Fall ultramarathons in Connecticut, United States

56-mile north-to-south route on the Farmington Canal Heritage Trail, with flat terrain and rural, suburban, and urban sections.

Three-loop 50K course featuring rugged singletrack, multiple climbs over Cobble Mountain, more than 7,000 feet of elevation gain, and scenic park views.

Woodland course through Roosevelt Forest, tree-lined trails and natural scenery in historic Stratford, CT

31 miles of Connecticut roads with stops at five donut shops, a course featuring hot pavement, challenging back roads, and a 7-hour cutoff

Rugged 50k through southern Connecticut woodland preserves, with rolling forest roads, singletrack, rocky footing, and relentless undulation

Rolling single track and meandering farm trails through Gurski Farm and Williams Park, featuring scenic views and varied country terrain

Demanding, hilly 50K on paved and dirt roads through rural Roxbury, with a longer out-and-back and repeated Hemlock Loop circuits.

400-minute trail loop challenge with rolling hills, rocky and root-laden sections, grassy stretches, and roughly 275 feet of elevation gain per loop