Wisconsin ANVIL Ultra Triathlon

SEP

9

2026

Take on the Wisconsin ANVIL Ultra Triathlon in the scenic Ottawa Lake State Park. This ultra-endurance event features a unique looped course for maximum support. It offers both the multi-distance ANVIL challenge and a half-distance option.

Wed 9 Sep 2026

Dousman, Wisconsin

Registration

Anvil (1.5x or More Full... Half Distance

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Event Overview

The Wisconsin ANVIL Ultra Triathlon is an ultra-endurance triathlon event. It takes place in the Ottawa Lake State Park area near Dousman, Wisconsin.

Distances and Format

The event offers an ANVIL distance, which is described as 1.5 times or more than a full-distance triathlon. A half-distance event is also offered. The course is designed using short, repeatable loops within and near Ottawa Lake State Park.

Support and Facilities

A central on-course Aid Station & Athlete Village allows athletes access to their personal crew every loop. The event provides food and has a 24-hour on-site medical team. The loop-based format is intended to allow for consistent support from volunteers and fellow participants.

Organizer Philosophy

The organizer states the event is for athletes who aim to push limits. They mention providing support with training plans, nutrition preparation, and sponsor discounts in the lead-up to the race. Visit the organization's website for the most recent information.

Anvil (1.5x or More Full Distance Triathlon)

Half Distance