Costa Kosiba

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
10/02	South Sioux City XC Invite	Boys 5000m	59	23:15.53	----	----
09/22	Sheldon XC Invite	Boys 5000m Varsity & JV	54	23:12.01	----	----
09/13	Tim Thomas Classic	Boys 5000m Junior Varsity	101	23:42.16	----	----
09/09	Le Mars XC Invite	Boys 5000m JV	112	24:03.20	----	----
09/02	Dakota Valley XC Invite 4K	Boys 4000m	11	16:51.89	----	----

2024 Season 7 races ▼

Date	Event	Race	Place	Time	Perf Score	Rating
10/17	2024 MRAC Cross Country Meet 2024	Boys 5000 Meter Run Finals	88	23:10.90	----	----
10/03	South Sioux City XC Invite	Boys 5000m JV	99	24:11.54	----	----
09/17	Woodbury Central XC Meet	Boys 5000m Varsity & JV	53	24:02.52	----	----
09/14	Tim Thomas Classic	Boys 5000m High School Class A	163	24:00.65	----	----
09/10	Lemars XC Invite	Boys 5000m JV	146	28:55.45	----	----
09/03	2024 Dakota Valley Cross Country JV 4k	Boys 4000m Junior Varsity	13	16:48.63	----	----
08/30	SC Heelan XC Meet JV	Boys 2.1 Mile Run JV	20	16:07.59	----	----

2023 Season 5 races ▼

Date	Event	Race	Place	Time	Perf Score	Rating
10/12	MRAC XC Meet 2023	JV Boys 5000 Meter Run Finals	0	24:02.73	----	----
09/28	South Sioux City Cross Country Invitational 2023	JV Boys 5000 Meter Run Finals	113	26:01.77	----	----
09/09	Tim Thomas XC Classic 2023	1A Boys 5000 Meter Run Finals	83	23:47.07	----	----
09/05	Gary Meyer Memorial	Mens 5,000 Meters Junior Varsity	142	26:28.84	----	----
08/25	Heelan XC Invite 2023	Mens 2.1 Miles Junior Varsity	55	16:34.90	----	----

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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