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Parker Zylstra

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
10/04 Dan Huston/Steve Johnson Invitational Boys JV 5000M 39 19:36.20 ---- ----
09/25 Jim Boughton XC JV Boys 5K 12 18:40.79 ---- ----
09/18 40th Rich Engel Classic CC 40th Rich Engel XC Classic JV boys 40 19:23.59 ---- ----
09/11 52nd Bobcat CC Invitational 52nd Bobcat CC Invite JV boys 105 19:14.20 ---- ----
09/06 Linn-Mar Invitational Boys 5K 72 18:41.5 ---- ----

2024 Season No races yet ▼

2023 Season 7 races ▼

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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