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Mon May



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2017 May Challenge

We challenge you to run or walk at least 1 mile each day in May. Both outdoor and indoor miles count for Gold/Silver/Bronze. 100% of proceeds to charity!

No surprise fees - what you see is what you pay.
12:00 AM
Sign up solo, or join a team
12:00 AM
Create a team & recruit others
Please select a race.

Different levels available to challenge everyone!

You can challenge yourself to any level, and can change your mind at anytime because you don't have to indicate the level when signing up. You can start on a higher level, and drop down to a lower level if you can't hit the daily mileage.  But, if you miss a day, you’re out!

-- Bronze = run/walk 1 mile/day

-- Silver = run/walk 3 miles/day

-- Gold = run/walk 5 miles/day

For each level, you must run the minimum mileage every day, not just averaging that mileage. So if you run 5+ miles for 30 days, and 1 mile for 1 day, you will finish at the Bronze Level due to that 1 day of lower mileage. Each level is determined by your actual daily mileage, not your average daily mileage. The app tracks your daily total, so if you run three miles in the morning and another three miles in the evening, you'll have six miles for that day and qualify for the gold level.

100% of proceeds to charity!

The 2017 May Challenge is produced by Boston's RACE Cancer Foundation and will raise thousands of dollars to battle cancer. All proceeds will be distributed based on your charity choice when registering. Our 2017 charity partners are (TBD).

Log your runs in the new & improved Raceday app. 

New for 2017, you can register and log runs for multiple runners via the same login. (see below) You will have two ways to log runs, either via a mobile website (Raceday web version) which can be accessed from any web browser at, or via RaceMenu's Raceday iOS mobile app which you can download from the App Store or by visiting (note: if you have an older version of Raceday on your phone, you'll need to update to v2.0.1 or later)