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Ian Chapman

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
10/11 CIML Conference Mens 5,000 Meters Frosh/Soph 216 28:50.29 684 710
10/05 Fort Dodge Invite Mens 5,000 Meters Junior Varsity 604 30:05.59 698 735
09/28 Southeast Polk XC meet Southeast Polk CC Invitational 2 - JV Boys 312 31:47.29 772 769
09/16 Heartland XC Classic Mens 5,000 Meters Frosh/Soph 156 30:00.90 752 766
09/07 50th Bobcat XC Invitational 50th Bobcat XC Invitational 9-10 Boys 359 30:03.59 754 781
09/02 Urbandale Invitational Urbandale Invitational Cross Country Boys 5 km 129 31:05.20 800 812
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.