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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 1652 1625
10/03 Shenandoah CC Invite JV Boys 7 20:21.05 1577 1582
09/28 Cyclone Invite Boys 5000m Junior Varsity 14 20:27.91 1559 1590
09/19 Blair Invite Boys 5000m Junior Varsity 5 21:04.30 1686 1669
09/12 Platte River Rumble-HS Boys 5000m Large School Varsity 178 20:50.71 1610 1622
09/07 55th Annual Abraham Lincoln HS CC Invite Boys 5k 13 20:12.5 1842 1776
09/03 2024 Plattsmouth Invite Boys 5000m Junior Varsity 42 22:51.06 1466 1468
Date Event Race Place Time Perf Score Rating
10/18 Iowa State Qualifier - 4A - Ames Mens 5,000 Meters Varsity 56 19:45.59 1543 1574
10/12 MRAC XC Meet 2023 Varsity Boys 5000 Meter Run Finals 0 20:12.42 1587 1613
10/05 Atlantic Invitational 2023 Varsity Boys 5000 Meter Run Finals 70 20:10.13 1632 1643
09/28 Shenandoah September 2023 Varsity Boys 5000 Meter Run Finals 57 20:17.35 1649 1654
09/26 Denison-Schleswig XC Meet 2023 Varsity Boys 5000 Meter Run Finals 46 20:21.26 1644 1658
09/23 Cyclone XC Invite Mens 5,000 Meters Varsity 56 19:19.06 1699 1672
09/19 Creighton Prep Invitational 2023 Division B Boys 5000 Meter Run Finals 40 20:42.90 1644 1647
09/09 Lewis Central Cross Country Invitational BOYS VARSITY RACE 20 20:05.79 1663 1650
09/02 Abraham Lincoln Lynx CC Invitational Mens 5,000 Meters Varsity 19 21:59.20 1631 1629
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.