The Biggest Little Ultra

Sparks, United States • 9-11 Oct 2026

Event Overview

The Biggest Little Ultra is a multi-day endurance event held in Sparks, near Reno. The race is designed for both runners and walkers and features a variety of endurance formats over a two-day period. Participants navigate a flat and safe course, making it a functional environment for those aiming to reach specific distance or time milestones.

Participants can choose between fixed time and fixed distance categories:

  • 3 hour race
  • 6 hour race
  • 12 hour race
  • 24 hour race
  • 48 hour race
  • 50 mile race
  • 100 mile race
  • 6-hour relay for teams of up to six members

The event aims to introduce more people to long-distance movement, providing a 3-hour option specifically for those transitioning from shorter events to ultramarathon distances.

The event supports a local cause, with a portion of the proceeds donated to Liberty Dogs, a non-profit organization that trains service dogs for disabled veterans. The course is situated near a lake, providing a clear route for all distance and time categories. Visit the organization's website for the most recent information.

Race information

100 mi
100 Mile
50 mi
50 Mile
48 Hour
6 Hour
6-Hour Relay
24 Hour
3 Hour
12 Hour
Visit the organization's website for the most recent information.
Trail runs nearby

Trail races in Reno offering 50 mile, 50 kilometer and 13.1 mile courses on dirt trails and roads. The courses feature substantial climbing and descending and start and finish at Rancho San Rafael Park.

A dog friendly 5K and 1 mile event at North Tahoe Regional Park with an expo, non competitive activities, and a fundraiser supporting local animal rescue and veterinary care.

Test your endurance at the Sparks Marina in a last person standing competition. Run 4.167 mile loops every hour or choose from timed mini backyard options ranging from 3 to 24 hours.

A July 4 trail event at North Tahoe Regional Park finishing on Tahoe Vista Beach, offering 5K and 10K distances, a finish-area costume contest, post-race music and food, and age-group awards.

Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.