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RACE PROFILE
Thornton, Colorado·Marathon
Next Race · Sep 2026
RMRRs Marathon Training Series (MTS) races are low cost, friendly, supported, accurately measured, well marked, and timed. Each MTS has 10mi & 20mi, or 20k & 30k options. All you need to do is focus on your running! The MTS fits well into training schedules for Colorado Springs, Boulderthon, Long View, Chicago, Monumental (Indy), New York, and other fall full and half marathons. MTS#3 offers 10mi & 20mi options (we can accommodate almost any distance in between). Please note that for everyone's
Historically mild — good conditions with moderate hydration needs.
Historical data (5-year avg)
Generate a personalized pacing and fueling strategy for RMRR Fall Marathon Training Series #3.
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