2026 Modesto Marathon
Sunday, March 22, 2026

This flat and fast marathon, half marathon, 10K, and 5K is a short drive from San Francisco and Sacramento. Great for beginners and Boston qualifiers.
Learn More
2025-2026 Adult Training Program
Let us take you on a journey. Not only the journey to the finish line of the Modesto Marathon on March 22, 2026, but the journey of a healthy lifestyle.
Learn More
Making a Difference through Teens Run Modesto
Learn More
Join Us for a Group Run/Walk
Upcoming Events

Support Teens Run Modesto

Become A Member

Don’t let the word “running” in our name scare you. We invite runners and joggers of all levels, as well as walkers, to join and participate in club events.

Come Join Us for an Upcoming Race!

SHADOWCHASE RACES

You don’t have to be a club member to participate in these races!

View Recent Race Results...

Modesto Marathon

A Boston-qualifying marathon, half marathon and 5K & 10K starting in Downtown Modesto.
March 22nd, 2026

Memorial Classic

Memorial Day Weekend 1 mile, 5K and Kid’s Fun Run at the East La Loma Park.
May 23rd, 2026

Run for the Cheese

Enjoy a walker friendly 5K, a challenging 10K or the free kid’s fun run.
October 2026

Spirit of Giving

Fun for the family, a runner and walker friendly 5K, and a free kid’s fun run.
December 2026

2025-2026 Adult Training Program

Let us take you on a journey. Not only the journey to the finish line of the Modesto Marathon on March 22, 2026, but the journey of a healthy lifestyle.

Recent News

2023 ShadowChase Award Winners

Annual Awards Banquet 2025

Come witness the 2024 Annual Award winners being surprised and participate in honoring their accomplishments. You could be an award recipient too! Get dressed up

Read More »

Join the ShadowChase Shorts

Never miss a Modesto area running event. Receive email updates with local running events, tips and related topics.

* indicates required