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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 1604 1620
10/10 MVC Super Meet JV Boys 5K 64 18:53.79 1624 1643
10/03 Bud Williams Invitational Boys JV 5000M 24 19:20.09 1731 1684
09/26 Jim Boughton XC JV Boys 22 19:10.20 1629 1627
09/19 39th Rich Engel Classic CC 39th Rich Engel Classic CC JV boys 75 20:19.29 1639 1623
09/12 51st Marshalltown Bobcat xc Invite 51st Marshalltown Bobcat xc Invite JV boys 106 19:14.09 1621 1600
09/07 2024 Spartan Challenge Junior Varsity Male 66 19:49 1565 1567
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 1632 1645
10/05 MVC Super Meet Mens 5,000 Meters Varsity Boys 89 19:17.09 1624 1643
09/30 Steve Johnson Invitational Mens 5,000 Meters Boys JV 5000M 26 19:07.29 1775 1737
09/21 Jim Boughton XC Mens 5,000 Meters JV Boys 14 18:39.59 1629 1627
09/16 Heartland XC Classic Mens 5,000 Meters Junior Varsity 65 19:03.59 1719 1700
09/07 50th Bobcat XC Invitational 50th Bobcat XC Invitational JV Boys 89 19:08.20 1663 1675
09/02 Linn-Mar Invitational Mens 5,000 Meters HS Boys 70 19:12.09 1687 1687
08/28 Trojan Early Bird Invitational Mens 5,000 Meters JV Boys 5K 9 19:46.09 1690 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.