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Costa Kosiba

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
10/17 2024 MRAC Cross Country Meet 2024 Boys 5000 Meter Run Finals 88 23:10.90 1315 1288
10/03 South Sioux City XC Invite Boys 5000m JV 99 24:11.53 1186 1193
09/17 Woodbury Central XC Meet Boys 5000m Varsity & JV 53 24:02.51 1273 1222
09/14 Tim Thomas Classic Boys 5000m High School Class A 163 24:00.65 1173 1166
09/10 Lemars XC Invite Boys 5000m JV 146 28:55.46 998 1104
09/03 2024 Dakota Valley Cross Country JV 4k Boys 4000m Junior Varsity 13 16:48.62 1368 1316
08/30 SC Heelan XC Meet JV Boys 2.1 Mile Run JV 20 16:07.60 1216 1214
Date Event Race Place Time Perf Score Rating
10/12 MRAC XC Meet 2023 JV Boys 5000 Meter Run Finals 0 24:02.74 1159 1151
09/28 South Sioux City Cross Country Invitational 2023 JV Boys 5000 Meter Run Finals 113 26:01.76 1114 1127
09/09 Tim Thomas XC Classic 2023 1A Boys 5000 Meter Run Finals 83 23:47.07 1266 1223
09/05 Gary Meyer Memorial Mens 5,000 Meters Junior Varsity 142 26:28.84 1063 1097
08/25 Heelan XC Invite 2023 Mens 2.1 Miles Junior Varsity 55 16:34.89 1223 1226
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.