What distances are available for this event?

• →50 Mile (approximately 15 loops around Prospect Park)
• →50K (approximately 9 loops plus a short out-and-back section)

What is the time limit for completing the race?

The race operates under a strict 15-hour cutoff window, running from 6:00 AM to 9:00 PM. All participants must finish by 9:00 PM, as the permit is limited to this specific timeframe.

How much does registration cost?

• →50 Mile: $75 (early bird pricing until September 30, 2025)
• →50 Mile: $100 (standard pricing from October 1, 2025 onward)
• →50K: $65 (early bird pricing until September 30, 2025)
• →50K: $85 (standard pricing from October 1, 2025 onward)

What is included in race registration?

All finishers receive a commemorative belt buckle. Registration includes chip timing by Catskills Timing, access to potluck-style aid stations, Skratch Labs hydration sponsorship, and use of facilities including porta-potties throughout the course.

Can I transfer my race bib or receive a refund?

No bib transfers or refunds are available. Registration is non-transferable and non-refundable. Additionally, race day registration is not offered, so all participants must register in advance.

What are the race logistics and course format?

The event uses a looped course format through Prospect Park, with the start and finish located south of the Lincoln Road entrance. Race central is positioned at the same area. The course is chip-timed and features multiple aid stations and porta-potties positioned at the start/finish and throughout the loop. Bag drop facilities are available but are not fully secured due to the public park setting.

What is the aid station structure?

The aid station operates on a potluck style system where runners contribute shareable food items. Participants with last names beginning with A–K should bring sweet items, while those with last names L–Z should bring salty items. Hydration is sponsored by Skratch Labs.

Are pacers allowed?

Yes, pacers are permitted to participate in the event. However, they must respect other public park users and follow all park regulations.

What are the course records?

The event maintains records across both distances:

Women's 50 Mile: Mariel Feigen, 7:17:00 (2020)

Men's 50 Mile: Etan Levavi, 6:09:15 (2021)

Women's 50K: Inna Baryichenko, 4:13:52 (2023)

Men's 50K: Harrison Mann, 3:40:07 (2024)

Can I change my distance after registering?

Yes, participants have the option to drop from the 50-mile distance to the 50K distance by November 30, 2025. This change must be made by the specified deadline.

What should I know about the cup-less race format?

This event operates as a cup-less race, meaning participants must bring their own bottle or cup for hydration and aid station consumption. This format reduces waste and requires runners to be self-sufficient with their hydration containers throughout the event.

What weather conditions should I expect in December?

Early December in Brooklyn typically features cool to cold temperatures ranging from 35–48°F (2–9°C). Participants should prepare for possible rain, and occasional snow flurries are possible. Appropriate winter layering, moisture-wicking base layers, and weather-resistant outer gear are strongly recommended.