Race Days
11
January through May, 2027.
Challenges
5
Four 2-day challenges and one 3-day challenge.
Distances
50K · Marathon · Half · 10K · 5K
Every distance, every race day.
Locations
DeBary · Winter Park · Orlando · Clermont
Central Florida.

Every
Race Day.

More 2027 race days will be listed here when registration opens.

Consecutive
Race Days.

Every MileBuilt challenge runs on consecutive days at one location. Four challenges run two days back to back. The Memorial Day Bridge Challenge runs three. Every day offers the same five distances, so you can run the 50K or the marathon on each day of a challenge.

Each race day is its own race, with its own official finish record. Run one day as a Standalone, or run every day of a challenge as a Streak.

How Streaks Work →

Registration Is Open

Pick Your
Race Days.

Every challenge registers on RunSignup. Prices are shown at registration — not on this website.