Marathon - Data Reconstruction [1/3] Contract Guide

Published: 23:49, 27 February 2026
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Marathon - Data Reconstruction [1/3] Contract Guide
Data Reconstruction sends you to three separate locations across the Perimeter - all in a single run.
Data Reconstruction sends you to three separate locations across the Perimeter - all in a single run.

Three locations, six bioprinters, and one agriculture report - Data Reconstruction is Marathon's most ambitious Priority contract yet, sending you across the full breadth of the Perimeter in a single run.

Data Reconstruction Contract in Marathon tasks you with scanning bioprinters across South Relay and Overflow, then pulling an agriculture report from a terminal in North Relay. It's the most wide-ranging contract you'll encounter in the Perimeter early on, so plan your route carefully before you drop - and keep an eye on your clock throughout.

Objective 1: Scan Sparkleaf Bioprinters — South Relay

Head to South Relay first. There are two bioprinters to scan here, split across two separate buildings. The first is located in a smaller building on the left side of the area — you'll recognise the South Relay area by its large orange crane structures overhead. 

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The first Sparkleaf Bioprinter is in a smaller building in South Relay, identifiable by the large orange crane structures in the area.
The first Sparkleaf Bioprinter is in a smaller building in South Relay, identifiable by the large orange crane structures in the area.

The second bioprinter is inside the main building in South Relay, which is the larger of the two. Both are fairly easy to locate once you're in the right buildings, so sweep through and get both scanned before moving on.

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The second Sparkleaf Bioprinter is inside South Relay's main building - clear out any UESC in the area before scanning.
The second Sparkleaf Bioprinter is inside South Relay's main building - clear out any UESC in the area before scanning.

Objective 2: Scan Fungal Bioprinters — Overflow

From South Relay, make your way west to Overflow and head into the main building. Both Fungal Bioprinters are on the second floor. The first is in a blue-lit section of the building - you'll know you've found the right area when the hallway takes on that distinctive blue glow. The door you need is on the right-hand side of the corridor as seen in the screenshot below.

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Once you're in Overflow's blue-lit section, the first Fungal Bioprinter is behind the door on the right. Follow your radar to SE if you're struggling to navigate.
Once you're in Overflow's blue-lit section, the first Fungal Bioprinter is behind the door on the right. Follow your radar to SE if you're struggling to navigate.

The second bioprinter is on the north-eastern part of the same floor. The easiest way to navigate between both is to use your radar at the top of the screen - follow the SE and NE directional markers as needed, and as soon as you're in range, the green polygon objective marker will appear to guide you in.

Objective 3: Download Agriculture Report — North Relay

Your final stop is North Relay in the north of the map. Look for the NuCaloric building - it's clearly branded and easy to spot. 

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The NuCaloric building in North Relay is clearly signposted - head straight for it.
The NuCaloric building in North Relay is clearly signposted - head straight for it.

Head up to the second floor, where you'll find a red terminal unit. Interact with it to begin the download, but be ready for a complication: the power will cut out mid-download. Head back downstairs, restore the power, then return to the second floor to complete the download. Once that's done, the contract is finished.

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The agriculture report terminal is on the second floor. When the power cuts out, head downstairs, restore it, and come straight back up.
The agriculture report terminal is on the second floor. When the power cuts out, head downstairs, restore it, and come straight back up.

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