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Isabel Birker

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 WaMaC Conference Championships JV Girls 5K 56 25:41.70 1322 1335
10/12 Bob Mudd Lynx Invitational JV Girls 43 25:55.40 1299 1347
10/08 West Delaware Hawks XC Varsity Girls 114 25:42 1359 1379
10/01 Williamsburg Invitational Girls Junior Varsity 5K 63 25:00.59 1384 1398
09/24 Vinton-Shellsburg Invitational Girls 5K 39 25:37.79 1414 1411
09/17 Starmont Invitational Girls Junior Varsity 5K 20 26:29.09 1456 1408
09/14 Benton Community Invitational Girls 5K 40 26:22.59 1386 1372
09/03 2024 Oelwein Invitational Girls Varsity 5K 100 27:28.5 1351 1349
Date Event Race Place Time Perf Score Rating
10/12 WaMaC Conference Womens 5,000 Meters JV 56 26:19.40 1290 1308
10/07 North Linn Invitational XC Meet Womens 5,000 Meters Varsity Girls 93 25:57.40 1293 1323
10/03 West Delaware Hawks XC Womens 5,000 Meters Girls Varsity 105 26:55.5 1359 1379
09/26 Williamsburg September 2023 Womens 5,000 Meters Girls Junior Varsity 5K 53 25:44.79 1375 1386
09/19 Vinton-Shellsburg Invitational Womens 5,000 Meters JV Girls 5K 13 26:15.59 1414 1411
09/12 Starmont Invitational Womens 5,000 Meters Girls Junior Varsity 5K 44 27:26.20 1456 1408
09/09 Benton Invitational Womens 5,000 Meters HS Girls 33 26:01.90 1428 1442
09/07 Union Invitational Womens 5,000 Meters Girls 5K 44 25:15.09 1470 1452
08/29 Oelwein Invitational Womens 5,000 Meters Girls Varsity 5K 97 28:06.90 1425 1426
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.