
Lynn, United States of America · Sunday 21 June 2026
For live updates, follow stonetowerhalf on instagram. Event Name: Stone Tower Half Marathon Distance: Half Marathon (13.3 miles) Format: Three identical loops (4.4 miles each) Location: Lynn Woods Reservation, Lynn, Massachusetts Surface: Trail (singletrack, carriage roads, fire roads) Date: JUNE 21 st , Start Time: 7:30am – Cut off 11:30am Estimated Participants: 10- 65 runners for first year The Stone Tower Half Marathon is a trail running event designed to showcase the historic Stone Tower and the rugged terrain of Lynn Woods Reservation. The race emphasizes sustainability, safety, and minimal environmental impact while offering a challenging and memorable experience for participants. The event will prioritize environmental stewardship, community engagement, and a safe, well-managed race experience. Course Description Total Distance: 13.1 miles Loop Structure: Three identical 4.44-mile loops Elevation: Rolling to challenging, with notable climbs Terrain: Forested singletrack, rocky New England trails, wide carriage roads Course Flow (Per Loop) 1. Start at Lynn Woods Reservation parking lot 2. Run out on Great Woods Road 3. Turn South (Left) on Penny Brook Rd 4. Turn on Waycross Road 5. Right on Cooke Road 6. Right on GW Rd. Return to start/finish area All participant and volunteer parking will be located in the main Lynn Woods Reservation parking lot - Volunteers will assist with parking flow and pedestrian safety - The start/finish area will also host packet pickup, timing equipment, medical support, and post-race recovery The centralized start/finish minimizes park impact and simplifies operations. The goal would be to utilize the lot as early as possible so most runners have exited by late morning.
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
Stone Tower Half Marathon is a half marathon held in Lynn, United States of America, scheduled for Sunday 21 June 2026. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level. For registration and full race details, visit the official Stone Tower Half Marathon website.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 0m to 0m above sea level — a 0m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Stone Tower Half Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Stone Tower Half Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Stone Tower Half Marathon against other half marathons to find the right race for your goals.
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