# Who will win Colombia's 2026 presidential election (first round 31 May, runoff 21 June)?

Canonical URL: https://preseen.com/reports/861bbb27-9211-4bab-9924-8ce6cf8a4c58/who-will-win-colombia-s-2026-presidential-election-first-round-31-may-runoff-21
Markdown URL: https://preseen.com/reports/861bbb27-9211-4bab-9924-8ce6cf8a4c58/markdown

## Forecast

Top outcome: Abelardo de la Espriella at 45.5%. Other leading outcomes: Iván Cepeda: 42.4%; Paloma Valencia: 10.6%; Other: 1.1%; Sergio Fajardo: 0.4%.

Generated: May 24, 2026 at 6:36 PM UTC
Resolution check date: 2026-06-21
Forecast model: gpt-5.5
Research model: gpt-5.5

## Analysis

## TL;DR
Abelardo de la Espriella is the best pick: his late surge makes him the likely anti-Petro runoff vehicle, and the runoff is more favorable to him than the first-round polls are to Iván Cepeda.

## Context
Colombia is voting for president on 31 May 2026, and Article 190 elects the president by a majority in the first round or, if no one reaches it, by a runoff between the top two three weeks later ([Article 190](https://constitucion.co/titulo_vii/capitulo_1/articulo_190)) ([constitucion.co](https://constitucion.co/titulo_vii/capitulo_1/articulo_190)). The Registraduría ballot has 14 presidential formulas; the listed candidates are all on it: Cepeda in position 1, de la Espriella in position 5, Valencia in position 12, and Fajardo in position 13 ([Registraduría ballot notice, 25 Mar 2026](https://www.registraduria.gov.co/Conozca-la-posicion-de-los-candidatos-presidenciales-en-la-tarjeta-electoral.html)) ([registraduria.gov.co](https://www.registraduria.gov.co/Conozca-la-posicion-de-los-candidatos-presidenciales-en-la-tarjeta-electoral.html)).

The race has narrowed since the client’s 10 May snapshot. The final public polling wave before the blackout has Cepeda leading the first round, de la Espriella usually second and rising, Valencia slipping, and Fajardo stuck near 2–4% ([El País final-poll roundup, 24 May 2026](https://elpais.com/america-colombia/elecciones-presidenciales/2026-05-24/la-foto-final-de-las-encuestas-ivan-cepeda-primero-y-abelardo-de-la-espriella-se-distancia-de-paloma-valencia.html)) ([elpais.com](https://elpais.com/america-colombia/elecciones-presidenciales/2026-05-24/la-foto-final-de-las-encuestas-ivan-cepeda-primero-y-abelardo-de-la-espriella-se-distancia-de-paloma-valencia.html)).

## Evidence
The historical backbone says a runoff is the default, but it does not say the first-round leader is safe. The 1994–2018 history has 5 runoffs in 7 elections and only two first-round wins, both by Álvaro Uribe; adding 2022 gives 6 runoffs in 8 elections and a 6-of-8 conversion rate for first-round leaders ([Radio Nacional historical summary, 19 Jun 2022](https://www.radionacional.co/cultura/historia-colombiana/quienes-fueron-los-presidentes-de-colombia-elecciones-2022); [Colombia.com 2022 results, sourced to Registraduría](https://www.colombia.com/elecciones/2022/resultados/)) ([radionacional.co](https://www.radionacional.co/cultura/historia-colombiana/quienes-fueron-los-presidentes-de-colombia-elecciones-2022)). The first-round leader lost in 1998 and 2014, both cases where the second round changed the coalition math ([Radio Nacional historical summary, 19 Jun 2022](https://www.radionacional.co/cultura/historia-colombiana/quienes-fueron-los-presidentes-de-colombia-elecciones-2022)) ([radionacional.co](https://www.radionacional.co/cultura/historia-colombiana/quienes-fueron-los-presidentes-de-colombia-elecciones-2022)).

| Election | First-round leader | Deciding round | Winner | First-round leader won? |
|---|---|---:|---|---:|
| 1994 | Ernesto Samper | Runoff | Ernesto Samper | Yes |
| 1998 | Horacio Serpa | Runoff | Andrés Pastrana | No |
| 2002 | Álvaro Uribe | First round | Álvaro Uribe | Yes |
| 2006 | Álvaro Uribe | First round | Álvaro Uribe | Yes |
| 2010 | Juan Manuel Santos | Runoff | Juan Manuel Santos | Yes |
| 2014 | Óscar Iván Zuluaga | Runoff | Juan Manuel Santos | No |
| 2018 | Iván Duque | Runoff | Iván Duque | Yes |
| 2022 | Gustavo Petro | Runoff | Gustavo Petro | Yes |

The late polls are better evidence than the base rate. They are measuring stated first-round vote intention, not official valid-vote shares. The most useful final polls cover 11–22 May 2026 fieldwork, with publication from 21–24 May 2026. CNC’s last poll had Cepeda 33.4%, de la Espriella 30.9%, Valencia 12.6%, and Fajardo 2.1%, while its runoff test had de la Espriella ahead of Cepeda 43.6% to 40.9% ([El País on CNC, 24 May 2026](https://elpais.com/america-colombia/elecciones-presidenciales/2026-05-24/la-foto-final-de-las-encuestas-ivan-cepeda-primero-y-abelardo-de-la-espriella-se-distancia-de-paloma-valencia.html)) ([elpais.com](https://elpais.com/america-colombia/elecciones-presidenciales/2026-05-24/la-foto-final-de-las-encuestas-ivan-cepeda-primero-y-abelardo-de-la-espriella-se-distancia-de-paloma-valencia.html)). AtlasIntel’s 18–21 May poll of 4,531 interviews had Cepeda 38.7%, de la Espriella 37.3%, Valencia 14.3%, and a de la Espriella runoff lead of 50.0% to 41.3% ([Reuters via Investing.com, 23 May 2026](https://www.investing.com/news/commodities-news/colombian-rightwing-presidential-hopeful-leads-poll-for-runoff-vote-4708074)) ([investing.com](https://www.investing.com/news/commodities-news/colombian-rightwing-presidential-hopeful-leads-poll-for-runoff-vote-4708074)). Invamer’s 13–20 May home-interview probability sample of 3,800 respondents in 152 municipalities had Cepeda 44.6%, de la Espriella 31.6%, Valencia 14.0%, and Fajardo 2.4%; it was the main pro-Cepeda runoff poll, with Cepeda beating de la Espriella 52.4% to 45.3% and Valencia 52.8% to 44.3% ([Noticias Caracol / Invamer, 21–22 May 2026](https://www.noticiascaracol.com/politica/elecciones-colombia/ivan-cepeda-44-6-abelardo-de-la-espriella-31-6-paloma-valencia-14-0-encuesta-invamer-rg10)) ([noticiascaracol.com](https://www.noticiascaracol.com/politica/elecciones-colombia/ivan-cepeda-44-6-abelardo-de-la-espriella-31-6-paloma-valencia-14-0-encuesta-invamer-rg10)). Guarumo, as summarized by El País, had Cepeda 37.1%, de la Espriella 27.5%, Valencia 21.7%, and Fajardo 3.2%, with de la Espriella also ahead in the runoff ([El País on Guarumo, 22 May 2026](https://elpais.com/america-colombia/elecciones-presidenciales/2026-05-22/paloma-valencia-y-abelardo-de-la-espriella-vencerian-a-ivan-cepeda-en-segunda-vuelta-segun-la-encuesta-de-guarumo.html)) ([elpais.com](https://elpais.com/america-colombia/elecciones-presidenciales/2026-05-22/paloma-valencia-y-abelardo-de-la-espriella-vencerian-a-ivan-cepeda-en-segunda-vuelta-segun-la-encuesta-de-guarumo.html)). Fundación Génesis Crea’s 14–20 May in-person poll of 4,352 people in 134 municipalities was the main Valencia-friendly outlier: Cepeda 34.3%, Valencia 27.9%, de la Espriella 21.7%, and Fajardo 2.4%; it had Valencia beating Cepeda but Cepeda beating de la Espriella ([Infobae / Génesis Crea, 22 May 2026](https://www.infobae.com/colombia/2026/05/22/estos-son-los-escenarios-de-primera-y-segunda-vuelta-presidencial-que-plantea-la-encuesta-de-fundacion-genesis-crea-para-2026/?outputType=amp-type)) ([infobae.com](https://www.infobae.com/colombia/2026/05/22/estos-son-los-escenarios-de-primera-y-segunda-vuelta-presidencial-que-plantea-la-encuesta-de-fundacion-genesis-crea-para-2026/?outputType=amp-type)).

My poll index, weighting in-person probability-style polls above AtlasIntel and then applying a small recency adjustment, gives a first-round center of about Cepeda 38%, de la Espriella 30%, Valencia 18%, and Fajardo 3%. That makes a first-round win unlikely: I assign about 4% to Cepeda winning outright, below 1% to de la Espriella, and about 95% to a runoff. Conditional on a runoff, I put the pairings at roughly Cepeda–de la Espriella 77%, Cepeda–Valencia 18%, de la Espriella–Valencia 3%, and all other pairings 2%.

The runoff is the crux. The public head-to-heads average close to even once Atlas is discounted for its digital-methodology controversy, but they point in different directions: Atlas, CNC, and Guarumo are bad for Cepeda; Invamer and Génesis are good for him. I set de la Espriella at 59.5% against Cepeda, above the simple poll average because the late trend is strongly toward him and because the anti-continuity vote has a natural consolidation path, but below the current market-implied level because Invamer’s field design is strong and de la Espriella is polarizing. I set Valencia at 52.5% against Cepeda if she reaches the runoff, because reaching the runoff would itself imply a late right/center consolidation, but her access problem is now severe.

The arithmetic is a route model:

$$
P(\text{winner}_i)=P(i\text{ wins first round})+P(\text{runoff})\sum_m P(m\mid\text{runoff})P(i\text{ wins}\mid m),
$$

where \(m\) is a runoff matchup. A pure poll-path model gave Cepeda a small lead. After that independent estimate, I used the live prediction market only as a calibration check. Polymarket’s Colombia market showed de la Espriella at 61%, Cepeda at 37%, and $30.5 million of volume on 24 May 2026 ([Polymarket, accessed 24 May 2026](https://polymarket.com/event/colombia-presidential-election)) ([polymarket.com](https://polymarket.com/event/colombia-presidential-election)). I do not copy that price. I move toward it because it is consistent with de la Espriella’s late polling surge and possible private-tracking information, but I keep the final well below the market because public runoff polling is mixed and the market text itself frames part of the move as a right-consolidation narrative rather than direct vote evidence ([Polymarket market context](https://polymarket.com/event/colombia-presidential-election)) ([polymarket.com](https://polymarket.com/event/colombia-presidential-election)).

## What's non-obvious
The obvious read is that Cepeda leads the first round, so Cepeda is favored. That misses the structure of a two-round election. Cepeda is the only near-lock for the runoff, but his first-round lead does not translate into a runoff majority if anti-Petro voters treat the second round as a binary choice.

The other missed point is that Valencia’s problem is not runoff electability. It is access. Some polls still show her beating Cepeda head-to-head, but four of the five late polls put de la Espriella ahead of her in the first round, and the latest CNC and Atlas numbers put her near 13–14% while de la Espriella is near 31–37% ([El País final-poll roundup, 24 May 2026](https://elpais.com/america-colombia/elecciones-presidenciales/2026-05-24/la-foto-final-de-las-encuestas-ivan-cepeda-primero-y-abelardo-de-la-espriella-se-distancia-de-paloma-valencia.html); [Reuters via Investing.com, 23 May 2026](https://www.investing.com/news/commodities-news/colombian-rightwing-presidential-hopeful-leads-poll-for-runoff-vote-4708074)) ([elpais.com](https://elpais.com/america-colombia/elecciones-presidenciales/2026-05-24/la-foto-final-de-las-encuestas-ivan-cepeda-primero-y-abelardo-de-la-espriella-se-distancia-de-paloma-valencia.html)).

## Limitations
The largest uncertainty is the blackout week before 31 May. A late tactical-vote cascade inside the right could still help Valencia, or it could strengthen de la Espriella further. The second uncertainty is poll comparability: the final polls differ by mode, likely-voter screen, treatment of blank and undecided voters, and sponsor. AtlasIntel is useful because it caught de la Espriella’s surge, but it was also under CNE dispute over digital methodology and its Colombia polling was politically contested; de la Espriella’s campaign also contracted Atlas for a tracking service, which is a reason to downweight but not discard it ([El País on CNE–Atlas dispute, 21 May 2026](https://elpais.com/america-colombia/elecciones-presidenciales/2026-05-21/una-pelea-en-el-consejo-nacional-electoral-deja-en-el-limbo-las-encuestas-de-atlas-intel.html)) ([elpais.com](https://elpais.com/america-colombia/elecciones-presidenciales/2026-05-21/una-pelea-en-el-consejo-nacional-electoral-deja-en-el-limbo-las-encuestas-de-atlas-intel.html)).

A final tail remains for candidate death, withdrawal, legal disruption, postponed voting, or no official declaration by the client’s deadline. I keep that near 1%, because the ballot and election machinery are in place and no source I found points to an imminent official disruption ([Registraduría ballot notice, 25 Mar 2026](https://www.registraduria.gov.co/Conozca-la-posicion-de-los-candidatos-presidenciales-en-la-tarjeta-electoral.html)) ([registraduria.gov.co](https://www.registraduria.gov.co/Conozca-la-posicion-de-los-candidatos-presidenciales-en-la-tarjeta-electoral.html)).

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- [elpais.com](https://elpais.com/america-colombia/2026-03-12/paloma-elige-a-juan-daniel-oviedo-como-formula-vicepresidencial-tras-varios-dias-de-suspenso.html) (tool)
- [elpais.com](https://elpais.com/america-colombia/2026-03-10/abelardo-de-la-espriella-anuncia-como-formula-vicepresidencial-al-exministro-jose-manuel-restrepo.html) (tool)
- [infobae.com](https://www.infobae.com/colombia/2026/03/25/conservadores-descartaron-a-ivan-cepeda-escogeran-entre-paloma-valencia-y-abelardo-de-la-espriella-en-la-primera-vuelta) (tool)
- [elpais.com](https://elpais.com/america-colombia/elecciones-presidenciales/2026-05-06/el-camino-a-las-elecciones-presidenciales-de-colombia-2026-en-vivo.html?outputType=amp) (tool)
- [infobae.com](https://www.infobae.com/colombia/2026/03/09/abelardo-de-la-espriella-afirmo-que-respaldaria-a-paloma-valencia-si-avanza-a-segunda-vuelta-con-ivan-cepeda-yo-le-cargo-la-maleta) (tool)

## Question Details

Colombians vote on 31 May 2026 to choose a successor to leftist president Gustavo Petro, who is constitutionally barred from a consecutive second term. Under Colombia's Article 190, a candidate wins outright in the first round only with more than 50% of valid votes; otherwise the top two go to a runoff (segunda vuelta) on 21 June 2026. The Registraduría Nacional del Estado Civil certified 14 candidates on 20 March 2026. The race is dominated by three figures: Iván Cepeda, the Historic Pact senator who won the October 2025 left-wing primary and offers continuity with Petro's program; Abelardo de la Espriella, a hard-right lawyer running with Defensores de la Patria as an anti-Petro outsider; and Paloma Valencia, the Centro Democrático senator backed by uribismo. Sergio Fajardo (centrist former Antioquia governor) has consistently polled in the high single digits, with Claudia López, Vicky Dávila, Juan Manuel Galán, Roy Barreras, David Luna, Juan Carlos Pinzón, Mauricio Cárdenas, Daniel Quintero, Juan Daniel Oviedo, Luis Gilberto Murillo and Gustavo Bolívar all polling at 1–4%. The most recent AtlasIntel poll for Semana (6–9 Apr 2026, n=3,616, MoE ±2%) puts first-round support at Cepeda 38.7%, De la Espriella 27.8%, Valencia 23.4%, Fajardo 5.1%. The same survey has Cepeda losing both plausible runoff matchups by 7–9 points as anti-Petro voters consolidate. Polymarket pricing (≈$23M volume) is close to a three-way coin flip between Cepeda, Valencia, and De la Espriella, with all other candidates priced below 1%.

### Resolution Criteria

Resolves to the candidate (or 'Other') who is officially declared president-elect of Colombia by the Registraduría Nacional del Estado Civil for the 2026–2030 term, based on the final official scrutiny published at https://www.registraduria.gov.co/ and ratified by the Consejo Nacional Electoral. - If a candidate wins more than 50% of valid votes in the first round on 31 May 2026, that candidate is the winner. - Otherwise, the winner is the candidate who receives the most valid votes in the runoff on 21 June 2026 (or any rescheduled runoff date set by the electoral authority before resolution). The question resolves once the Registraduría publishes the official, final result of whichever round determines the presidency. If the result is contested but ultimately confirmed by the Consejo Nacional Electoral or upheld by the Consejo de Estado / Constitutional Court, it stands. Resolution timestamp deadline: 31 July 2026 (23:59 Bogotá time). Options: - Iván Cepeda — resolves YES iff Cepeda is declared president-elect. - Abelardo de la Espriella — resolves YES iff De la Espriella is declared president-elect. - Paloma Valencia — resolves YES iff Valencia is declared president-elect. - Sergio Fajardo — resolves YES iff Fajardo is declared president-elect. - Other — resolves YES iff any other candidate is declared president-elect, including any of the other 10+ certified candidates. Primary source: Registraduría Nacional del Estado Civil (registraduria.gov.co). Secondary corroboration: Consejo Nacional Electoral (cne.gov.co), Reuters, AP, Bloomberg, El Tiempo.

### Fine Print

If the election or runoff is postponed by official decree to a later date, the question still resolves on the final result of the rescheduled vote, provided that result is published by 31 July 2026; otherwise resolves 'Other' if no winner has been declared by the deadline (treat as ambiguous and use the latest available official tally if the run-off is still pending). If a candidate withdraws or dies between rounds and the runner-up of the first round advances per Colombian law (Art. 190), the runoff result still governs. Mere media projections without Registraduría confirmation do not resolve the question. Vote counts from preconteo (preliminary) do not count — only the escrutinio (official scrutiny) does.