
Appalachian Series - Day 3 (SC)
Race Date
Mar 21, 2027
Location
Seneca, SC
Quick facts
- Date
- Sunday, March 21, 2027
- Location
- Seneca, South Carolina
- Distance
- Half marathon (13.1 mi)
- Course
- Loop Course
- Terrain
- Road
- USATF certified
- Not listed
The Experience
Welcome to the best multi-day, multi-state Running Series!
Mainly Marathons has 75 events across 13 series taking place in all 50 states!
Mainly Marathons 2026 Calendar
The 2026 series dates have been announced and the Calendar can be found HERE (https://mainlymarathons.com/wp-content/uploads/2025/08/MM-Newsletter-2025-August12.jpg). The 2026 calendar is similar to that of 2025, including 75 races covering all 50 States and 3 Running Ragged combined series! Join us for one race, all 75 (AAA Challenge!), or any number in between! Use the “Races/Series” tab in the header of the website to find details on each of the series. Registration links are on the corresponding series page, also available below:
Online registration via Active.com is open for all 2026 Series: Aloha, Gulf Coast, Appalachia (https://endurancecui.active.com/new/eventseries/126720/select-race)n, Riverboat, Prairie, Independence (https://endurancecui.active.com/new/eventseries/128706/select-race), New England (https:
Course Info
Course Type
Loop Course
Terrain
road
Difficulty
Ultra-Flat
Quality Score
Standout655 years running
~51 finishers a year
growing or steady
28% returning runners
2 timing sources · 3 photos
runners from 21 states
winner 1:40:05
typical high 64°F
Race Day Weather
5-year historical avgStart (Low)
44°
Afternoon (High)
63°
Pleasant conditions — light layers at start, comfortable by finish
0.1"
Precipitation
11 mph
Wind
68%
Humidity
Race Photos
Frequently asked
When is the Appalachian Series - Day 3 (SC)?
The Appalachian Series - Day 3 (SC) is held on Sunday, March 21, 2027.
Where does the Appalachian Series - Day 3 (SC) take place?
It takes place in Seneca, South Carolina.
What distances does the Appalachian Series - Day 3 (SC) offer?
The half marathon (13.1 miles).
Is the Appalachian Series - Day 3 (SC) course flat and good for a PR?
The Appalachian Series - Day 3 (SC) is a ultra-flat, loop course course.
HalfRuns editorial — independent, no paid placement.
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