Several Upper Arlington streets will close Sunday, Oct. 18, as the Nationwide Children's Hospital Columbus Marathon sends thousands of runners through the neighborhood.

The marathon course cuts through UA between miles 18.5 and 20, according to a city of Upper Arlington alert. Runners will enter from the bike path off Woody Hayes Drive onto North Star Road, head west on Guilford Road, south on Coventry Road to King Avenue, then east back into Columbus.

The fastest runners are expected to reach UA around 9 a.m. Plan alternate routes.

The city listed these complete street closures for race morning:

  • North Star Road between Essex Road and Grenoble Road
  • Guilford Road from North Star Road to North Mallway Drive
  • North Mallway Drive between Guilford Road and Arlington Avenue
  • South Mallway Drive between Arlington Avenue and Waltham Road
  • Waltham Road between South Mallway Drive and Coventry Road
  • Coventry Road between Guilford Road and King Avenue
  • King Avenue between Cambridge Boulevard and Andover Road

No parking will be enforced on Guilford Road, Coventry Road, North and South Mallway drives, Arlington Avenue, King Avenue and Cambridge Boulevard along the route.

The sold-out marathon and half marathon have drawn more than 15,000 registered runners and walkers, ABC 6 reported. Organizers expect roughly 100,000 spectators along the 26.2-mile course. The race starts at 7:30 a.m. at North Bank Park in downtown Columbus, with the wheelchair division beginning at 7:25 a.m.

The Central Ohio Transit Authority (COTA) will reroute about 18 bus lines Sunday morning and into the early afternoon, the Columbus Dispatch reported. More than 800 transit stops will close starting at 5 a.m. in areas including downtown Columbus, Grandview Heights and Upper Arlington.

Lines affected include 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 22, 30, 31, 102, CMAX and the Zoo Bus.

Saturday brings disruptions too. COTA lines 3, 4, 6, 7, 8, 9, 10, 11, 12, 30 and the Zoo Bus will detour downtown for the Jesse Owens 5K from 9 a.m. to about noon on Saturday, Oct. 17.

Downtown transfer points during the marathon will be at Spring and Long streets near Fourth Street. Street supervisors will be on hand to help riders. All reroutes are expected to end by mid-afternoon Sunday, Oct. 18.

Riders can check cota.com or call COTA customer service at 614-228-1776 from 8 a.m. to 6 p.m. Saturday, Oct. 17, and Sunday, Oct. 18. Reroutes may change without notice based on traffic conditions.

Now in its 46th year, the marathon benefits Nationwide Children's Hospital. The Columbus Marathon Health and Fitness Expo runs from Friday, Oct. 16, noon–7 p.m. through Saturday, Oct. 17, from 9 a.m. to 6 p.m. in Hall D of the Greater Columbus Convention Center.