Thummer's Memorial Day 5K logo

Thummer's Memorial Day 5K

Thummer's Memorial Day 5K is a running race on May 31, 2027 in Pomona, CA, with an entry fee of $25.

Date
May 31, 2027 (230 days to go)
Price
$25
Sport
Running

From the Organizer

Join us in celebrating National Military Appreciation Month with the "Thummer's Memorial Day 5k" at the LA County Fair.   We will hold a pre-race memorial for USA service members who have lost their lives and run in their memory.The race consists of 2 laps through the fair before it opens for the day making this run perfect for offering picturesque moments!  Runners will receive a unique race shirt and a race medal.  The spectators' section will have music, food, and drinks available.  After the race, enjoy access to the LA County Fair! 

LA County Fair Grounds Map link below:

blogs.fairplex.com

Events

5K Run/Walk$25

Typical Conditions

It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.

Typical High

81°

Typical Low

55°

Chance of Rain

2%

Based on US Climate Normals data from Pomona/Fairplex, 1 mi from the venue.

Sunrise 5:41 AMSunset 7:56 PMDaylight 14h 16m

About Pomona, CA

Nearest Airport

ONT

Ontario International Airport · 10 mi

Time Zone

Pacific Time

From Endurance Grid

Line up lodging and travel early to lock in your race weekend.

Race Location

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at Thummer's Memorial Day 5K, put it on the calendar, and turn “someday” into a start date.

230

Days to train

Race
Thummer's Memorial Day 5K
Date
May 31, 2027

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About This Sport

Endurance Grid is here to help you understand the sport, decide if it’s the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.

With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.

Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.

Read the Guide

Running

From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Frequently Asked Questions

What is the Thummer's Memorial Day 5K?
Thummer's Memorial Day 5K is a running race held in Pomona, California on May 31, 2027. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the Thummer's Memorial Day 5K?
Monday, May 31, 2027 in Pomona, California at 2000 N. White Ave.. Check the event page for exact start times and wave schedules.
How do I register for the Thummer's Memorial Day 5K?
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

Thummer's Memorial Day 5K

May 31, 2027

Register