

# Event Details

- **Event Name**: Rosaryville Half Marathon/10K/5K Trail Running Race
- **Event Start and End Date**: Sat, 28 Mar, 2026 at 09:00 am – Sat, 28 Mar, 2026 at 12:00 pm (-04:00)
- **Event Description**: Join EX2 on Saturday March 28th for our annual Rosaryville Trail Half Marathon, 10K, and 5K!

Conveniently located right off the Capital Beltway, Rosaryville State Park in Upper Marlboro, MD offers fun and challenging terrain, that is also beginner friendly. Not overly technical in nature, this race course is perfect for an early season trail running race.

The race course at Rosaryville is beautiful and fun and winds through mixed hardwood forests and fields. The trails are twisty, relatively smooth, relatively flat and fast. The half marathon course includes the 9 mile perimeter trail, the 2 mile interior trail, and wide open horse trails. The 10K+ course includes 5 miles of the perimeter trail and just over one mile of wide open horse trails. The 5K course consists of part of the perimeter trail and some equestrian trails.

There are  9 aid stations on the half marathon+ course, 4 aid stations on the 10K+ course, and 2 aid stations on the 5K+ course.  All aid stations have cups, water, and gatorade.  One aid station on the half marathon course also has snacks (~ 8.8).
- **Event URL**: https://allevents.in/upper-marlboro/rosaryville-half-marathon-10k-5k-trail-running-race/200029531375907
- **Event Categories**: sports, marathons, trips-adventures, workshops
- **Interested Audience**: 
  - total_interested_count: 30

## Ticket Details

- **Ticket URL**: http://www.ex2adventures.com/trail-running/rosaryville-half-marathon-and-10k-trail-run/?utm_source=AllEvents.in&utm_medium=event-discovery-platform&utm_campaign=upper+marlboro-events

## Event venue details

- **city**: Upper Marlboro
- **state**: MD
- **country**: United States
- **location**: Rosaryville State Park
- **lat**: 38.78195974131
- **long**: -76.812821506429
- **full address**: Rosaryville State Park, 10615 Angela Way, Upper Marlboro, MD 20772, United States

## Event Organizer details

- **affiliate_id**: 2
- **organizer**: EX2 Adventures (https://allevents.in/org/ex2-adventures/12850806)

## Event gallery

- **Alt text**: banner
  - **Image URL**: https://cdn-az.allevents.in/events9/banners/1227d423df33d577ad8e562930a869691258277fee4382e31510aeb0f8f4ac99-rimg-w1200-h675-dc755e4c-gmir?v=1774582435
- **Alt text**: thumbnail
  - **Image URL**: https://cdn-az.allevents.in/events9/banners/f46d5110952f5314ecd6e2a74ac11bab837642e7c81bba0817da3f66102a7ec1-rimg-w300-h300-dcbdad8d-gmir?v=1774582436

## FAQs

- **Q**: When is the event happening?
  - **A:** Sat, 28 Mar, 2026 at 09:00 am (-04:00)
- **Q**: Where is the event happening?
  - **A:** Rosaryville State Park, 10615 Angela Way, Upper Marlboro, MD 20772, United States
- **Q**: Who is organizing the event?
  - **A:** EX2 Adventures
- **Q**: What type of event is this?
  - **A:** sports, marathons, trips-adventures, workshops
- **Q**: Where can I find ticket details about Rosaryville Half Marathon/10K/5K Trail Running Race ?
  - **A:** You can find ticket details about this event on AllEvents.

## Structured Data (JSON-LD)

```json
[
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        "@context": "https://schema.org",
        "@type": "Event",
        "name": "Rosaryville Half Marathon/10K/5K Trail Running Race",
        "image": "https://cdn-az.allevents.in/events9/banners/1227d423df33d577ad8e562930a869691258277fee4382e31510aeb0f8f4ac99-rimg-w1200-h675-dc755e4c-gmir?v=1774582435",
        "startDate": "2026-03-28T09:00:00-04:00",
        "endDate": "2026-03-28T12:00:00-04:00",
        "url": "https://allevents.in/upper-marlboro/rosaryville-half-marathon-10k-5k-trail-running-race/200029531375907",
        "location": {
            "@type": "Place",
            "name": "Rosaryville State Park",
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                "addressCountry": "US"
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                "@type": "GeoCoordinates",
                "latitude": "38.78195974131",
                "longitude": "-76.812821506429"
            }
        },
        "eventAttendanceMode": "https://schema.org/OfflineEventAttendanceMode",
        "description": "Join EX2 on Saturday March 28th for our annual Rosaryville Trail Half Marathon, 10K, and 5K!\n\nConveniently located right off the Capital Beltway, Rosaryville State Park in Upper Marlboro, MD offers fun and challenging terrain, that is also beginner friendly. Not overly technical in nature, this race",
        "organizer": [
            {
                "@type": "Organization",
                "name": "EX2 Adventures",
                "url": "https://allevents.in/org/ex2-adventures/12850806",
                "description": "EX2 Adventures produces trail running races, XTERRA off-road triathlons, mountain biking races, and adventure races in the Washington DC metropolitan area."
            }
        ]
    }
]
```