Sun Marathon
Race Day Weather
Cold start, warming trend ahead
Runners will face temperatures starting at 30°F and rising to 50°F, with a light breeze from the southeast. Humidity is moderate at 50%, making for a crisp race day. With a gentle rolling course, runners should expect challenging headwinds from miles 10 to 23, necessitating a conservative effort early on. A light layer may be useful before the race as temperatures feel like 28°F.
This course drops 1,654 ft from start to finish, so we look at it at 3 points, not just the start line. In a typical year, at 9:00/mi, you start at 30° and finish around 10:55 AM in 47°; typical start-line conditions say 41° then.
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Race Info
The Sun Marathon starts at the Veyo Fairgrounds and finishes in Santa Clara, Utah, with a net elevation drop of roughly 2,500 feet over 26.2 miles despite some rolling climbs along the way. The course passes Gunlock Reservoir and crosses Shivwits Paiute tribal land before reaching the red rock terrain near the finish. The race is a Boston Marathon qualifier and also offers half marathon, 10K, and 5K distances with staggered start times on the same morning. The 2026 edition drew 174 marathon finishers, with about 8.6% running a Boston qualifying time. Source
