Colorado individual file · 2026 returner

Brendan Marcinkowski

Arapahoe High School · Grade JR
Altitude season index180.52 rated races · medium evidence
Colorado rank
#212 boys
Season-best rating
185.5
Best rated race
Nike Cross Nationals Southwest Regional
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

Colorado 5A Region 2

Oct 23, 2025 · CO
Published
17:00.56
Course correction
+0.0s
Adjusted 5K
17:00.6
Race rating
179.8

21 matched anchors · high confidence

View published result ↗
NXR Southwest

Nike Cross Nationals Southwest Regional

2025-11-22 · Place 73 · AZ
Published
16:43.48
Course correction
+0.0s
Adjusted 5K
16:43.5
Race rating
185.5

238 matched anchors · high confidence

View published result ↗