JUNE 13, 2020


Run through the historic mining district’s challenging old mining roads and trails, and hit a high of 13,185 feet at Mosquito Pass during the Leadville Trail Marathon or Heavy Half Marathon. The views will leave you breathless, if you’re not already. The marathon will mark its 19th year in 2020, while the Heavy Half will mark its 15th.


Each Leadville Qualifying Series race provides 25-100 qualifying slots to the Leadville Trail 100 Run presented by La Sportiva, based on the total number of registered racers at each qualifier event. Half of the qualifying spots will be allocated based on the top age-group performances and half will be drawn among runners who have finished the qualifier race within the allocated cut-off time.

Qualifying slots will be distributed at the Awards Ceremony. Qualifying slot winners MUST BE PRESENT, as the roll-down qualifiers rule will be in effect at each event. All qualifier slots will be awarded and redeemed on race day. You must pay your entry to the LT100 Run within the three days after the event. You will have the option to register for the current year or the following year’s LT100 Run and must decide when accepting your qualification slot. All entries into the LT100 Run are non-transferrable.

> Visit our LT100 Run Qualification System page for more information


Pricing for 2020 Leadville Marathon:

1/19-1/26 $115
1/26-5/31 $125
6/1-6/11 $135
On-site registration* $155

Pricing for 2020 Heavy Half: 

1/19-1/26 $95
1/26-5/31 $110
6/1-6/11 $120
On-site registration* $130

*On-site registration will only be available if events are not sold out.

Military and student discounts are offered for our Leadville qualifier events. Please email a photo of your current card to leadville@ltevents.zendesk.com while specifying which event you are inquiring about.

Our 2020 Leadville Trail Marathon and Heavy Half schedule is not yet finalized. Please check back for updates.

Our 2020 Leadville Trail Marathon and Heavy Half Athlete Guide is not yet finalized. Please check back for updates.

View the 2019 Athlete Guide for reference here.

If you have registered for the 2019 race but are unable to participate, you may defer your registration to next year’s event for a fee. ** Due to course changes, athletes may defer their registration up until Thursday, June 13th. ** Your deferral code is only valid for the following year’s event while registration is open. It is no longer valid after an event closes or sells out.

To sign up for a deferral, log into your Chronotrack account and follow the steps below:

  • Step 1: Once you are logged in, click on “Change Race” in the upper right corner.
  • Step 2: Click on “Defer my registration for another event.”
  • Step 3: Click “Continue”
  • Step 4: You will see the fee to change – click on “Proceed to Checkout”
  • Step 5: Enter in your payment information.

Note: If you deferred a 2019 registration, you will receive an email with your deferral code for the 2020 event. Please keep this in a safe place to register with when we open our 2020 event registration! Deferring from the 2019 race does not automatically register you for 2020’s race. You must re-register using the code sent from Athlete Services. If you have any questions about the deferral process, please contact Athlete Services.

*UPDATED* (as of June 12) – The 2019 course has been re-routed due to extreme snow conditions.  Snow pack as of June 1 was 202% of normal and quite simply Mosquito is not possible this year – we do still have iconic courses that will challenge you and offer great views of the snow capped mountain ranges.

2019 RE-ROUTED HEAVY HALF COURSE  – 15.1 miles, 2,652′ gain, 11,710′ max

2019 REROUTED TRAIL MARATHON COURSE – 26.2 miles, 4,033′ gain, 11,710′ max

Heavy Half Re-Route

The re-routed Heavy Half course is an out and back course utilizing a combination of county dirt roads, trail and some small sections of asphalt.  All runners will start and finish on 6th Street as usual.  Runners will have access to two aid stations, which they will hit twice, for a total of 4 aid stations.

Marathon Re-Route

The re-routed Marathon course has a combination of out and back segments as well as two loops.  Runners will be running on county dirt roads, trail, small sections of asphalt and a teeny tiny section of the Mineral Belt Trail.  Marathon runners will also take in the Resurrection aid station, and get a clear view of Mosquito from the base of HopeMore mine.  After runners have completed the out and back section to HopeMore, they will turn left on 2A where they will share the course with Heavy Half runners for the rest of the day.  Take a moment to soak in the views at Iowa Gulch.  Runners will have access to four aid stations, two of which they will hit twice, for a total of 6 aid stations.


~6.2miles – Resurrection – full aid station
~11.3 miles – HopeMore – water/light snacks
~13.1 miles – Adelaide – full aid station
~16.6 miles – Iowa Gulch – full aid station
~21.7 miles – Iowa Gulch – full aid station
~24.0 miles – Adelaide – full aid station

Heavy Half
~2.3 miles – Adelaide – full aid station
~5.6 miles – Iowa Gulch – full aid station
~12.7 miles – Adelaide – full aid station
~10.7 miles – Iowa Gulch – full aid station

All finishers receive a finisher medal and commemorative coffee cup. The Heavy Half Awards Ceremony will take place at 1 p.m. at the Start/Finish, while the full Marathon Awards Ceremony will take place at the Start/Finish at 5 p.m. Include staying for the awards in your race day plans. Age group awards are also awarded at this time.

Online award shipment will close on October 31st, 2019. If you would like your award after this date, please email Kelsey Conine (kconine@lt.life) to have your award shipped to you.

*Please note that 2019 awards will not be shipped until the end of our race series season, September 2019.

Our races are Zero Waste events. Look for recycle and compost bins at every aid station and start/finish. Please discard any waste in an appropriate container. Intentional littering on the course will be grounds for disqualification. The course—on trails both public and private—travels past many historic sites and through areas of exceptional beauty. Help us keep them pristine.

From the very beginning, volunteers have made the Leadville Trail Marathon & Heavy Half possible. We truly appreciate all that our great volunteers do to make our races run smoothly and to make the racers’ experience unforgettable. If you are going to be in town for the Trail Marathon & Heavy Half, we would love for you to join the family and pitch in. Thanks in advance for your help — we couldn’t do it without you!

Click HERE to learn more!

Click here to view results from the 2019 Leadville Trail Marathon & Heavy Half

Visit the link below to view historical results from the Leadville Trail Marathon & Heavy Half Marathon.

Historical Results