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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 1618 1560
10/12 Bob Mudd Lynx Invitational JV Boys 10 20:01.70 1477 1475
10/05 Dan Huston/Steve Johnson Invitational Boys Varsity Gray 5000M 179 21:42.59 1366 1465
09/17 Oskaloosa Invite - 2024 HS Boys 33 19:20.40 1768 1684
09/14 Benton Community Invitational Boys 5K 21 19:20.79 1659 1646
09/10 Grinnell Invitational Boys 5K 31 19:32.09 1667 1636
09/03 2024 Williamsburg Raider Invitational Varsity Boys 5K 48 20:11 1607 1608
08/31 Cedar Rapids Prairie Invitational JV Boys 5K 18 19:55.90 1612 1608
Date Event Race Place Time Perf Score Rating
10/12 WaMaC Conference Mens 5,000 Meters JV 47 20:33 1467 1476
10/07 North Linn Invitational XC Meet Mens 5,000 Meters JV Boys 19 19:35.90 1523 1489
09/26 Williamsburg September 2023 Mens 5,000 Meters Boys Junior Varsity 5K 78 21:28.79 1382 1422
09/18 Solon Invitational Mens 5,000 Meters JV Boys 26 20:39.59 1447 1475
09/12 Oskaloosa Invite 2023 JV Boys 5000 Meter Run Finals 6 20:12.20 1596 1525
09/09 Benton Invitational Mens 5,000 Meters HS Boys 30 20:20.20 1539 1445
09/05 Grinnell Invitational Mens 5,000 Meters Varsity Boys 90 23:18.40 1667 1636
08/29 Williamsburg Invitational Mens 5,000 Meters Junior Varsity 26 22:16.90 1415 1416
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.