Runners will face a starting temperature of 42°F, rising to 56°F by the finish. With light winds from the SE at 6 mph and 49% humidity, conditions are favorable for racing. A conservative pace is recommended early on, given the cool temps, with hydration maintained throughout the race.

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Distance: 13.1mi

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About the Halloween Half Marathon

The Halloween Half Marathon is a 13.1-mile road race held each October in Morristown, New Jersey, starting and finishing at Ginty Field on Woodland Avenue. The single-loop course runs through Morris Township and Loantaka Brook Reservation, and a two-person relay covers the same route. Runners are encouraged to wear costumes, with prizes for the best ones, and the aid stations hand out Halloween candy. The race has a three-hour time limit and is organized by Superhero Events.

Website

Race weekend

Sunday, October 18

9:00 AMHalf Marathon (13.1 mi)

9:00 AM2 Person Relay (13.1 mi)

Course Map

Halloween Half Marathon FAQ

When is the 2026 Halloween Half Marathon?

The 2026 Halloween Half Marathon will be held on Sunday October 18, 2026.

What is the time limit for the Halloween Half Marathon?

The time limit for the Halloween Half Marathon is 3 hours.

What will the weather be like for the 2026 Halloween Half Marathon?

The forecast calls for a high of 59°F and a low of 36°F with a 0% chance of rain.

What is the weather usually like for the Halloween Half Marathon?

Over the 10 years racecast.io has race-day weather for (2016 to 2026), it averaged 51°F at the start and 59°F by a typical finish. Rain fell during race hours in 2 of those years (2019 and 2023).

What was the hottest Halloween Half Marathon?

Of the 10 years on record, 2017 was the warmest, reaching 66°F during race hours. The coldest start was 2026, at 42°F.

What was the windiest Halloween Half Marathon?

Of the 10 years on record, 2018 was the windiest, with wind averaging 15 mph during race hours. The calmest was 2017, at 1 mph.

Halloween Half Marathon weather history

Based on 10 years of data

Avg Temp

55°F

L:51° H:59°

RunScore

Conditions

Rain Freq

20%

2 of 10 yrs

Wind6mph

Dew44°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Halloween Half Marathon Clear conditions throughout the day. 2026	42°/51°	-	30°
2025 Halloween Half Marathon Clearing in the afternoon. 2025	49°/60°	-	38°
2024 Halloween Half Marathon Clear conditions throughout the day. 2024	52°/63°	-	39°
2023 Halloween Half Marathon Partly cloudy throughout the day with rain clearing later. 2023	58°/59°	Light	54°
2022 Halloween Half Marathon Clear conditions throughout the day. 2022	51°/57°	-	45°
2021 Halloween Half Marathon Partly cloudy throughout the day with rain clearing later. 2021	56°/62°	-	53°
2019 Halloween Half Marathon Partly cloudy throughout the day with rain in the morning and afternoon. 2019	59°/62°	Moderate	58°
2018 Halloween Half Marathon Partly cloudy throughout the day with early morning rain. 2018	45°/45°	-	28°
2017 Halloween Half Marathon Clear conditions throughout the day. 2017	51°/66°	-	43°
2016 Halloween Half Marathon Partly cloudy throughout the day. 2016	46°/61°	-	48°