The Bullfrog Splashdown
About this race
Run the Race. Stay for the Party.
Pick your distance
Running
10k Run (Timed)
5K Run (Timed)
Bullfrog Hot Lap (Kids 1.5 Mile)
Open to ages 6-12 at time of the event.
Bullfrog Relay (Fun Team Event)
Typical race-day weather
Based on 2 years of historical conditions on this event's race dates in Littleton.
Course
Route map and elevation profile
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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Other races near Littleton
Different organizers, within 40 miles, in the next three months
Glow & Roll: Illuminate What's Possible
Gobble Wobble Run 2026
Running Scared 5K/13K - Denver
Miles 4 Madison 5K & 1K
🏃 Plan Your Next Race in Littleton
Find upcoming events by distance:
- Littleton 5K Races 23 races
- 10K Run Events in Littleton 7 races
- Littleton Half Marathons 6 races
- Littleton Running Calendar 2026 27 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 32 Littleton events
Spotted something wrong? Tell us and we'll fix it.