HTC Seabrook Relay - Walk

Enhanced

Saturday, June 5, 2027 · Humptulips → Seabrook, WA

Official site

Total distance: 38.4mi
Legs: 8
Runners per team: 6–12
Longest leg: 7.0mi
Average leg: 4.8mi
Total climb: +1,088ft
Total descent: −1,181ft
Highest point: 569ft

The course

StartHumptulips, WA3 Sockeye Road, Humptulips, WA

FinishSeabrook, WA

Van 1 shiftsVan 2 shiftsHover or tap anywhere on the course

+1,088 ft climbing, −1,181 ft descending, highest point 569 ft.

Legs to know

Elevation is measured along the organizer's published route. Handoff reviews each route before it goes live and aims to get it right, but routes can shift slightly from year to year and organizers don’t always update their maps. Check the official race guide.

How Handoff measures climb and descent

See a route discrepancy, or have detailed route data? Let us know.

Elevation: Mapzen terrain tiles (USGS 3DEP, SRTM and others), hosted on AWS Open Data

Every leg

LegProfileDistanceClimbDescentTerrainDifficulty

Getting there

The airports closest to the race, and about how far each is by car from the start area and from the finish area.

OLMOlympia · Regional2 hr from the start area · 2 hr from the finish areaClosest to both ends
TIWTacoma · Regional2½ hr from the start area · 2½ hr from the finish area
SEASeattle · Major3 hr from the start area · 3 hr from the finish area
BFISeattle · Regional3 hr from the start area · 3 hr from the finish area

The two ends are about 30 min apart by road, so plan where each van and car ends up.

Drive times without traffic, rounded, from openrouteservice.org by HeiGIT, on map data © OpenStreetMap contributors. Airports from OurAirports.

Race weekend weather

The last 5 race weekends, for a team starting at 7 AM and running 10-minute miles. A guide to what to pack, not a forecast.

Start · Sat 7 AM49°F on average

3 Sockeye Road, Humptulips, WA. Between 44 and 53°F over 5 years.

Coldest on course48°F low

The coldest hour, on average. The whole run is in daylight.

Finish · Sat 1:24 PM57°F on average

Seabrook, WA. Between 54 and 60°F over 5 years.

Low to high on course, each year

2026
2025
2024
2023
2022

Daylight across a typical team's 6 hours

Sat

Other data sources