La carrera reunió a seiscientas personas del barrio y de otros pueblos.

Reunió comes from the infinitive reunir.

In this sentence, reunió means something like gathered, brought together, or drew. So La carrera reunió... means that the race/event brought a number of people together.

This is a very common way to talk about events in Spanish:

• El concierto reunió a miles de fans. = The concert brought together thousands of fans.
• La manifestación reunió a mucha gente. = The demonstration gathered a lot of people.

It is in the preterite because it describes a completed event in the past.

Reunió = it gathered / it brought together

The sentence is talking about one finished occurrence: the race took place, and it gathered 600 people.

Compare:

• La carrera reunió a seiscientas personas. = The race gathered 600 people.
  → one completed event
• La carrera reunía a seiscientas personas cada año. = The race used to gather 600 people every year.
  → repeated/habitual background action in the past

This is the personal a.

In Spanish, when the direct object refers to people (or sometimes pets / personified beings), you usually use a.

So:

• La carrera reunió a seiscientas personas.

Even though in English we do not add anything special before 600 people, Spanish does.

Compare:

• Vi a María. = I saw María.
• Conocemos a muchas personas. = We know many people.
• La carrera reunió a seiscientas personas.

But with things, there is normally no personal a:

• La carrera reunió mucho apoyo. = The race gathered a lot of support.

Because seiscientas agrees in gender with personas, which is a feminine noun.

• seiscientas personas
• seiscientos hombres

Spanish hundreds from 200 onward agree in gender with the noun:

• doscientos libros
• doscientas casas
• quinientos coches
• quinientas personas

Since persona is always grammatically feminine, the sentence uses seiscientas.

Because del is the contraction of de + el.

So:

• del barrio = de el barrio = from the neighborhood / of the neighborhood

In this sentence, de shows origin or where the people were from:

• personas del barrio = people from the neighborhood
• personas de otros pueblos = people from other towns

Spanish almost always contracts:

• de + el = del
• a + el = al

But only with the article el, not with la:

• de la ciudad (not contracted)

It is repeated because Spanish often repeats the preposition before the second element in a coordination, especially when it helps clarity.

So:

• del barrio y de otros pueblos

This clearly means:

• some people were from the neighborhood
• others were from other towns

You may sometimes see Spanish omit a repeated preposition in other contexts, but here repeating de sounds natural and clear.

Barrio usually means neighborhood or district.

For a learner of Spanish from Spain, barrio often refers to a local area within a town or city where people live. It can be neutral, affectionate, or very community-based depending on context.

Examples:

• el barrio = the neighborhood
• mi barrio = my neighborhood

It is not always a perfect one-to-one match with English neighborhood, but that is usually the best translation.

In Spain, pueblo usually means town or village, especially a smaller place than a city.

So:

• otros pueblos = other towns / other villages

This suggests the race attracted people not only from the local neighborhood but also from nearby smaller places.

Compare:

• pueblo = town / village
• ciudad = city

In Spain, pueblo is a very common and culturally important word.

Most likely, yes.

Carrera can mean different things depending on context:

• race (sports/event)
• degree course / university major
• career in some contexts, though this is less direct than English career

In this sentence, because it says the event gathered six hundred people from the neighborhood and other towns, race is the most natural meaning.

That is the most neutral and straightforward word order in Spanish:

• Subject + verb + object

So:

• La carrera = subject
• reunió = verb
• a seiscientas personas... = direct object

Spanish word order is more flexible than English, but this version is natural because it presents the event first and then says what it did.

You could change the order for style or emphasis, but the original is the standard, unmarked structure.

Sometimes, but reunió is better here.

Both verbs can relate to bringing people together, but:

• reunir often sounds more natural in formal or report-like descriptions of events
• juntar often feels more physical or a bit less formal, depending on context

For an event attracting attendees, Spanish commonly uses:

• reunir
• atraer (to attract)
• convocar (to draw/convene, more formal)

So La carrera reunió a seiscientas personas sounds very natural.

The accent marks the stress on the final syllable: reu-nió.

It is the third-person singular preterite form:

• yo reuní
• tú reuniste
• él/ella/usted reunió

The written accent is important because it distinguishes the correct pronunciation and form.

Yes.

del barrio y de otros pueblos suggests two groups:

• people from the local neighborhood
• people from other towns

So the sentence gives the idea that the race had a broader reach than just the immediate local area. It was not only a neighborhood event; it also attracted people from outside.