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Zayin Barkley

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
09/17 North Scott Lancer XC JV Boys 62 23:55.20 1144 1190
09/12 Cedar Rapids Invitational JV Boys 5K 103 22:40.09 1250 1249
09/07 2024 Linn-Mar Invitational Boys 5K 175 22:01.5 1283 1247
08/31 Cedar Rapids Prairie Invitational JV Boys 5K 74 24:01.29 1172 1169
Date Event Race Place Time Perf Score Rating
10/12 WaMaC Conference Mens 5,000 Meters JV 126 24:01.09 1050 1033
10/07 North Linn Invitational XC Meet Mens 5,000 Meters JV Boys 91 24:37.70 999 1016
10/03 West Delaware Hawks XC Mens 5,000 Meters JV Boys 120 24:28.70 1030 1033
09/26 Washington Invitational 2023 Varsity Boys 5000 Meter Run Finals 90 24:51.61 1070 1037
09/21 Eastern Iowa Classic Mens 5,000 Meters Junior Varsity 163 24:08.99 983 1005
09/18 Solon Invitational Mens 5,000 Meters JV Boys 82 24:17.79 1035 1024
09/07 Cedar Rapids Invitational Mens 5,000 Meters Junior Varsity 133 24:38.5 1250 1249
09/01 Bob Brown Invitational Mens 5,000 Meters Varsity 195 26:15.24 1004 1010
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.