- Leave no trace. Do not litter on the trail.
- We only allow the SPOT TRACE units owned by the racer or rented from Trackleaders. We don't allow other SPOT units. Satellite phones, InReach units and/or EPRBs are permitted.Since 2015 we are offering tracking for fans with Trackleaders.com
- GPS units for navigation are permitted.
- All gear and clothing for the McGrath and Nome races must be carried from the start to the finish. Sending gear or clothing ahead, including but not limited to, socks, gloves, shoes, stoves, sleds, skis, tents, is not permitted.
- You may take any route you choose as long as you sign in and sign out at the required checkpoints to McGrath.
Required checkpoints include
- Yentna Station mile 59
- Skwentna Roadhouse mile 90
- Winter Lake Lodge mile 130
- Rainy Pass Lodge mile 165
- Rohn mile 200
- Nikolai mile 300
- McGrath mile 350 finish line
- Racers continuing to Nome without a tracker must call in from Ruby, Kaltag and Nome on even-numbered years, and from Shageluk, Kaltag and Nome on odd-numbered years.All racers are required to call in from Nome when they finish.
- No support crews. Pacers, friends or family, other than another racer traveling with a racer on the trail, is prohibited. Racers may not arrange for trail breaking by snow machine or persons outside of the race, nor may aircraft be used for communicating with racers.
- Media crews following an individual racer must be approved by the race directors and accompanied by an Alaska Ultra Sport guide.
- No outside assistance is permitted to transport a racer on or off the trail (no snow machine or airplane rides).
- Respect private property, Entering property posted with No Trespassing signs is not permitted. Entering locked cabins is not permitted.
- Drop bags are limited to 5 pounds each for Fingerlake and Rohn, 10 pounds for Cripple/Iditarod.
Drop bags delivered by race management to Finger Lake and Rohn (Wolfkill Slough [even years for Nome racers] and Iditarod [odd years for Nome racers]). Drop bags are for expendables only, including food, fuel, batteries, chemical handwarmers. Extra clothing, shoes, gloves, tents,tires,tubes and other gear are not permitted to be included in drop bags delivered by race management or forwarded by the racer to any point on the course. Drops may only be forwarded to villages. Racers are not permitted to take support or have food or drop bags stashed or delivered to points on the course. Racers are, however, permitted to share food. (Drop bags will not be returned to the racers).
- Racers are not permitted to take bikes, sleds or skis into checkpoints.
- Cyclists must start and finish with the same bike.
- Any deviation from these race rules, the spirit or philosophy of the race, or expected rules of fair play, as determined within the sole discretion of the race director, will be treated as a rule violation.
- Smiles, Thank-yous and tips are appreciated at all checkpoints.
- 4 days from start to Finger Lake CP
- 5 days from start to Puntilla CP
- 6 days from start to Rohn CP
- 10 days, 23 hours, 59 minutes, 59 seconds from start to McGrath
- 30 days, 23 hours, 59 minutes, 59 seconds from start to Nome
Missing cut-off times at Finger Lake, Puntilla or Rohn will not result in disqualification, but the racer will be responsible for their own food and lodging.
- Any racer violating any of these rules will be disqualified and will receive a DNF in the official results.
- Disqualified racers will not be permitted future entry into the ITI.