* Union Catholic's Elijah Brown grabbed a US No. 1 in the 600m this weekend
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It was an incredible weekend, and things ...are starting to ...heat up.
The indoor season is finally in full force, which means US No. 1s are going to be popping off in routine fashion in the weeks to come.
Take a look at the top 25 performances in every event over the past week of action.
Top 25: Boys - Girls