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Zach Riley

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
10/15 CIML Conference XC CIML Conference Cross Country Boys JV 5 km 1 17:33 1993 2009
10/10 Ft Dodge Cross Country Invite Fort Dodge Cross Country Invite Varsity boys 111 17:34.09 1998 2026
09/26 Eastern Iowa Classic Varsity Boys 30 16:39.79 2105 2069
09/20 Roy Griak Invitational Boys' Championship 5k 212 18:19 2055 2040
09/12 51st Marshalltown Bobcat xc Invite 51st Marshalltown Bobcat xc Invite Varsity boys 87 16:56.20 2031 2024
09/05 2024 Ames - Schmaltz XC Invite Ames - Kirk Schmaltz Invitational JV Boys 2 16:58.60 2016 2015
Date Event Race Place Time Perf Score Rating
10/11 CIML Conference Mens 5,000 Meters Junior Varsity 2 16:47.79 1993 2009
10/05 Fort Dodge Invite Mens 5,000 Meters Junior Varsity 2 17:13.70 1985 1963
09/28 Southeast Polk XC meet Southeast Polk CC Invitational 2 - JV Boys 3 17:52.20 1953 1940
09/14 Rich Engel Classic Rich Engel Classic XC Meet Varsity boys 42 17:47.5 1959 1920
09/07 50th Bobcat XC Invitational 50th Bobcat XC Invitational JV Boys 13 17:23.5 1899 1881
08/28 55th Kirk Schmaltz XC Invite 55th Kirk Schmaltz XC Invite JV Boys 4 17:32.79 1858 1852
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.