100mi spring ultra marathons

Mar 6-7, 2026 (Fri-Sat)

Laurel, Mississippi, United States

1 - 2.6

$80

Mar 7, 2026 (Sat)

Durham, North Carolina, United States

1.2 - 2.6

$125 - $375

Mar 13, 2026 (Fri)

Pinedale, Wyoming, United States

3

Mar 13, 2026 (Fri)

Hyden, Kentucky, United States

$100 - $275

Mar 14-15, 2026 (Sat-Sun)

Alcoa, Tennessee, United States

0.9 - 2.4

Mar 14, 2026 (Sat)

Sterrett, Alabama, United States

2.1 - 2.6

$140 - $250

Mar 18-20, 2026 (Wed-Fri)

Frozen Head State Park, Tennessee, United States

3.1

Mar 18, 2026 (Wed)

Rocky Face, Georgia, United States

2.9 - 3.5

Mar 18, 2026 (Wed)

Delta, Alabama, United States

$366 - $410

Mar 21, 2026 (Sat)

Spartanburg, South Carolina, United States

1.3 - 2.9

$60 - $160

Mar 21-22, 2026 (Sat-Sun)

Alvord, Texas, United States

1.6 - 2.4

$120 - $170

Mar 23-25, 2026 (Mon-Wed)

Atlanta, Georgia, United States

3.7

$250 - $599

Mar 27-28, 2026 (Fri-Sat)

Richland, Washington, United States

1.4 - 2.5

Mar 28, 2026 (Sat)

Raleigh, North Carolina, United States

1.6 - 2.3

Mar 28-29, 2026 (Sat-Sun)

Flovilla, Georgia, United States

1.7 - 2.5

$125

Apr 4, 2026 (Sat)

Reedley, California, United States

2.5

Apr 9-12, 2026 (Thu-Sun)

Pekin, Illinois, United States

1.7 - 3.5

$120 - $450

Apr 10-12, 2026 (Fri-Sun)

Wildwood, Missouri, United States

1.2 - 2.7

$110 - $300

Apr 11, 2026 (Sat)

Jacksonville, Alabama, United States

1.8 - 2.4

$110 - $300

Apr 11-12, 2026 (Sat-Sun)

Mooresville, Alabama, United States

2.1 - 2.6

$95 - $285

Apr 11, 2026 (Sat)

Virgin, Utah, United States

1.5 - 2.5

Apr 14-19, 2026 (Tue-Sun)

Chatsworth, Georgia, United States

1.5 - 3.9

$119 - $479

Apr 18, 2026 (Sat)

Lake Hughes, California, United States

1.1 - 2.6

Apr 24-25, 2026 (Fri-Sat)

Auburn, California, United States

1.3 - 2.5

Apr 24, 2026 (Fri)

Ellijay, Georgia, United States

2.2 - 3.2

$125 - $250