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Harper Erwin

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
10/24 IC Regina 1A State Qualifier Girls 5K 13 22:23.79 1802 1804
10/15 River Valley XC High School Girls 28 22:33.09 1805 1807
10/12 Bob Mudd Lynx Invitational Varsity Girls 36 21:49.70 1834 1809
10/07 Hillcrest Academy Invitational HS Girls 32 22:53.19 1754 1775
10/01 Iowa City West Invitational Varsity Girls 23 22:39.79 1768 1805
09/26 Eastern Iowa Classic Varsity Girls 27 22:09.29 1813 1854
09/19 Cascade Invitational Girls 5K 17 22:56.90 1896 1899
09/14 Luther All-American Invitational Johnson-Olson All-American Race Girls Varsity 5k (Varsity) 87 21:51 1908 1901
09/10 Tipton XC Varsity Girls 12 22:23.90 1885 1893
09/05 2024 BOB BROWN CROSS COUNTRY CLASSIC Girls 5k 22 22:34.08 1908 1906
Date Event Race Place Time Perf Score Rating
10/27 Iowa State Class 1A Championships Womens 5,000 Meters Varsity 89 21:38 1799 1780
10/19 Iowa State Qualifier - 1A - Regina Womens 5,000 Meters Varsity 13 22:30.20 1750 1752
10/10 River Valley Conference XC Meet 2023 Varsity Girls 5000 Meter Run Finals 34 22:43 1734 1756
09/30 Steve Johnson Invitational Womens 5,000 Meters Girls Varsity Orange 5000M 121 22:43.79 1792 1789
09/26 Iowa City West Invitational 2023 Varsity Girls 5000 Meter Run Finals 16 23:01.09 1756 1785
09/21 Eastern Iowa Classic Womens 5,000 Meters Varsity 25 21:22 1813 1854
09/14 Cascade Invitational 2023 Girls 5000 Meter Run Finals 23 22:39.09 1834 1849
09/09 All-American Invitational Womens 5,000 Meters Varsity 59 21:29.5 1882 1866
09/01 Bob Brown Invitational Womens 5,000 Meters Varsity 24 22:38.88 1843 1840
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.