Idaho · Half Marathon
Race to Robie Creek
Race to Robie Creek is a half marathon event held in Boise, Idaho. Its next confirmed date is Saturday, April 17, 2027. About 2,400 runners take part across all distances.
- Race day
- April 17, 2027
- Location
- Boise, ID
- Field size
- ~2,400 runners
Race details
- Date
- Saturday, April 17, 2027
- Location
- Boise, Idaho
- Distances
- Half Marathon
- Field size
- About 2,400 runners
- Course
- ~2,072 ft gain, ~1,732 ft descent
- Registration
- runsignup.com
Registration, course & weather
- Registration status
- Registration status as last checked October 2, 2026: opens soon
- Start time
- 12:00 PM MDT
- Course profile
- Point-to-point course; Mostly road, some trail; 2077 ft gain, 1696 ft loss (official course data)
- Typical race-day weather
- about 55°F at the start, 31% humidity, 11 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 Race to Robie Creek
A legendary point-to-point half marathon from Fort Boise over Aldape Summit to Robie Creek, famous for its brutal climb, costumes and rapid sellouts.
Rankings and notes
- Rankings and awards
- Billed as the 'toughest half marathon in the Northwest'; sells out in minutes; held the third Saturday of April
More half marathons in Idaho
Coming up next, by confirmed date.
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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.
Race to Robie Creek: common questions
- When is the Race to Robie Creek?
- The next confirmed date is Saturday, April 17, 2027.
- Where is the Race to Robie Creek held?
- In Boise, Idaho.
- What distances does the Race to Robie Creek offer?
- Half Marathon.
- How many people run the Race to Robie Creek?
- About 2,400 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 Race to Robie Creek?
- Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Race to Robie Creek?
- Registration status as last checked October 2, 2026: opens soon. $75 (from runsignup.com, checked October 2, 2026).
- What time does the Race to Robie Creek start?
- 12:00 PM MDT.
- What is the course like at the Race to Robie Creek?
- Point-to-point course; Mostly road, some trail; 2077 ft gain, 1696 ft loss (official course data).
- What is race-day weather usually like at the Race to Robie Creek?
- about 55°F at the start, 31% humidity, 11 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.