The Mad Irondog Century follows the full Louisville IM 112 mile bike course and made its debut in summer 2009 for Mad Dogs and Tri-athletes wanting to practice and conquer the course.  The 2.4 mile swim in the Ohio river and 26.2 mile marathon run afterwards are of course optional!

Google Map Location of Start

Mad Irondog Century

Start at Waterfront Park, Yellow Lot

Mile

Turn

Road

0

L

out of lot on River Rd

7.2

BR

uphill on Wolf Penn Branch Rd

7.8

L

at light on US 42

US 42 Caution for traffic merging on/off 265 ramp

9.5

S

continue on US 42 past Prospect Point at River Road

DETOUR ALTERNATIVE

7.2

BL

to stay on River Rd and cross closed bridge,

7.3

lift bike over guardrails

8.8

L

at light on US 42 to rejoin route at Prospect Point, you will be 0.7 mile short on cue

16.8

R

Hwy 1694 (out and back spur)

21.9

U

U-turn at "T" with Hwy 329

329 to return back Hwy 1694

27

R

US 42

30.1

R

Hwy 393

34.9

L

Hwy 146

34.9

L

Optional Stop at Marathon C-Store

38.4

X

Hwy 53 in LaGrange (Iron Man viewing area)

42.2

L

Ballard School Rd

44.4

R

Old Sligo Rd

46

R

L'Esprit Pkwy

48.3

L

Hwy 153

49.8

L

US 42

60.3

L

Hwy 393 to start 2nd loop of IM course

65.1

L

Hwy 146

65.1

R

Optional Lunch Stop at Subway 100 yards to right

68.6

X

Hwy 53 2nd time thru viewing area again

72.4

L

Ballard School Rd

74.6

R

Old Sligo Rd

76.2

R

L'Esprit Pkwy

78.5

L

Hwy 153

80

L

US 42

90.5

S

to continue on 42 back to Louisville

93.2

Optional Stop at Skylight Center C-Store

102.7

R

Wolf Pen Branch Rd

103.3

S

merge with River Rd at stop sign

110.4

R

back into Yellow parking lot

111.8

S

keep going if you're a purist and want go to IM transition area on Great Lawn

Mad Iron Dog Century

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