50K Mashup Slam
About the race
The 50K MASHUP is a series of 50K trail races run throughout the Midwest.
Runners who successfully complete each of the five series races in the same calendar year earn a buckle at the end.
Awards will be given to the top three 50K MASHUP finishers based on their fastest cumulative finish times.
Awards and finisher buckles
All finisher buckles and awards will be presented at the final event in the series, the G.O.A.T.z 50K or Miner 49er 50K Trail Race.
Cancellation policy
Athletes can cancel their registration, but no refund is given.
The registration fee for the 50K MASHUP is non-refundable.
The course
Races in the series
- Frozen Gnome 50K - January
- Clinton Lake 50K - March
- Ozark Foothills 50K - April
- Ice Age 50K - May
- Dark 2 Dawn - 9 Hours - June
- Rockin Rockwoods 53K - September
- G.O.A.T.z 50K - October
- Miner 49'er 50K - November
Location
City insight: Crystal Lake
Crystal Lake is a city in McHenry County, Illinois, about 45 miles northwest of Chicago, and it is the most populous city in the county. Its population was 40,269 at the 2020 census. Winters are cold and snowy while summers are warm and humid, so late spring and early autumn are the best seasons to race.
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