2027 Kentucky Derby Festival Marathon - Apr 24 Countdown

Q: How do you register for the Kentucky Derby Festival Marathon?

Registration is open and first-come — there is no lottery. Sign up online through RunSignUp, where the standard full-marathon entry is around $150. The Derby Festival typically runs occasional discount windows (such as a one-day Global Running Day promotion), so registering early both locks in your spot and can save money. Note the full marathon is open to runners aged 14 and up.

Q: Is the Kentucky Derby Festival Marathon a Boston qualifier?

Yes. The course is USATF-certified and an official Boston Marathon qualifier, and you do not need a qualifying time to enter — registration is open to everyone. A relatively small share of finishers run a BQ each year (about 5% in 2026), reflecting that this is a flat-but-honest course rather than a pure downhill time-trial.

Q: How hard is the course and how much climbing is there?

It is a mostly flat course with roughly 153 m (about 500 ft) of total elevation gain. The one real challenge is the climb through Iroquois Park near mile 11, which reaches the highest point in Louisville before the long, gentle return toward downtown. GPS watches often over-count climbing on rolling park roads, so don't be alarmed if your device reads higher than the official figure.

Q: What is the time limit?

The full marathon has a 6-hour course limit, which works out to roughly a 13:45 per mile (8:33 per km) minimum pace. Because of that pace requirement, walkers are not permitted to register for the full marathon — though the companion miniMarathon (half) has a more forgiving 4-hour, 15:00 per mile limit if you prefer to walk.

Q: Where do I find results and what time does it start?

Results are posted on the official site at derbyfestivalmarathon.com shortly after the race, with live tracking through the timing partner on RunSignUp. The marathon starts early on Saturday morning at 7:00 a.m. local Eastern time from downtown Louisville (the wheelchair division rolls out a few minutes earlier), so plan to arrive with time to park and reach the start corrals.

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Registration opens 2026-09 View official registration →

Race Information

Race	2027 Kentucky Derby Festival Marathon - Apr 24
City	Louisville
Date	2027-04-24 at 07:00
Field Size	~1,502 runners
Time Limit	6 hours
Cutoff pace	8:32/km
Timezone	America/New_York
Official Site	Kentucky Derby Festival

Race Day Weather

Average Temperature	13.9°C / 57°F
Humidity	79%
Wind	19.5 km/h
Rain Chance	44%
Typical Conditions	Mild, humid spring morning with a chance of showers

What to Prepare: Late April in Louisville is pleasant but humid — expect a start around 62°F / 17°C climbing toward the low 70s°F (low 20s°C) by late morning, ~76% humidity, and a roughly 1-in-3 chance of rain. Dress for the early chill but plan for sun and humidity in the back half; carry your own electrolytes if you sweat heavily.

Based on historical averages for race week. Use our Weather Score Calculator and What to Wear Guide for personalized advice.

Wind Impact on Race Day

Wind at 19.5 km/h can affect your marathon pace by 5-15 seconds per kilometer. Headwinds slow you down exponentially — a 20 km/h wind costs more than twice a 10 km/h wind.

Calculate your wind-adjusted pace →

Race-Week Climate

Based on 20 years of race-week weather (2005-2024), MERRA-2 reanalysis

	Cooler	Typical	Warmer
Temperature	8.4°C	13.9°C	19.7°C
Dew point	3.2°C	10.1°C	16.7°C

Wet-day chance: 44% Runnability: 71/100

Data: NASA POWER (MERRA-2 reanalysis), NASA Langley Research Center

Course Profile

Course Type	Loop
Elevation Gain	153m
Terrain	Road (city streets and park roads)
Profile	A mostly flat downtown loop with +153 m (about 500 ft) of total climbing, almost all of it in one stretch: the climb through Iroquois Park near mile 11, the highest point in Louisville. The route passes through the Churchill Downs infield (home of the Kentucky Derby) and the historic Victorian streets of Old Louisville. USATF-certified Boston qualifier with open, first-come registration.
Boston Qualifier	Yes — Check your BQ time

Prepare for 2027 Kentucky Derby Festival Marathon - Apr 24

Use our free training tools to get race-ready:

Running Pace Calculator — Min/km, Finish Time & Pace Chart

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Free Pace Band Generator — Printable Race Day Wristband

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Marathon Wake-Up Time Calculator — Race Morning Timeline

7 AM race, wake at 3:45 AM? Enter the gun time; we work backward through meal, gear, bathroom, warm-...

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Dew Point Running Calculator — Pace Adjustment Chart

Enter temperature and humidity to calculate dew point and its impact on your running pace. 7-zone ch...

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Elevation Gain/Loss Impact Calculator

How much will hills slow you down? Enter elevation gain, loss, and distance to see adjusted pace, di...

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Grade Adjusted Pace (GAP) Calculator — Hills & Strava

Convert uphill or downhill running pace to flat-equivalent GAP in one click. Free grade adjusted pac...

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Frequently Asked Questions

How do you register for the Kentucky Derby Festival Marathon?

Registration is open and first-come — there is no lottery. Sign up online through RunSignUp, where the standard full-marathon entry is around $150. The Derby Festival typically runs occasional discount windows (such as a one-day Global Running Day promotion), so registering early both locks in your spot and can save money. Note the full marathon is open to runners aged 14 and up.

Is the Kentucky Derby Festival Marathon a Boston qualifier?

Yes. The course is USATF-certified and an official Boston Marathon qualifier, and you do not need a qualifying time to enter — registration is open to everyone. A relatively small share of finishers run a BQ each year (about 5% in 2026), reflecting that this is a flat-but-honest course rather than a pure downhill time-trial.

How hard is the course and how much climbing is there?

It is a mostly flat course with roughly 153 m (about 500 ft) of total elevation gain. The one real challenge is the climb through Iroquois Park near mile 11, which reaches the highest point in Louisville before the long, gentle return toward downtown. GPS watches often over-count climbing on rolling park roads, so don't be alarmed if your device reads higher than the official figure.

What landmarks does the course pass?

The route is built around Louisville's signature sights. You run through the Churchill Downs infield — home of the Kentucky Derby and its iconic twin spires — past the Victorian mansions of Old Louisville, through the Frederick Law Olmsted-designed park system including Iroquois Park, and finish near the Ohio River waterfront. It is one of the few marathons that takes you onto a world-famous racetrack.

What is the time limit?

The full marathon has a 6-hour course limit, which works out to roughly a 13:45 per mile (8:33 per km) minimum pace. Because of that pace requirement, walkers are not permitted to register for the full marathon — though the companion miniMarathon (half) has a more forgiving 4-hour, 15:00 per mile limit if you prefer to walk.

What should I wear for race-day weather?

Dress for a cool, humid start. Late-April mornings in Louisville begin near 62°F / 17°C and warm into the low 70s°F (low 20s°C) by midday, with humidity around 76% and roughly a 1-in-3 chance of rain. Singlet and shorts with a throwaway layer at the start is the usual choice; the humidity makes hydration and electrolytes matter more than the temperature alone suggests.

Where do I find results and what time does it start?

Results are posted on the official site at derbyfestivalmarathon.com shortly after the race, with live tracking through the timing partner on RunSignUp. The marathon starts early on Saturday morning at 7:00 a.m. local Eastern time from downtown Louisville (the wheelchair division rolls out a few minutes earlier), so plan to arrive with time to park and reach the start corrals.