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Xavier Diaz-Johnson

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
10/16 Iowa Alliance Conference XC Iowa Alliance Conference XC meet JV boys 158 23:58.59 971 987
10/10 69th East-Mike Augustine XC Classic 69th East, Mike Augustine XC Classic Boys 5 km 59 25:21 1077 1030
10/03 Perry CC Invite Boys 5k HIGH SCHOOL 132 26:59.97 909 919
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.