Birkie training plan 2027 for skate and classic

The 2027 American Birkebeiner starts in Cable on Saturday 27 February and finishes on Main Street in Hayward. From the first Monday of November you have seventeen weeks. That is enough to finish your first Birkie, to earn a better wave for 2028, or to race the front of your wave, as long as each week has one clear job.

What the 2027 race asks of you

• Distances: 50K skate or 53K classic, Cable to Hayward. Older Birkie material, including the classic elevation profile, says 55K. The 2027 event page says 53K.
• Waves: the skate race has Waves 1 to 10 plus Elite Men and Elite Women. The classic race has Waves 1 to 6 plus a combined Elite wave.
• Wave placement: Birkie places you from your 2023, 2025 and 2026 Birkie or Kortelopet results, using finish time or percent behind the winner. Results from 2024 do not count. New skiers start in Wave 10 skate or Wave 6 classic, and can request an upgrade with a result from a qualifying race.
• Start times: they run from 8.15 for the first special wave to 10.10 for Wave 10 skate.
• Cut-offs: they are clock times, not race times. Fire Tower at 11.5K skate by 12.00. OO at 20.6K by 1.40 pm. Gravel Pit at 29.5K by 3.00 pm. Mosquito Brook at 35.4K by 3.55 pm. Fish Hatchery at 41.1K by 4.45 pm. The finish closes at 6.00 pm.
• Aid: water, sports drink, bananas and cookies at every station, oranges at some.

The climbs on the course

The official skate elevation profile shows a course that climbs early and bites late.

• High Point: the course rises from the start to High Point at about 11K, the highest part of the race at roughly 525 m on the profile.
• Boedecker Hill and OO Hill: two short steep climbs around 15K and 20K.
• The long middle: from OO to Gravel Pit the trend is downhill, with plenty of short rollers.
• 39K Hill, B Hill and Sunset Hill: a cluster of climbs between Mosquito Brook and the final kilometres, where tired legs pay for a fast start.
• Lake Hayward: the last few kilometres are flat across the lake before the finish on Main Street.

The classic profile has the same named climbs at slightly longer distances.

Four phases from November to race day

1. Base, 2 November to 13 December. Easy volume on rollerskis, hiking with poles and the first snow. Technique work: V1 and V2 for skaters, diagonal stride and double poling for classic skiers. One strength session a week.
2. Build, 14 December to 24 January. Threshold sessions and hill repeats come in. Long sessions get longer.
3. Race-specific, 25 January to 14 February. Long sessions on hilly terrain in race technique, race-pace blocks and feeding practice.
4. Taper, 15 February to race day. Less volume, same intensity, rested legs.

Weekly structure by goal

The hours below are typical ranges from coaching practice. Fit them to your own history.

First Birkie, aiming to finish

• Ski 4 to 6 hours a week over 4 sessions.
• Make one session long and easy every week.
• Keep two easy sessions of 45 to 75 minutes, with balance and technique drills.
• From the build phase, run one session of short hill repeats, for example 8 x 1 minute on a moderate climb.
• Add 20 minutes of core and leg strength twice a week.

Mid-pack, aiming for a better wave

• Ski 6 to 9 hours a week over 5 or 6 sessions.
• Keep the long session and two easy sessions.
• Run one threshold session, for example 4 x 8 minutes at a pace you could hold for an hour.
• Run one hill session, for example 6 x 3 minutes on the same climb.
• Spend part of one easy session on V2 on the flat, to build the upper body for Lake Hayward.

Front waves, racing for time

• Ski 9 to 14 hours a week over 6 to 8 sessions, with some doubles.
• Run two quality sessions a week: one threshold, one hard session on climbs.
• Add one longer interval session in race technique, for example 3 x 12 minutes.
• Keep everything else genuinely easy.

Long-session progression

The long session carries the plan. Add 15 to 30 minutes every other week and ease off every fourth week.

• First Birkie: 1 h 30 in November, 2 h 30 before Christmas, 3 h 30 by early February, on rolling terrain.
• Mid-pack: 2 h 15 in November, 3 h at New Year, then 3 h 30 to 4 h in late January with the last third at race effort.
• Front waves: 2 h 30 in November and 3 h 30 in January, plus race simulations with 2 x 30 minutes at race pace on climbs.
• Last long session: about three weeks out, on the weekend of 6 and 7 February.

Train for a hilly course

• Repeat one climb. Pick a climb of 2 to 5 minutes and ski it as repeats every week or two. If rep 6 matches rep 1, your pacing is right.
• Ski climbs late in long sessions. B Hill and Sunset Hill come after more than 35K. Put your hardest climbs in the last hour of long sessions.
• Classic skiers: train both strides. In a study of an elite classic distance race by Stöggl and colleagues, every skier double poled on the flat and almost all used diagonal stride on the steep climbs. The Birkie classic course asks for both.

How hard the hard days are

Most of the plan is easy, on purpose.

• Seiler and Kjerland found junior cross-country skiers did about 75 percent of their endurance sessions at low intensity, 8 percent around threshold and 17 percent above it, measured by heart rate.
• Tønnessen and colleagues followed Olympic and world champions in cross-country skiing and biathlon: 91 percent of endurance training time was low intensity, though 23 percent of sessions included high intensity work.
• For a citizen racer that means two hard sessions a week at most, and easy days slow enough to talk.

Taper

• A meta-analysis by Bosquet and colleagues found the best results from a 2-week taper that cut volume by 41 to 60 percent while keeping intensity and frequency unchanged.
• The champions in the Tønnessen study barely cut volume, and 10 of 11 did a hard session within 48 hours of their best race.
• In practice: from 15 February, halve the long session and drop one easy session. Keep short race-pace efforts. On Thursday 25 February, ski 30 to 40 minutes with 4 x 1 minute fast.

Pacing and feeding on race day

• Hold back to High Point. The first 11K are mostly uphill. Ski them at an effort you could hold for the whole race, even when your wave goes faster.
• Do the cut-off math. A Wave 10 skier starting at 10.10 has 3 hours 30 minutes to reach OO at 1.40 pm and 7 hours 50 minutes to finish by 6.00 pm. Know your margin before the gun.
• Eat early and regularly. Jeukendrup describes up to about 60 g of carbohydrate per hour from one source and around 90 g for very long events with mixed carbohydrate sources, with lower amounts at lower intensity. Practise your amount on every long session from January.
• Drink at every station. They come every 4.5 to 9K on the skate course, so a small bottle or a few gels in a belt cover the gaps.
• Save something for the last 15K. The climbs after Mosquito Brook arrive on tired legs, and a skier who still climbs well there passes people all the way to the lake.

If your times swing from week to week on the same trail, the post on how snow conditions change your times explains why.

When you ski the same climb as repeats all winter, Skibuddy times every lap and every climb rep and sets each rep against your best and your average, so you see whether your climbing is coming along.