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Mary Visser

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 9 races ▼

Date Event Race Place Time Perf Score Rating
10/22 Iowa 3A SQM @ Pella Girls 5000m 35 22:12.28 ---- ----
10/14 SCC Conference Meet Girls 5k HIGH SCHOOL 5 21:27.51 ---- ----
09/30 Knoxville Invitational High School Girls 5k 26 23:30 ---- ----
09/23 49th Newton XC Invite 49th Newton-Steve McDermott CC Varsity girls 14 23:29.59 ---- ----
09/16 Oskaloosa Invite 2025 HS Girls 21 23:23.40 ---- ----
09/09 Grinnell Invitational Varsity Girls 5K 29 24:09.59 ---- ----
09/04 Wayne CC Invitational Girls 5k High School 16 23:16.59 ---- ----
08/28 Albia CC Invite Girls 5k High School 23 24:21.10 ---- ----
08/25 Knoxville Early Bird Girls 11 24:46 ---- ----

2024 Season No races yet ▼

2023 Season No races yet ▼

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

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