When does the Brooklyn Mother's Day Half, 10K, 5K • 2026 sell out?

Brooklyn Mother's Day Half, 10K, 5K • 2026 hasn't published a hard registration deadline. Most races of this size raise the entry fee in tiers (early-bird, regular, late) and can sell out without warning — sign up early if you're committed.

Half Marathon

Road

Brooklyn Mother's Day Half, 10K, 5K • 2026

Q: How hard is the Brooklyn Mother's Day Half, 10K, 5K • 2026 Half Marathon?

Brooklyn Mother's Day Half, 10K, 5K • 2026 is a Half Marathon on a road course in Brooklyn, New York. We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.

Q: What should I wear for the Brooklyn Mother's Day Half, 10K, 5K • 2026?

Race-day weather in Brooklyn can swing year over year, so dress for the forecast on the day. As a rule of thumb, dress for ~10°F warmer than the standing temperature once you start running. Layer with a throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, and a singlet plus a visor when it climbs above 60°F. The published start time is 9:30 AM. Check the race-day weather forecast on this page closer to the date for a specific recommendation.

May 10, 2026

Brooklyn, New York

Rolling Course

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About the Race

Location: Prospect Park, Brooklyn, NYC Reference Address: Greek Shelter (Peristyle) south side of Prospect Park off of Parkside Avenue MAP Check-in: Greek Shelter (Peristyle) The HALF course consists of 4 loops. The 10K consists of 2 loops. The 5K consists of 1 loop. Every loop will be timed in real-time. You will receive splits and a final time. Start is located a little over a tenth of a mile from the meeting point/finish line. The meeting point and finish line are at the Greek Shelter (Per...

Course Profile

Course profile data unavailable for this race.

Course features

Terrain

road

Surface

Road

Elevation gain

Not measured

Course type

Not stated

Field size

Unknown

Boston qualifier

Course map

Not yet published

Elevation profile

Not measured

Accessibility & inclusion

Walker-friendly

Stroller-friendly

Dog-friendly

Kids race

Vibe & community

We don't have vibe tags for this race yet — organizers can claim the listing to add them.

No charity partner listed.

History & past results

Years running

Unknown — claim to add

Recurrence

Annual (assumed)

Past finisher times and year-over-year participation will appear here once the organizer publishes them.

Reviews

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Common questions

How hard is the Brooklyn Mother's Day Half, 10K, 5K • 2026 Half Marathon?

We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.

What should I wear?

Dress for ~10°F warmer than the standing temperature once you start running. Throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, singlet plus visor when it climbs above 60°F. The race-day forecast above is the source of truth closer to the date.