Front Range Ultra Dayze

SEP
3-7
2026
A multi day ultra on a 2 mile loop in Loveland offering time based and distance races with round the clock aid and on site camping.
3-7 Sep 2026
350 miles 300 miles 250 miles 200 miles 150 miles 100 miles 100 kilometers 50 miles 50 kilometers

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Front Range Ultra Dayze

Front Range Ultra Dayze in Loveland, Colorado is a multi-day ultra running event held on a roughly 2-mile loop course. The loop runs through River’s Edge Natural Area and returns to Centennial Park near the shelter. The surface is approximately 80% dirt trail and 20% pavement, and the course is described as flat.

Offered races include:

  • 100-hour timed race
  • 72-hour timed race
  • 48-hour timed race
  • 24-hour timed race
  • 12-hour timed race
  • 50k distance race
  • 200-mile distance race
  • 100-mile distance race

Timed races allow late starts but official timing is based on the scheduled start; time-based runners may stop at any point and still receive finisher recognition for their highest achieved mileage. Distance races share a common fixed finish deadline on the final Monday afternoon; failing to complete the chosen distance by that deadline results in a DNF. Drops in distance during a race are not permitted.

Race logistics and rules include chip timing required at all times, no pacers, no on-course crew assistance, no dogs on course, and penalties for cutting the course or littering. One aid station beside the start/finish is open continuously, with two hot meals served daily at breakfast and dinner. Camping is allowed in a designated park area with limits on stake length and minimum weight requirements for pop-up shelters.

Swag includes a 5-liter waterproof dry bag and a beanie for registrants. Buckles and place awards are provided for various distances. A 100x100 club offers free entry to qualifying runners and discounts are available for multiple event entries. Visit the organization's website for the most recent information.

350 mi
350-Mile
300 mi
300-Mile
250 mi
250-Mile
200 mi
200-Mile
150 mi
150-Mile
100 mi
100-Mile
100 km
100k
50 mi
50-Mile
50 km
50k
72-Hour
48-Hour
24-Hour
12-Hour
100-Hour
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