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Brendon Zheng

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 MVC Valley Divisional Boys Fr-So & JV JV 31 18:59.5 1602 1622
10/10 MVC Super Meet JV Boys 5K 64 18:53.79 1622 1643
10/03 Bud Williams Invitational Boys JV 5000M 24 19:20.09 1732 1671
09/26 Jim Boughton XC JV Boys 22 19:10.20 1627 1623
09/19 39th Rich Engel Classic CC 39th Rich Engel Classic CC JV boys 75 20:19.29 1639 1619
09/12 51st Marshalltown Bobcat xc Invite 51st Marshalltown Bobcat xc Invite JV boys 106 19:14.09 1620 1597
09/07 2024 Spartan Challenge Junior Varsity Male 66 19:49 1565 1568
Date Event Race Place Time Perf Score Rating
10/12 2023 MVC Valley Divisional Meet Mens 5,000 Meters Junior Varsity 48 18:37.79 1633 1653
10/05 MVC Super Meet Mens 5,000 Meters Varsity Boys 89 19:17.09 1622 1643
09/30 Steve Johnson Invitational Mens 5,000 Meters Boys JV 5000M 26 19:07.29 1777 1726
09/21 Jim Boughton XC Mens 5,000 Meters JV Boys 14 18:39.59 1627 1623
09/16 Heartland XC Classic Mens 5,000 Meters Junior Varsity 65 19:03.59 1719 1698
09/07 50th Bobcat XC Invitational 50th Bobcat XC Invitational JV Boys 89 19:08.20 1665 1678
09/02 Linn-Mar Invitational Mens 5,000 Meters HS Boys 70 19:12.09 1689 1689
08/28 Trojan Early Bird Invitational Mens 5,000 Meters JV Boys 5K 9 19:46.09 1691 1688
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.