Guide
Triathlon distances: 70.3 and full distance, leg by leg
The calendar read on 22 September 2026 holds 111 half-distance races, 41 full-distance races and 7 short-course races. Here is what each distance asks, and where and when each one is raced.
The three distances on this site
The distances below are the ones the organiser states on its course pages. Individual courses can differ by a few hundred metres, and a few are shortened or lengthened for local reasons, which the course page then says.
- Half distance (70.3): 1.9 km swim, 90 km bike, 21.1 km run, or 1.2, 56 and 13.1 miles. The 70.3 in the name is the total in miles.
- Full distance: 3.8 km swim, 180 km bike, 42.2 km run, or 2.4, 112 and 26.2 miles, for a total of 140.6 miles.
- Short course (5150): the Olympic distance of 1.5 km, 40 km and 10 km. These 7 races appear in the organiser's listing, so they appear here as well.
Half distance
111 half-distance races across 43 countries
The half distance is the largest part of the calendar by a wide margin. It is raced in every month of the year, with the most races in June and October.
It is the usual step between the Olympic distance and a full distance. The bike leg is twice the Olympic one and the run is a half marathon, so the day is long enough for pacing and nutrition to matter while staying within reach of a steady training block.
Full distance
41 full-distance races, from March to December
Full-distance races are spread over 10 months, with the most in June and October. None is held in January or February on the calendar read here.
Of the 41, 10 carry a flat label on both the bike and the run. At this distance the label changes more than it does at the half, because any climbing is repeated over 180 km of riding.
Side by side
Compare a half and a full at the same venue
Some venues host both distances. The rows show what changes and what stays the same.
| Field | No race selected | No race selected |
|---|---|---|
| Distance | not published | not published |
| Date | not published | not published |
| Country | not published | not published |
| Registration | not published | not published |
| Swim venue | not published | not published |
| Average water temperature | not published | not published |
| High air temperature | not published | not published |
| Low air temperature | not published | not published |
| Bike profile | not published | not published |
| Bike elevation gain | not published | not published |
| Run profile | not published | not published |
| Run elevation gain | not published | not published |
| Overall cut-off | not published | not published |
| World championship slots | not published | not published |
| Altitude | not published | not published |
| First edition | not published | not published |
| Swim start | not published | not published |
Rows marked “not published” are fields no source publishes for these races. No score is computed from the rows above: a single number would hide which of them decided it. Figures read on 22 Sept 2026.
Source and reading date
Distances are those stated on the organiser's course pages, counts are computed from the 159 races held here, read on 22 September 2026.
Questions
What does 70.3 mean?
The total distance in miles: 1.2 miles of swimming, 56 of cycling and 13.1 of running add up to 70.3.
And 140.6?
The same sum for the full distance: 2.4, 112 and 26.2 miles.
Can I compare a half and a full on this site?
Yes. The comparator accepts any mix of races, and the distance is its first row.
Choose a distance, then a race
Tick a distance in the finder and add the month and the region.
