100K50 miles50KComing SoonAravaipa Running
The Bear Chase
Lakewood, Colorado
$175
50 Mile Registration after Feb 28
27
Days Away
About This Race
A 100k, 50 mile, 50k, Half Marathon and the Baby Bear 10k Trail Race at beautiful Bear Creek Lake Park, in Lakewood, CO. An excellent race for first time ultramarathoners and trail runners, runners will experience a variety of challenging terrain and sweeping panoramic views throughout the race.
Key Dates
Registration Closes
Invalid Date
Race Day
Oct 3, 2026
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Pricing
Current Price
$175
50 Mile Registration after Feb 28
Price Progression
50 Mile Registration after Feb 28
$175Feb 28, 2026
Half Marathon Sunday Registration after Feb 28
$105Feb 28, 2026
100K Registration after Feb 28
$195Feb 28, 2026
10K Sunday Registration after Feb 28
$70Feb 28, 2026
50K Registration after Feb 28
$145Feb 28, 2026
5K Sunday Registration after Feb 28
$45Feb 28, 2026
Half Marathon Sunday Registration
$95
50 Mile Registration
$160
50K Registration
$135
100K Registration
$180
10K Sunday Registration
$60
5K Sunday Registration
$40
Race Planning
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