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Nelsen Perrigo

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
10/23 4A SQM CB Lincoln Varsity Boys 38 18:43.94 1953 1940
10/15 CIML Conference XC CIML Conference Cross Country Boys Varsity 5 km 58 17:50.70 1941 1926
10/10 Ft Dodge Cross Country Invite Fort Dodge Cross Country Invite Varsity boys 133 17:53.20 1934 1909
10/05 Dan Huston/Steve Johnson Invitational Boys Varsity Gray 5000M 136 18:33.5 1812 1864
09/20 Roy Griak Invitational Boys' Championship 5k 286 18:53.79 1982 1954
09/17 50th Tom Karpen XC Invite 50th Tom Karpen XC Invite Varsity boys 15 18:28.40 1976 1930
09/12 51st Marshalltown Bobcat xc Invite 51st Marshalltown Bobcat xc Invite 9-10 boys 15 17:27.20 1913 1891
09/05 2024 Ames - Schmaltz XC Invite Ames - Kirk Schmaltz Invitational 9-10 Boys 8 17:40.40 1868 1861
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.