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Harrison Mammoser

Chicago Trailblazers · Grade: 7

3 resultsCross Country2025–2026
WrappedYour 2026 Cross Country season, WrappedRaces, wins, PRs and rankings as cards for your Instagram StoryShare it →

Personal bests

Best marks in available results
Event / courseMarkMeetDate
3,000 Meters · Deer Grove Forest PreserveIllinois Youth XC Championships · Nov 811:43.85Illinois Youth XC ChampionshipsNovember 8, 2026
3,000 Meters · LaVern Gibson CourseNXR Midwest MS & Community Race · Nov 1511:43.75NXR Midwest MS & Community RaceNovember 15, 2025

Best marks from the meets included here. Cross Country bests are grouped by course and distance.

2026 Cross Country

1 results
DateMeetEventPlMarkGr
Nov 8Illinois Youth XC ChampionshipsNov 8 · 3,000 Meters 11-12 · Place 38 · Chicago Trailblazers3,000 Meters 11-123811:43.85 PB7

2025 Cross Country

2 results
DateMeetEventPlMarkGr
Nov 15NXR Midwest MS & Community RaceNov 15 · 3,000 Meters MS Boys (6-8th Gr) - Saturday · Place 186 · Chicago Trailblazers3,000 Meters MS Boys (6-8th Gr) - Saturday18611:43.75 PB6
Nov 9Illinois Youth XC ChampionshipsNov 9 · 3,000 Meters 11-12 · Place 44 · Chicago Trailblazers3,000 Meters 11-124412:59.936