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2025 Fast Wax - Birkie Recommendation
Birkie Week Is Here, Are you Ready To Be Fast?
Wednesday - Open Track
Temperatures will start at -16°F and rise to -10°F by midmorning. Light winds will help keep the wind chill in check. Expect mostly cloudy skies with no chance of precipitation. With no snowfall in the past 48 hours and none expected during the race, the snow should be transformed and fast. Due to the cold temperatures, humidity will be less of a factor.
Recommendation:
- Start with a layer of Base Prep
- HS 0 or THUNDERBOLT 0
Thursday - ParaBirkie
Temperatures will start at -5°F, rising to 9°F by noon. There is still no new snow in the forecast. Light winds will continue, and skies will become mostly sunny. Due to the colder temperatures, humidity will remain a non-factor.
Recommendation:
- Start with Base Prep
- Conditions will be ideal for HS 0 or THUNDERBOLT 0
- Alternatively, consider THUNDERBOLT PLUS 10 to take advantage of the increasing temperatures throughout the day.
Friday - Kortelopet & Prince Haakon
Temperatures will start around 0°F and rise to approximately 12°F by lunchtime. Winds will pick up slightly, with stronger gusts expected later in the day. However, early to mid-morning will have little wind. No new snow is expected. Cloud cover will transition from mostly sunny to partly cloudy between midmorning and midafternoon. The colder temperatures will continue to keep humidity a non-factor.
Recommendation:
- Start with a layer of Base Prep
- Conditions will be at the upper range for HS 0 or THUNDERBOLT 0
- As temperatures rise, HS 10, THUNDERBOLT 10, or THUNDERBOLT PLUS 10 will be optimal to take advantage of the warming conditions.
Saturday - American Birkebeiner
Saturday is expected to be the warmest day, starting just below 10°F and warming up to 24°F by 2:00 PM. Winds will be light in the morning, increasing to gusts of 16–20 mph by lunchtime. No new snow is expected. Both humidity and temperature will be in the lower range for THUNDERBOLT PLUS 20 or the higher range for THUNDERBOLT PLUS 10.
Recommendation:
With this temperature range and time on the trail, consider the following:
- Start with a layer of Base Prep
- Apply two layers of THUNDERBOLT PLUS 20
- Finish with a light top layer of THUNDERBOLT PLUS 10 (use about half the usual amount)
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