Registration will open in mid December 2018 (watch Facebook for updates):

8:00 pm – 100 mile registration opens (max 65 spots)
8:30 pm – 100 km registration opens (max 125 spots)
9:00 pm – 50 km registration opens (max 175 spots)

Waitlist info: We oversell so we don’t expect openings until May or June. Go to UltraSignup and register (a red button indicated it will be a “Waitlist” registration). When spots come available, you will receive an email notification to Accept or Decline and you will have a few days to confirm before we cancel and move to the next person.

If you believe you have a credit from a previous year, please forward the original email to

See the discussion on our Facebook page: Lost Soul Ultra

This includes a garment (likely North Face), a personalized finisher etched ceramic tile, and one awards breakfast ticket on Sunday morning at the Lethbridge Lodge Hotel banquet room.

Racer Limit:
365 racer limit (total) for Decmber initial registration:
– 100 mile and 100 km: 190 total accepted in December (maximum 180 for Friday race start)
– 50 km: 175 accepted in December (maximum 140 for Saturday race start)
We anticipate the 100 km distance to fill very quickly.

Dropout Refund/Credit Schedule (edit your Ultrasignup registration to “remove” yourself):

  • *Note – no transfers of entry! …Like never!
  • January – April 30: Refund $100 plus the value of items purchased
  • May 1 – 31: Refund $75 plus the value of items purchased
  • June 1 – 30: Credit for next year $75 plus the value of items purchased
  • July 1 – August 15: Credit for next year $50 (purchased items will need to be picked up)

Distance Changes:

  • Downgrade distance change fee of $20. Purchase in Ultrasignup and email
  • Upgrade from 100 km to 100 mile $20
  • Upgrade from 50 km to 100 km $20 only if 100 km spots available (very unlikely)

Garment Sizing:

Sizing is not guaranteed after December entries as our North Face order is placed in January.

Facebook page:
or search for “lost soul ultra marathon”



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