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Jason Rivas

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 SE Polk 4A State Qualifying XC Boys 5 km 57 19:34.20 1600 1604
10/16 Iowa Alliance Conference XC Iowa Alliance Conference XC meet Varsity boys 42 18:56 1640 1611
10/10 69th East-Mike Augustine XC Classic 69th East, Mike Augustine XC Classic Boys 5 km 16 20:27.59 1603 1568
10/03 Southeast Polk CC Invitational Southeast Polk CC Invitational Varsity boys 49 21:06.90 1489 1509
09/26 56th Indianola CC Invitational 56th Indianola CC Invitational Varsity boys 74 19:30.70 1561 1544
09/23 PCM CC Invite Boys 5k High School 49 21:53.40 1463 1513
09/17 50th Tom Karpen XC Invite 50th Tom Karpen XC Invite Varsity boys 68 21:12.29 1582 1574
09/12 51st Marshalltown Bobcat xc Invite 51st Marshalltown Bobcat xc Invite Varsity boys 131 19:29.90 1588 1563
09/05 2024 Ames - Schmaltz XC Invite Ames - Kirk Schmaltz Invitational JV Boys 85 20:04.5 1523 1521
Date Event Race Place Time Perf Score Rating
10/18 Iowa State Qualifier - 4A - Southeast Polk Mens 5,000 Meters Varsity 61 20:46.59 1432 1422
10/12 Iowa Alliance Conference 2023 Varsity Boys 5000 Meter Run Finals 55 21:00.5 1367 1403
10/05 68th Mike Augustine XC Classic 68th Mike Augustine Cross Country Classic Varsity Boys 5 km 21 21:12 1467 1455
09/28 Southeast Polk XC meet Southeast Polk CC Invitational 4 - Varsity Boys 54 21:46.79 1424 1436
09/21 Indianola CC Invitational 55th Indianola XC Invitational 4 - Varsity Boys 83 21:10.20 1480 1457
09/12 49th Tom Karpan XC Invite 49th Tom Karpan XC Invite Varsity boys 63 22:22.70 1387 1408
08/29 Dallas Center-Grimes Invitational Dallas Center-Grimes Invitational XC Boys 5 km 136 22:47 1461 1462
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.