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Shiann Byrd

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
10/24 Central Decatur 1A District Meet Girls 5k Varsity 48 27:01.20 1250 1278
10/15 POI Conference Meet at Mt Ayr Girls 5k 19 24:56.98 1413 1363
10/08 Centerville Invite Girls 5k High School 91 25:30.59 1328 1291
10/01 Ogden Cross Country Meet HS Girls 60 26:39.43 1221 1225
09/24 Creston Invitational XC Creston Invitational XC Girls 5 km 57 29:32.79 1170 1237
09/19 SW Valley CC Invite Girls 4k HIGH SCHOOL 24 22:10.09 1308 1297
09/16 Pleasantville CC Invite Girls 5k HIGH SCHOOL 58 27:08.21 1309 1286
09/10 Central Decatur Invite Girls 5k 31 27:24.45 1275 1255
09/05 Wayne CC Invite Girls 5k High School 54 28:15.47 1222 1225
Date Event Race Place Time Perf Score Rating
10/19 Iowa State Qualifier - 1A - Central Decatur Womens 5,000 Meters Varsity 39 24:11.83 1429 1388
10/10 POI Conference Meet Girls 5k Run High School 33 27:47.80 1413 1363
10/03 Centerville CC Invite Girls 5k Run High School 98 25:27.05 1342 1315
09/14 Southwest Valley CC Invitational Girls 5k Run High School 24 29:29.40 1222 1213
09/11 PLEASANTVILLE TROJAN INVITATIONAL Girls 5k Run CC High School 83 27:37.90 1197 1201
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.