While I was away Masten posted a detailed update on what they've accomplished and plan with their current XA-0.1 vehicle. They also have details on advances they plan with XA-0.2. The Lunar Lander Challenge is just one part of their plan. Some pictures and comments complete the post.
RLV News has a post on this with a discussion in the comments on whether or not the frontrunners in various NewSpace niches are too far in front for cliff-hanger competitions.