Mobile Menu

  • Home
  • About Us
  • Schedule
  • Registration
  • Results
    • 2022 Results
    • 2021 Results
    • 2020 Results
    • 2019 Results
    • 2018 Results
    • 2017 Results
    • 2016 Results
    • 2015 Results
    • 2014 Results
    • 2013 Results
    • 2012 Results
    • 2011 Results
    • 2010 Results
  • Guidelines
  • Sponsors
  • Contact Us
  • IMBA
  • Email
  • Facebook
  • Instagram
  • Pinterest
  • Twitter
  • YouTube
  • Menu
  • Skip to right header navigation
  • Skip to primary navigation
  • Skip to secondary navigation
  • Skip to main content
  • Skip to primary sidebar

Before Header

  • Facebook
  • Twitter

Wisconsin Endurance Mountain Bike Series

WEMSeries

  • Schedule
  • Event Registration
  • Home
  • About Us
  • Schedule
  • Registration
  • Results
    • 2022 Results
    • 2021 Results
    • 2020 Results
    • 2019 Results
    • 2018 Results
    • 2017 Results
    • 2016 Results
    • 2015 Results
    • 2014 Results
    • 2013 Results
    • 2012 Results
    • 2011 Results
    • 2010 Results
  • Guidelines
  • Sponsors
  • Contact Us
  • IMBA
WEMS Wisconsin Mountain Bike Series race

Thunderdown in the Underdown at Prairie Dells

You are here: Home / 2021 Races / Thunderdown in the Underdown at Prairie Dells
Thunderdown in the Underdown

May 3, 2021 //  by kendra

August 13st, 2022

Location:
Prairie Dells Trail Head
Heineman Road
Merrill, WI

Facebook Event

Registration

Driving Directions

LIVE Results


This is Wisconsin’s Ultimate Lap! The Iron Bull Epic!
Ride the 33 mile lap or a 13 mile adventure from Prairie Dells over 7 daunting hills to Underdown Lake. This WEMS Series event is held in conjunction with the IronBull Underdown Trail Races.

LIVE music, drinks, food and fun!

7:00 – 11:00am: Packet pickup

WEMS Underdown Mountain Bike Races

8:00 AM (Hundred Down)
Long-distance Solo: 3 laps completed between 8AM and Midnight. Riders completing two laps will be scored after riders completing three laps.

9:00 AM (Thunderdown)
Mid-distance Solo: One 33-Mile lap

Long-distance Duo: One 33-Mile lap completed by each rider both starting at 9AM (NOT a tag team relay!)

9:15 AM (Oktoberfest Summit)
Short-distance Solo: One 13-Mile lap. Finish this and change your shoes by 11:30am and earn a free entry to the Oktoberfest Half-Marathon

Mid-distance Duo: One 13-Mile lap completed by both riders starting at 9:15AM (NOT a tag team relay!)

Long-distance Team: One 13-Mile lap completed by all riders starting at 9:15AM (NOT a tag team relay!)

IRONBULL Underdown Trail Running Races

9:30 AM (IRONBULL Prairie Dells 50K Run Start)

10:00 AM (IRONBULL Heineman Hills Marathon Run Start)

11:30 AM (IRONBULL Oktoberfest Half-Marathon Run Start)

W.E.M.S. Guidelines: All W.E.M.S. guidelines will be followed.

Category: 2021 Races

Sponsors

E-Z Window Cleaning logo
Tailwind Nutrition logo
Giant logo
Southern Brazil Adventures logo
Velocity logo
Primal Cycling apparel logo
gary barden design
silent sports magazine logo
Previous Post: «Wild Ride Buzzard Buster Wild Ride Buzzard Buster
Next Post: Northern Kettles Endurance Challenge »

Primary Sidebar

Facebook Feed

Wisconsin Endurance Mountain Bike Series

2 months ago

Wisconsin Endurance Mountain Bike Series
***JUST IN***The 2023 WEMS schedule has FINALLY been confirmed!This year's race line up will consist of 7 races. We hope you can join us!May 13th - Alpine ValleyJune 3rd - Jack LakeJune 24th - Romp in the Swamp (9-mile)July 8th - RASTA Rock N Root (Washburn trails)August 19th - UnderdownAugust 25th/26th - Once in a Blue Moon (night race, Bradley Park, Tomahawk)September 9th - Buzzard Buster - LevisThank you all for your patience while we worked out these final details. Please watch for more info in the weeks to come. Right now we just wanted to get these dates out for everyone so you can get them on your calendar! We can't wait to see you this summer! ... See MoreSee Less
View on Facebook
· Share

Share on Facebook Share on Twitter Share on Linked In Share by Email

Wisconsin Endurance Mountain Bike Series

2 months ago

Wisconsin Endurance Mountain Bike Series
Singletrack fat bike laps of 10, 15 and 23 miles!fb.me/e/305F19nBY ... See MoreSee Less

This content isn't available right now

When this happens, it's usually because the owner only shared it with a small group of people, changed who can see it or it's been deleted.
View on Facebook
· Share

Share on Facebook Share on Twitter Share on Linked In Share by Email

Wisconsin Endurance Mountain Bike Series

3 months ago

Wisconsin Endurance Mountain Bike Series
Home of the Badger State Games February 11th. Great weekend here in January! Groomed trail is fast from Prairie Dells to Dog Lake with a short stretch of postholio by Horn Lake Road. Adventure mindset on snowshoe trail. Closed for warming Monday and Tuesday. Watch for more Heinemania next time. strava.app.link/AwB7pKNuAwb ... See MoreSee Less

That much, Eh?

strava.app.link

Check out my ride on Strava.
View on Facebook
· Share

Share on Facebook Share on Twitter Share on Linked In Share by Email

Wisconsin Endurance Mountain Bike Series

7 months ago

Wisconsin Endurance Mountain Bike Series
It’s almost here! Join us for thr last WEMS race of the season this Saturday! ... See MoreSee Less

This content isn't available right now

When this happens, it's usually because the owner only shared it with a small group of people, changed who can see it or it's been deleted.
View on Facebook
· Share

Share on Facebook Share on Twitter Share on Linked In Share by Email

Wisconsin Endurance Mountain Bike Series

7 months ago

Wisconsin Endurance Mountain Bike Series
Rain Delay Update:Long Distance 12:00pm-7:00pmMid Distance Start: 12:00pm-5:00pmShort Distance Start: 1:00pm-4:00pm ... See MoreSee Less
View on Facebook
· Share

Share on Facebook Share on Twitter Share on Linked In Share by Email

  • Schedule
  • Registration
  • Guidelines
  • About Us
  • Contact Us
  • Sponsors
  • Sitemap

Site Footer

  • Facebook
  • Twitter

Copyright © 2023 Wisconsin Endurance Mountain Bike Series · All Rights Reserved · Powered by Mai Theme