Ready, set, run

Some 28,000 runners are set to lace up for Sunday's Twin Cities Marathon and 10-mile races.

Flashback: Last year, unusually high heat and humidity led organizers to cancel both events at the last minute.

The good news: Sunday's forecast looks great for running, with sunshine and temps in the 60s.

Zoom in: Check out the course maps to see where to cheer — or which roads to avoid.

1 PSA to go: Those inspired to run a major race of their own might want to get moving.

• Duluth's Garry Bjorklund Half Marathon sold out in just 18 hours this week, but there are still spots in the full Grandma's Marathon.

Go deeper: Lessons learned from last year's cancellation via The Star Tribune.