# Mammoth TUFF

- **When:** Fri, Sep 18, 2026 · 7:00 PM CDT
- **Where:** 50 Canyon Blvd, Mammoth Lakes, CA, 93546
- **Event page:** https://runthis.run/event/rs-191189-mammoth-tuff

## Registration

Register on the event's own site: https://runsignup.com/Race/CA/MammothLakes/MammothTUFF?aflt_token=58wBqomPr6bPwa1YDhuKo0IQvrNCjzTq

## Description

Mammoth TUFF UCI Gravel World Series

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Source: [https://runthis.run/event/rs-191189-mammoth-tuff](https://runthis.run/event/rs-191189-mammoth-tuff) — data from Run This (runthis.run).