With little more than a week before Colombia’s presidential run-off, a group of 20 United States congressmen led by Democrat Jim McGovern has publicly urged the Trump administration to desist from meddling in the election, calling any attempt to tip the scales “harmful to the democratic rights of the Colombian people” and “an insult to their sovereignty.” The intervention, signed by figures including Ilhan Omar, marks the most pointed external rebuke yet in a campaign that, viewed from Washington and other regional capitals, has drawn an unusual degree of foreign interference. Governments in Argentina, Ecuador, El Salvador and the US itself have openly signalled a preference for Abelardo de la Espriella, the hard-right candidate of the Salvadores de la Patria movement, reinforcing a pattern of external pressure that has complicated the principle of self-determination.

The race enters its final days in starkly polarised terms. De la Espriella and his leftist rival, Iván Cepeda of the Pacto Histórico, closed their campaigns in symbolic strongholds: De la Espriella chose Buga, in the Valle del Cauca, a city of religious pilgrimage he calls the “Ciudad Milagro”, while Cepeda rallied in Barranquilla on the Caribbean coast, a traditional bastion of petrismo. The only recent poll, by Atlas Intel, gives De la Espriella a lead of eight percentage points—52.2% to 44.2%—broadly consistent with his first-round advantage. That result, and the broader anti-petrista sentiment it channels, has defined the contest less as a battle of manifestos than a referendum on the legacy of President Gustavo Petro, whose own trip to New York this week was marred by a gaffe at the United Nations and restricted movement.

Beneath the surface, both campaigns are scrambling to mobilise hard-to-reach voters. In the Caribbean, some 924,000 people who cast ballots for Congress in March abstained in the first round, and local political machines could now prove decisive. Cepeda, who won the region with a margin of 561,000 votes, needs to widen that cushion; De la Espriella, meanwhile, is leaning on an emotional appeal to patriotism and berraquera that, according to a panel of his supporters, resonates most strongly among men of varying ages and regions who see him as the best weapon to defeat Cepeda and reverse Petro’s project. Cepeda has tried to capture the zeitgeist through a different channel, proposing that Colombia bid to host a FIFA World Cup in the future—a nod to the North American 2026 tournament that opened this week, and a pitch opponents dismiss as a shallow stunt.

Whoever prevails on 21 June will inherit a slate of structural challenges that the campaign noise has obscured. The next government will face immediate pressure to expand surveillance technologies—cameras, drones, automated data analysis—in response to legitimate security demands, yet must craft overdue legal safeguards to prevent the abuse of discretionary intelligence powers. Both campaigns have been shadowed by figures accused of gender-based violence or hostile to diversity advances, raising difficult questions about the place of women and minorities in a new administration. And beyond the polarisation, the debate over higher education remains trapped in a false public-private dichotomy that, as one analysis notes, threatens a mixed system that has already widened coverage to nearly 58% of young adults.

As Colombians prepare for the most consequential vote in a generation, the blend of foreign nudging and combustible domestic sentiment tests the resilience of democratic institutions. The McGovern letter signals that, from Washington’s viewpoint, the cost of being seen to back a particular candidate may outweigh any short-term alignment. For the winner, navigating the expectations of an emboldened hemisphere while healing a fractured society will begin before the final count is even certified.