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Florence, November 29, 2026

Firenze Marathon Pacing Plan

Marathon

The race starts and finishes at Piazza del Duomo beside the Cathedral of Santa Maria del Fiore, running through tree-lined Cascine Park around 8-12km before looping back through the historic center. It crosses the Arno four times: over the wartime Ponte della Vittoria, the shop-lined medieval Ponte Vecchio, Ponte alle Grazie and Ponte San Niccolò, passing Piazza Santa Croce and Piazza della Signoria along the way.

Weather is a 10-year seasonal average for this course's location and month, not a forecast for a specific date. See FAQ.

Route shown is from the 2025 edition; next year's course hasn't been officially published yet.

Distance
Temp
Wind

Distance

42.5 km

Elevation gain

+75m / -71m

Typically run in

November

Typical race-day weather

10°C, 10 km/h

Elevation profile

+8m0m-8m-15m0km11km21km32km43kmStartFinishHigh point (+8m)Low point (-15m)
Uphill section: target pace adjusted for the climb Fade zone (modeled second-half slowdown, from 50%)

Sample strategy: 3:45:00 goal

A real, AI-generated excerpt of what Splitshape produces for this exact course, not a hand-written example. Upload your own goal and recent results to get the full plan.

KM 1-3: You start at 5:10/km and immediately ease back through 5:16 and 5:23 as the field funnels and a slight uphill at km 3 bites. Bank nothing here: this range is intentionally slower than goal effort. The weather is a mild, historical-average 9.7°C with a light headwind through these first two kilometers, nothing to fight, just don't let the crowd's adrenaline pull you faster than these numbers.

KM 4-9: The course tips gently downhill from km 4-6, dropping you to 4:59-5:09/km with a tailwind at your back: this is fast terrain, not fast fitness, so don't mistake it for free speed. You cross 10K around 52:06. Hold the effort steady as the grade flattens back out through km 7-9 and pace settles to 5:14-5:20/km.

KM 10-17: This stretch is the most even of the day, oscillating narrowly between 5:11 and 5:19/km on flat-to-slightly-rolling terrain. You pass halfway-adjacent km 17 at 1:28:42 still on schedule. Treat this as the calm before the fade begins. Resist any urge to push here just because it feels easy.

Frequently asked questions

Is the Firenze Marathon course flat or hilly?

With only 75 m of total elevation gain and 71 m of loss over 42.5 km, Firenze Marathon is essentially flat, with no sustained climbs to disrupt pacing. The minor undulations come mainly from the four bridge crossings over the Arno, which add brief, gentle rises rather than real hills.

What pacing strategy works best on the Firenze Marathon course?

Given the flat profile, an even-split strategy is realistic since there's no significant terrain forcing a slower second half. The main pacing challenge is tactical rather than topographical: staying controlled through the crowded historic center and Cascine Park sections (roughly 8-12km) so you don't surge on the flat, open stretches.

What weather should I expect on race day in Florence?

Typical race-day conditions are around 9.7°C with light wind near 9.6 km/h, cool but not harsh. These temperatures favor a steady pace without significant heat management concerns, though runners should still dress in layers for the cooler start near Piazza del Duomo.

How many times does the course cross the Arno River, and does that affect pacing?

The route crosses the Arno four times: via Ponte della Vittoria, Ponte Vecchio, Ponte alle Grazie, and Ponte San Niccolò. Each bridge introduces a short, slight elevation change, so runners should expect brief rhythm shifts rather than any major effort spikes.

Does the route through Cascine Park and the historic center create any pacing challenges?

The Cascine Park segment (8-12km) offers tree-lined, likely wider roads suited to settling into rhythm, while the later loop back through the historic center past Piazza Santa Croce and Piazza della Signoria involves narrower streets that can slow footing due to crowds and turns. Since elevation change is minimal throughout, any pace variation here is more about navigating the urban course layout than terrain.

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Splitshape is an independent pacing-plan tool and is not an official partner, sponsor, or affiliate of the Firenze Marathon or its organizers. Course data source: digitized from the official course.

Firenze Marathon Pacing Plan - Splitshape