Iron Will Double Slam

Event Details

Date: Monday, September 1, 2025

Time: 6:00 AM

Location: 619 S Lincoln, Enterprise, KS

Registration closes: September 1, 2025, at 11:59 PM CT

About the Challenge

• Complete 8 races of 100 miles each in 50 days.
• Award/finish levels based on the number of completed races: 850 (8 races in 50 days), 743 (7 races in 43 days), 636 (6 races in 36 days).
• Consecutive completion is required; breaks between races will not count.

Entry Fee

The entry fee is $10 plus the Ultrasignup cost. Participants will receive a discount for the Iron Will 100 mile race.

Awards

Finishers will receive a plaque, with fees applying for customization. Awards are available for completing 6, 7, or 8 races consecutively.

Linked Events

Races to consider as part of the challenge include:

• 9/6/24 Hawk 100
• 9/13/24 Iron Will 100
• 9/20/2024 Ultra Palooza 100
• 9/27/24 Option Cowboy 100 or Tulsa Urban 100
• 10/4/24 Hennepin 100
• 10/11/24 Heartland 100
• 10/18/24 Pumpkin Holler 100
• 10/25/24 Extravaganza 100

Note: You must register for all races by 9/1/24 to be eligible for completion awards.