diff --git a/rowers/dataroutines.py b/rowers/dataroutines.py
index d34a1a3e..a47521d5 100644
--- a/rowers/dataroutines.py
+++ b/rowers/dataroutines.py
@@ -1648,10 +1648,14 @@ def read_data(columns, ids=[], doclean=True, workstrokesonly=True, debug=False,
         datadf = pl.concat(data)
         existing_columns = [col for col in columns if col in datadf.columns]
         datadf = datadf.select(existing_columns)
-    except (ShapeError, SchemaError, ColumnNotFoundError):
-        data = [
-            df.select(columns)
-            for df in data]
+    except (ShapeError, SchemaError):
+        try:
+            data = [
+                df.select(columns)
+                for df in data]
+        except ColumnNotFoundError:
+            existing_columns = [col for col in columns if col in df.columns]
+            df = df.select(existing_columns)
 
         # float columns
         floatcolumns = []
@@ -1686,14 +1690,19 @@ def read_data(columns, ids=[], doclean=True, workstrokesonly=True, debug=False,
             ]
         except ComputeError:
             pass
+        except ColumnNotFoundError:
+            pass
 
         try:
             datadf = pl.concat(data)
         except SchemaError:
-            data = [
-                df.with_columns(cs.integer().cast(pl.Float64)) for df in data
-            ]
-            datadf = pl.concat(data)
+            try:
+                data = [
+                    df.with_columns(cs.integer().cast(pl.Float64)) for df in data
+                ]
+                datadf = pl.concat(data)
+            except ShapeError:
+                return pl.DataFrame()
 
         
 
diff --git a/rowers/integrations/intervals.py b/rowers/integrations/intervals.py
index eac69c03..ce3ae480 100644
--- a/rowers/integrations/intervals.py
+++ b/rowers/integrations/intervals.py
@@ -18,6 +18,7 @@ from uuid import uuid4
 from django.utils import timezone
 from datetime import timedelta
 import rowers.dataprep as dataprep
+from rowers.opaque import encoder
 
 from rowsandall_app.settings import (
     INTERVALS_CLIENT_ID, INTERVALS_REDIRECT_URI, INTERVALS_CLIENT_SECRET, SITE_URL
@@ -171,6 +172,7 @@ class IntervalsIntegration(SyncIntegration):
         params = {
             'name': workout.name,
             'description': workout.notes,
+            'external_id': encoder.encode_hex(workout.id),
             }
 
 
diff --git a/rowers/integrations/trainingpeaks.py b/rowers/integrations/trainingpeaks.py
index 8dbefd35..93a73089 100644
--- a/rowers/integrations/trainingpeaks.py
+++ b/rowers/integrations/trainingpeaks.py
@@ -67,7 +67,10 @@ class TPIntegration(SyncIntegration):
         except TypeError:
             newnotes = 'from '+w.workoutsource+' via rowsandall.com'
 
-        row.exporttotcx(tcxfilename, notes=newnotes, sport=tpmapping[w.workouttype])
+        try:
+            row.exporttotcx(tcxfilename, notes=newnotes, sport=tpmapping[w.workouttype])
+        except KeyError:
+            row.exporttotcx(tcxfilename, notes=newnotes, sport='other')
 
         return tcxfilename
 
diff --git a/rowers/tasks.py b/rowers/tasks.py
index b8ab9014..6dc30f32 100644
--- a/rowers/tasks.py
+++ b/rowers/tasks.py
@@ -3741,7 +3741,8 @@ def handle_c2_async_workout(alldata, userid, c2token, c2id, delaysec,
         code=uuid4().hex[:16], c2id=c2id)
 
     startdatetime, starttime, workoutdate, duration, starttimeunix, timezone = utils.get_startdatetime_from_c2data(
-        data)
+        data
+    )
 
     s = 'Time zone {timezone}, startdatetime {startdatetime}, duration {duration}'.format(
         timezone=timezone, startdatetime=startdatetime,
@@ -3801,6 +3802,7 @@ def handle_c2_async_workout(alldata, userid, c2token, c2id, delaysec,
             strokelength = np.zeros(nr_rows)
 
         dist2 = 0.1*strokedata.loc[:, 'd']
+        cumdist, intervals = make_cumvalues(dist2)
 
         try:
             spm = strokedata.loc[:, 'spm']
@@ -3842,7 +3844,7 @@ def handle_c2_async_workout(alldata, userid, c2token, c2id, delaysec,
                            ' lapIdx': lapidx,
                            ' WorkoutState': 4,
                            ' ElapsedTime (sec)': seconds,
-                           'cum_dist': dist2
+                           'cum_dist': cumdist
                            })
 
     df.sort_values(by='TimeStamp (sec)', ascending=True)
diff --git a/rowers/tests/testdata/testdata.tcx.gz b/rowers/tests/testdata/testdata.tcx.gz
index eca15abb..7c4266ea 100644
Binary files a/rowers/tests/testdata/testdata.tcx.gz and b/rowers/tests/testdata/testdata.tcx.gz differ