B.