Tryptophan Half Marathon
Always double-check with the organizer's website! This page may contain affiliate links.
Event
The Tryptophan race takes place on Thanksgiving Day, Thursday, November 27, 2025, in Cumming, Georgia (415 Peachtree Parkway). It is the 15th running of the event. The event offers both in-person and virtual participation. Virtual race packets are mailed by USPS. Virtual and in-person participants receive a custom race bib, a finishers medal, and a long-sleeve tee.
Distances offered:
- Half Marathon (13.1 miles)
- 10K
- 5K
- Virtual Tryptophan
- Fun Run 1K
Awards are given overall and for masters, plus age-group awards 3 deep for male and female from 10 and under to 75+ in five-year increments.
Logistics
All races start and finish in front of Rosati's Pizza and Sports Pub at 415 Peachtree Parkway. The 5K course starts and finishes there and is described as mostly flat with ample room to run. The 10K continues south on Peachtree Parkway with a U-turn before Sharon Road. The half marathon continues past the Brookwood Target before returning to the finish.
Packet pickup is available the day before at Starbucks, 435 Peachtree Parkway (across from The Collection), and on race morning in the parking lot in front of Rosati's. Organizers ask participants to park across the street at The Collection of Forsyth to avoid being stuck in the Brannon Crossing lot. Visit the organization's website for the most recent information.