Entry is per day, and runners may enter any number of the six days. Active military and members of clubs that list the series get $10 off; locals can ask about a discount. Late entry is taken at packet pickup and on race morning. Fees are not refundable or transferable.
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| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| 10K | 10K | Oct 1, 20267:00 AM | $75 | – |
| 50K | 50K | Oct 1, 20267:00 AM | $175 | – |
| 5K | 5K | Oct 1, 20267:00 AM | $65 | – |
| Half Marathon | Half Marathon | Oct 1, 20267:00 AM | $145 | – |
| Marathon | Marathon | Oct 1, 20267:00 AM | $165 | – |
Fees and dates are from the race's official website on the date shown below; confirm them there before you register.
Sunrise on race morning is at about 6:51 AM, and the 10K starts at 7:00 AM.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Rocky Point Recreation Area, 18513 Fisherman's Road, about 9 miles outside Belle Fourche, Belle Fourche, SD
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
What runners should know about Mainly Marathons Center of the Nation Series: Belle Fourche, South Dakota, in brief, from the official race website.
Schedule and packet pickup
Packets can be collected at that day's venue from 5:30 to 6:50 a.m., when race day entry is also taken. Everyone starts at 7:00 a.m. Mountain time; runners in the half or longer who expect to need 6 hours or more may take the 6:00 a.m. early start.
Course
A looped course of smooth asphalt road with little shade. The marathon takes about 14 laps, with roughly 16 feet of climb per lap by the organizer's estimate. One large aid station on the loop serves everything from fruit and sandwiches to sports drink and coffee.
Shirt and medal
Every entrant, at any distance, gets a shirt and a medal set: a starter medal, a year tab and a medal shaped like the state. Those who finish every day of the series earn an extra series medal, and first time half or full marathoners get a special award.
Rules and FAQ
There is no time limit for the marathon or shorter races, but everyone must finish at least 30 minutes before the park closes. Walkers are welcome and strollers are allowed; pets are not.
Facts on this page come from the race's official website (mainlymarathons.com/series-3/center-of-the-nation, mainlymarathons.com/calendar), checked Sep 28, 2026. Confirm dates and fees there before you travel.
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Day 4 of Mainly Marathons' six day, six state Center of the Nation series, run near Belle Fourche, South Dakota. It is a small multi loop event offering a 50K, marathon, half marathon, 10K and 5K, and runners can enter this day alone.