Ranked from data
Largest triathlons in Washington
Triathlons in Washington ranked by finishers in each race's most recent scored edition. Big fields mean closed roads, full aid stations, and a real race-day crowd.
10
races ranked
| # | Race | Where | Next date | Finishers | Median finish |
|---|---|---|---|---|---|
| 1 | Columbia River Triathlon2025 edition | Vancouver, Washington | Jul 9, 2027 | 309 | 1:31:54 |
| 2 | Lake Tye Triathlon - 20262026 edition | Monroe, Washington | TBA | 285 | 1:35:43 |
| 3 | Girlfriends Triathlon & Fitness Festival2025 edition | Vancouver, Washington | Jul 11, 2027 | 246 | 1:43:43 |
| 4 | Lake Meridian Triathlon2026 edition | Kent, Washington | TBA | 227 | 3:02:37 |
| 5 | 2026 Bonney Lake Triathlon2026 edition | Bonney Lake, Washington | TBA | 188 | 1:42:08 |
| 6 | Bonney Lake Triathlon + Du. & Aquabike2025 edition | Bonney Lake, Washington | TBA | 168 | 1:32:30 |
| 7 | Black Diamond Triathlon2026 edition | Enumclaw, Washington | TBA | 163 | 3:00:28 |
| 8 | Whidbey Island Triathlon2025 edition | Langley, Washington | TBA | 116 | 2:21:50 |
| 9 | Medical Lake- Trailblazer Triathlon/Duathlon/5K2026 edition | Medical Lake, Washington | Jun 19, 2027 | 73 | 1:16:13 |
| 10 | Three Lakes Triathlons and Kings Market San Juan Island Runs2026 edition | Friday Harbor, Washington | TBA | 33 | 1:51:07 |