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Brian Ly

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 22 18:16.79 1833 1846
10/10 Ft Dodge Cross Country Invite Fort Dodge Cross Country Invite JV boys 19 18:01.70 1891 1874
10/05 Dan Huston/Steve Johnson Invitational Boys Varsity Gray 5000M 150 19:12.29 1699 1751
09/20 Roy Griak Invitational Boys' Championship 5k 305 18:58.5 1954 1990
09/12 51st Marshalltown Bobcat xc Invite 51st Marshalltown Bobcat xc Invite Varsity boys 91 17:06 2017 2044
09/07 2024 Spartan Challenge Varsity Male 52 17:26 2057 2077
08/31 Dragon Sunrise XC Invite Dragon Sunrise XC Invitational - Boys 13 17:34.70 2118 2114
Date Event Race Place Time Perf Score Rating
10/11 CIML Conference Mens 5,000 Meters Frosh/Soph 13 18:03.70 1833 1846
10/05 Fort Dodge Invite Mens 5,000 Meters Junior Varsity 35 18:09.09 1817 1802
09/07 50th Bobcat XC Invitational 50th Bobcat XC Invitational 9-10 Boys 23 18:35.40 1729 1733
09/02 Pleasant Valley Spartan Classic Mens 5,000 Meters Frosh/Soph 13 18:33 1784 1744
08/26 Johnston xc Invite Johnston XC Invite Boys 51 18:50.20 1643 1641
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.