racecast.ioPartly cloudy throughout the day.
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Race Overview
The Lilac Bloomsday 12K is a 12-kilometer (7.46-mile) road race held in Spokane, Washington, on the first Sunday in May. Runners start in color-coded waves on Riverside Avenue downtown, and the course mixes hills with flat stretches through the city. It is one of the largest timed road races in the United States, with 32,207 finishers in 2025, and is part of the PRRO Circuit of classic road races.
WikipediaFAQ
When is the 2027 Lilac Bloomsday 12K?
The 2027 Lilac Bloomsday 12K will be held on Sunday May 2, 2027.
What is the time limit for the Lilac Bloomsday 12K?
The time limit for the Lilac Bloomsday 12K is 4.5 hours.
Lilac Bloomsday 12K Course Map
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Lilac Bloomsday 12K Weather History
Lilac Bloomsday 12K Weather Averages
Average Temp: 54°, Average Low: 43°, Average High: 64°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|
| Temp | 51° | 54° | 56° | 59° | 60° |
| Feel | 48° | 52° | 55° | 57° | 58° |
| Rain | - | - | - | - | - |
| Wind | 8mph | 4mph | 7mph | 7mph | 7mph |
| Dew | 38° | 38° | 38° | 35° | 35° |
| RunScore |  |  | | | |
Lilac Bloomsday 12K 2026
May 3, 2026
Clear conditions throughout the day.
Low: 46°, High: 80°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|
| Temp |  60° | 65° | 70° | 73° | 75° |
| Feel | 60° | 65° | 70° | 73° | 75° |
| Rain | - | - | - | - | - |
| Wind | 5mph | 1mph | 4mph | 5mph | 3mph |
| Dew | 41° | 40° | 38° | 33° | 33° |
| RunScore |  | | | | |
Lilac Bloomsday 12K 2025
May 4, 2025
Becoming cloudy in the afternoon.
Low: 38°, High: 61°
| Time | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|
| Temp | 46° | 49° | 52° | 55° | 58° |
| Feel | 43° | 49° | 52° | 55° | 58° |
| Rain | - | - | - | - | - |
| Wind | 6mph | 2mph | 6mph | 7mph | 7mph |
| Dew | 29° | 30° | 31° | 30° | 29° |
| RunScore | | | | | |
Lilac Bloomsday 12K 2024
May 5, 2024
Cloudy skies throughout the day with rain.
Low: 46°, High: 52°, Moderate Rain
| Time | 9AM | 10AM | 11AM | 12PM | 1PM |
|---|---|---|---|---|---|
| Temp |  46° | 47° | 48° | 48° | 47° |
| Feel | 41° | 42° | 43° | 43° | 42° |
| Rain | light | light | light | light | light |
| Wind | 12mph | 10mph | 10mph | 10mph | 10mph |
| Dew | 43° | 44° | 44° | 44° | 44° |
| RunScore |  | | | | |