The 2022 event has concluded.
























Clear conditions throughout the day.
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FAQ
When is the 2022 Monster Mash Marathon?
The 2022 Monster Mash Marathon will be held on Monday October 10, 2022.
Is the Monster Mash Marathon a Boston Marathon Qualfier?
Yes, the Monster Mash Marathon is an official Boston Marathon qualifier.
What is the time limit for the Monster Mash Marathon?
The time limit for the Monster Mash Marathon is 7 hours.