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James Bonnema

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
10/18 Unity Christian Invite Boys 5000m Junior Varsity 16 20:20.13 1543 1536
10/15 Siouxland XC Conference Meet Boys 5000m JV 30 19:35 1500 1527
10/08 Cherokee XC Meet Boys 5000m Junior Varsity 16 20:11.03 1570 1563
10/01 Hull Western XC Invite Boys 5000m JV 14 19:45.14 1542 1552
09/26 Sioux Center XC Invite Boys 5000m JV 21 20:19.30 1608 1570
09/17 Storm Lake XC Meet Boys 5000m Junior Varsity 18 21:20.89 1515 1518
09/14 Tim Thomas Classic Boys 5000m High School Class A 97 20:50.96 1528 1521
09/10 Lemars XC Invite Boys 5000m JV 39 22:34.84 1544 1510
09/05 Spirit Lake/Okoboji XC Meet Boys 5000m JV 46 21:38.22 1444 1446
Date Event Race Place Time Perf Score Rating
10/10 Siouxland Conference @ West Lyon 2023 JV Boys 5000 Meter Run Finals 23 20:20.06 1557 1551
10/03 Cherokee XC Meet 2023 Varsity Boys 5000 Meter Run Finals 62 20:41.35 1522 1541
09/26 Western Christian XC Invitational 2023 JV Boys 5000 Meter Run Finals 10 20:28.00 1583 1570
09/09 Tim Thomas XC Classic 2023 1A Boys 5000 Meter Run Finals 25 21:07.91 1550 1538
08/29 Spirit Lake Invitational 2023 JV Boys 5000 Meter Run Finals 16 21:39.96 1515 1515
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.