Boston Marathon logo
BOSTON MARATHON 2023

Cassiana Stringhini

Bib: 11921•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:25/mi
23:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
45:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:14/mi
1:07:54
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:30:28
↑ 106↓ 860.1%
Half· 13.11 mi
7:08/mi
1:35:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:09/mi
1:52:41
↑ 66↓ 880.2%
30K· 18.64 mi
7:14/mi
2:15:10
↑ 181↓ 1480.2%
20M
7:19/mi
2:25:07
↑ 64↓ 500.2%
21M
7:34/mi
2:32:41
↑ 106↓ 241.6%
35K· 21.75 mi
7:06/mi
2:38:00
↑ 17↓ 861.7%
23M
7:14/mi
2:47:04
↑ 23↓ 630.6%
24M
7:06/mi
2:54:10
↓ 821.3%
40K· 24.85 mi
7:14/mi
3:00:21
↓ 200.3%
25.2M
7:50/mi
3:03:03
↑ 13↓ 160.2%
Finish· 26.22 mi
7:10/mi
3:10:21
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:35:20
Pace7:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:35:01
Pace7:15 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0423:017:2523:01
7:25
-
10K
6.21 mi11:12:3045:277:1922:26
7:13
-0:12
15K
9.32 mi11:34:571:07:547:1722:27
7:14
+0:01
20K
12.43 mi11:57:311:30:287:1722:34
7:16
+0:02
Half
13.11 mi12:02:231:35:207:164:52
7:08
-0:08
25K
15.53 mi12:19:441:52:417:1517:21
7:09
+0:01
30K
18.64 mi12:42:132:15:107:1522:29
7:14
+0:05
20M
20.00 mi12:52:102:25:077:159:57
7:19
+0:05
21M
21.00 mi12:59:442:32:417:167:34
7:34
+0:15
35K
21.75 mi13:05:032:38:007:165:19
7:06
-0:28
23M
23.00 mi13:14:072:47:047:169:04
7:14
+0:08
24M
24.00 mi13:21:132:54:107:157:06
7:06
-0:08
40K
24.85 mi13:27:243:00:217:156:11
7:14
+0:08
25.2M
25.20 mi13:30:063:03:037:162:42
7:50
+0:36
Finish
26.22 mi13:37:243:10:217:167:18
7:10
-0:40

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:06 /mi

Average Pace

7:16 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:39

99% of race

Time at Steady Pace

2:42

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:16 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:50:0423:017:2523:01
7:25
#8887
10K
6.21 mi11:12:3045:277:1922:26
7:13
#8548
15K
9.32 mi11:34:571:07:547:1722:27
7:14
#8339
20K
12.43 mi11:57:311:30:287:1722:34
7:16
#8110
Half
13.11 mi12:02:231:35:207:164:52
7:08
#8064
25K
15.53 mi12:19:441:52:417:1517:21
7:09
#7749
30K
18.64 mi12:42:132:15:107:1522:29
7:14
#7306
20M
20.00 mi12:52:102:25:077:159:57
7:19
#7155
21M
21.00 mi12:59:442:32:417:167:34
7:34
#6986
35K
21.75 mi13:05:032:38:007:165:19
7:06
#6931
23M
23.00 mi13:14:072:47:047:169:04
7:14
#6771
24M
24.00 mi13:21:132:54:107:157:06
7:06
#6669
40K
24.85 mi13:27:243:00:217:156:11
7:14
#6560
25.2M
25.20 mi13:30:063:03:037:162:42
7:50
#6532
Finish
26.22 mi13:37:243:10:217:167:18
7:10
#6501
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8887135013507982(Top 30%)1057(Top 9%)1057(Top 22%)
10K6.21 mi3.10 mi8548+3391235+1151235+1158261(Top 31%)1124(Top 10%)1124(Top 23%)
15K9.32 mi3.11 mi8339+2091158+771158+777982(Top 30%)1057(Top 9%)1057(Top 22%)
20K12.43 mi3.11 mi8110+2291086+721086+727535(Top 28%)940(Top 8%)940(Top 19%)
Half13.11 mi0.68 mi8064+461078+81078+87431(Top 28%)888(Top 8%)888(Top 18%)
25K15.53 mi2.42 mi7749+315985+93985+936436(Top 24%)679(Top 6%)679(Top 14%)
30K18.64 mi3.11 mi7306+443863+122863+1225701(Top 21%)549(Top 5%)549(Top 11%)
20M20.00 mi1.36 mi7155+151827+36827+365786(Top 22%)648(Top 6%)648(Top 13%)
21M21.00 mi1.00 mi6986+169795+32795+324953(Top 19%)514(Top 4%)514(Top 11%)
35K21.75 mi0.75 mi6931+55789+6789+65989(Top 22%)759(Top 7%)759(Top 16%)
23M23.00 mi1.25 mi6771+160771+18771+185020(Top 19%)534(Top 5%)534(Top 11%)
24M24.00 mi1.00 mi6669+102759+12759+125226(Top 20%)635(Top 6%)635(Top 13%)
40K24.85 mi0.85 mi6560+109745+14745+145086(Top 19%)679(Top 6%)679(Top 14%)
25.2M25.20 mi0.35 mi6532+28744+1744+15607(Top 21%)920(Top 8%)920(Top 19%)
Finish26.22 mi1.02 mi6501+31746-2746-26205(Top 23%)1129(Top 10%)1129(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7982

Females

1057

F18-39

1057

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8261

Females

1124

F18-39

1124

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7982

Females

1057

F18-39

1057

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7535

Females

940

F18-39

940

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7431

Females

888

F18-39

888

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6436

Females

679

F18-39

679

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5701

Females

549

F18-39

549

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

5786

Females

648

F18-39

648

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

4953

Females

514

F18-39

514

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5989

Females

759

F18-39

759

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5020

Females

534

F18-39

534

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5226

Females

635

F18-39

635

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5086

Females

679

F18-39

679

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5607

Females

920

F18-39

920

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6205

Females

1129

F18-39

1129

Passing Analysis

Category:
Athletes Passed
2689
Passed By
303
Net Change
+2386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8887
5K → 10K456117+339#8887#8548
10K → 15K26455+209#8548#8339
15K → 20K25930+229#8339#8110
20K → Half504+46#8110#8064
Half → 25K3216+315#8064#7749
25K → 30K4463+443#7749#7306
30K → 20M1554+151#7306#7155
20M → 21M1789+169#7155#6986
21M → 35K616+55#6986#6931
35K → 23M1666+160#6931#6771
23M → 24M1097+102#6771#6669
24M → 40K12011+109#6669#6560
40K → 25.2M368+28#6560#6532
25.2M → Finish6837+31#6532#6501
TOTALS2689303+2386
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing