Registration

Registration for 2026 will open on Saturday, November 1, 2025 at 8:00 am (MST) on UltraSignup

Please add info@ultrasignup.com to your email safe sender list to ensure you receive all notifications.

Registration:
This includes a racer garment and etched finisher rock.

Racer Limit:
370 racer registration limit:
– 100 mile: 65 racers
– 100 km: 145 racers
– 50 km: 160 racers
*Minimum age for racers or pacers is 18 years of age (Note: Pacers are only allowed for 100 mile distance).

Registration Withdrawl:

• No bib transfers allowed.
• If you withdraw from the race, you will automatically receive a partial rollover credit for next year’s race. To withdraw from the race, you can:
  • Use the “Edit” link on your registration receipt
    OR
  • Use the registration history in your UltraSignup account (Click Account Info / Registration History / Edit link for Lost Soul Ultra)

Distance Changes:

• You may downgrade distance free of charge in UltraSignup until August 14, 2026
• To upgrade distance from 100 km to 100 miles, please contact lostsoulultra@gmail.com

Garment Sizing:

Our racer garments need to be ordered 10 months in advance so:

• If you register by the cutoff date (Nov. 15, 2025), you will receive a North Face racer garment
• If you register after the cutoff date, you will receive a LSU t-shirt and neck gaiter (buff).

Facebook page:
https://www.facebook.com/groups/422997667745856/
or search for “lost soul ultramarathon”

Email: lostsoulultra@gmail.com

Alternatives:

If you are unable to register for our race, here are some alternatives: Beaver Flat 50, Lewiston Ultra, River’s Edge Ultra, Blackspur Ultra