NUTS Trail Running / NUTS Ylläs Pallas Polkujuoksu
NUTS Ylläs Pallas 66 km (Hetta-Pallas)
Hetta (Enontekiö) → Pallas
Race guide
Updated 19 July 2026
The NUTS Ylläs Pallas 66 km — formally part of the NUTS Ylläs Pallas Polkujuoksu — is a point-to-point trail race running 66 km from Hetta (Enontekiö) to Pallas across the fells of Finnish Lapland. With 1652 m of total ascent and a high point of 747 m, this is not a race defined by savage gradients but by relentless, exposed terrain and sheer distance. The route traverses wide-open tundra, soft fell ridges and boreal forest, demanding consistent execution over many hours rather than a single brutal climb. The race starts on Friday and finishes with a cut-off of Saturday 05:00 at Pallas, meaning the back half of the field navigates the final wilderness kilometres through the night. That combination — long hours, shifting light, Lapland's dry and often deceptively warm fell winds — makes self-management every bit as important as fitness. There are only three checkpoints in 66 km, so runners must be genuinely self-sufficient between stops.
Course & Terrain
From the start in Hetta at 296 m elevation, the route climbs almost immediately toward Mustavaara (Pyhäkero) at 11.7 km, where the altitude sits at 356 m and the first cut-off falls at 17:00 on Friday. This opening stretch sets the tone: open fell country with wide sight lines but ground that can be boggy, root-threaded or heathery underfoot, requiring constant foot placement attention. The midpoint crew stop at Ketomella (31.5 km, 265 m) is your critical resupply before the long back half. From Ketomella onward the course climbs toward the high point of 747 m before descending to the finish at Pallas (451 m). This second half covers 34.5 km with no intermediate checkpoint, so anything that goes wrong — kit, nutrition, navigation, physical — must be solved by the runner and their crew at Pallas or not at all. The terrain throughout is classic Lapland fell: exposed ridge lines, patches of dwarf birch, and forest tracks that offer brief shelter. Runnable but never simple.
The Decisive Section: Ketomella to the High Point
The race is effectively decided in the 34.5 km between Ketomella and Pallas. After the halfway crew point at Ketomella, runners face the biggest accumulated climbing of the route as the course works up toward the 747 m high point. This is where fatigue compounds with exposure — the fells are open and wind-scoured, offering little shade or shelter — and where the cut-off at Pallas (05:00 Saturday) begins to loom for anyone who has not banked enough time. Many runners will be moving through this section in low light or full darkness, which changes everything: navigation demands sharper attention, perceived effort is harder to calibrate, and temperature can swing quickly. Hit Ketomella with a clear head, top up fluids and calories aggressively, and leave with a plan rather than just a feeling. The descent into Pallas at 451 m offers some relief, but legs that have been mismanaged for 50 km will make it feel far harder than the profile suggests.
Pacing Strategy
With a Friday-afternoon start and a 05:00 Saturday cut-off, the race window is approximately 13–14 hours for slower runners and considerably less for the front of the field. The three-checkpoint structure demands discipline: run to checkpoint pace targets, not feel. The 11.7 km to Mustavaara should be treated as a controlled warm-up — arrive comfortably ahead of the 17:00 cut-off and assess how the body is responding to heat and wind before committing to any pace plan for the back half. Ketomella at 31.5 km is your audit point. If you are behind on fluids, calories or sodium, fix it completely here — do not ration. The 34.5 km from Ketomella to Pallas is too long and too remote to manage a deficit on the move. Build your pacing around leaving Ketomella by around 21:00 at the absolute latest, giving yourself at least 8 hours for the second half to stay clear of the finish cut-off.
Fuelling & Hydration in Lapland's Fell Heat
Lapland's summer fell climate is one of the most misunderstood environments in trail running. Dry, persistent wind strips sweat from skin before you register it, and ambient temperatures that feel mild at 15–18 °C can produce heat stress comparable to far hotter conditions. The danger is that dehydration arrives quietly — cognitive function dulls, coordination degrades and decision-making becomes unreliable before the runner feels classically 'thirsty' or 'overheated.' The practical response is to abandon feel-based hydration entirely and run a fixed, timed checklist: drink, cool, salt and fuel on a schedule regardless of how you feel. Between checkpoints — especially the long Ketomella-to-Pallas leg — set reminders and stick to them. If you notice yourself stumbling, blanking mid-thought or losing focus, treat it as a hydration and fuelling emergency first, not a motivation or tiredness issue. Have a crew member or pacer who knows this pattern and is empowered to call you out; your own in-race judgment is the least reliable tool you have when dehydration is already underway.
Conditions to Expect
The NUTS Ylläs Pallas 66 km takes place in Finnish Lapland, and conditions on race day can vary considerably. The open fell ridges above the treeline are exposed to wind from any direction, and what starts as a warm, calm afternoon in Hetta can become a cold, headwind slog on the high point. Carry a wind shell and base layer that you can access without stopping — do not pack them deep in your vest on a warm start. Underfoot, expect a mixture of well-worn fell tracks, boggy low sections and rocky ridgeline terrain. Trail shoes with good grip and reasonable protection underfoot are essential; road-biased shoes will struggle on the more technical fell ground. The night section on the back half requires a reliable primary headtorch and a backup — the finish cut-off is 05:00, meaning most of the field will cover significant distance in darkness. Test your kit configuration at Ketomella so there are no surprises when the light drops on the way to Pallas.
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Checkpoints & cut-offs
✓ Course data verified against the official source (2026-07-05) · official source
0 km · 296 m · Fri 15:00
11.7 km · 356 m · Fri 17:00
31.5 km · 265 m · Fri 21:00
66 km · 451 m · Sat 05:00
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