US Express Invitational
what course difficulty means
How much slower times run here than on a typical
track:
+4% is about 40 seconds on a 16-minute 5K, 0% is typical, and a
negative number is a fast track.
Ratings already account for it, so a 133 run here and a 133 run
anywhere else are the same performance.
what a rating means
100 is the average runner in the athlete's pool;
a rating of 133 means 33% faster than that average runner.
Ratings are distance-normalised and course-adjusted, so a hard
course and a fast track land on one number. Each pool (high
school boys, college women, middle school…) has its own
average, and the HS-equivalent view puts every pool on the
high-school scale.
| Place | Athlete | Grade | School | Result | Rating | Points |
|---|---|---|---|---|---|---|
| 1 | Marley Richard | 11 | St. Charles Striders (LA) | 59.94 | — | 10 |
| 2 | Kamiah Belvin | 11 | Trojan Elite Fusion (LA) | 1:01.25 | — | 8 |
| 3 | Shatyra Black | 10 | RADL Track Club (LA) | 1:01.37 | — | 6 |
| 4 | Courtney Smith | 11 | Unattached (TX) | 1:02.03 | — | |
| 5 | Rodne'ja White | 10 | Future Track (LA) | 1:02.48 | — | 5 |
| 6 | Candiylnn Vega | 11 | 24-Unattached (LA) | 1:02.97 | — | |
| 7 | Asia Williams | 10 | Endeavor Track (LA) | 1:03.43 | — | 4 |
| 8 | Quinnasha Robertson | 11 | Focus Athletics Youth Track Club (LA) | 1:05.33 | — | 3 |
| 9 | Jaylieah Lewis | 11 | Zachary Wings Elite (LA) | 1:10.31 | — | 2 |
| 10 | Addison Valliere | 11 | Zachary Wings Elite (LA) | 1:10.53 | — | 1 |
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