Colorado individual file · 2026 returner

Mary Seifert

ThunderRidge High School · Grade JR
Altitude season index148.32 rated races · medium evidence
Colorado rank
#45 girls
Season-best rating
156.1
Best rated race
Liberty Bell Cross Country Invitational
Rating band
State contender

Race evidence

Every race behind the number.

Published time is preserved. Adjusted 5K and rating reflect the course correction inferred from matched athletes in that race.
Colorado race

Liberty Bell Cross Country Invitational

Sep 13, 2025 · CO
Published
18:11.60
Course correction
+0.0s
Adjusted 5K
18:11.6
Race rating
156.1

326 matched anchors · high confidence

View published result ↗
NXR Southwest

Nike Cross Nationals Southwest Regional

2025-11-22 · Place 138 · AZ
Published
19:01.07
Course correction
+16.0s
Adjusted 5K
18:45.1
Race rating
145.0

79 matched anchors · high confidence

View published result ↗