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James O'Brien

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
10/10 Trojan XC Invitational JV Boys 12 20:23.70 1658 1626
10/03 Shenandoah CC Invite JV Boys 7 20:21.05 1581 1591
09/28 Cyclone Invite Boys 5000m Junior Varsity 14 20:27.91 1564 1604
09/19 Blair Invite Boys 5000m Junior Varsity 5 21:04.30 1692 1670
09/12 Platte River Rumble-HS Boys 5000m Large School Varsity 178 20:50.71 1615 1625
09/07 55th Annual Abraham Lincoln HS CC Invite Boys 5k 13 20:12.5 1846 1748
09/03 2024 Plattsmouth Invite Boys 5000m Junior Varsity 42 22:51.06 1469 1473
Date Event Race Place Time Perf Score Rating
10/18 Iowa State Qualifier - 4A - Ames Mens 5,000 Meters Varsity 56 19:45.59 1545 1588
10/12 MRAC XC Meet 2023 Varsity Boys 5000 Meter Run Finals 0 20:12.42 1593 1623
10/05 Atlantic Invitational 2023 Varsity Boys 5000 Meter Run Finals 70 20:10.13 1635 1648
09/28 Shenandoah September 2023 Varsity Boys 5000 Meter Run Finals 57 20:17.35 1650 1657
09/26 Denison-Schleswig XC Meet 2023 Varsity Boys 5000 Meter Run Finals 46 20:21.26 1646 1661
09/23 Cyclone XC Invite Mens 5,000 Meters Varsity 56 19:19.06 1699 1671
09/19 Creighton Prep Invitational 2023 Division B Boys 5000 Meter Run Finals 40 20:42.90 1649 1650
09/09 Lewis Central Cross Country Invitational BOYS VARSITY RACE 20 20:05.79 1668 1652
09/02 Abraham Lincoln Lynx CC Invitational Mens 5,000 Meters Varsity 19 21:59.20 1633 1631
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.