FYI it should perhaps be mentioned that the deadline for participation has passed [0]:

   Team Qualification open for self-funded teams
   Sept 1 – Nov 27, 2023

   Challenge Kick-Off
   November 6-7, 2023

It seems that the challenge ends "Fall 2026"

[0] https://triagechallenge.darpa.mil/docs/DARPA_Triage_Challeng...