Cedar Rapids Marathon
Race Day Weather
Cool start, mild finish
Runners will face a steady temperature increase from 48°F at the start to 59°F by the finish, with light humidity at 65%. Wind will be a factor, with a headwind in the early miles and tailwind from miles 7-23, peaking at 13 mph. Adjust pace conservatively in the first half, especially during climbs at miles 6 and 15, and stay hydrated as temperatures rise.
Pace Calculator
Enter a finish time to see what race day does to it.
Get forecast alerts for Cedar Rapids Marathon
We'll text or email you when the forecast shifts — so you can adjust gear, pacing, and strategy. Max one per day.
Get your personalized Cedar Rapids Marathon race plan
A mile-by-mile breakdown of where your time goes, weather-adjusted splits, fueling timeline with aid stations, packing checklist, carb tracker, spectator guide, all built around your goal and race-day conditions.
Race Info
The Cedar Rapids Marathon is a Boston-qualifying full marathon held in downtown Cedar Rapids, Iowa. The USATF-certified course starts and finishes near Kingston Yard at 1st Avenue and 1st Street SW, running along the Cedar River and through downtown neighborhoods and riverfront paths. Endurance Sports Marketing Corporation, which also produces the IMT Des Moines Marathon, launched the race in 2026 with about 850 full-marathon finishers among roughly 3,000 total weekend participants. The weekend also includes a half marathon, marathon relay, 10K, 5K, and a free kids run.