AT THE AID STATION
Water & race fuel
Water and standard ultra aid-station food are provided at base camp. Additional meal options will be announced closer to race day.
October 9, 2027 Suamico, Wisconsin
FOXHOURGLASSULTRA
A 4.167-mile loop, starting every hour. Settle in at Barkhausen, find your rhythm and see how far the day takes you.
Registration opens January 1, 2027 · 8 AM CST
AN EVENT BYFox Family Endurance Events
4.167MILES PER LOOP
60MINUTES TO RETURN
24HOURS MAXIMUM
40RUNNER LIMIT
THE RACE
One hour.
One more loop.
8:00 AM · START9:00 AM · START AGAIN
01
Finish within the hour
Complete the marked 4.167-mile loop before the next hourly start.
02
Be ready to go again
Every loop starts on the hour. Missing a start or the one-hour cutoff ends your race with a did not finish (DNF).
03
Keep going, up to 24 hours
The race may end early when one runner remains. If several reach hour 24, the first to finish that final loop wins.
6 loops25 miles
12 loops50 miles
24 loops100 miles
COURSE & VENUE
Back to
Barkhausen.
Every loop brings you back to the same base camp: your supplies, your crew and the next start.
START, FINISH & BASE CAMPBarkhausen Waterfowl Preserve2024 Lakeview Dr
Suamico, Wisconsin 54173Get directions to the preserve
Explore BarkhausenSuamico, Wisconsin 54173Get directions to the preserve
KNOW YOUR LOOP
- Distance
- 4.167 miles per loop
- First start
- Saturday, October 9 · 8 AM
- On-course supplies
- Carry your own water and fuel. Aid is available at base camp between loops.
Route details to follow
Ask a course or venue questionThe course map, terrain details and runner handbook will be shared when available.
OCTOBER 8–10, 2027
Your race
weekend.
Packet pickup, base camp and the starting corral are all at Barkhausen Waterfowl Preserve.
All schedule times are local · Central Daylight Time
THE FIRST START08:00AM
Saturday, October 9
01 / ARRIVAL
Get your bearings.
Packet pickup
Pick up your race packet and take a look at base camp before race morning.
Packet pickup is at Barkhausen Waterfowl Preserve. Base camp setup is listed for Saturday morning.
02 / RACE DAY
It starts here.
Arrive & set up
Packet pickup, parking and base camp setup.
Runner briefing
Gather in the starting corral.
Three. Two. One.
Three-, two- and one-minute warnings.
The first loop
Every subsequent loop begins on the hour.
Night gear required
Headlamp and reflective vest.
03 / THE FINAL HOURS
See it through.
Final scheduled loop
If multiple runners remain for hour 24, the first to finish the final lap wins.
Awards ceremony
Gather for the awards ceremony.
The race may finish earlier if only one runner remains before the 24-hour limit.
BETWEEN THE LOOPS
Make camp.
Make it your own.
Set up Saturday from 5–7:30 AM. Keep your food, layers and supplies close, so your time between loops is yours to use.
YOUR OWN SPACE
Bring a 10 × 10 canopy
Green space is available for your canopy. Bring weights or weighted buckets to secure it; stakes and camping tents are not allowed.
YOUR SUPPORT CREW
Help between loops
Your crew can help you refuel and reset after a loop and before the next start. No pacers or crew-delivered aid on the course.
AFTER DARK
Headlamp & reflective vest
Both are required from 7 PM. Bring them on race morning for the equipment check, even if your distance goal is shorter.
Keep within reach
Your water bottle or hydration pack, preferred food, spare layers, headlamp and reflective vest. Carry what you need for each loop; no supplies may be stashed on the course.
Coming with a runner?
Plan around their return each hour. For spectator access or parking arrangements, contact the race team before making plans. Dogs are not permitted at the preserve.
A LOCAL EVENT WITH A LOCAL PURPOSE
More miles.
More for Barkhausen.
Event proceeds support the preserve’s programming, trail improvements and related needs. Your entry helps give back to the place that hosts every loop.
Be part of race day.
Help welcome runners and keep the event moving. Visit the volunteer page on RunSignup to get involved.
Interested in volunteeringMEET THE ORGANIZER
Fox Family
Endurance Events
A local nonprofit bringing runners together and giving back to the community.
Connect with the race teamRUNNER QUESTIONS
Know before
you go.
Find the details on race-day preparation, entry policies and the runner handbook.
Ask the race teamRace day & preparation
What equipment is required?
A headlamp and reflective vest are required from 7 p.m. Staff will check the equipment on event morning, so bring both with you at the start of the day.
What food and drinks will be available?
Water and standard ultra aid-station food will be available. Additional meal options will be announced closer to the event.
Have a suggestion? Send it to the race team through the contact form or the event’s Facebook page.
Can I have a pacer?
No. Pacers are not permitted.
When can I receive aid or crew assistance?
You may receive aid after finishing a loop and before starting the next one. You may carry your own supplies on course, but crew members or other non-runners may not deliver aid during a loop.
Do not stash or drop supplies on the course to collect later.
When and where is packet pickup?
At Barkhausen Waterfowl Preserve, 2024 Lakeview Dr, Suamico.
- Friday, October 8, 2027: 5–7 p.m.
- Saturday, October 9, 2027: 5–7:30 a.m.
Is there water on the course?
No. Water is available between loops at base camp. Carry any water you need while on the course.
Can I bring my dog?
No. Dogs are not permitted at Barkhausen Waterfowl Preserve.
What can I set up at base camp?
There is green space for your own 10 × 10 ft canopy. Camping tents and stakes are not allowed. Weighted buckets or jugs are recommended to secure your canopy.
The published setup window is Saturday, October 9, from 5–7:30 a.m.
Registration & event information
How many runners can enter?
The field is limited to 40 participants.
Is there a runner handbook?
The handbook is being prepared. It will be shared through the registration site, email and the event’s Facebook page when available.
Can I get a refund?
Direct refunds are not available. You may transfer your entry to another runner before the published deadline. A qualifying transfer provides a refund only after the replacement runner registers and pays; fees apply.
See the transfer instructions below and the current refund policy.
How do I transfer my registration?
The published transfer policy allows transfers prior to October 1. Check the current policy for the applicable cutoff before arranging a transfer.
- Sign in to RunSignup and open My Registered Races.
- Find this event under upcoming races and choose Manage.
- Choose Transfer to another Runner, complete the required information and select Transfer for Refund.
The original participant pays a $5 transfer fee. The entry fee is refunded less the processing fee only after the replacement runner has registered and paid.
View the full transfer policyWhat do event proceeds support?
Proceeds benefit Barkhausen Waterfowl Preserve, supporting programming, trail improvements and related needs.
OCTOBER 9, 2027
Be at the
next start.
Registration opens January 1, 2027, at 8:00 a.m. CST. The field is limited to 40 runners.
Interested in running?
Explore the entry details and registration dates on RunSignup.
Interested in runningOCTOBER 9, 2027 · 8:00 AM CDT
Fox Hourglass Ultra
Opens January 1, 2027 · 8 AM CST
$145First 10 entries
$155 thereafter.
View registration on RunSignupRegistration and payments are handled by RunSignup. Registration closes October 8, 2027, at 11:59 p.m. CDT, unless the field fills first. See RunSignup for current availability.