Sleeping Bear Marathon

Empire, MI, USA · October 02, 2027
partly-cloudy-day51°·59° high·Breezy·Dry
9
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Sleeping Bear Marathon race day weather

partly-cloudy-day
51°at start
64° high
Breezy
Dry
Your goal
0:00:00

Comfortable temps, warming through the race

Mild 51°F temps at gun time mean comfortable early miles without overheating risk. Temperatures rising to 64°F through the course will gradually increase perceived effort in the second half. Light winds shouldn't be a major factor for pacing. Moderate humidity at 72% is worth noting for effort level, especially in later miles.

Race day forecast available in 312 days
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Pace Calculator

26.2mi
0:00:00
HH:MM:SS
Pace
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Enter a finish time to see what race day does to it.

Common Goals:

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Sleeping Bear Marathon route and elevation

The Sleeping Bear Marathon course has about 796 ft (243 m) of climbing and 797 ft (243 m) of descent, and finishes near the elevation it starts. It is hillier than 84% of the marathon courses racecast.io has mapped, measured by what the hills cost in time. The hardest mile is mile 3, with 157 ft (48 m) of climbing and a 2.7% average grade.

Biggest climbs

  • Miles 1.6 to 2.9: climbs about 190 ft (58 m).
  • Miles 20.7 to 22.3: climbs about 195 ft (59 m).

What the hills cost

  • 3:30 on a flat course is about 3:32 here (2 minutes slower).
  • 4:00 on a flat course is about 4:03 here (3 minutes slower).
  • 4:30 on a flat course is about 4:33 here (3 minutes slower).

Hills only, priced mile by mile on the course map. The pace calculator above adds the race-day weather.

Even-effort splits for a 3:30, 4:00 or 4:30 finish
The Sleeping Bear Marathon mile splits at even effort for three finish times, with each mile's climb and descent
MileClimbDescent3:304:004:30
137 ft6 ft8:109:2110:31
274 ft47 ft8:099:1810:28
3157 ft12 ft9:1210:3111:49
453 ft53 ft7:559:0310:12
58 ft155 ft7:268:299:33
655 ft80 ft7:508:5710:04
74 ft36 ft7:488:5510:01
831 ft10 ft8:069:1610:26
913 ft48 ft7:478:5410:01
1016 ft12 ft7:589:0610:14
1113 ft15 ft7:559:0310:11
1238 ft32 ft7:599:0710:15
137 ft6 ft7:569:0410:12
144 ft5 ft7:559:0310:11
1523 ft14 ft8:009:0810:17
164 ft21 ft7:518:5910:06
1712 ft13 ft7:569:0410:11
1824 ft7 ft8:049:1310:23
1935 ft39 ft7:559:0310:10
209 ft7 ft7:569:0410:13
2165 ft41 ft8:089:1710:27
22154 ft20 ft9:0510:2411:41
2355 ft60 ft7:559:0210:10
240 ft144 ft7:268:309:34
2515 ft37 ft7:508:5810:05
2630 ft12 ft8:059:1310:23
Last 0.21 ft14 ft1:431:582:12

Explore the Sleeping Bear Marathon course with the weather and your pace along the route, or compare it with other races.

About the Sleeping Bear Marathon

Join us for a scenic marathon, half marathon, and 5K run/walk in the heart of the Sleeping Bear Dunes National Lakeshore. All races finish in Empire, MI. The Marathon and Half Marathon start at the Dune Climb with the 5K starting at Empire Beach.

The out-and-back marathon course will take runners by the “Dune Climb”, Little Glen Lake, and through the village of Glen Arbor with breathtaking views of the Manitou Islands and Sleeping Bear Dunes along the way.
Source

Race weekend

Saturday, October 3
7:30 AMMarathon (26.2 mi)
8:00 AMHalf Marathon (13.1 mi)
8:20 AM5K (3.1 mi)

Sleeping Bear Marathon FAQ

When is the 2027 Sleeping Bear Marathon?

The 2027 Sleeping Bear Marathon will be held on Saturday October 2, 2027.

Is the Sleeping Bear Marathon a Boston Marathon Qualifier?

Yes, the Sleeping Bear Marathon is an official Boston Marathon qualifier.

What is the time limit for the Sleeping Bear Marathon?

The time limit for the Sleeping Bear Marathon is 6 hours.

What will the weather be like for the 2027 Sleeping Bear Marathon?

The forecast calls for a high of 65°F and a low of 50°F with a 12% chance of rain.

What is the elevation gain of the Sleeping Bear Marathon?

The Sleeping Bear Marathon course has about 796 ft (243 m) of climbing and 797 ft (243 m) of descent, and finishes near the elevation it starts.

Is the Sleeping Bear Marathon hilly?

Yes. It has about 30 ft (9 m) of climbing per mile. The hardest mile is mile 3, with 157 ft (48 m) of climbing and a 2.7% average grade. 4:00 on a flat course is about 4:03 here (3 minutes slower). It is hillier than 84% of the marathon courses racecast.io has mapped, measured by what the hills cost in time.

What is the weather usually like for the Sleeping Bear Marathon?

Over the 11 years racecast.io has race-day weather for (2015 to 2026), it averaged 51°F at the start and 60°F by a typical finish. Rain fell during race hours in 4 of those years (2016, 2017, 2018 and 2023).

What was the hottest Sleeping Bear Marathon?

Of the 11 years on record, 2025 was the warmest, reaching 78°F during race hours. The coldest start was 2024, at 37°F.

What was the windiest Sleeping Bear Marathon?

Of the 11 years on record, 2023 was the windiest, with wind averaging 16 mph during race hours. The calmest was 2022, at 1 mph.

Sleeping Bear Marathon weather history

Based on 11 years of data
Avg Temp
54°F
L:51° H:60°
RunScore
8
Conditions
Rain Freq
36%
4 of 11 yrs
Wind6mph
Dew48°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

YearConditionsLow / HighRainScoreResults
2026
clear-night
39°/56°-
10
2025
clear-night
64°/78°-
5
2024
clear-night
37°/62°-
9
2023
cloudy
47°/49°Light
9
2022
clear-night
38°/58°-
9
2021
partly-cloudy-night
65°/71°-
5
2019
partly-cloudy-night
39°/50°-
10
2018
rain
55°/56°Light
7
2017
partly-cloudy-night
66°/67°Light
4
2016
cloudy
60°/60°Light
7
2015
partly-cloudy-night
48°/50°-
10