From https://www.atlantatrackclub.org website:
The best way to see Atlanta is on foot. Whether you are running or walking the marathon, half marathon or 5K distance, you’ll run by Atlanta’s most iconic sites. With a new name and a new course for the marathon and half marathon in 2019, the Publix Atlanta Marathon, Half Marathon & 5K will show participants from near and far why Atlanta is truly one of the country’s great running destinations.

Atlanta Track Club events are held rain or shine.

From https://goldcoastmarathon.com.au website:
Gold Coast in Queensland, Australia.

The world class international marathon will attract 28,000 participants of all ages and abilities from over 50 countries across eight races including the Gold Coast Marathon, Wheelchair Marathon, ASICS Half Marathon, Wheelchair 15km, Southern Cross University 10km Run, Gold Coast Airport Fun Run, Garmin 4km Junior Dash and Garmin 2km Junior Dash.

The Gold Coast Marathon, an IAAF Gold Label Road Race, is the pinnacle of road running events in Australia and during its 40-year history has distinguished itself as one of the most prestigious marathons in the world.

Its famous flat, fast and scenic course located alongside the city’s renowned surf beaches and stunning broadwater plus ideal winter running conditions featuring low humidity, little wind and mild temperatures result in 60% of participants achieving personal best times each year.

Myrtle Beach Marathon, in South Carolina is run in early March, so it’s a “before Spring” race. From the mbmarathon.com/ website:

“Plan your next racecation at the beach and join us for the 22nd running of the flattest and fastest races in South Carolina, the Myrtle Beach Marathon, Half Marathon, 5k, and Family Fun Run on March 2, 2019!

Is 26.2 More Than You Are After? The Myrtle Beach Marathon features two days of events, including a one-day Health and Wellness Expo, Half Marathon, 5k, and Family Fun Run in addition to the marathon event.

What Conditions Should You Expect? The Myrtle Beach Marathon is the perfect event to kick off your spring race season. Average temperatures in Myrtle Beach on race day are 40 degrees at the start and 62 degrees for the high temperature. The weather delivers spectacular racing conditions as well as comfortable conditions for spectators and families.”

Olympian Carrie Tollefson takes you on a tour of the Grandma’s Marathon course in Duluth, Minnesota! View the entire 26.2 miles of the course as you mentally prepare yourself for race day.

Course video for Chicago Marathon from start to finish in Grant Park.

Course video of New York City Marathon from Staten Island to Brooklyn to Queens to Manhattan and the Bronx with finish in Central Park.