Running in Mercer County is one of the best ways to explore more of this region. To help you discover the most beautiful places to run, we’ve reviewed our full collection of routes in Mercer County—and are proud to present the best running trails. Click on any of the routes for more details and browse real tips and photos uploaded by other runners.

Last updated: October 8, 2025

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1. Bike path, Red Trail, and Orange Trail loop — Mercer County Park

9.31km

00:58

40m

Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Intermediate

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2. Strawberry Hill and Baldpate Mountain — Ted Stiles Preserve

10.1km

01:11

230m

Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Intermediate

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3. Blue Trail loop — Mercer County Park

8.03km

00:50

10m

Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Intermediate

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4. D&R Canal Towpath from Scudder Falls to river overlook — D&R Canal State Park

8.36km

00:52

20m

Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Intermediate

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5. Watershed Trail to to Elks Preserve — Watershed Reserve

9.28km

00:57

30m

Intermediate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Intermediate

6. Princeton Battlefield State Park and Institute Woods — Mercer County

5.73km

00:40

20m

Intermediate run. Good fitness required. Mostly accessible paths. Some sure footedness required.

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7. Multi-Use Trail running loop — Washington Crossing State Park

2.84km

00:18

30m

Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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Easy

3.0

(1)

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8. Stony Brook – Institute Woods loop from Princeton

17.8km

01:51

50m

Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Expert

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9. Herrontown Woods loop from Princeton Center

22.4km

02:22

200m

Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Expert

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10. Institute Woods – Herrontown Woods loop from Princeton Junction

38.2km

04:05

320m

Expert run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Other adventures in Mercer County

East Coast Greenway — An unforgettable ride along the Atlantic Seaboard

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On the trail of the Pilgrim Fathers – road trip along the Atlantic coast

Hiking Collection

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Places to see

Lakes

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Check out more Running Trails & Routes throughout Mercer County below and find the perfect route in your destination.

The College Of New Jersey Windsor White Horse Titusville Mercerville Yardville Hightstown Trenton Pennington Robbinsville Center Lawrenceville Hamilton Square Princeton Hopewell Washington Crossing Princeton Junction Charles H. Rogers Wildlife Refuge

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The best running trails in Mercer County

1. Bike path, Red Trail, and Orange Trail loop — Mercer County Park

2. Strawberry Hill and Baldpate Mountain — Ted Stiles Preserve

3. Blue Trail loop — Mercer County Park

4. D&R Canal Towpath from Scudder Falls to river overlook — D&R Canal State Park

5. Watershed Trail to to Elks Preserve — Watershed Reserve

6. Princeton Battlefield State Park and Institute Woods — Mercer County

7. Multi-Use Trail running loop — Washington Crossing State Park

8. Stony Brook – Institute Woods loop from Princeton

9. Herrontown Woods loop from Princeton Center

10. Institute Woods – Herrontown Woods loop from Princeton Junction

Other adventures in Mercer County

Most popular routes in Mercer County

Most popular attractions in Mercer County

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