Texas · Half Marathon
3M Half Marathon
3M Half Marathon is a half marathon event held in Austin, Texas. Its next confirmed date is Sunday, January 17, 2027. About 6,000 runners take part across all distances.
- Race day
- January 17, 2027
- Location
- Austin, TX
- Field size
- ~6,000 runners
Race details
- Date
- Sunday, January 17, 2027
- Location
- Austin, Texas
- Distances
- Half Marathon
- Field size
- About 6,000 runners
- Course
- Net downhill, ~300 ft drop, ~250 ft gain
- Registration
- downhilltodowntown.com
- Official website
- downhilltodowntown.com
Registration, course & weather
- Registration status
- Open
- Start time
- 7:30 AM CST
- Course profile
- Point-to-point course; Road surface; USATF certified
- Typical race-day weather
- about 31°F at the start, 61% humidity, 8 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked October 2, 2026)
About the 3M Half Marathon
A famously fast net-downhill half marathon from north Austin to a downtown finish, drawing over 6,000 PR-seeking runners from across the country and abroad.
Rankings and notes
- Rankings and awards
- One of the fastest half-marathon courses in the U.S. ('Downhill to Downtown'); USATF-certified; PR-friendly; hosts a pro field with prize purse. 32nd annual in 2026.
- Notes
- Large Austin half marathon known for a fast downhill course.
More half marathons in Texas
Coming up next, by confirmed date.
More races in Austin
More upcoming races in Texas
Keep exploring
- All races in Texas
- 5Ks in Texas 519 upcoming races
- 10Ks in Texas 294 upcoming races
- Half Marathons in Texas 138 upcoming races
- Marathons in Texas 38 upcoming races
- Running in Austin 24 upcoming races
- Half Marathons in the United States 1,828 upcoming races
- Winter Half Marathons
- January Half Marathons
- January races in Texas
- Half Marathons in Arkansas 28 upcoming races
- Half Marathons in New Mexico 22 upcoming races
- Half Marathons in Oklahoma 23 upcoming races
- Half Marathons in Louisiana 21 upcoming races
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.
3M Half Marathon: common questions
- When is the 3M Half Marathon?
- The next confirmed date is Sunday, January 17, 2027.
- Where is the 3M Half Marathon held?
- In Austin, Texas.
- What distances does the 3M Half Marathon offer?
- Half Marathon.
- How many people run the 3M Half Marathon?
- About 6,000 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 3M Half Marathon?
- Registration is handled by the organiser at downhilltodowntown.com. Entry fees, caps and deadlines are set there.
- Is registration open for the 3M Half Marathon?
- Yes — registration is open.
- What time does the 3M Half Marathon start?
- 7:30 AM CST.
- What is the course like at the 3M Half Marathon?
- Point-to-point course; Road surface; USATF certified.
- What is race-day weather usually like at the 3M Half Marathon?
- about 31°F at the start, 61% humidity, 8 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked October 2, 2026).
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.