The Coeur d'Alene Half Marathon: Rolling, Two Loops, and the Lake Drive Problem

The Course in Brief

The run at 70.3 Coeur d'Alene is 21.1 km over two loops: you circle McEuen Park and the downtown neighborhoods, then head out-and-back on Coeur d'Alene Lake Drive with a climbing segment. The final steps are downhill to the finish in City Park. Scenic, but not a gift.

Sources differ slightly on elevation gain: 94 m according to the official page, 114 m according to a 2026 report. Either way, the correct label is rolling: not flat, not brutal. The problem isn't the absolute number—it's that you climb Lake Drive twice, and the second time comes when you're already empty.

The Tactical Problem: Lake Drive

The out-and-back on Lake Drive has a climbing stretch on each loop. This decision gets made before race day, not during: what pace do you hold on those ramps? Two sensible options:

• Even effort: slow your pace on the climb while keeping the same perceived exertion. It costs you seconds on the first loop—you get them all back on the second.
• Even pace: only if you're a strong runner and your goal is an age-group podium. For everyone else, this is the classic way to blow up at km 16.

Same logic applies to the final descent into City Park: it's only a gift if you arrive with the legs to use it.

The Heat: The Average Is Misleading

Official average highs are mild, around 20 °C. But in 2026 temps hit 25 °C with a high heat index on the asphalt at midday. And the run, for most age-groupers, falls exactly there: between 11 a.m. and 2 p.m.

There's shade on much of the course, but the exposed segments heat up in the early afternoon. The operational plan:

• Ice and water at every aid station on the exposed stretches. Don't skip any during the hot hours.
• Ice in your cap or tri suit when available: simple technique, it works.
• Slow down before you have to: if it's already hot at km 5, decide your km 15 pace now, not later.

The reverse applies too: weather here is variable. In 2025 the forecast called for 7-16 °C with showers. Mentally prepare for both scenarios.

Pace Estimates

Rough split estimates for this run: 2:30 for a relaxed finisher, 2:05 for a mid-pack goal, 1:45 for a fast athlete, 1:28 for top age-group. These are editorial judgments, not official times. The practical takeaway: on a rolling course with possible heat, your realistic time here is a few minutes slower than what you'd run on a flat, cool half. Build it into the plan—don't discover it mid-race.

The Bike Connection

This run is decided over the preceding 90 km. With ~1,000 m of actual climbing on the bike, anyone who rolls into T2 having attacked every ramp pays for it all on Lake Drive. If you have to pick where to be conservative, pick the bike: on this course, the minutes lost running badly outnumber the ones gained riding hard.

What to Do Now

1. Add progression runs on rolling terrain to your training, with short climbs in the last 5 km, on tired legs (brick runs after hilly bike rides). 2. Decide and write down your strategy for the two Lake Drive climbs: even effort or even pace. 3. Train heat management if you're coming from a cool climate: runs during the hot hours, using ice, drinking while walking through aid stations. 4. Prepare a plan B for a cold, rainy day: late-June weather in Idaho promises nothing.

The downhill finish in the city center is a great ending. Get there with something left in the tank.