> The 33rd Presentation > Event Information > The 21-Miler

The 21-Miler


Registration is now open on a first-come, first-served basis.

RACE DATE April 29, 2018

$140 from 9/1/17 through 12/31/17
$155 from 1/1/18 until sold-out

REGISTRATION  Registration will be conducted on a first-come, first-served basis beginning at 9:00 AM on September 1, 2017.

The 21-Miler course will close at 1 PM when the road will reopen to regular two-way vehicular traffic.  There will be NO support of any kind on the course (aid stations, medical, communications, etc.) for anyone not maintaining a 6:30-hour pace. Those who do not reach marathon mile 21.2 by 11:50 AM will not be allowed to proceed past that point and will be provided transportation to the finish. No finish medallions or official times will be provided for anyone finishing over 6:30 (chip time).


Andrew Molera State Park, 5 miles north of the Marathon start. You must ride a bus to the 21-Miler start from two Monterey Peninsula locations or from Big Sur.

To view a map  of the start area, click HERE.


The 21-Miler finishes at the Marathon Finish Village, Highway 1 and Rio Road in Carmel. 


Online entries will be confirmed by e-mail from Active.com. If you have spam filters and/or firewalls in place, we cannot guarantee you will receive this email. 

Entries may be confirmed online HERE if you did not un-click the box allowing your information to be searchable at Active.com during the registration process. Your name will not show if you are under age 18 or you were registered by someone else.


Per the marathon running industry policy, all entry fees are non-refundable and non-transferable. This policy applies to all entrants and is in effect whether you are injured, have an unexpected family/business emergency, have a medical emergency, etc. If the course has to be changed or the race cancelled due to an act of nature, there are no refunds or rollovers. There are NO exceptions.

You do have the option to purchase "Booking Protect" through Active.com at the time of registration. To learn more about registration protection, click HERE.

Your 2018 entry fee IS NOT TRANSFERABLE to 2019. You do not need to inform us of your cancellation. If you do cancel, you may take the amount of your entry fee as a charitable donation on your income tax return. The Big Sur International Marathon is a 501(c)(3) non-profit organization.


If you wish to downgrade to a shorter distance event in 2018 due to injury, limited training, or other reason, we now have a downgrade request window. Downgrades are limited (all race distances sell-out) and available first-come, first-served between February 1 and March 15, 2018 only.  There is a $30 downgrade administrative fee and original entry fees are non-refundable. To request a downgrade, email sally@bsim.org between February 1 and March 15, 2018. Please provide your original event and your requested event distance.

There will be no further downgrades available after March 15 or during race weekend. No exceptions.


Participant shirts are gender specific. Sizing as follow:

Women's Sizing

Size XS(4-6) S(6-8) M(8-10) L(10-12) XL(12-14)
Chest 32"-33" 34"-35" 36"-37" 38"-39" 40"-41"

Men's Sizing

Size S M L XL      XXL
Chest 36"-38" 39"-41" 42"-44" 45"-47"    48"-50"
TIMEKEEPING & PACE Timing will be provided by SVE Timing. Your timing tags will be attached to your bib and should not be removed.
ENTRIES & ELIGIBILITY The 21-Miler is open to the first 1,000 entrants, to anyone 16 years of age or older, and those capable of walking or running 21 miles over a hilly course at a brisk pace (an 18:30 minute mile). This is a NON-COMPETITIVE timed fitness event with no awards. Finisher medallions will be given to all who finish within the six and a half hour time limit. Sorry, no animals, pacers, skates, skateboards, bikes, baby joggers or children/infants in backpacks allowed on the course. No bandits. No exceptions.

Our permit from the California Dept. of Transportation limits the 21-Miler to a maximum finishing time of 6 hours and 30 minutes, a pace of about 18:30 mpm (minutes per mile). The following rules will apply to all participants:

Finishing Time of 6 hours and 30 minutes or less:
Participants that finish the 21-Miler under 6:30 hours (chip time) will be presented with the Big Sur International Marathon 21-Miler finishers' medallion and be listed in the online Official Results Book.

Finishing time of more than 6 hours and 30 minutes:
Because Highway 1 is open to two-way traffic immediately following the official close of the race at 1:00 PM, all aid stations must be dismantled and removed from the course prior to the reopening of the highway. This means that there will be NO SUPPORT (i.e., no water, no medical personnel and no communications personnel) for race participants on the course once the aid stations have been dismantled. Finish medallions, times, or refreshments are only available for those finishing under 6:30 (chip time).


Because of safety concerns, if a participant has not reached Mile 21.2  (of the marathon course) by 11:50 AM, he/she will not be allowed to proceed.


Transportation will be provided to finish area for those race participants who have not reached  mile 21.2 in the time allotted.

An early start is not available. The 21-Miler begins with one start at 6:30 A.M.

For a map of the 21-Miler course, click HERE.

Start elevation:  64'
Finish elevation: 10'
Total elevation gain: +2,060'
Total elevation loss:  -2,114'



We do not allow the use of iPods, headphones, ear buds or other MP3 or headphone devices in any of our events. We believe using an audio device will compromise your safety and that of others by hindering your ability to hear verbal instructions or commands from race officials including course marshals on bicycles or to hear vehicles in the lane next to you or emergency vehicles on the course. You are sharing a narrow lane with runners of different speeds completing different race distances. In addition, there is live traffic in the land-side lane of Highway 1 during the race. You must be aware of your surroundings at all times

Because the safety of all of our participants and volunteers is our first priority, we ask that you leave your headsets at home and instead let the incredible scenery, music we provide on the course, and your fellow runners serve as your motivation and inspiration.

GOODIES A gender specific sized technical fabric shirt featuring an original design to all entrants, and ceramic medallions for all official finishers, pre- and post-race refreshments.
WALKING CLINIC Presented by Jeff Galloway
Saturday, April 28, time to be determined.