This is from this past year.....(No monorails)
"5K: Host resort transportation will be available on March 31, 2022 from 8:30 PM – 10:00 PM.
Transporation to host resorts will be available from 10pm to 1am for 5K runners.(NOTE: It was an evening race)
For the 5K, parking is available at Disney’s Animal Kingdom. For the 10K and 10-Miler, parking is available at Epcot.
runDisney event transportation will be provided to/from all Walt Disney World Resorts, Shades of Green, and the Swan and Dolphin Resorts.
There will be NO monorail transportation to any of the races."
Also, no Skyliner transportation to the races (it will only run in support of park hours)