The 2025 event has concluded.

Seneca Creek Greenway Trail Marathon

Damascus, MD, USA • March 8, 2025
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partly-cloudy-day Partly cloudy throughout the day.

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In this race, you will experience some of Montgomery County's finest single-track trails as you meander along beautiful Seneca Creek in Seneca State Park. This scenic trail is muddy, rocky, rooty, hilly and steep in sections with no major elevation gain/loss. This is a challenging, but beautiful run for all!

The Seneca Creek Greenway Trail Marathon and 50K is a low-key, low-priced and fun filled event along the beautiful Seneca Creek Greenway Trail and parallel trails. Marathon and 50K participants will have the option to choose their final distance when returning to the finish (either stop for the "marathon" or keep going for the 50K. Source

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When is the 2025 Seneca Creek Greenway Trail Marathon?

The 2025 Seneca Creek Greenway Trail Marathon will be held on Saturday March 8, 2025.

Is the Seneca Creek Greenway Trail Marathon a Boston Marathon Qualfier?

No, the Seneca Creek Greenway Trail Marathon is NOT a Boston Marathon qualifier.

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Historical Weather & Results

RunScore
Run Score: 7
Temp
49°F
Min/Max
38°/50°F
Dew
29°F
Days of Rain
6/20
Wind
11mph
Tap a row for details.
YearLow / HighRain

Seneca Creek Greenway Trail Marathon 2024 Weather History

Cloudy skies throughout the day with a chance of rain throughout the day.

2024
rain
40°/ 46°Light
Run Score: 7

Seneca Creek Greenway Trail Marathon 2023 Weather History

Cloudy skies throughout the day.

2023
cloudy
36°/ 45°-
Run Score: 6

Seneca Creek Greenway Trail Marathon 2021 Weather History

Clear conditions throughout the day.

2021
clear-day
42°/ 53°-
Run Score: 8

Seneca Creek Greenway Trail Marathon 2020 Weather History

Clearing in the afternoon.

2020
cloudy
37°/ 47°-
Run Score: 7

Seneca Creek Greenway Trail Marathon 2019 Weather History

Cloudy skies throughout the day with a chance of rain or snow throughout the day.

2019
cloudy
32°/ 40°Light
Run Score: 7

Seneca Creek Greenway Trail Marathon 2018 Weather History

Clear conditions throughout the day.

2018
clear-day
34°/ 48°-
Run Score: 7

Seneca Creek Greenway Trail Marathon 2017 Weather History

Clear conditions throughout the day.

2017
clear-day
27°/ 38°-
Run Score: 6

Seneca Creek Greenway Trail Marathon 2016 Weather History

Partly cloudy throughout the day.

2016
cloudy
32°/ 41°-
Run Score: 7

Seneca Creek Greenway Trail Marathon 2015 Weather History

Partly cloudy throughout the day with rain or snow clearing later.

2015
rain
32°/ 54°Light
Run Score: 8

Seneca Creek Greenway Trail Marathon 2014 Weather History

Clear conditions throughout the day.

2014
clear-day
34°/ 57°-
Run Score: 8

Seneca Creek Greenway Trail Marathon 2013 Weather History

Partly cloudy throughout the day.

2013
cloudy
30°/ 34°-
Run Score: 6

Seneca Creek Greenway Trail Marathon 2012 Weather History

Clearing in the afternoon with rain clearing later.

2012
rain
46°/ 56°Light
Run Score: 7

Seneca Creek Greenway Trail Marathon 2011 Weather History

Partly cloudy throughout the day with late afternoon rain.

2011
cloudy
45°/ 62°-
Run Score: 8

Seneca Creek Greenway Trail Marathon 2010 Weather History

Clear conditions throughout the day.

2010
clear-day
32°/ 48°-
Run Score: 8

Seneca Creek Greenway Trail Marathon 2009 Weather History

Partly cloudy throughout the day.

2009
partly-cloudy-day
56°/ 72°-
Run Score: 8

Seneca Creek Greenway Trail Marathon 2008 Weather History

Partly cloudy throughout the day with rain clearing later.

2008
clear-day
40°/ 45°-
Run Score: 5

Seneca Creek Greenway Trail Marathon 2007 Weather History

Partly cloudy throughout the day with afternoon rain.

2007
partly-cloudy-day
35°/ 54°Light
Run Score: 8

Seneca Creek Greenway Trail Marathon 2006 Weather History

Clear conditions throughout the day.

2006
clear-day
29°/ 45°-
Run Score: 5

Seneca Creek Greenway Trail Marathon 2005 Weather History

Partly cloudy throughout the day.

2005
cloudy
34°/ 42°-
Run Score: 7

Seneca Creek Greenway Trail Marathon 2004 Weather History

Partly cloudy throughout the day with a chance of rain throughout the day.

2004
rain
59°/ 67°Light
Run Score: 7
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR
You Need an Account For That

Setting up a racecast.io account will allow you to start building a reputation in the community. Over time you'll be able to rate races, join the discussion, and post in the community.

Right now we are invite only, you can get on the waitlist by entering your email below:

OR