Nevada · 100 Miles Race · 50 Miles Race · 48 Hour Race

Sparks Biggest Little Ultra

Sparks Biggest Little Ultra is a 100 Miles Race, 50 Miles Race, 48 Hour Race, 24 Hour and 12 Hour event held in Sparks, Nevada. It was last held on October 9, 2026 and is usually run in October; the next date hasn't been announced yet.

Usually held
October
Location
Sparks, NV

Race details

Last held
October 9, 2026
Usually held in
October
Location
Sparks, Nevada
Distances
100 Miles Race, 50 Miles Race, 48 Hour Race, 24 Hour, 12 Hour, 2-6 Per 6H Relay, 6 Hour, 3 Hour
Course
Flat paved loop course, ~29 ft gain per ~2-mile lap
Registration
runsignup.com
Official website
biggestlittleultra.com

Registration, course & weather

Start time
9:00 AM PDT
Course profile — 100 Mile
Loop course; Road surface; 29 ft gain (official course data)
Course profile — 50 Mile
Loop course; Road surface; 29 ft gain (official course data)
Typical race-day weather
about 54°F at the start, 46% humidity, 3 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026)

About the Sparks Biggest Little Ultra

A fixed-time and fixed-distance ultramarathon on a flat, lit ~2-mile paved loop around Sparks Marina in Sparks, NV, offering 3, 6, 12, 24, and 48-hour options plus 50-mile and 100-mile distances and a 6-hour relay.

More races in Sparks

  • Scheels Turkey Trot
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    2 Miles
  • Sparks Backyard Ultra
    Sparks, NV
    Sparks Backyard UltraMini-Backyard 12 HoursMini-Backyard 6 HoursMini-Backyard 3 Hours

More upcoming races in Nevada

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Guides from the RaceRove blog

Sparks Biggest Little Ultra: common questions

When is the Sparks Biggest Little Ultra?
The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
Where is the Sparks Biggest Little Ultra held?
In Sparks, Nevada.
What distances does the Sparks Biggest Little Ultra offer?
100 Miles Race, 50 Miles Race, 48 Hour Race, 24 Hour, 12 Hour, 2-6 Per 6H Relay, 6 Hour and 3 Hour.
How do I register for the Sparks Biggest Little Ultra?
Registration is handled by the organiser at runsignup.com. Entry fees, caps and deadlines are set there.
Is registration open for the Sparks Biggest Little Ultra?
Registration status as last checked September 25, 2026: open. Listed fee for the longest distance, $160 (from biggestlittleultra.com, checked September 25, 2026).
What time does the Sparks Biggest Little Ultra start?
9:00 AM PDT.
What is race-day weather usually like at the Sparks Biggest Little Ultra?
about 54°F at the start, 46% humidity, 3 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026).