Click on any series below to learn more about each one! You can browse through pictures from previous years, find all the info you’ll need for each race in the series, and register for any race (or all of them)!

ALL of our races include a 50K, full marathon, half marathon, 10K, and 5K.
AppalachianWV, VA, TN, NC, SC, GA, AL, FL (2)Saturday, Oct.6-Sunday, Oct.14, 2018
SouthwestNM, CO, UT, AZ, NV, CASunday, Nov.4-Friday, Nov.9, 2018
AlohaKaua'i, HIThursday, Jan.24-Sunday, Jan.27, 2019
Gulf CoastFL, AL, MS, LA, TXSaturday, Feb.16-Wednesday, Feb.20, 2019
Dust BowlTX, NM, OK, KS, COWednesday, Mar.20-Sunday, Mar.24, 2019
RiverboatLA, AR, MS, TN, KY, MO, ILSunday, Apr.7-Saturday, Apr.13, 2019
AlaskaJuneau, AKThursday, June 6-Sunday, June 9, 2019
IndependenceDE, MD, PA, NJ, NYTuesday, June 18-Saturday, June 22, 2019
New EnglandPA, CT, RI, MA, VT, NH, MESunday, June 23-Saturday, June 29, 2019
HeartlandOH, MI, IN, IL, IA, WI, MNSunday, July 7-Saturday, July 13, 2019
Minnesota Brothers Trail SeriesSt. Cloud, MNSunday, July 14-Wednesday, July 17, 2019
PrairieMN, ND, SD, IA, NE, KS, MOSunday, July 21-Saturday, July 27, 2019
NorthwestOR, WA, IDSaturday, Aug.10-Thursday, Aug.15, 2019
Center of the NationCO, NE, WY, SD, ND, MTMonday, Aug.19-Saturday, Aug.24, 2019
Click to view and print our full calendar.

Click to view our NEW edition of The Loony Bin newsletter!

Check out the amazing aerial video shot by a drone flown over our course in Clayton, NM, during the 2015 Dust Bowl Series!
Click HERE to video the full-sized video on our YouTube channel.

RUSA calendar link

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Mainly Marathons | 1239 2nd Street N, #308 | Sauk Rapids, MN 56379