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100 hr3 days200 mi48 hr100 mi24 hr12 hr50K

Front Range Ultra Dayze

Loveland, ColoradoUltraverse SupplementsField of 150
50K entry
$120
Aid stations
1
Days to go
315
Registerultraversesupplements.com

At a glance

Date
Sep 2–6, 2027
Location
Loveland, Colorado
Distances
100 hr, 3 days, 200 mi, 48 hr, 100 mi, 24 hr, 12 hr, 50K
Aid stations
1, 1 with crew access
Registration
See ultrasignup.com

Listed from RunSignUp. Checked Oct 18, 2026.

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About this race

Front Range Ultra Dayze is a multi-distance and timed ultra-running event in Loveland, Colorado, featuring races from 12 hours through 200 miles on a 2-mile loop. The loop is approximately 80% dirt trail and 20% pavement.

Key dates

Race day

Sep 2, 2027

315d

Pricing

100-hour

After Dec 31

$495

72-hour

After Dec 31

$395

200-miler

After Dec 31

$380

48-hour

After Dec 31

$300

100-miler

After Dec 31

$265

24-hour

After Dec 31

$235

12-hour

After Dec 31

$175

12-hour night race

After Dec 31

$175

50k

After Dec 31

$120

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Registration openings and major changes, like a new date or a cancellation.

Aid stations

1

Entry transfers

Can't race, or need an entry? Post it here so nobody has to ask if it's still available.

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Tune-up races

  • Samson's Revenge

    May 22, 2027Estes Park, CO50K, 25K +1

    50K, 15 weeks before race day, 26 mi away

  • Valkyrie Trail Race

    May 8, 2027Colorado Springs, CO50K, Marathon +4

    50K, 17 weeks before race day, 116 mi away

Straight-line distance

Similar races

  • Colorado 24 Hour Run

    Nov 7Fort Collins, CO24 hr, 12 hr +1

    13 mi from Front Range Ultra Dayze, registration open

  • The Summit 200

    Jul 26, 2027Frisco, CO

    71 mi from Front Range Ultra Dayze, similar trail technicality to Front Range Ultra Dayze

  • Hell Creek 100

    Oct 30Sylvan Grove, KS

    Also by Ultraverse Supplements, a similar entry fee ($75), registration open

Straight-line distance

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Race planning

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