Bolder Boulder

Road Running covering 10 km in Boulder (Colorado, United States)

LocationBoulder, Colorado, United StatesShow on map(40.0150° N, 105.2705° W)
Date & StatusMay 31, 2027Date confirmed
Elevation gainUp to +45 m

Bolder Boulder is an endurance sporting event in Boulder, Colorado, US focused on Road Running. It is part of World Athletics Label. Key features include City Run, Festive.

The competition program features Road Running 10 km (10 km, +45 m D+). The next edition is officially confirmed for May 31, 2027. Official race regulations, course details, and registration information are provided on the organizer's website (bolderboulder.com).

Bolder Boulder in Boulder (Work: "Ute Trail, Rocky Mountain National Park", Photo: NPS, License: Public Domain, Source: Wikimedia Commons)
Cropped to 16:9 (960 × 540 px), WebP

Event characteristics

Races & distances (1)

CompetitionDisciplineDistanceElevation gainAltitude rangeCourse typeCourse & profile
Road Running 10 kmRoad Running10 km+45 m61 m - 80 mLoop courseRoute & profile
Course & Elevation Telemetry

Course route & map

Road Running 10 km10 km
Distance
10 km
Elevation gain
+45 m D+
Elevation loss
-45 m D-
Altitude range
61 m - 80 m
Gradient (Avg / Max)
0.9 % / 1.6 %
Course format
Loop course
10 km+45 m D+
Start (S)Finish (F)
N2468FS40.0150° N, 105.2706° W

Elevation profile & course telemetry

Altitude from 61 m to 80 m above sea level (+45 m D+, -45 m D-)

Peak: 80 m·at 4.4 km·Ø 0.9 %
61 m67 m74 m80 m0 km2 km4 km6 km8 km10 km80 m
Event Information & Answers

Frequently asked questions (FAQ)

When and where does Bolder Boulder take place?

Bolder Boulder takes place in Boulder, Colorado, US (start area at coordinates 40.015° N, 105.2705° W). The next edition is officially confirmed for May 31, 2027.

What races and distances are offered at Bolder Boulder?

The competition program features Road Running 10 km (10 km, +45 m D+). The competitions belong to Road Running.

What is the course layout and elevation profile for Bolder Boulder?

The main competition (Road Running 10 km over 10 km) is designed as a loop course featuring +45 m of elevation gain and -45 m of elevation loss, ranging between 61 m and 80 m above sea level. An interactive course map with route visualization, elevation profile, and GPX export is available in the course section on this page.

Where can I find registration and official race rules for Bolder Boulder?

Official race regulations, course details, and registration information are provided on the organizer's website (bolderboulder.com).