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Ian Van Der Werff

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
11/01 Iowa High School Cross Country Championships Class 3A Boys 5000M 96 17:48 1939 1958
10/23 Gilbert 3A District Meet Boys 5k Varsity 28 17:24.59 1942 1982
10/15 Siouxland XC Conference Meet Boys 5000m Varsity 21 17:03.45 1983 2027
10/08 Cherokee XC Meet Boys 5000m Varsity 14 17:33.80 2075 2066
10/01 Hull Western XC Invite Boys 5000m Varsity 8 17:23.94 2039 2057
09/26 Sioux Center XC Invite Boys 5000m Varsity 25 17:35.41 2080 2072
09/17 Storm Lake XC Meet Boys 5000m Varsity 11 18:02.91 2048 2062
09/14 Tim Thomas Classic Boys 5000m High School Class A 12 17:32.54 2120 2079
09/10 Lemars XC Invite Boys 5000m Varsity 37 19:29.71 1943 2004
09/05 Spirit Lake/Okoboji XC Meet Boys 5000m Varsity 18 17:35.48 2096 2096
Date Event Race Place Time Perf Score Rating
10/28 Iowa State Class 3A Championships Mens 5,000 Meters Varsity 59 17:05.90 2060 2075
10/18 Iowa State Qualifier - 3A - Spencer Mens 5,000 Meters Varsity 13 17:12.93 2073 2093
10/10 Siouxland Conference @ West Lyon 2023 Varsity Boys 5000 Meter Run Finals 5 17:11.26 2130 2113
10/03 Cherokee XC Meet 2023 Varsity Boys 5000 Meter Run Finals 6 17:15.46 2099 2097
09/26 Western Christian XC Invitational 2023 Varsity Boys 5000 Meter Run Finals 2 17:35.5 2121 2094
09/12 Storm Lake 2023 Boys 5000 Meter Run Finals 10 17:34 2031 2051
09/09 Tim Thomas XC Classic 2023 1A Boys 5000 Meter Run Finals 10 17:42.94 2108 2073
08/29 Spirit Lake Invitational 2023 Varsity Boys 5000 Meter Run Finals 7 18:05.58 2025 2017
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.