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Every article tagged Triathlon across the Atmosphere.

32articles
Given to Tri
Given to Tri
Apr 25, 2025
World Triathlon updates hydration rules again
They're further revising the rule changes they announced a couple months ago with a new set of updates, effective as of April 15th. The rule interpretation document includes a number of changes, but most notably, all front and rear hydration now must fit within a certain space on the bike. For front hydration: When measured from the lowest edge of the arm support (if none exists, the lowest edge of the athlete's elbow in the rider's intended aero position), all attached objects on the handlebars (bottles, holders, containers, etc.) must be within an area with the following dimensions: a maximum of 250 mm in the direction of the saddle and a maximum of 200 mm in height and no further than the foremost point of the handlebars or clip-ons, and a maximum of 20 mm from the highest point of the front wheel. And for rear hydration: All attached holders, containers, bottle holders, etc. must fit completely into an imaginary frame no larger than 30x30cm. Bottles may protrude beyond this area. The volume of liquid hasn't changed: Up to two liters in the front and back, and up to two bottles in the back. There's one big exception, though---the rules now include built-in hydration systems, so if you are using one, you can only carry up to two liters and you can't carry bottles behind the saddle. It seems the intention is to put everyone on a level playing field by limiting hydration to a total of four liters. I expect Ironman to adopt these new rules shortly, just like they did last time. In the meantime, I need to go check my hydration setup, because I honestly have no idea if it's legal anymore. Update (5/28/2025): Ironman won't be enforcing these new rules for age groups just yet.
NewsTriathlon
Given to Tri
Given to Tri
Feb 26, 2025
Ironman adopts World Triathlon's bike hydration rules
Well, that was fast. On Sunday I wondered if Ironman would adopt World Triathlon's new rules limiting the amount of hydration that can be carried on the bike, and today I got my answer: Yep. In the 2025 Ironman competition rules, the section on bike equipment has been updated to be consistent with World Triathlon rules: (i) Front Mounted Water Bottles and Hydration Systems mounted to components attached to the bike that rotate around the steering axis (e.g., cockpit extensions, top tube, headset, stem, head tube) must have a combined maximum volume capacity of no more than two (2) liters (this excludes water bottles and hydration systems located inside the frame triangle of a bicycle or inside the bicycle frame) (DSQ). (ii) Rear Mounted Water Bottles and Hydration Systems are limited in size, capacity, dimension and location as set forth below: (i) Cannot contain more than two (2) water bottles* (DSQ); and (ii) Must not exceed one (1) liter capacity per bottle* (DSQ). *Excludes water bottles and hydration systems located inside the frame triangle of a bike or inside the bike frame. Here's a full summary of the updated competition rules, which include a few other verbiage changes and updates for consistency with World Triathlon. Among other things, the penalties for blue card violations, such as drafting and littering, have been reduced to 3 minutes for full Ironmans and 2 minutes for 70.3s (down from 5 minutes for both). The rules also clarify that you can wear neoprene hats whenever wetsuits are allowed and that you can wear two swim caps (in both cases you still have to wear the race cap on top). Ironman also has a short FAQ that explains the changes very clearly.
Ironman 70.3News
Given to Tri
Given to Tri
Feb 23, 2025
New World Triathlon bike hydration rules—will Ironman follow?
Last month, World Triathlon announced updates to the competition rules, and there's been some conversation online about some of these changes, including relaxing the water quality standards for the swim and banning watches during the swim. The former is interesting after the water quality in the Seine caused the men's triathlon to be postponed at the Olympics last year; the latter only applies to elite races in the standard (i.e. Olympic) distance or shorter, so I don't expect Ironman to implement it. However, lost in the chatter was another update to the rules that wasn't even mentioned in World Triathlon's announcement, and limits how much hydration can be carried on the bike: m.) Hydration Volume Limitation: Hydration volume (e.g. bottles or hydration systems) mounted to components that rotate around the steering axis (e.g. cockpit extensions, base bar) must have a combined maximum capacity of 2 litres; n.) Rear Mounted hydration systems, (excluding those mounted to the inside the frame triangle bike are limited in size, capacity, dimension and location as set forth below: (i) cannot contain more than two water bottles; (ii) must not exceed 1L capacity per bottle. In short, you can only carry a maximum of two liters between the aerobars, and up to two bottles, of no more than one liter each, behind the saddle. Ironman hasn't released any updates to their rules this year, but it's interesting that this rule would render 2024 Ironman World Championship second-place finisher Magnus Ditlev's sick three-bottle BTS setup illegal, so I'm curious to see what they do.
NewsTriathlon