Zayin Barkley

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 5 races ▼

Date	Event	Race	Place	Time	Perf Score	Rating
09/30	Washington XC Meet	HS Boys	67	21:44.59	----	----
09/09	2025 Dick Pollitt Go-Hawk Classic (Waverly-Shell Rock)	Boys 11th/12th 5K	67	21:25.59	----	----
09/06	Linn-Mar Invitational	Boys 5K	166	21:30.90	----	----
08/30	Cedar Rapids Prairie Invitational 5k	Varsity Boys 5K	118	22:36.5	----	----
08/26	MVL Invitational	Boys 5K	85	22:13.40	----	----

2024 Season 4 races ▼

Date	Event	Race	Place	Time	Perf Score	Rating
09/17	North Scott Lancer XC	JV Boys	62	23:55.19	----	----
09/12	Cedar Rapids Invitational 2024	JV Boys 5K	103	22:40.09	----	----
09/07	2024 Linn-Mar Invitational	Boys 5K	175	22:01.5	----	----
08/31	Cedar Rapids Prairie Invitational 2024	JV Boys 5K	74	24:01.30	----	----

2023 Season 8 races ▼

Date	Event	Race	Place	Time	Perf Score	Rating
10/12	WaMaC Conference	Mens 5,000 Meters JV	126	24:01.09	----	----
10/07	North Linn Invitational XC Meet	Mens 5,000 Meters JV Boys	91	24:37.69	----	----
10/03	West Delaware Hawks XC 2023	Mens 5,000 Meters JV Boys	120	24:28.69	----	----
09/26	Washington Invitational 2023	Varsity Boys 5000 Meter Run Finals	90	24:51.61	----	----
09/21	Eastern Iowa Classic 2023	Mens 5,000 Meters Junior Varsity	163	24:08.98	----	----
09/18	Solon Invitational 2023	Mens 5,000 Meters JV Boys	82	24:17.80	----	----
09/07	Cedar Rapids Invitational 2023	Mens 5,000 Meters Junior Varsity	133	24:38.5	----	----
09/01	Bob Brown Invitational	Mens 5,000 Meters Varsity	195	26:15.23	----	----

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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