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Rudolph's Revenge 2026

Date
Saturday, December 12, 2026
Start time
10:00 AM start (Chicago)
Entry fee
From $75 · goes up to $105 on Nov 12, 2026
Included with entry
Includes socks
Fundraising
Takes optional donations when you register
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Registration is open.

Likely to sell out. 118 finished the Mountain Bike in 2025, and this year's cap is 130.

We earn a small commission when you register through this link, at no cost to you. Details

Official race website

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Events and entry fees

EventDistanceWhenEntry feeCap
30 Mile Geared (1 Lap of IDB Trail)Mountain BikeDec 12, 202610:00 AM$95$105 after Nov 12, 2026130
30 Mile Junior Under 13 (1 Lap of IDB Trail)Mountain BikeDec 12, 202610:00 AM$75$85 after Nov 12, 20266
30 Mile Single Speed (1 Lap of IDB Trail)Mountain BikeDec 12, 202610:00 AM$95$105 after Nov 12, 202615
40 Mile Geared (2 Laps of IDB Trail)Mountain BikeDec 12, 202610:00 AM$95$105 after Nov 12, 202670
40 Mile Single Speed (2 Laps of IDB Trail)Mountain BikeDec 12, 202610:00 AM$95$105 after Nov 12, 20266

Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.

Register on RunSignup

The Mountain Bike fee goes up to $105 on Nov 12, 2026.

Race day planning

Entry fee schedule

  • 30 Mile Geared (1 Lap of IDB Trail) and 30 Mile Single Speed (1 Lap of IDB Trail) and 40 Mile Geared (2 Laps of IDB Trail) and 40 Mile Single Speed (2 Laps of IDB Trail): $95 until Nov 12, then $105 until Dec 4, then $125 until Dec 12.
  • 30 Mile Junior Under 13 (1 Lap of IDB Trail): $75 until Nov 12, then $85 until Dec 4, then $105 until Dec 13.

Online registration closes Dec 13, 2026, unless the race fills first.

Light and altitude

Sunrise on race morning is at about 7:21 AM, and the 30 Mile Geared (1 Lap of IDB Trail) starts at 10:00 AM.

Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.

Start location and course

3800 FM428, Aubrey, TX 76227

The pin marks the address the race lists, which is usually the start. Course maps are the organizers' own.

30 Mile Geared (1 Lap of IDB Trail)

118
finishers
2:53:13
median (5:46 /mi)
1:58:29
winning time
6% / 94%
women / men
median 2:53:132:07:304:32:00
Finish times, fastest to slowest. Each bar is a slice of the field; the dashed line is the median.

40 Mile Geared (2 Laps of IDB Trail)

55
finishers
3:39:54
median (5:30 /mi)
2:59:24
winning time
–
women / men

Aggregated from official results (DFW Series Racing) for Rudolph's Revenge. Individual finisher names are not stored here.

How fast do you need to be at Rudolph's Revenge?

At the 2025 30 Mile Geared (1 Lap of IDB Trail), the fastest tenth finished in 2:18:20 or better, the top quarter in 2:32:47, and half the field in 2:53:13; the last tenth came in after 4:05:48.

At the 2025 40 Mile Geared (2 Laps of IDB Trail), the fastest tenth finished in 3:11:22 or better, the top quarter in 3:24:54, and half the field in 3:39:54; the last tenth came in after 4:16:32.

Third place by age group, 2025 30 Mile Geared (1 Lap of IDB Trail)
AgeWomenMen
30-39n/a2:13:19
40-49n/a2:12:35
50-59n/a2:29:49
60-69n/a2:44:25

Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.

What would my time get me?

Where a finish time would have placed in 2025.

Finishers by year

Up 99 percent since 2021.

All events combined, from official results.

Rudolph's Revenge Mountain Bike year by year

From 2021 to 2025, the field went from 49 to 118 finishers, and the median time dropped from 3:03:35 to 2:53:13.

YearFinishersMedianFastest tenthWinner
2025118 (-2%)2:53:13under 2:18:201:58:29
2024120 (+38%)2:55:04under 2:25:322:11:43
202387 (+78%)2:40:45under 2:18:132:05:33
2021493:03:35under 2:20:142:11:54

From each year's official results for the Mountain Bike; virtual options are left out.

Race details

Where
3800 FM428, Aubrey, TX 76227Map
Course
Road
Included with entry
DFW Series Exclusive Event Socks
Donations
Accepted when you register
Distances
Mountain Bike
Editions
2026 (Dec 12, 2026), 2025 (Dec 13, 2025), 2024 (Dec 14, 2024), 2023 (Jan 7, 2023), 2021 (Dec 18, 2021)

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Quick answers

When is Rudolph's Revenge?
Saturday, December 12, 2026, starting at 10:00 AM.
How much does it cost?
Entry starts at $75 before processing fees, and rises to $105 on Nov 12, 2026.
When does registration close?
Online registration closes Dec 13, 2026, unless the race fills first.
Do athletes get a shirt or medal?
Entry includes socks, according to the race's registration page. Check it for sizes and whether kids' races get the same.
Can I donate to a cause when I register?
Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
What distances are offered?
Mountain Bike.
How big is it, and how fast?
In 2025, 118 athletes finished the 30 Mile Geared (1 Lap of IDB Trail); the median finish was 2:53:13 and the winner finished in 1:58:29.
Does it sell out?
It can. 118 athletes finished the Mountain Bike in 2025, close to this year's cap of 130, so register early.
Where does it start?
3800 FM428, Aubrey, TX 76227.
Is there a course map?
Yes, the organizers publish the route on Ride with GPS; the link is under Start location and course.

From the organizers

Rudolph's Revenge Endurance MTB Challenge

Rudolph's Revenge is a 30, or 40, mile race on some of the toughest singletrack in North Texas combined with super fast fire road. The 30 mile race will take roughly a little over 2 hours to finish and has roughly 1,500 feet of technical climbing. The 40 mile race will take roughly 3 hours and cover 2,500 feet of elevation change. Terrain at the Isle Du Bois State park is challenging and rocky, the multi-use trail getting from greenbelt to state park varies in conditions and includes very challenging sand portions. State Park entry fees are included in registration.

Rudolph's Revenge Endurance MTB Challenge: Route Details HERE

Read the full description on RunSignup