Marathon calendar United States 2025-2026

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Explore the best marathons in the United States for 2025-2026! Our updated list features 644 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

May 2025
May
18
Sunday

Armed Services Marathon

5 km 13 mi 26 mi
May
18
Sunday

Epic Marathon

5 km 13 mi 26 mi
May
18
Sunday

Nutty Troll

21 km 26 mi 50 km
May
18
Sunday

The Teanaway Trail Run

Trail Run 5 km 10 km 13 mi 26 mi
May
18
Sunday

The DAM 8

8 km 13 mi 26 mi
May
18
Sunday

Natro@Noli Indian School

Trail Run 5 km 13 mi 26 mi
May
18
Sunday

Nassau Suffolk Trail Marathon

Trail Run 15 mi 26 mi
May
18
Sunday

Windermere Marathon

5 km 10 km 13 mi 26 mi
May
18
Sunday

Fat Boy NOLA Run/Walk

4 km 26 mi
May
24-31
Sa - Sa

Coeur d'Alene Marathon

5 km 10 km 13 mi 26 mi
May
24
Saturday

Bayshore Marathon

10 km 13 mi 26 mi
May
24
Saturday

Prince of Wales Marathon

13 mi 26 mi
May
24-25
Sa - Su

Ultra Cheii Relay

Trail Run 26 mi 50 mi 100 mi
May
24-25
Sa - Su

Crown Of The Crest

Trail Run 13 mi 26 mi 100 mi
May
24
Saturday

Prince of Wales Island Alaska Marathon

42 km
May
24-25
Sa - Su

Austin's Backyard Marathon

Backyard Ultra 13 mi 26 mi ... 100 km 100 mi
May
24
Saturday

Beaverhead Marathon

13 mi 26 mi
May
24-26
Sa - Mo

Texas Triple

13 mi 26 mi 39 mi 78 mi
May
25
Sunday

Spirit Trail Run

Trail Run 9 km 13 mi 26 mi
May
25
Sunday

Minocqua Northwoods Escape Marathon

5 km 13 mi 26 mi
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