Brevin Zirkel

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 2 races ▼

Date	Event	Race	Place	Time	Perf Score	Rating
09/02	Williamsburg Raider Invitational	Varsity Boys 5K	20	18:38	----	----
08/30	Cedar Rapids Prairie Invitational 5k	Varsity Boys 5K	67	19:01.79	----	----

2024 Season 8 races ▼

Date	Event	Race	Place	Time	Perf Score	Rating
10/17	2024 WaMaC Conference Championships	JV Boys 5K	18	19:18.30	----	----
10/12	Bob Mudd Lynx Invitational	JV Boys	10	20:01.69	----	----
10/05	Dan Huston/Steve Johnson Invitational	Boys Varsity Gray 5000M	179	21:42.59	----	----
09/17	Oskaloosa Invite - 2024	HS Boys	33	19:20.40	----	----
09/14	Benton Community Invitational	Boys 5K	21	19:20.80	----	----
09/10	Grinnell Invitational 2024	Boys 5K	31	19:32.09	----	----
09/03	2024 Williamsburg Raider Invitational	Varsity Boys 5K	48	20:11	----	----
08/31	Cedar Rapids Prairie Invitational 2024	JV Boys 5K	18	19:55.90	----	----

2023 Season 8 races ▼

Date	Event	Race	Place	Time	Perf Score	Rating
10/12	WaMaC Conference	Mens 5,000 Meters JV	47	20:33	----	----
10/07	North Linn Invitational XC Meet	Mens 5,000 Meters JV Boys	19	19:35.90	----	----
09/26	Williamsburg September 2023	Mens 5,000 Meters Boys Junior Varsity 5K	78	21:28.80	----	----
09/18	Solon Invitational 2023	Mens 5,000 Meters JV Boys	26	20:39.59	----	----
09/12	Oskaloosa Invite 2023	JV Boys 5000 Meter Run Finals	6	20:12.19	----	----
09/09	Benton Invitational	Mens 5,000 Meters HS Boys	30	20:20.19	----	----
09/05	Grinnell Invitational 2023	Mens 5,000 Meters Varsity Boys	90	23:18.40	----	----
08/29	Williamsburg Invitational 2023	Mens 5,000 Meters Junior Varsity	26	22:16.90	----	----

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.

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