diff --git a/lib/domain/dtos/filters/RunFilterDto.js b/lib/domain/dtos/filters/RunFilterDto.js
index 2dc9ce98ad..93f3d5e238 100644
--- a/lib/domain/dtos/filters/RunFilterDto.js
+++ b/lib/domain/dtos/filters/RunFilterDto.js
@@ -32,6 +32,13 @@ const EorReasonFilterDto = Joi.object({
 });
 
 exports.RunFilterDto = Joi.object({
+    beamModes: CustomJoi.stringArray().items(Joi.string()
+        .trim()
+        .pattern(/^[A-Z]+(?: [A-Z]+)*$/)
+        .messages({
+            'string.pattern.base':
+            'Beam modes "{{#value}}" must contain only uppercase letters and single spaces between words.',
+        })),
     runNumbers: Joi.string().trim().custom(validateRange).messages({
         [RANGE_INVALID]: '{{#message}}',
         'string.base': 'Run numbers must be comma-separated numbers or ranges (e.g. 12,15-18)',
diff --git a/lib/usecases/run/GetAllRunsUseCase.js b/lib/usecases/run/GetAllRunsUseCase.js
index d25762ad00..df1b5f7f5b 100644
--- a/lib/usecases/run/GetAllRunsUseCase.js
+++ b/lib/usecases/run/GetAllRunsUseCase.js
@@ -82,6 +82,7 @@ class GetAllRunsUseCase {
                 inelasticInteractionRateAtEnd,
                 gaq,
                 detectorsQc,
+                beamModes,
             } = filter;
 
             if (runNumbers) {
@@ -113,6 +114,10 @@ class GetAllRunsUseCase {
                 filteringQueryBuilder.where('definition').oneOf(...definitions);
             }
 
+            if (beamModes) {
+                filteringQueryBuilder.where('lhcBeamMode').oneOf(...beamModes);
+            }
+
             if (eorReason) {
                 const eorReasonTypeWhere = {};
                 if (eorReason.category) {
diff --git a/test/api/runs.test.js b/test/api/runs.test.js
index 4322040bb3..083771bf02 100644
--- a/test/api/runs.test.js
+++ b/test/api/runs.test.js
@@ -142,6 +142,37 @@ module.exports = () => {
             expect(runs).to.lengthOf(20);
         });
 
+        it('should successfully filter with single beamMode', async () => {
+            const response = await request(server).get('/api/runs?filter[beamModes]=STABLE BEAMS');
+
+            expect(response.status).to.equal(200);
+            const { data: runs } = response.body;
+            
+            expect(runs).to.lengthOf(5);
+        });
+
+        it('should successfully filter with multiple beamModes', async () => {
+            const response = await request(server).get('/api/runs?filter[beamModes]=STABLE BEAMS,NO BEAM');
+
+            expect(response.status).to.equal(200);
+            const { data: runs } = response.body;
+            
+            expect(runs).to.lengthOf(6);
+        });
+
+        it('should return 400 if beamModes filter has the incorrect format', async () => {
+            const beamModeString = '*THERE\'S NON LETTERS IN HERE';
+            const response = await request(server).get(`/api/runs?filter[beamModes]=${beamModeString}`);
+
+
+            expect(response.status).to.equal(400);
+
+            const { errors: [error] } = response.body;
+
+            expect(error.title).to.equal('Invalid Attribute');
+            expect(error.detail).to.equal(`Beam modes "${beamModeString}" must contain only uppercase letters and single spaces between words.`);
+        });
+
         it('should successfully filter on multiple specified run numbers', async () => {
             const response = await request(server).get('/api/runs?filter[runNumbers]=17,18');
 
diff --git a/test/lib/usecases/run/GetAllRunsUseCase.test.js b/test/lib/usecases/run/GetAllRunsUseCase.test.js
index 55e5551485..5b080d056c 100644
--- a/test/lib/usecases/run/GetAllRunsUseCase.test.js
+++ b/test/lib/usecases/run/GetAllRunsUseCase.test.js
@@ -183,6 +183,32 @@ module.exports = () => {
         }
     });
 
+    it('should successfully filter on beamModes', async () => {
+        const singleBeamMode = ['STABLE BEAMS'];
+        const multipleBeamMode = ['STABLE BEAMS', 'NO BEAM'];
+        const nonExistentBeamMode = ['DOES NOT EXIST'];
+
+        getAllRunsDto.query = { filter: { beamModes: singleBeamMode } };
+        {
+            const { runs } = await new GetAllRunsUseCase().execute(getAllRunsDto); 
+            expect(runs).to.have.lengthOf(5);
+            expect(runs.every(({ lhcBeamMode }) => singleBeamMode.includes(lhcBeamMode))).to.be.true;
+        }
+
+        getAllRunsDto.query = { filter: { beamModes: multipleBeamMode } };
+        {
+            const { runs } = await new GetAllRunsUseCase().execute(getAllRunsDto);
+            expect(runs).to.have.lengthOf(6);
+            expect(runs.every(({ lhcBeamMode }) => multipleBeamMode.includes(lhcBeamMode))).to.be.true;
+        }
+        
+        getAllRunsDto.query = { filter: { beamModes: nonExistentBeamMode } };
+        {
+            const { runs } = await new GetAllRunsUseCase().execute(getAllRunsDto);
+            expect(runs).to.have.lengthOf(0);
+        }
+    });
+
     it('should successfully filter on run definition', async () => {
         const PHYSICS_COUNT = 7;
         const COSMICS_COUNT = 2;