Zach Grieves

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	69	22:01.20	----	----
09/25	2025 Tony Proctor Invitational	JV Boys	21	21:51	----	----
09/18	Timm Lamb Cross Country Invitational	Varsity Boys - A	70	22:46.5	----	----
09/11	Fairfield Invitational XC	HS Boys	91	22:58.09	----	----
09/06	Pleasant Valley Spartan Invitational CX	Varsity Boys	118	23:01	----	----

2024 Season 6 races ▼

Date	Event	Race	Place	Time	Perf Score	Rating
10/17	Southeast Conference XC Championships	HS Boys	51	22:24.19	----	----
10/10	Jim Hetrick Invitational (Central DeWitt) 2024	Boys Varsity 5K	110	22:14.69	----	----
10/01	Washington Invitational	HS Boys	61	22:33.33	----	----
09/26	2024 Burltington XC Invitational	Varsity Boys	30	22:24	----	----
09/19	Timm Lamb Cross Country Invitational 2024	VARSITY BOYS A	53	22:55.5	----	----
09/12	Fairfield Invitational XC	HS Boys	101	22:45	----	----

2023 Season 5 races ▼

Date	Event	Race	Place	Time	Perf Score	Rating
10/12	2023 Southeast Conference XC Championships	Varsity Boys	56	22:10.19	----	----
09/21	2023 Burlington XC Invitational	Junior Varsity Male	12	22:49	----	----
09/14	Timm Lamb Cross Country Invitational 2023	Varsity Boys - A	63	22:33.09	----	----
09/07	Fairfield Invitational 2023	Varsity Boys 5000 Meter Run Finals	124	23:47	----	----
09/02	Pleasant Valley Spartan Classic	Mens 5,000 Meters Varsity	105	23:41	----	----

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.

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