Mild 54°F temps at gun time mean comfortable early miles without overheating risk. Temps will climb significantly to 76°F by later miles, so expect fading conditions as the race progresses. Light winds shouldn't be a major factor for pacing.

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Distance: 13.0mi

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About the Crater Lake 13M

The 13-mile run is held on the second Saturday of August inside Crater Lake National Park, Oregon. It follows the rim of the lake on paved park roads at elevations between 5,980 and 7,850 feet above sea level. The course has long grades, with climbs and descents of close to 1,000 feet at a time over stretches of nearly five miles.

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Race weekend

Saturday, August 9

7:30 AMMarathon (26.2 mi)

7:30 AM13M (13.0 mi)

7:30 AM6.7M (6.7 mi)

Course Map

Crater Lake 13M FAQ

When is the 2025 Crater Lake 13M?

The 2025 Crater Lake 13M will be held on Saturday August 9, 2025.

What is the time limit for the Crater Lake 13M?

The time limit for the Crater Lake 13M is 2.5 hours.

What will the weather be like for the 2025 Crater Lake 13M?

The forecast calls for a high of 86°F and a low of 48°F with a 0% chance of rain.

What is the weather usually like for the Crater Lake 13M?

Over the 3 years racecast.io has race-day weather for (2023 to 2025), it averaged 52°F at the start and 67°F by a typical finish. It has not rained during race hours in any of those years.

What was the hottest Crater Lake 13M?

Of the 3 years on record, 2023 was the warmest, reaching 70°F during race hours. The coldest start was 2024, at 50°F.

What was the windiest Crater Lake 13M?

Of the 3 years on record, 2023 was the windiest, with wind averaging 5 mph during race hours. The calmest was 2024, at 0 mph.

Crater Lake 13M weather history

Based on 3 years of data

Avg Temp

60°F

L:52° H:67°

RunScore

Conditions

Rain Freq

0 of 3 yrs

Wind3mph

Dew48°F

Temperature History

Range of temperatures during race hours for each year.

Detailed History

Year	Low / High	Rain	Dew Point
2025 Crater Lake 13M Clear conditions throughout the day. 2025	54°/67°	-	44°
2024 Crater Lake 13M Clear conditions throughout the day. 2024	50°/65°	-	52°
2023 Crater Lake 13M Clear conditions throughout the day. 2023	52°/70°	-	49°

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