Is Your Triathlon Sanctioned? Only 16 of 98 Will Say.

Editor’s note, September 23, 2026: This piece read all 98 upcoming triathlons and duathlons in the index. There are now 129 upcoming multisport races (160 counting those already run), and the 31 arrivals have not been read for sanctioning, so “16 of 98” still describes the races audited on September 21 rather than the category as it stands. On September 22 we found that RunSignup’s race search returns races in alphabetical order and stops at 5,000 results, so every race we had ever synced was named with a number or a letter from A to F. Searching state by state found 16,101 upcoming US races; the index now holds 7,000, the most our hosting can serve. Eight multisport races still clear the scoring bar.

Our index carries 98 upcoming triathlons and duathlons. Until this week they were being scored as though they were running races, which is how two duathlons ended up ranked 12th and 14th among the best races in New York.

That was our error. We fixed it without deleting them, by no longer pretending a bike leg is a mile. Multisport races now have their own category and their own scale, and the work of building it turned up something about the sport itself: the credential that matters most in triathlon is almost invisible from the outside.

What a running formula cannot see

Our composite score is 30% field size, 20% history, 25% credentials, 25% character. Three of those four translate across sports. The fourth does not.

For a road race, the credential component reads USATF course certification: a course measured and certified by USA Track & Field, the thing that makes a PR a PR. USATF measures running courses. It does not measure swims or bike legs. So for every triathlon in our index, that 25% was a question with no possible answer, and each one was quietly scored as a race that had failed to earn something it could never have earned.

Multisport does have an equivalent, and it is sanctioning rather than a course certificate. When USA Triathlon sanctions a race, the event gets liability and participant accident insurance, a rulebook, officials who enforce it, and athletes get results that count toward national championship qualification. It is the closest thing the sport has to a stamp that says: this is a real race, run to a standard, with somebody on the hook if it goes wrong.

Field size also had to be rebuilt. The largest multisport field we carry is 299 finishers, at the Cocoa Beach Triathlon & Duathlon. The largest running field we carry is 59,000. Scored on the running curve, every triathlon in America looks like a failure. Judged against each other, a 253-person sprint triathlon is what it actually is: a well-attended race.

Then we went looking for the stamp

USA Triathlon knows exactly which races it sanctions, because it issues the numbers. We had expected to read that list, and found we could not.

Their event finder is a web app fed by an interface their own robots.txt asks every crawler to stay out of, and their sitemap publishes 1,739 pages of articles, news and athlete profiles without a single event page among them. We follow robots files, so we did not take that route. We have asked them for the list instead.

Which left one source: what each race says about itself on its own registration page. We read all 98.

Sixteen of 98 races will tell you. Sixty-seven say nothing either way, which means the answer is unknown rather than no. A race can be perfectly well sanctioned and simply never mention it on the page where you sign up.

The nine that state it do it plainly. The Electrolit TriWaco Triathlon prints its sanction number, #351306, right in the description. The 370 Lakeside Triathlon opens with “the 6th annual USAT sanctioned 370 Lakeside Triathlon.” That is how easy this is when a race chooses to say it.

The three that say no

Three races state the opposite, and they are worth reading closely, because they are the most transparent listings of the 98.

The Central Park Duathlon, the Prospect Park Fall Duathlon and the Rocco Laurie Memorial Staten Island Triathlon each say some version of the same sentence: this race is not USATF certified or sanctioned, and no USAT license is required to enter. They are being open about the rules of their race before you pay.

They are also, by some distance, the oldest multisport races we carry. The Central Park Duathlon has been run since 1985, Prospect Park since 1989. They predate most of what the sport now takes for granted, and they are still running, unsanctioned, in Manhattan’s and Brooklyn’s signature parks.

Saying so costs them in our rankings, and we think that is the right outcome rather than a regrettable one. A measured “no” scores zero on the credential. An unknown is discounted instead, and the formula assumes nothing. Before we could read their sanctioning, those two duathlons were the only multisport races in the index that cleared the bar at all, which made them first and second in the category by default. They now sit sixth and seventh, at 46.9 and 45.1, below five sanctioned races that tell you less about themselves than these three do. We would rather publish that than pretend we had not read the sentence.

The eight we can rank

Two measured signals are the bar. Eight multisport races clear it:

Eight of 98. The other 90 are all still listed, still searchable, still on their state and metro pages. They just don’t carry a number, because we don’t have two things to measure about them. Only 26 of the 98 have a field size we can read, and only nine have a founding year.

What this says about the sport

Three things, and the third is the one that bothers us.

Triathlon is younger than its reputation, except where it isn’t. The three oldest multisport races we can date go back to 1985, 1987 and 1989: two duathlons in New York City parks and the Tinsel Triathlon in Hemet, California. Everything else we can date starts in 2002 or later.

Nobody agrees what to call the distances. Thirty-eight of the 98 name no distance tier we can read, such as sprint, olympic or 70.3. Thirty-three say olympic, 24 say sprint, three say 70.3. If you are new to the sport and trying to find a race you can actually finish, more than a third of the field won’t tell you how far it is until you open the registration page.

The credential is real and effectively private. Sanctioning is the one thing in multisport that an outside body verifies, and there is no public list of who holds it. USATF, by contrast, publishes its certified courses in a searchable database with a CSV export, which is how we checked 15,451 road courses and added certifications to more than 400 running races this month. Triathlon’s equivalent is a locked door with a phone number.

We have written to USA Triathlon to ask for the list: race name, date, city, sanction number. If they say yes, every one of these 98 races gets an answer, and so does every race we add next year. If they say no, we will keep reading what races publish about themselves, and 67 of them will keep saying nothing.

Either way, the question is worth asking out loud, because it is the question an athlete is really asking when they ask whether a race is sanctioned: if something happens to me out there, is anyone standing behind this event? Sixteen races in a hundred currently answer that where you can see it.

Rich Shea runs BestRaces. Spot something wrong? Tell me and I'll fix it.