Oberlin Monster Mash Dash 5k Fun Run (2026) is a running race on October 31, 2026 in Oberlin, OH.
Join us by the flags in Tappan Square in Oberlin on Saturday October 31 (HALLOWEEN!) at 1pm for the 6th Annual Oberlin Monster Mash Dash 5k Fun Run!
The Oberlin Monster Mash Dash is an un-timed and unsupported 3.1-mile fun run weaving throughout Oberlin beginning and ending in Tappan Square at the corner of Main and College. Wear your most creative, fabulous, or awkward Halloween costume! The best costumes win special prizes.
*Best Costume Prizes (you must be a race participant to be eligible for a prize)
1st Place Overall
2nd Place Overall
3rd Place Overall
1st Place Kids (Under 13)
2nd Place Kids (Under 13)
3rd Place Kids (Under 13)
Best Family Costume
And, join us at Black River (15 S. Main St.) after the run for a Halloween afterparty!
Don't really like running? That is ok. You can walk, skate, bike, or just hang out at the finish line and cheer us on.
Reminder! Do not wear a racist Halloween costume. You will be immediately disqualified.
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
57°
Typical Low
38°
Chance of Rain
41%
Based on US Climate Normals data from Oberlin, 1 mi from the venue.
Population
8,054
as of 2023
City Elevation
808 ft
Nearest Airport
CLE
Cleveland Hopkins International Airport · 21 mi
Time Zone
Eastern Time
From Endurance Grid
A small town race. Lodging near the start could be limited, so book early.
Every finish line starts with a single decision. Claim your spot at Oberlin Monster Mash Dash 5k Fun Run (2026), put it on the calendar, and turn “someday” into a start date.
42
Days to train
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Oberlin Monster Mash Dash 5k Fun Run (2026)
Oct 31, 2026