A substantial rumour out of Beaverton today is brewing that Kipyegon will be the star of a Nike Ineos/Breaking2 type scenario where male pacers will provide an environment for the first female sub4 mile.
Further planning is of course subject to her performance over the next 8 weeks, but the event is loosely planned for late June/early July. Multiple venues are being considered, taking into account historically fast times at each specific location, weather at that point of the year (wind, etc), as well as the actual male pacers being organized for the attempt.
Note that Faith is opening her season at the China DL over 1000m.