Georgia · Half Marathon · 5K · 10K
Tryptophan Half/10K/5K
Tryptophan Half/10K/5K is a half marathon, 5K and 10K event held in Cumming, Georgia. Its next confirmed date is Thursday, November 26, 2026. About 1,542 runners take part across all distances.
- Race day
- November 26, 2026
- Location
- Cumming, GA
- Field size
- ~1,542 runners
Race details
- Date
- Thursday, November 26, 2026
- Location
- Cumming, Georgia
- Distances
- Half Marathon, 5K, 10K
- Field size
- About 1,542 runners
- Registration
- runsignup.com
Registration, course & weather
- Registration status
- Open
- Start time
- 7:30 AM EST
- Course profile — Half Marathon
- Out-and-back course; Road surface
- Course profile — 10K
- Out-and-back course; Road surface
- Course profile — 5K
- Out-and-back course; Road surface
About the Tryptophan Half/10K/5K
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. Runner…
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Tryptophan Half/10K/5K: common questions
- When is the Tryptophan Half/10K/5K?
- The next confirmed date is Thursday, November 26, 2026.
- Where is the Tryptophan Half/10K/5K held?
- In Cumming, Georgia.
- What distances does the Tryptophan Half/10K/5K offer?
- Half Marathon, 5K and 10K.
- How many people run the Tryptophan Half/10K/5K?
- About 1,542 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Tryptophan Half/10K/5K?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Tryptophan Half/10K/5K?
- Yes — registration is open. Listed fee for the longest distance, $55 (from runsignup.com, checked October 5, 2026).
- What time does the Tryptophan Half/10K/5K start?
- 7:30 AM EST.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.