Where can I find the Six Tunnels to Hoover Dam St. Patrick's Day Half Marathon (Boulder City) route map?
Use the official course links on this page for the organiser route page, map PDF or route download.
Official course linksSix Tunnels to Hoover Dam St. Patrick's Day Half Marathon (Boulder City) Half Marathon
This race edition
- Race date
- Date not confirmed for this distance
- Race timezone
- Timezone not confirmed
- Edition status
- Status not confirmed
Entry options
2026 edition
Entry options are not yet confirmed for this edition. Check the organiser before making plans.
Decision summary
Six Tunnels to Hoover Dam St. Patrick's Day Half Marathon (Boulder City) Half Marathon at a glance
- Cut-off average pace
- 8:32/km
- Typical conditions
- 83/100
- Evidence depth
- 35 verified facts
3:00:00 total limit divided by distance. Check gun/chip timing and intermediate limits; allow time for stops.
Historical race-date favourability, not a forecast
Source facts available
Route details
Known course facts at a glance
Six Tunnels to Hoover Dam St. Patrick's Day Half Marathon (Boulder City) Half Marathon has known course details for its half marathon race. The summary below keeps the focus on what is confirmed for the course.
- Official distance
- 21.1 km
- Terrain
- Road, Mixed, Gravel, Trail
- Scenery
- Lakeside, Desert, Historic, Countryside, City, Mountain
Quick answers
What runners ask first
How hilly is the Six Tunnels to Hoover Dam St. Patrick's Day Half Marathon (Boulder City)?
The Six Tunnels to Hoover Dam St. Patrick's Day Half Marathon (Boulder City) is described as gently rolling.
Where does the Six Tunnels to Hoover Dam St. Patrick's Day Half Marathon (Boulder City) route go?
The Six Tunnels to Hoover Dam St. Patrick's Day Half Marathon (Boulder City) route starts at Historic Railroad Trailhead, Lake Mead National Recreation Area, Boulder City, Nevada and finishes at Historic Railroad Trailhead, Lake Mead National Recreation Area. Underfoot, expect mixed: paved River Mountains Loop Trail sections plus hardpacked gravel and packed-dirt trail through the tunnels. It passes Historic Railroad Trail tunnels, Hoover Dam, Lake Mead and Lake Mead National Recreation Area. four distances offered (half marathon, 12K, 5K and a 1-mile stroll) on a rail-to-trail course through the original Hoover Dam construction tunnels.
What should runners know on race day for the Six Tunnels to Hoover Dam St. Patrick's Day Half Marathon (Boulder City)?
Packet pickup Friday at Trek Bikes (Henderson, NV) 3:30-6:00pm and race morning at the Historic Railroad Trailhead 6:00-8:45am.
Race character
Scenery
- Lakeside
- Desert
- Historic
- Countryside
- City
- Mountain
Atmosphere
- Scenic Tour
- Destination
- Festival
Terrain
- Road
- Mixed
- Gravel
- Trail
- Elevation character
- Gently Rolling
- Technicality
- Moderate
Entry, logistics and records
Entry requirements
- Entry status
- Past event: The listed edition date has passed.
- Cut-off
- Course closes at 10:30am (half marathon starts 7:30am, approx 3-hour limit)
- Qualification status
- Not a Boston Marathon qualifier; USATF sanctioned but no qualifying standard for entry
Race day logistics
- Bag drop
- Packet pickup Friday at Trek Bikes (Henderson, NV) 3:30-6:00pm and race morning at the Historic Railroad Trailhead 6:00-8:45am
- Medal
- Finisher medal awarded
- Finisher tee
- Race shirt provided to participants
Access and course status
- Start
- Historic Railroad Trailhead, Lake Mead National Recreation Area, Boulder City, Nevada
- Finish
- Historic Railroad Trailhead, Lake Mead National Recreation Area
- Certified course
- USATF sanctioned run course
Course facts
- Course type
- Out And Back
- Surface
- Mixed: paved River Mountains Loop Trail sections plus hardpacked gravel and packed Dirt trail through the tunnels
- Landmarks
- Historic Railroad Trail tunnels, Hoover Dam, Lake Mead, Lake Mead National Recreation Area
- Notable features
- Run on a St. Patrick's Day theme
- four distances offered (half marathon, 12K, 5K and a 1-mile stroll) on a rail-to-trail course through the original Hoover Dam construction tunnels
- Runners pass through the historic rock-cut railroad tunnels (each roughly 25 feet wide) used to haul supplies during the construction of Hoover Dam, with elevated views over Lake Mead
What are typical race-day conditions?
- 15°CTypical temperature
- 18 kphTypical wind
- 1 mmTypical rainfall
- 83Favourability /100