Antelope Causeway Half Marathon, 10K, 5K & Duathlon

Run the Causeway of Antelope Island the best time of the year. Do a Half, 10K, 5K or Duathlon.

This is a great race to kick of the Multisport race season with a bike first the run on the Antelope Island. Similar to a triathlon without the swim. 

Preliminary Agenda

Packet Pickup

Thursday April 2, 2026 

-5PM to 7PM @ TBA

Race Day

Friday April 3, 2026 

-7:30AM to 8:30AM Last Chance Packet Pickup & Body Marking @ Antelope Island Marina ($5 fee for picking up this day)

-8:30AM Race Director Orientation 

-9:00AM Start All Distances

-10:30AM Awards Ceremony

-11:30AM Start to Sweep Course

Mailing Address: 5859 Cottonwood Canyon Road, Morgan Utah 84050

Toll Free: 866-789-RACE(7223) Sorry no texting this number. (Only Available during office hours Tues to Thurs 10AM to 4PM)

Live Chat with Us: https://tawk.to/chat/5b8495e7afc2c34e96e7f5d8/default   Please limit these chats to simple questions. Try email after these hours: (Chat Available MON-SAT 8AM to 6PM - After these hours it will have a message to email us and we may not get back with it in a timely manner.)

Email: info@onhillevents.com  (We try to answer these questions during and after hours) In Subject Line List Race Name - Then Subject (Ex: Drop13 - What time does the race start?)

Our office hours are Tuesday to Thursday from 10AM to 4PM if you wish to reach us via phone. We work most Saturdays so we take Mondays off and Fridays are generally used to set up the course so you can try to reach us then if we are in range. 

We have moved the Legacy Duathlon to Antelope Island and have a new great course. This will be great with all the construction on Legacy it will be a more scenic race. 

Sprint/Short is Bike 11 Miles, Run 3.1 Miles

Olympic/Intermediate Bike 22 Miles, Run 6.2 Miles

Bike Course

Sprint you turn around at Mile 5.5 instead of Mile 11. 

https://www.mapmyrun.com/routes/view/5885612275/ Interactive map. 

Run Course 

Run Olympic is turned around at 3.1 Miles

Run Sprint is turned around at 1.55 instead of 3.1 

https://www.mapmyrun.com/routes/view/5885610112/ Interactive Map

Run Only Causeway Course Run - Half Marathon, 10K, 5K

All three distances are using the same route however the 5K will turn around at the first aid station at Mile 1.55, 10K at the second aid station at Mile 3.1 Miles and the Half will do the exact map above for 6.55 then turn around and come back. There is another aid station for the Half at Mile 4.65 on the run. The aid stations will be available on the way back as well. 

If you purchased Race Insurance at the time of registration for the small fee you can claim Race Insurance 

Link on Filing Claim:  https://www.fanshield.com/file-a-refund-request  

Email RegShield with Questions: help@fanshield.com   

Video on Filing Claim with Regshield: https://youtu.be/D5O-IdHGfwE  

Items Covered:

Sponsoring a race is great. You can put up a booth at the packet pickup and/or finish. You can put up banners on the course or on the website. Facebook posts and email blasts reach all the participants. Sponsoring a race can be a low cost way to reach a good group of racers or give this group of a racer a commercial directed at you or your business. Each race On Hill Events produces has different participation size. For this reason On Hill Events varies costs on sponsorship based on the size of the race. The most effective way to sponsor a race is to sponsor On Hill Events. This way your sponsorship reaches around 10,000 racers annually in several areas as far as Idaho to Southern Utah and even Southern California. Ask us about our sponsorship via this email: info@onhillevents.com  

Best Western CottonTree Inn in NSL and Hampton Inn Woods Cross at the two best hotels in the area to stay for this race. 

No Refund Explanation and Options:

Many racers have questions about refunds. Around 3 days prior to a race we have racers bombard us with the question can I get a refund. They all have justified reasons in their minds ranging from a family event came up (wedding, funeral, vacation), or related to their body (illness, injury, poor training). Though our policy is firm "No Refunds" people still ask. Even though we have racers sign this policy at time of registration, they still ask. Not to diminish your situation but pretty much every race company has a similar policy to "No Refunds". The reason for such a policy is not to be heartless but to be able to stay in business. If you register we buy you things like t-shirts, medals, food, permits for race, bus seats, support, and more. If we offered refunds within 72 hours prior to the race we would lose the money we spent on your shirts, bus, medals and food. You may feel that permits we can get refunded on but even permits have scalable fees based on how many racers are signed up. Drop13 pays the US Forest Service 5% of our gross not net fees to them. 

Unlike other race companies, we strive to offer other options that can help you out. An example is we buy medals 60-90 days in advance. Tshirts 10 to 30 days in advance. Food 7 days in advance. Buses 60 to 90 days in advance. Volunteers 7 to 60 days depending on Paid Groups or individual volunteers. Permits are started 9 to 12 months in advance. Because some things have some flexibility and we can recover some we offer options other race companies do not like Deferrals and Transfers up to 15 days prior to the race for a fee (see Refund Policy)  We also offer Race Insurance at the time of registration for only $2.99 to 8.1% of your race fee depending on your race fee which covers most situations that may arise. We strongly recommend signing up for this insurance at registration time because race fees grow as race day approaches. Many racers will wait to register to confirm a weather will be good race day and do not account for race fees increasing around 30% between registration starting 9 to 12 months out and race day fees. Insurance covers Severe weather.

Other Options if within 15 days before race day:

Utah Race Saver (Not affiliated with On Hill Events) 

If you did not purchase Race Insurance at the time of registration or are within the 15-day option for deferrals or transfers your only option is to give or sell your bib to another racer. It is your responsibility to sell or give your bib to another racer. We do not handle the transactions or sell them for you. If you do not know who can purchase your bib you can post it on the Facebook group Utah Race Saver https://www.facebook.com/groups/utahracesaver  to sell it. Often you can sell it for less than what it is currently being sold at because the fees go up the closer the race gets. Reminder all exchanges via email to us at info@onhillevents.com  must be finalized 96 hours prior to race day or you will incur a $5 transfer fee and must be done the day prior at packet pickup. Just have the person you gave or sold it to come to packet pickup the day prior with $5 cash. At 96 hours prior to race day we stuff and label race packets. 

Results

2010 Runnercard
2011 Runnercard
2012 Runnercard
2013 Runnercard
2014 Runnercard
2015 Runnercard
2016 On Time Racing
2017 On Time Racing
2018 On Time Racing
2019 On Time Racing

2021 On Time Racing 

2022 On Time Racing

2023 Live Results
Photos

www.onhillevents.smugmug.com

Options Below:

1 - Transfer Race Bib to another Racer (Free up to 96 hours prior to Race, $5 thereafter at Packet Pickup)

2 - Deferrals and Transfers cost $15 and must be done 15 days prior to Race (This can only be done once)

Deferral - This race registration moved to this race the following year.
Transfer - This race to another On Hill Events race in the next 12 months and credits what you paid minus fees & taxes.

3 - Race Insurance - Cash Refunds if you purchase Race Insurance at the time you registered (Minus taxes & fees).

*These options must be done by using the Self Management Tool in the Upper Right Hand Icon of all our websites and prior to the 15-day deadline. We can assist via email or phone but the Deferral/Transfer must be done yourself 15 days before race day regardless if you emailed us or left a message before the 15-day Deadline. Check out the Contact Us page for Step-by-step instructions.

Referral Program is a great program we do. Refer 5 friends and get 100% back on your credit card. No longer is it 10% per referral but 100% for 5 which is more. 

We do not do any of these programs manually or else we would be like all other race companies and not offer them. They are too difficult to manage manually and open us up for errors in timing. If you wish to participate in one of these programs you must do so electronically before the deadlines. Emailing, Texting us or phone call or voicemail does not count as notifying us before the deadline. If you do not know how to do one of these programs we are happy to help explain how to do them yourself but they still must be done electronically yourself before the deadlines. If you need help please contact us well before the deadlines, so you do not miss the deadlines.  

Edit Registration, Defer Program, and Referral Program are accessed via signing into RunSignUp and selecting these options.

This is a great tutorial to help with all other items: https://help.runsignup.com/support/solutions/articles/17000062920-view-edit-a-registration

Edit Registration, Defer Program, and Referral Program are accessed via signing into RunSignUp and selecting these options.

The On Hill Events volunteer program is great! Within a week following the race, volunteers will receive an email with a code on it good for the credit you earned towards a future On Hill Events race within 13 months of the time you volunteered. Volunteer duties are selected by the volunteer and include aid stations, turn aids and finish line help. They are always fun and never require heavy lifting. Credits are fully redeemable by anyone and can be given as a gift. 

Race Results - Timing Via Timing Chips on back of race bibs. Chip Start and Finish. Results are live via your smart phone or tablet as long as WIFI is working. We can print them or give you access to our tablets as you finish as well. 

Electronic Race Packets - We do race Electronic Race Packets. These are emailed 5 Days prior to the race. If you register after 5 Days prior there are links in your confirmation email or on the agenda page. We do Electronic Race Packets for two reasons. One printing them are a huge amount of waste and two it is a lot of work to stuff these in the packet for a less effect reach to participants. 

T-Shirt Nextlevel Multiblend with Custom Race Design (Upgrade from old Tech)

High End Custom 4"  Finisher Medal unique to this years race.

Saggin Wagon

Custom Bib Number. Bike, Helmet, Body Bid numbers

Fully supported Course (Aid Stations every 2 miles (starting at mile 3 for the marathon) or less with Water, Powerade, Cups, Volunteers at stations, Potties at Mile 3 and every 2 miles)

Overall Plaques - Top 3 Male/Female in each distance. 

Food at Finish - Water, Powerade, Oranges, Bananas, Peanut Butter Sandwich, Candy.  If Temps above 60 degrees Fatboys Ice Cream, below 60 degrees Hot Chocolate. 

Race Photos - Free for personal use. Download them at https://onhillevents.smugmug.com/ We do not guarantee every person a photo. If you want a photo find out photographer with the Yellow Vest and have them take a pic of you. They are available within 5 days after the race. 

Age Group Awards - Age Groups are broken down in the following manner. If the distance has 50 or more racers we do it as every 5 years. (Example is 10 to 14, 15 to 19, up to 70+) Less than 50 racers in the distance we do it every 10 years (Example is 10 to 19, 20 to 29, up to 70+.) [If we did every 5 years for less than 50 participants in the distance it would have every racer get an age group award. Seeing we do finisher medals and awards would be First Place almost every person we do them based on every 10 years for distances with participants less than 50 people. ]