4.8
(1880)
13,483
runners
02:34
20.7km
460m
Running
Prepare for a difficult jogging experience on the Split Rock Loop and Bone Road Trail, covering 12.9 miles (20.7 km) with a significant 1510 feet (460 metres) of elevation gain. This route will challenge you for an estimated 2 hours and 33 minutes, taking you through diverse terrain that shifts from sandy stretches to rocky paths. As you jog, you will be treated to constant panoramic views of the Great Salt Lake and the rugged peaks of Antelope Island. Keep an eye out for the unique Split Rock formation, also known as Mormon Rocks, which stands out against the landscape. The trail offers a rewarding workout with stunning vistas at every turn.
Since the trail is largely exposed, make sure to bring plenty of water and sun protection, especially if you plan to jog during warmer parts of the day. You should also be aware that the Bone Road section can have a loose surface underfoot, as it is a frequently used horse route. This means you might encounter horse manure along the way. If you visit in spring, be prepared for potentially muddy sections on the trail. Starting your jog early in the morning or later in the afternoon can offer more comfortable temperatures and beautiful light.
This trail is a fantastic way to experience the natural environment of Antelope Island State Park. While jogging, you have a good chance of spotting the island's famous wildlife, including bison and antelope, roaming freely. The views extend far beyond the island, offering glimpses of the distant Wasatch Range across the lake. The striking Antelope Island scenery is particularly memorable during sunrise and sunset, adding to the unique character of this challenging route.
Last updated: April 23, 2026
Waypoints
Start point
Parking
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3.31 km
Highlight • Viewpoint
Tip by
11.6 km
Highlight • Natural Monument
Tip by
20.7 km
End point
Parking
Way Types & Surfaces
Way Types
18.6 km
2.10 km
< 100 m
Surfaces
7.27 km
6.99 km
2.12 km
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Elevation
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Weather
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Today
Friday 21 August
38°C
24°C
19 %
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Max wind speed: 20.0 km/h
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This route was planned by komoot.
For jogging, the route is estimated to take approximately 2 hours and 34 minutes to complete. This duration can vary based on your fitness level and how often you stop to enjoy the views.
The terrain is quite varied and challenging. You'll encounter sandy and rocky sections, with some areas potentially dry or muddy depending on the season. Expect a mix of challenging uphill sections, smoother flatter stretches, and rocky paths requiring good ankle support. The Bone Road portion can be loose dirt or doubletrack, and it's largely exposed to the sun.
This trail is generally considered difficult and a 'Hard run,' suitable for those with 'Very good fitness.' While there are some easy sections, it includes significant ascents and descents, particularly climbing out of Split Rock Bay. The uneven, loose, and rocky terrain demands concentration.
The trail offers excellent opportunities for wildlife viewing. You're likely to see bison and antelope, which are common on Antelope Island. Remember to maintain a respectful distance from all wildlife. You might also spot various bird species and other smaller animals.
The route offers constant panoramic views across the Great Salt Lake and the island's rugged peaks, with distant views of the Wasatch Range. Key features include the unique rock formations, such as the namesake Split Rock (Mormon Rocks), and a historic rock horse corral. You'll also enjoy stunning Antelope Island views throughout.
Yes, the route utilizes sections of several other official trails. You'll spend significant portions on the Split Rock Loop and Bone Road Trail, but it also incorporates parts of the Junction Trail, Buffalo Scaffold / West Side Trail, Elephant Head Spur, White Rock Loop, and Lakeside Loop Access.
Dogs are generally allowed on trails within Antelope Island State Park, but they must be kept on a leash at all times. Always check the latest park regulations before your visit, as rules can change.
Spring and fall generally offer the most pleasant temperatures for jogging. The scenery is particularly mesmerizing during sunrise and sunset, when the light casts beautiful reflections on the Great Salt Lake. Be prepared for sun exposure in warmer months and potential muddy patches in spring.
Yes, Antelope Island State Park requires an entrance fee. This fee grants access to the park and its trails, including the Split Rock Loop and Bone Road Trail. You can find current fee information and any specific regulations on the official Utah State Parks website: utah.gov.
Given the trail's exposure and varied terrain, it's crucial to bring plenty of water for hydration and adequate sun protection (hat, sunscreen). Good quality jogging shoes with strong ankle support are highly recommended due to the rocky and uneven surfaces. Layers of clothing are also advisable to adapt to changing weather conditions.
The trail is located within Antelope Island State Park. Parking is available at designated trailheads within the park. A common starting point for this loop is near the Fielding Garr Ranch or the White Rock Bay area, but specific parking availability can vary. Always check park maps upon arrival for the most convenient access points.
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