After nine months and 304 resolved and scored IFPs, we are so excited to announce the winners! Without further ado, the winners of the GF Challenge 2 are….

Overall Winners

1st: cassandre ($69,923.08)

2nd: datscilly ($49,692.31)

3rd: michalbod ($42,692.31)

4th: Ckar ($28,461.54)

5th: EagleWings ($16,730.77)


Academic Winner

LIA ($7,500)



Congratulations to the winners and thank you everyone for all your hard work and contributions to the field of forecasting! 

Don’t Stop Solving:  While this does mark the end of this particular Challenge, other opportunities exist across IARPA, as well as the government at large. You can continue to follow IARPA on Twitter (@IARPAnews) or monitor The unique and out-of-the-box thinking demonstrated across this Challenge is needed for other complex issues that impact us all.  

- GF Challenge 2 Team