Runners will start in chilly 38°F conditions — dress in layers for the corral and plan to shed early. Moderate winds around 20mph may affect pacing on open sections of the course. Moderate humidity at 74% is worth noting for effort level, especially in later miles.

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Distance: 13.1mi

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About the Hyannis Half Marathon

The Hyannis Half Marathon is one loop of the two-loop marathon course on Cape Cod. It starts and finishes at the Cape Cod Irish Village on Scudder Avenue in Hyannis, and runs along Craigville Beach, Kalus Beach, Hyannis Harbor and Lewis Bay. The route passes the John F. Kennedy Memorial and the Kennedy Family Compound in Hyannisport and goes through the villages of Hyannisport and Centerville. The paved course is mostly flat with a few gentle rolling sections, and it is USATF-certified.

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Race weekend

Sunday, March 1

10:00 AMMarathon (26.2 mi)

10:00 AMHalf Marathon (13.1 mi)

10:00 AM10K (6.2 mi)

10:00 AMMarathon Team Relay (26.2 mi)

Course Map

Hyannis Half Marathon FAQ

When is the 2026 Hyannis Half Marathon?

The 2026 Hyannis Half Marathon will be held on Sunday March 1, 2026.

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

The forecast calls for a high of 39°F and a low of 26°F with a 0% chance of rain. Check our detailed hourly forecast above for the best half marathon race plan.

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

Over the 20 years racecast.io has race-day weather for (2006 to 2026), it averaged 38°F at the start and 40°F by a typical finish. Rain fell during race hours in 4 of those years (2011, 2013, 2015 and 2019).

What was the hottest Hyannis Half Marathon?

Of the 20 years on record, 2018 was the warmest, reaching 56°F during race hours. The coldest start was 2006, at 21°F.

What was the windiest Hyannis Half Marathon?

Of the 20 years on record, 2022 was the windiest, with wind averaging 19 mph during race hours. The calmest was 2015, at 3 mph.

Hyannis Half Marathon weather history

Based on 20 years of data

Avg Temp

39°F

L:38° H:40°

RunScore

Conditions

Rain Freq

20%

4 of 20 yrs

Wind12mph

Dew27°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2026 Hyannis Half Marathon Partly cloudy throughout the day. 2026	35°/38°	-	30°
2025 Hyannis Half Marathon Clear conditions throughout the day. 2025	23°/27°	-	3°
2024 Hyannis Half Marathon Cloudy skies throughout the day with early morning rain. 2024	45°/46°	-	44°
2023 Hyannis Half Marathon Partly cloudy throughout the day with early morning snow or rain. 2023	39°/41°	-	31°
2022 Hyannis Half Marathon Partly cloudy throughout the day. 2022	34°/36°	-	18°
2020 Hyannis Half Marathon Clear conditions throughout the day. 2020	48°/51°	-	26°
2019 Hyannis Half Marathon Cloudy skies throughout the day with rain in the morning and afternoon. 2019	42°/45°	Moderate	41°
2018 Hyannis Half Marathon Becoming cloudy in the afternoon with rain. 2018	52°/56°	-	42°
2017 Hyannis Half Marathon Partly cloudy throughout the day with early morning rain. 2017	43°/45°	-	22°
2016 Hyannis Half Marathon Clear conditions throughout the day. 2016	45°/47°	-	31°
2015 Hyannis Half Marathon Cloudy skies throughout the day with a chance of rain or snow throughout the day. 2015	33°/34°	Light	32°
2014 Hyannis Half Marathon Clear conditions throughout the day. 2014	46°/50°	-	37°
2013 Hyannis Half Marathon Cloudy skies throughout the day with a chance of rain or snow throughout the day. 2013	44°/46°	Light	44°
2012 Hyannis Half Marathon Clear conditions throughout the day. 2012	35°/39°	-	2°
2011 Hyannis Half Marathon Cloudy skies throughout the day with a chance of rain or snow throughout the day. 2011	34°/34°	Light	32°
2010 Hyannis Half Marathon Cloudy skies throughout the day with late afternoon rain or snow. 2010	36°/38°	-	29°
2009 Hyannis Half Marathon Partly cloudy throughout the day with rain. 2009	40°/41°	-	35°
2008 Hyannis Half Marathon Clear conditions throughout the day. 2008	31°/32°	-	21°
2007 Hyannis Half Marathon Clear conditions throughout the day. 2007	32°/35°	-	17°
2006 Hyannis Half Marathon Partly cloudy throughout the day with early morning snow. 2006	21°/22°	-	9°