Brinson Grenis

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.

2025 Season 7 races ▼

Date	Event	Race	Place	Time	Perf Score	Rating
10/07	West Delaware Hawks XC	JV Boys 5K	13	19:19.29	----	----
10/04	Dan Huston/Steve Johnson Invitational	Boys JV 5000M	49	19:52.09	----	----
09/30	2025 Williamsburg Invitational	Boys Junior Varsity 5K	25	19:33.79	----	----
09/22	Solon Invitational	JV Boys 5K	13	19:42.40	----	----
09/11	Cedar Rapids Invitational	JV Boys 5K	29	19:15	----	----
09/04	Kirk Schmaltz CC Invitational	57th Ames Schmaltz CC Invite JV Boys	50	18:55.09	----	----
08/26	MVL Invitational	Boys 5K	36	19:18.29	----	----

Performance Trends Over Time

Premium Analytics Feature

Access detailed performance trend charts showing rating progression, uncertainty ranges, and performance analytics across all seasons.

Visual analytics include box plots for rating uncertainty, trend lines for performance progression, and season markers for comprehensive performance tracking.

Unlock Detailed Performance Analytics

Access comprehensive performance scores and rating data to track runner development and analyze competitive performance across all seasons.