Optimizing app for faster loading...
We use analytics to improve your experience. No personal data is collected.
Screen Recording:

Brevin Zirkel

Complete race history and performance trends

Performance Analytics
Understanding Performance Data
Performance Score: Individual race rating reflecting strength of competition and finishing position.
Updated Rating: Cumulative rating that evolves based on recent performances and past history.
Date Event Race Place Time Perf Score Rating
10/17 2024 WaMaC Conference Championships JV Boys 5K 18 19:18.29 1615 1564
10/12 Bob Mudd Lynx Invitational JV Boys 10 20:01.70 1473 1464
10/05 Dan Huston/Steve Johnson Invitational Boys Varsity Gray 5000M 179 21:42.59 1370 1419
09/17 Oskaloosa Invite - 2024 HS Boys 33 19:20.40 1764 1688
09/14 Benton Community Invitational Boys 5K 21 19:20.79 1655 1646
09/10 Grinnell Invitational Boys 5K 31 19:32.09 1662 1635
09/03 2024 Williamsburg Raider Invitational Varsity Boys 5K 48 20:11 1600 1604
08/31 Cedar Rapids Prairie Invitational JV Boys 5K 18 19:55.90 1612 1610
Date Event Race Place Time Perf Score Rating
10/12 WaMaC Conference Mens 5,000 Meters JV 47 20:33 1467 1477
10/07 North Linn Invitational XC Meet Mens 5,000 Meters JV Boys 19 19:35.90 1521 1495
09/26 Williamsburg September 2023 Mens 5,000 Meters Boys Junior Varsity 5K 78 21:28.79 1378 1411
09/18 Solon Invitational Mens 5,000 Meters JV Boys 26 20:39.59 1448 1473
09/12 Oskaloosa Invite 2023 JV Boys 5000 Meter Run Finals 6 20:12.20 1595 1539
09/09 Benton Invitational Mens 5,000 Meters HS Boys 30 20:20.20 1538 1459
09/05 Grinnell Invitational Mens 5,000 Meters Varsity Boys 90 23:18.40 1662 1635
08/29 Williamsburg Invitational Mens 5,000 Meters Junior Varsity 26 22:16.90 1417 1418
Performance Trends Over Time

Visual representation of performance progression across all seasons. Box plots show rating uncertainty ranges, with the blue line indicating updated ratings and red dotted line showing individual race performance scores.

Reading the Chart: Box plots illustrate rating ranges and uncertainty. Performance scores outside expected ranges can lead to significant rating adjustments, reflecting the dynamic nature of performance evaluation. Season breaks are marked with vertical lines.