Austin Rattler MTB 1a
Austin Rattler Run 1
Austin Rattler MTB 5
Austin Rattler Run 2

CenturyLink Leadville Trail 100 Run presented by La Sportiva Qualification System

The CenturyLink Austin Rattler Run provides 25 qualifying slots to the CenturyLink Leadville Trail 100 Run presented by La Sportiva, based on the total number of registered runners 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 cutoff time.


  1. Qualification events will be allocated 25 slots, based on the number of registered runners.
    1. 20 slots will be distributed based on performance at the Austin Rattler Run.
    2. Slots will be distributed to each gender and age group (20-29, 30-39, etc.) based on the percentage of total athletes in those age groups, with a minimum of one slot for every age group. The top athletes in each age group will receive the allocated slots.
    3. In the event a top athlete elects not to accept a slot, the slot will roll down to the next athlete in the results, within the age group.
    4. In the event slots are not claimed after the roll down in each age group, those slots will be allocated to the event lottery, as described below.

  2. Five of slots will be distributed through the event lottery.
    1. All finishers under the pre-determined maximum finish time, who have indicated their desire to participate in the lottery, will be entered in the lottery.
    2. Names will be drawn from the eligible lottery athletes and slots will be given out.
    3. In the event an athlete opts not to accept a slot, the slots will roll down to the next athlete that is drawn, until ALL slots have been distributed.

  3. Qualification slots must be claimed in person immediately.

  4. Registration for the Leadville Trail 100 Run must be completed and paid for immediately.

  5. For the 2018 Qualifiers, runners may elect to race in the Leadville Trail 100 Run for 2018 or defer until 2019. Registration will happen onsite for either year and payment will be assessed for 2018 or 2019. Through the registration process, runners will be asked to select the year they prefer to race.

  6. Only solo runners competing the required distance under the allotted cutoff time will be considered as potential qualifiers.

  7. All registration fees for the LT100 are non-transferrable and non-refundable.


Additional LT100 Run qualifiers

If you can't make it to the Austin Rattler Run, test your luck at the following events: