https://www.mercurynews.com/2019/05/18/ncs-girls-track-act-of-sportsmanship-highlights-wet-championships/
You can check out the video of the race at this LINK.
I contacted rules expert Hal Harkness and this was his response regarding assistance during a TF event.
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Under the current NFHS Rule Book that is good until January, 2020, 4-7-5-g.."It is an unfair act when a competitor receives assistance. Assistance includes:
g. Competitor receiving assistance from another competitor to complete the race. Both competitors shall be disqualified unless a competitor is injured or becomes ill and an appropriate health-care professional is not available, only the injured/ill competitor is disqualified."
Note: Every attempt should be made for the appropriate health-care professionals to make these decisions as to assistance.
There will be additional discussion at the National Rules Committee Meeting is mid-June regarding assistance and when it is allowed.
Hal


