Aid Stations

Aid stations are numbered according to the 100-mile course. That means the 50-mile aid stations begin with #7, even though it is the first aid station the 50-mile racers arrive at.
100-mile Aid Stations= #1-10    
50-mile Aid Stations= #7-10

The Butte 100 is, and will always be considered a wilderness race; meaning there is very limited support provided by the race. That said, racers are allowed and strongly encouraged to use  a drop bag of supplies per aid station to meet any and all nutrition and hydration requirements. The Butte 100 organizers have worked hard to provide the most detailed course information as possible in order to aid in your food, water, and fueling decision making.

Any aid station supplies available should be considered supplementary to your drop bag supplies–this includes any mechanical tools or equipment. The Butte 100 will make every effort to provide a range of general nutrition and hydration items; however, the race can not guarantee availability.

Drop bags will be available for pick-up as soon as the aid stations get cleared and return contents to the Start/finish area. Please be aware that Aid Station 9 and 10 drop bags might not be available until after 9:00 p.m.

There is to be no other outside support offered to the racers with the exception of medical assistance. This includes multiple bicycles–the bike you start on is the bike you finish on. Drop bags will be available for pick-up as soon as the aid stations get cleared from the course and return contents to the Start/finish area.

Provided Supplies

Basic First Aid kit, race bibles, water, Hammer Nutrition gels, pre-mixed Hammer Heed sports drink

(there is likely to be an array of additional food and drink that may or may not include trail mix, peanut butter & jelly sandwiches, bananas, cookies, and oranges)

Hwy 2- aid stn 10 highlands as Basin Creek Aid Station

Aid Station Driving Directions

All directions provided here are from the Start/Finish area. Ride time is estimated on a 3-10 mph average speed of the racer and is definitive at all-but can be used to aid in planning. Aid Stations that are not recommended going to, based on access and safety, are noted in the heading. Directions for less accessible aid stations are included for location information and course preriding purposes. Aid stations with red headings are on the north loop, grey on the south. loop Due to instances of narrow and unsafe roads, organizers ask spectators to go only to the aid stations detailed below.

Aid Station #1 & #5 Combination (not recommended for race viewing)

  • ~15 min. drive from Start/Finish  GPS: N 45° 56’2.03”; W 112° 21’45.76”
  • Click image to enlarge map

start to AS 1-5

  • Turn right out of the Start/Finish onto Delmoe Rd. heading away from I-90 (this is part of the race course; we strongly advise not traveling this on race day)
  • Continue on the road for 4.5 miles where there is a course crossing (with a crossing guard)
  • Turn right at the next road, approximately 4.6 miles from I-90
  • Aid station will be located at the fork about 0.2 miles ahead

Aid Station #2

  • ~45 min. drive from Start/Finish
  • 14 course miles to Aid Station; Approximately 1.5-3 hrs. bike time
  • GPS: N 45° 57’23.83”; W 112° 18’30.77”
  • Click image to enlarge map

start to AS 2

  • Take I-90 East about 9 miles to Pipestone Exit #241
  • Turn left (North) under I-90 and take the first left (Delmoe Rd.)
  • Stay to the right at the fork at 2.6 miles from I-90
  • Stay on the most developed gravel road (Delmoe Rd.) for about 6.4 miles from I-90

Aid Station #3 (not recommended for race viewing)

  • ~30 min. drive from Start/Finish ~25 min. drive from previous AS #2
  • 11 course miles from previous aid station; Approx. 1-2 hrs. bike time
  • 25 total course miles to aid station; Approx. 2.5-5 hrs. bike time
  • Click image to enlarge map

start to AS 3

  • Take I-90 East about 9 miles to Pipestone Exit #241
  • Turn left (North) under I-90 and take the first left (Delmoe Rd.)
  • Stay to the right at the fork at 2.6 miles from I-90
  • About 2.6 more miles you will come to an intersection at the 4-Corners trail head (obvious outhouse and parking area); turn right toward the cattle guard
  • Continue past the raised cattleguard and Aid Station #4, and continue approximately 1.5 miles, staying right when the road splits

Aid Station #4

  • ~30 min. drive from Start/Finish  ~10 min. drive from previous AS #3
  • 11 miles from previous aids station; Approx. 1-2 hrs. bike time
  • 36 total course miles to aid station; Approx. 4-6 hrs. bike time
  • GPS: N 45° 56’50.69”; W 112° 16’31.37”
  • Click image to enlarge map

start to AS 4

  • Take I-90 East about 9 miles to Pipestone Exit #241
  • Turn left (North) under I-90 and take the first left (Delmoe Rd.)
  • Take this dirt road about 4 miles
  • Turn right to the Pipestone/4-corners trail head- you’ll see outhouses
  • Continue past  the raised cattleguard about 100 yds

Aid Station #6 at the Start/Finish area

~30 minute drive from previous aid station #4
54 total course miles; Approx. 4-7 hrs. ride time

Aid Station #7 (Thompson Park)

  • ~30 min. drive from Start/Finish  ~20 min. drive from previous AS #6
  • 100-milers: 9 miles from previous aid station; Approx. 1 hr. bike time
  • 50 milers: 12 miles from previous aids station; Approx. 1-1.5 hrs. bike time
  • GPS: N 45° 55’15”; W 112° 24’40.67”
  • Click image to enlarge map

start to AS 7 tpark

  • Take I-90 West for 4.4 miles to Continental Dr., exit #228.
  • Turn left off the exit, head over the overpass, and take the first left on Continental Dr.
  • Continue to the stop sign and turn left.
  • Turn right at the Eagles’ Nest entrance to Thompson Park.
  • Follow the park road to the T, and turn left. Follow the curve to the aid stn.

Aid Station #8 (Basin Creek Park)

  • ~30 min. drive from Start/Finish  ~20 min. drive from previous aid station #7
  • 9 course miles from previous AS #7; Approx. 1-2 hrs. bike time
  • GPS:  N 45° 53’25”; W 112° 28’24.71”
  • Click image to enlarge map

start to AS 8 basin

  • Take I-90 West for 7 miles to exit #127.
  • Turn left off the exit, onto Harrison Ave going South. Follow this past the Hwy 2 turn, Wal-Mart, and airport, to a right veer.
  • Stay right at the veer (curve) onto Basin Creek Rd. Follow this curving asphalt road all the way to the aid station–approx 6 miles; you should see course marking shortly after the road turns to gravel

Aid Station #9 (Highlands CG)

  • ~50 min. drive from Start/Finish  ~40 min. drive from previous AS #7
  • 11 course miles from previous AS; Approx. 2-3 hrs. bike time
  • GPS: N 45° 47’33.30”; W 112° 31’17.30”
  • Click image to enlarge map

start to AS 9 hilands

  • Take I-90 West for 4.4 miles to Continental Dr., exit #228
  • Turn left off the exit, over the overpass, and take the first left on Continental Dr.
    Continue 4 miles to the stop sign and turn left onto Hwy 2
  • Follow Hwy 2 for 2.3 miles to a right fork–it’s obvious, but is unsigned and can sneak up on you. This fork is called Shiloh Ln.-Roosevelt Dr.-or Moose Creek Rd (depending on which map you have)
  • In 2.7 miles, you will come to some houses and an intersection–simply stay straight through this residential area and crossroad intersection
  • Highland Campground is about 6 more slow and curvy miles

Aid Station #10 (Hwy 2)

  • ~35 min. drive from Start/Finish  ~30 min. drive from previous AS #9
  • 9 course miles from previous AS; Approx. 1.5-3 hrs. bike time
  • GPS: N 45° 51’21.45”; W 112° 26’22.53”
  • Click image to enlarge map

start to AS 10 hwy2

  • Take I-90 West for 4.4 miles to Continental Dr., exit #228
  • Turn left off the exit, over the overpass, and take the first left on Continental Dr.
  • Continue 4 miles to the stop sign and turn left onto Hwy 2
  • Follow Hwy 2 all the way to the top of the pass and the CDT trail head parking area just after the second wooden Thompson Park sign
  • The aid station is just up the trail from the parking area