


Boom: Trajectory Unknown Challenge
Prize:
$7,000 USD
Entries Received:
10
23 days, 10 hours remaining
A startup is looking to contract individuals and teams who use AI and machine learning to predict the aftermath of disruptive events - and this challenge is your pathway in.
Top performers will be offered a paid contract to continue this work directly with the startup , with total compensation exceeding $10,000 USD. The top winner also receives a $7,000 USD cash prize.
They are looking for three things:
Novel and effective methods to predict how heterogeneous materials break apart and move after a disruptive event.
Individuals or teams who can create and train models to work in different real-world situations.
Individuals or teams with an interest in working with the startup to improve current capabilities in predictive modeling.
We are looking for trainable algorithms that predict material fragmentation and displacement resulting from a single point disruption. The ideal algorithm would improve the ability to locate materials of different sizes after a disruptive event. Examples of these types of events include asteroid collisions, building collapse, volcanoes, or landslides.
If you are currently modeling physics-driven events using AI/ML, we invite you to participate in this Challenge.
To enter the Boom Challenge, you will need to describe your team and your physics-driven AI/ML algorithm, train your algorithm to make predictions on fragment distribution in a simulated scenario. For additional points, create an inverse design where you propose impact parameters, then upload your final submission and a video describing your algorithm.
Complete a
Upload your algorithm and prediction data to GitHub.
Record your video submission
Share your GitHub repository with challenges@freelancer.com
Complete your submission form.
Upload your entry on the Challenge Website, the entry should include:
For complete information, see the Submission Requirements on the Guidelines page.
For the Challenge, we have created an imaginary stellar system called Mox-95. Like all planets, the planets within Mox-95 are subject to asteroid impacts. When asteroids strike planetary surfaces, they generate massive ejecta blankets – debris fields of fragmented rock that spray outward from the impact site. Understanding the size distribution of the debris fragments and how far they travel is critical for interpreting ancient craters and predicting hazards from future impacts – on the planets within Mox-95 as well as our own planet.
The Mox-95 stellar system experiences unusual gravitational disturbances that slightly alter the impact dynamics compared to Earth. However, the underlying physics remains self-consistent and intuitive, and many physical principles from our own solar system still apply.
The Challenge has two parts:
Forward Prediction - predict the ejecta outcomes based on defined impact parameters.
Inverse Design - propose impact parameters that would meet given constraints on ejecta outcomes.
A Training Dataset has been compiled, made up of thousands of simulated asteroid impact events in Mox-95. The dataset includes both the impact parameters (as input) and the resulting ejecta outcomes (as output). Use this dataset to train your AI/ML algorithm to predict ejecta outcomes given impact scenarios. Once your algorithm is trained, run the Test Dataset through your algorithm to generate the ejecta output data. The Test Dataset contains out-of-distribution impact scenarios (though the physics remains the same) to test your model’s generalizability. Note: Physics informed methods are strongly encouraged.
Based on what you and your model learned from the first part of the challenge, propose 20 impact scenarios that will result in ejecta outcomes satisfying the following constraints:
P80 in the range [96, 101]
R95 <= 175
Included in the repository is a configuration file describing these outcome constraints and a set of input bounds. The parameters of your proposed impact scenarios should lie within the input bounds.
Since asteroid impacts are stochastic, a given impact scenario produces a distribution of possible ejecta outcomes rather than a single result. Each of your scenarios will be evaluated by its average ejecta outcome.
In addition, each scenario that satisfies the constraints will receive a “small-impact score” calculated from the impact energy and the average R95 outcome. The lower the energy and ejecta range, the higher the small-impact score. See “Scoring Metrics” in the Guidelines tab for more information.
The data repository contains all the information needed to complete the challenge. You can access the repository here:
The repository contains:
Please submit your questions in the challenge Clarification Board or submit them via
avi, flv, mov, mp4, mpeg, mpg, pdf

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Hi, I’m really excited to work on this challenge and very motivated to get started.

Contest Holder
·
Dear participants! Just a reminder that there is about 1 month left to submit your entry! There is still a lot of time to join. If you have already submitted, you can modify your submissions all the way until the submission deadline.

Hi, I came across your contest a bit late — noticed it’s been running for about a month already, with some time still remaining. I’m really interested in the project and feel confident I can deliver a strong entry. Before I begin, I just wanted to check — have you already found a submission you’re satisfied with, or are you still open to new entries? If you’re still considering, I’d be happy to start working on it. Thanks!

#28 "Submitted my solution using a Physics-Informed Random Forest model. I focused on ensuring the predictions remain consistent with physical laws. Thanks for the challenge!"

I assume the order is irrelevant - in other words it can be tested in any order? I mean the input impacts aren't related (or if they are I can't rely on it).
1
Mar 5, 2026
Challenge Launch (PST)
2
May 6, 2026, 6:59 AM
Submission Deadline (PST)
3
Jun 2026
Winner Announced

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