All 200 meter indoor tracks are second class due to their small size & tendency to promote injuries to ankles, knees & hips due to the frequency & severity of curves.
The University of Michigan’s new 200 meter indoor track accomodates training by allowing expansion to 300 meters for three lanes.
Colby College had a chance–the space & the resources–to do something great, but chose to just follow the pack even though others typically are constrained by space and/or funding limitations.