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Zach Karney

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
10/23 4A SQM Pleasant Valley Boys Varsity 64 20:36 1388 1380
10/16 Mississippi Athletic Conference Meet Boys Varsity 5K 67 20:18.20 1380 1371
10/10 Jim Hetrick Invitational (Central DeWitt) Boys Varsity 5K 99 21:10.59 1353 1358
09/28 Augustana College High School Invitational MEN - 3 Miles (4.83 Kilometers) 43 20:10.40 1406 1371
09/21 Geneseo XC Invitational Junior Boys 25 21:49.5 1307 1325
09/17 North Scott Lancer XC Varsity Boys 55 22:06.20 1347 1345
09/07 2024 Spartan Challenge Varsity Male 106 21:20 1365 1340
08/31 Cedar Rapids Prairie Invitational Varsity Boys 5K 134 22:20.09 1288 1291
Date Event Race Place Time Perf Score Rating
10/18 Iowa State Qualifier - 4A - Pleasant Valley Mens 5,000 Meters Varsity 62 20:11 1512 1498
10/12 2023 MAC XC Conference Championships Varsity Boys 62 20:34.79 1435 1469
10/05 Jim Hetrick Invitational (Central DeWitt) Mens 5,000 Meters Boys Varsity 5K 77 19:59.70 1353 1358
09/30 Steve Johnson Invitational Mens 5,000 Meters Boys Varsity Orange 5000M 299 20:44.59 1560 1508
09/28 Davenport City Meet 2023 Varsity Boys 5000 Meter Run Finals 20 20:42.09 1446 1462
09/18 2023 Muscatine XC Invitational Varsity Male 14 21:26 1495 1495
09/12 North Scott XC Mens 5,000 Meters Varsity Boys 54 20:03.5 1529 1495
09/07 Cedar Rapids Invitational Mens 5,000 Meters Varsity 123 21:02.23 1366 1389
09/02 Pleasant Valley Spartan Classic Mens 5,000 Meters Varsity 92 20:44 1540 1499
08/26 Cedar Rapids Prairie Invitational Mens 5,000 Meters Varsity Boys 5K Black 75 22:06.29 1288 1291
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.