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May 16 2025

2025 Prairie Series - Day 8 (MN/ND)

Mainly Marathons • Breckenridge, MN

Running [5K, 10K, Half marathon, Marathon]

Aug 6 2025

2025 Alaska Series - Day 2

Mainly Marathons • Douglas, AK

Running [5K, 10K, Half marathon, Marathon]

Jan 26 2025

2025 Aloha Series - Day 4

Mainly Marathons • Kapaa, HI

Running [5K, 10K, Half marathon, Marathon]

Sep 21 2025

2025 Northwest Series - Day 2 (OR)

Mainly Marathons • Pendleton, OR

Running [5K, 10K, Half marathon, Marathon]

Sep 23 2025

2025 Northwest Series - Day 4 (WA)

Mainly Marathons • Clarkston, WA

Running [5K, 10K, Half marathon, Marathon]

Sep 24 2025

2025 Northwest Series - Day 5 (ID)

Mainly Marathons • Lewiston, ID

Running [5K, 10K, Half marathon, Marathon]

Aug 5 2025

2025 Alaska Series - Day 1

Mainly Marathons • Douglas, AK

Running [5K, 10K, Half marathon, Marathon]

Sep 20 2025

2025 Northwest Series - Day 1 (OR)

Mainly Marathons • Pendleton, OR

Running [5K, 10K, Half marathon, Marathon]

Aug 8 2025

2025 Alaska Series - Day 4

Mainly Marathons • Juneau, AK

Running [5K, 10K, Half marathon, Marathon]

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Marathons in Aurora, CO

Find and Register for Aurora Marathon Races

Marathon Races Near

Aurora, CO

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Your Location

Your Family Members

2025 Prairie Series - Day 8 (MN/ND)

Mainly Marathons • Breckenridge, MN

Running [5K, 10K, Half marathon, Marathon]

2025 Alaska Series - Day 2

Mainly Marathons • Douglas, AK

Running [5K, 10K, Half marathon, Marathon]

2025 Aloha Series - Day 4

Mainly Marathons • Kapaa, HI

Running [5K, 10K, Half marathon, Marathon]

2025 Northwest Series - Day 2 (OR)

Mainly Marathons • Pendleton, OR

Running [5K, 10K, Half marathon, Marathon]

2025 Northwest Series - Day 4 (WA)

Mainly Marathons • Clarkston, WA

Running [5K, 10K, Half marathon, Marathon]

2025 Northwest Series - Day 5 (ID)

Mainly Marathons • Lewiston, ID

Running [5K, 10K, Half marathon, Marathon]

2025 Alaska Series - Day 1

Mainly Marathons • Douglas, AK

Running [5K, 10K, Half marathon, Marathon]

2025 Northwest Series - Day 1 (OR)

Mainly Marathons • Pendleton, OR

Running [5K, 10K, Half marathon, Marathon]

2025 Alaska Series - Day 4

Mainly Marathons • Juneau, AK

Running [5K, 10K, Half marathon, Marathon]

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