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Tryptophan Half/10K/5K

Tryptophan Half/10K/5K is a running race on November 26, 2026 in Cumming, GA, with entry fees from $20 to $45.

Date
November 26, 2026 (126 days to go)
Price
$20–$45
Sport
Running
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From the Organizer

Join us on Thanksgiving Day.  Come out and burn some pre-turkey calories while working up an appetite for your Thanksgiving Day feast by running or walking the 16th annual Tryptophan Half Marathon, 10K, or 5K.

WOW, 16 years is an amazing tradition!  We are THANKFUL to all of YOU for coming out year after year.  It is great to see family and friends come together from all over to create special memories on race day!  So be THAT FAMILY on turkey day and run a 5K, 10K or Half Marathon run/walk.

Runners/Walkers will have the option to participate IN-PERSON or VIRTUALLY.  Race packets for virtual participants will be mailed out by USPS.  In-Person race packet pickup will be offered on Wednesday, November 26, 2025 at Starbucks 435 Peachtree Parkway 4-7pm and race day morning in Front of Rosati's starting at 6:30 am.

 

EVENT DETAILS:

RACE DAY:

Thanksgiving Day, Thursday, November 26, 2026

LOCATION:

In front of Rosati's Pizza and Sports Pub

RACE START TIMES:

13.1 - 7:30am

10K - 7:45am

5K - 8:00am

Virtual - whenever, wherever

Fun Run 1K - 9:00am

COST:

Half - $45 until 9/1 @ 11:59pm 

         $55.00 until 10/10 @11:59pm

         $60.00 until 10/27 @ 11:59pm

         $65.00 until 11/17 @ 11:59pm

         $70.00 until 11/25 and Race Day

10K - $30.00 until 9/1 @ 11:59pm

         $35.00 until 10/10 @ 11:59pm

         $50.00 until 10/27 @ 11:59pm

         $55.00 until 11/25 and Race Day

5K -   $25.00 until 9/1 @ 11:59pm

         $30.00 until 10/10 @ 11:59pm

         $35.00 until 10/27 @ 11:59pm

         $40.00 until 11/17 @ 11:59pm

         $45.00 until 11/25 and Race Day

Virtual - $40.00

Fun Run - $20.00

COURSE:

5K Course:  Starts and finishes in front of Rosati's Pizza and Sports Pub, 415 Peachtree Parkway, Cumming, Ga.  Mostly flat course with lots of room to run.  

10K Course:  Continues from the 5K going south on Peachtree Parkway and U-Turning before Sharon Rd. returning back to the finish.

Half:  Continues from the 10K U-Turn down past the Brookwood Target and returning to the finish line.

PACKET PICK UP/RACE DAY REGISTRATION:

Packet Pick-up - Wednesday, November 25, 2026 - 4:00pm to 7:00pm Starbucks at 435 Peachtree Pkwy, Cumming, GA 30041 (across from The Collection) 

Race Day Packet Pick-up/Registration - Parking lot in front of Rosati's starting at 6:30am.

PARKING: 

The Tryptophan 2026 race course utilizes a portion of the Brannon Crossing parking lot.  For runner safety we ask that you park across the street at The Collection of Forsyth.  If you park in Brannon Crossing you may get stuck until the race is over.  Races start on time so be sure to allow plenty of time to park, pick up your packets, and get to the start!!

Virtual and In-Person participants will receive a custom race bib, finishers medal and long-sleeve tee.

AWARDS:

Overall Male/Female

Masters Male/Female

Age Groups 3 Deep Male/Female: 10 and Under to 75+ in five year increments

         

 

Events

Half Marathon$45
10K$30
5K$25
Fun Run 1K$20

Weather

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

59°

Typical Low

36°

Chance of Rain

30%

Based on US Climate Normals data from Cumming 2n, 1 mi from the venue.

Sunrise 7:19 AMSunset 5:27 PMDaylight 10h 8m

Host City

About Cumming, GA

City Elevation

1,523 ft

Nearest Airport

PDK

DeKalb Peachtree Airport · 27 mi

Major Hub

ATL

Hartsfield Jackson Atlanta International Airport · 45 mi

Time Zone

Eastern Time

From Endurance Grid

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

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at Tryptophan Half/10K/5K, put it on the calendar, and turn “someday” into a start date.

126

Days to train

Race
Tryptophan Half/10K/5K
Date
November 26, 2026

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From Endurance Grid

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.

Plan your trip

Make it a Racecation

Coming from out of town? There's more to Cumming than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.

Plan your trip to Cumming
Lodging
Flights
Rental Car
Activities

Frequently Asked Questions (FAQs)

What is the Tryptophan Half/10K/5K?+
Tryptophan Half/10K/5K is a running race held in Cumming, Georgia on November 26, 2026. 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 Tryptophan Half/10K/5K?+
Thursday, November 26, 2026 in Cumming, Georgia at 415 Peachtree Parkway STE 200. Check the event page for exact start times and wave schedules.
How do I register for the Tryptophan Half/10K/5K?+
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

Tryptophan Half/10K/5K

Nov 26, 2026

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