MacKenzie Browne of J.W. North (SS) opened her outdoor season with a nationally-ranked time in the 1600m, slotting U.S. No. 10 for her effort at the Thousand Oaks Invitational.
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The Senior Leaders series focuses on standout track and field athletes in the Class of 2023. Leaders lists are based on results in the MileSplit database as of 6 p.m. PST on Thursday, March 2. These rankings are based on outdoor meets held between Feb. 16 and Feb. 28. All-comers and similar events held during that time window, categorized as Polar Bear (winter outdoor), are not intended to be included here. However, some mis-categorized all-comers meets may appear below. Please alert us to any missing outdoor season marks from meets during the timeframe indicated.