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Runner Profile
Zifu Song
Milton Academy / PR 21:31.00
Course-adjusted PR 21:39.25
Adjusted-best source course
Oct 25, 2025
Rankings use the course-adjusted PR, not the raw race time.
Progress graph
Season progression
Each race appears as a dot in chronological order. Hover a dot for the race name and click it to open the race page.
Race History
Most recent results first
Showing only 2025 results for this season view.
| Date | Race | Course | Raw / Adj. | Place |
|---|---|---|---|---|
| Nov 8, 2025 | NEPSTA Division I Championship (JV)Nov 8, 2025 · Place 84 | Taft School 5K | Raw 21:15.00Adj. 20:39.54 | 84 |
| Oct 31, 2025 | Independent School League (ISL) Championship (JV)Oct 31, 2025 · Place 72 | Wrentham Championship 5K | Raw 20:31.57Adj. 21:02.44 | 72 |
| Oct 25, 2025 | Milton Academy vs. BB&N boys cross countryOct 25, 2025 · Place 36 | Milton Standard 5K | Raw 21:31.00Adj. 21:39.25 | 36 |
| Oct 18, 2025 | Milton (M) vs. Nobles (N) vs. Middlesex (MX) (JV)Oct 18, 2025 · Place 10 | Milton Standard 5K | Raw 20:20.00Adj. 20:27.80 | 10 |
| Oct 11, 2025 | Milton Academy, Nobles, Tabor at St. George's (JV)Oct 11, 2025 · Place 21 | St. Georges 5K | Raw 22:00.00Adj. 21:36.63 | 21 |
| Sep 27, 2025 | Brooks, Governor's Academy, Lawrence Academy vs. Milton Academy (JV)Sep 27, 2025 · Place 8 | Milton Standard 5K | Raw 21:30.00Adj. 21:38.24 | 8 |