Headlamps!
Our own "Colo Hawk" has written a piece on how to pick a headlamp, or even skip headlamps all together and use a handheld. Read it "here":/blog/2010/aug/03/headlamps/
Trail Hawks Ridgeline aid station at Heartland100, 2018
finish line
Trail Hawks Ridgeline aid station at Heartland100, 2018