Peninsula League 2026 Fall Interleague - San Mateo, CA

Peninsula League 2026 Fall Interleague - San Mateo, CA is a youth travel softball tournament in San Mateo, CA, on Fri, Sep 11 – Sun, Nov 8, 2026. Age groups: 8U, 10U and 12U. Part of the USA Softball calendar.

Compare with this weekend's other tournamentsTournament page on norcal.registerplay.com

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From the organizer's listing on norcal.registerplay.com · checked Sep 20, 2026. Register and confirm details with the organizer.

How strong is the field?

• 8U: field still forming. 16 teams registered. We rate a field once at least 6 registered teams have results.
• 10U: field still forming. 19 teams registered. We rate a field once at least 6 registered teams have results.
• 12U: field still forming. 10 teams registered. We rate a field once at least 6 registered teams have results.

Ratings come from public game results. How field ratings work. The 1-10 rating for each field and every registered team are in the TourneyMagic search.

Other softball tournaments near San Mateo that weekend

• Field of Screams · San Bruno, CA · 6 mi · 8U, 10U, 12U · 37 teams
• Diamond Classic-South Bay · Hayward, CA · 15 mi · 12U, 14U, 18U · 36 teams
• Black Widow-South Bay · Hayward, CA · 15 mi · 10U, 12U, 18U · 31 teams
• Jack Ball-South Bay · Hayward, CA · 15 mi · 10U, 12U, 14U, 18U · 60 teams
• Halloween Havoc-South Bay · Hayward, CA · 15 mi · 10U, 12U, 14U · 19 teams
• End of Fall Classic · Hayward, CA · 15 mi · 8U, 10U, 12U · 19 teams

Every softball tournament in California that weekend, with field ratings

California softball tournaments · 8U softball tournaments in California · 10U softball tournaments in California · 12U softball tournaments in California · Softball tournaments by region

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Page updated Oct 19, 2026.