Did anyone else notice on yesterdays (Monday) show that all the houseguests were out on the tennis court doing warm up exercises for the 5k except Ms. Jill. Ms Jill was busy rooting through the cupboards. While I realize that there is no way she is going to run in a 5k, the exercises they were doing on the tennis courts could have benefitted Ms Jill. They were low impact, stretching motions.
I guess you only have to participate if Rhonda specifically tells you so.