Optimizing app for faster loading...
We use analytics to improve your experience. No personal data is collected.

Grant Zilka

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 22 16:37.79 2248 2220
10/23 2024 Iowa Class 3A State Qualifier - Waverly-Shell Rock HS Boys 5K 12 16:37.5 2135 2172
10/15 Northeast Iowa Conference High School Boys 2 16:04.34 2255 2224
10/08 South Winneshiek Invitational Boys Varsity 5000M 1 15:59.60 2235 2186
10/03 Western Dubuque Invitational Varsity Boys 12 17:35 2069 2126
09/24 Waukon Invitational Varsity Boys 5K 3 17:11.5 2180 2184
09/19 39th Rich Engel Classic CC 39th Rich Engel Classic CC 6 - Varsity Boys 22 17:20.29 2200 2189
09/14 Luther All-American Invitational Glessner-Livingood-Olson-Sandness All-American Race Boys Varsity 5k (Varsity) 37 17:09.09 2126 2167
09/03 2024 Oelwein Invitational Boys Varsity 5K 5 16:37.10 2272 2268
Date Event Race Place Time Perf Score Rating
10/28 Iowa State Class 3A Championships Mens 5,000 Meters Varsity 38 16:53.79 2140 2104
10/18 Iowa State Qualifier - 3A - Clear Lake Mens 5,000 Meters Varsity 12 17:14.40 2062 2062
10/10 Northeast Iowa Conference Championships Mens 5,000 Meters Varsity 6 17:15.79 2039 2061
10/03 South Winneshiek Invitational Mens 5,000 Meters Varsity 1 16:31.39 2235 2186
09/28 Western Dubuque Invitational Mens 5,000 Meters Varsity 7 17:22.09 2069 2126
09/19 Waukon Invitational Mens 5,000 Meters Varsity 4 17:14.24 2180 2184
09/14 Rich Engel Classic Rich Engel Classic XC Meet Varsity boys 41 17:44.5 1964 1949
09/09 All-American Invitational Mens 5,000 Meters Varsity 80 18:00.20 1846 1893
08/29 Oelwein Invitational Mens 5,000 Meters Boys Varsity 5K 7 17:38.70 2185 2173
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.