> ## Documentation Index > Fetch the complete documentation index at: https://partner-help.letsdothis.com/llms.txt > Use this file to discover all available pages before exploring further. # List races for an event occurrence > Returns a paginated list of races associated with a given event occurrence. ## OpenAPI ````yaml /openapi.json get /v0/event-occurrences/{id}/races openapi: 3.1.0 info: title: Let's Do This API version: 0.1.0 description: > The full reference — getting started, pagination, error responses, rate limits and the changelog — lives at [partner-help.letsdothis.com/api-reference](https://partner-help.letsdothis.com/api-reference/overview). This page is the interactive OpenAPI view of the same specification. # Authentication Create an API key from **Settings** → **Credentials** in your Let's Do This account and send it as a bearer token: ```bash curl --request GET \ --url "https://api.letsdothis.com/v0/participants" \ --header "Authorization: Bearer YOUR-API-KEY" ``` Keep the key secret: it identifies your organization, so do not ship it in a website or native app. If a key is exposed, revoke it from the same section and create a replacement. # OpenAPI schema Download the [OpenAPI schema](https://api.letsdothis.com/documentation/json) to use with Postman or an OpenAPI client generator. servers: - url: https://api.letsdothis.com description: Production - url: https://api.staging.letsdothis.com description: Staging security: - bearerAuth: [] tags: - name: Events x-group: Events description: Events that participants can register for. - name: EventOccurrences x-group: Event occurrences description: >- Event occurrences scoped to the organizer associated with your Public API credentials. Unlike the public Events catalog, results are limited to your own events. - name: Races x-group: Races description: >- Races within an event occurrence. An event occurrence may have one or more races, for example a 5K and a 10K within the same race day. - name: Tickets x-group: Tickets description: Tickets that are available for events. - name: BookingForms x-group: Booking forms description: >- Booking forms define the questions a booker answers when registering for a ticket. A ticket usually references a single booking form, so expect zero or one, while a booking form may be shared across multiple tickets. - name: BookingFormFields x-group: Booking form fields description: >- Booking form fields are the individual questions on a booking form — their type, label, options, and whether an answer is required. A field can be reused across multiple forms. - name: Bookings x-group: Bookings description: >- Bookings are the transaction record for a registration. A booking may contain one or more participants (entries). - name: Participant x-group: Participants description: Participants are users who successfully booked an event. - name: LineItem x-group: Line items description: Financial details related to individual items within transactions. - name: AddOns x-group: Add-ons description: >- Organizer-owned products that can be purchased and allocated to participants. Imported products retain stable external identities. - name: DiscountCodes x-group: Discount codes description: >- Discount codes participants enter at checkout to reduce the price of a booking. - name: Credits x-group: Credits description: >- Credits are balances participants can spend at checkout, identified by their email address. - name: Referrals x-group: Referrals description: >- Referral programs, the referrers registered on them, and asynchronous imports of historical referrals. - name: Application x-group: Applications description: >- Applications are created when a user applies for tickets that are set up to require an application process, such as balloted or "Good For Age" entries. - name: Partner x-group: Partners description: >- Partners that were created by the organization who can have Reserved Entries assigned to them. - name: ReservedEntries x-group: Reserved entries description: >- Reserved Entries are entries that are reserved for a partner. After being assigned, the partner can then allocate these entries to participants. - name: Timing x-group: Timing description: >- Timing providers push bib numbers and bib-pack shipments back to Let's Do This for the startlist entries they received. Available to select timing partners only. paths: /v0/event-occurrences/{id}/races: get: tags: - Races summary: List races for an event occurrence description: >- Returns a paginated list of races associated with a given event occurrence. parameters: - schema: type: - number - 'null' minimum: 1 maximum: 500 example: 100 in: query name: page[size] required: false description: >- The number of entries to return per page. Range between 1 - 500, defaults to 100 - schema: type: - string - 'null' in: query name: page[after] required: false description: >- Accepts an existing page cursor. For more details see the definition of PageCursor in the response. - schema: type: - string - 'null' in: query name: page[before] required: false description: >- Accepts an existing page cursor. For more details see the definition of PageCursor in the response. - schema: type: string example: '12345678901' in: path name: id required: true description: The ID of the event occurrence to query by. responses: '200': description: Default Response content: application/json: schema: $ref: '#/components/schemas/PagedRaceSummaries' components: schemas: PagedRaceSummaries: title: PagedRaceSummaries type: object properties: data: type: array items: $ref: '#/components/schemas/RaceSummary' page: $ref: '#/components/schemas/PageCursor' required: - data - page additionalProperties: false description: A paginated list of race summaries for an event occurrence. RaceSummary: title: RaceSummary type: object properties: id: type: string description: A unique identifier for this race example: '12345678902' title: type: string description: The title for this race example: Half Marathon titleByLocale: type: object additionalProperties: type: string description: >- Race title translated to multiple locales. Will always include the default title, and may also specify translations in a number of other locales. example: en-GB: Half Marathon fr-FR: Semi-Marathon discipline: $ref: '#/components/schemas/SportDiscipline' distance: $ref: '#/components/schemas/RaceDistance' startDate: type: string description: >- (Optional) A plain date string representing the race's start date For races that do not have a confirmed start date, this field may be undefined. example: '2026-10-04' startTime: type: string description: >- (Optional) A plain time string representing the race's start time For races that do not have a confirmed start time, this field may be undefined. example: '09:00:00' priceRange: $ref: '#/components/schemas/PriceRange' required: - id - title - titleByLocale - distance - priceRange additionalProperties: false description: >- A lean summary of a race, returned in list contexts where the full race payload is unnecessary. PageCursor: title: PageCursor type: object properties: totalResults: type: number description: The total number of results available. first: type: string description: The cursor for the first page of results. last: type: string description: The cursor for the last page of results. prev: type: string description: The cursor for the previous page of results. next: type: string description: The cursor for the next page of results. required: - totalResults - first - last - prev - next additionalProperties: false description: >- **Cursor details for pagination**. - In scenarios with large amounts of data, it's common to return only a subset of data in a single request, known as a "page". - Most API responses include two objects: a 'data' object with the query results, and a 'PageCursor' object detailing the current page. - Cursors can be used to navigate to earlier or later pages in the set of results. For instance, passing the 'next' cursor from 'PageCursor' fetches the next set of results. - Cursors are base64 encoded strings. example: totalResults: 506 first: >- eyJpZCI6IjYzOTljMjAwMTVkNjBhZTNmZjI4ZjI0YyIsInVwZGF0ZWRBdCI6IjIwMjItMTItMTRUMTI6MzA6NTkuMjE3WiJ9 last: >- eyJpZCI6IjY1NGNkZDIxZDlhMTU3ODdiNzFkMTM0YSIsInVwZGF0ZWRBdCI6IjIwMjMtMTEtMTNUMTU6MTE6MTIuNzI0WiJ9 prev: '' next: >- eyJpZCI6IjY0NzBkNTkwM2RjOWE5OWJhMTA0Y2ZhYiIsInVwZGF0ZWRBdCI6IjIwMjMtMTEtMTNUMTU6MTE6MTIuNjE4WiJ9 SportDiscipline: title: SportDiscipline type: string enum: - RUNNING - ROAD_CYCLING - TRIATHLON - OBSTACLE - SWIMMING - MOUNTAIN_BIKING - DUATHLON - SWIMRUN - OTHER - ADVENTURE_RACE - AQUABIKE - AQUATHLON - BIATHLON - QUADRATHLON - ALPINE_SKIING - CLIMBING - CYCLOCROSS - CROSS_COUNTRY_SKIING - HIKING - HORSE_RIDING - KAYAKING - ORIENTEERING - ROWING - SUP - RUNCYCLE - BIKE_TOUR - OFFROAD_BIKING RaceDistance: title: RaceDistance type: object properties: value: type: number description: >- Distance value For poorly categorized races, this field may be undefined. example: 13.1 unit: $ref: '#/components/schemas/DistanceUnit' additionalProperties: false PriceRange: title: PriceRange type: object properties: min: $ref: '#/components/schemas/Price' max: $ref: '#/components/schemas/Price' additionalProperties: false DistanceUnit: title: DistanceUnit type: string enum: - KM - MI - M - YD - MIN description: |- Distance unit for race measurements. Possible values: - `KM` - Kilometers - `MI` - Miles - `M` - Meters - `YD` - Yards - `MIN` - Minutes (for time-based events) example: MI Price: title: Price type: object properties: value: $ref: '#/components/schemas/PriceValue' currencyCode: $ref: '#/components/schemas/CurrencyCode' required: - value - currencyCode additionalProperties: false description: >- A monetary value in 100x base unit format. For example, 1 GBP is represented as: _{ "value": 100, "currencyCode": "GBP" }_ And 5 cents are represented as: _{ "value": 5, "currencyCode": "USD" }_ PriceValue: title: PriceValue type: number description: >- A monetary value in 100x base unit format. For example, 1 GBP is represented as: 100, and 5 cents are represented as: 5 example: 5000 CurrencyCode: title: CurrencyCode type: string enum: - AUD - CAD - DKK - EUR - GBP - INR - MXN - PHP - USD - ZERO securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT ````