RunningRace day in 19 days

OTF ORANGE SAND SLAM

Date
June 27, 2026
Register →

Weather

Typical Conditions

It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.

Typical High

74°

Typical Low

55°

Chance of Rain

21%

Based on US Climate Normals data from Seattle Boeing Fld, 4 mi from the venue.

Sunrise 5:14 AMSunset 9:11 PMDaylight 15h 57m

Host City

About Mercer Island, WA

Population

25,282

as of 2023

Elevation

179 ft

Nearest Airport

SEA

Seattle–Tacoma International Airport · 9 mi

Time Zone

Pacific Time

From Endurance Grid

A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.

Race Location

Your Next Start Line

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at OTF ORANGE SAND SLAM, put it on the calendar, and turn “someday” into a start date.

19

Days to train

Race
OTF ORANGE SAND SLAM
Date
June 27, 2026

From Endurance Grid

About This Sport

Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.

With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.

Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.

Read the Guide

Running

From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.

Frequently Asked Questions (FAQs)

What is the OTF ORANGE SAND SLAM?
OTF ORANGE SAND SLAM is a running race held in Mercer Island, Washington on June 27, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the OTF ORANGE SAND SLAM?
Saturday, June 27, 2026 in Mercer Island, Washington. Check the event page for exact start times and wave schedules.
How do I register for the OTF ORANGE SAND SLAM?
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

OTF ORANGE SAND SLAM

Jun 27, 2026

Register →