Boston Marathon logo
BOSTON MARATHON 2023

Sonia Scaria

Bib: 15427•F

CA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Division (F18-39)
#0 / 4884
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:38
Rank: #13505
Start → 5K
24:38 | 7:56/mi
10K· 6.21 mi
49:12
Rank: #13725 (-220)
5K → 10K
24:34 | 7:54/mi
15K· 9.32 mi
1:14:08
Rank: #13999 (-274)
10K → 15K
24:56 | 8:02/mi
20K· 12.43 mi
1:39:02
Rank: #13852 (+147)
15K → 20K
24:54 | 8:01/mi
Half· 13.11 mi
1:44:20
Rank: #13776 (+76)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:03:47
Rank: #13633 (+143)
Half → 25K
19:27 | 8:01/mi
30K· 18.64 mi
2:29:05
Rank: #13285 (+348)
25K → 30K
25:18 | 8:09/mi
20M
2:40:07
Rank: #13096 (+189)
30K → 20M
11:02 | 8:07/mi
21M
2:48:45
Rank: #12945 (+151)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:54:43
Rank: #12897 (+48)
21M → 35K
5:58 | 7:59/mi
23M
3:05:20
Rank: #12895 (+2)
35K → 23M
10:37 | 8:29/mi
24M
3:13:42
Rank: #12919 (-24)
23M → 24M
8:22 | 8:22/mi
40K· 24.85 mi
3:20:55
Rank: #12902 (+17)
24M → 40K
7:13 | 8:26/mi
25.2M
3:23:57
Rank: #12877 (+25)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:31:54
Rank: #12785 (+92)
25.2M → Finish
7:57 | 7:48/mi

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 HalfFaster
Distance13.11 mi
Time1:44:20
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:47:34
Pace8:12 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:1124:387:5624:38
7:56
-
10K
6.21 mi11:19:4549:127:5524:34
7:54
-0:02
15K
9.32 mi11:44:411:14:087:5724:56
8:02
+0:08
20K
12.43 mi12:09:351:39:027:5824:54
8:01
-0:01
Half
13.11 mi12:14:531:44:207:585:18
7:46
-0:15
25K
15.53 mi12:34:202:03:477:5819:27
8:01
+0:15
30K
18.64 mi12:59:382:29:058:0025:18
8:09
+0:08
20M
20.00 mi13:10:402:40:078:0011:02
8:07
-0:02
21M
21.00 mi13:19:182:48:458:028:38
8:38
+0:31
35K
21.75 mi13:25:162:54:438:025:58
7:59
-0:39
23M
23.00 mi13:35:533:05:208:0310:37
8:29
+0:30
24M
24.00 mi13:44:153:13:428:048:22
8:22
-0:07
40K
24.85 mi13:51:283:20:558:057:13
8:26
+0:04
25.2M
25.20 mi13:54:303:23:578:063:02
8:48
+0:22
Finish
26.22 mi14:02:273:31:548:057:57
7:48
-1:00

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

7:46 /mi

Average Pace

8:05 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:14

94% of race

Time at Steady Pace

11:40

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:05 /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 mi10:55:1124:387:5624:38
7:56
#13505
10K
6.21 mi11:19:4549:127:5524:34
7:54
#13725
15K
9.32 mi11:44:411:14:087:5724:56
8:02
#13999
20K
12.43 mi12:09:351:39:027:5824:54
8:01
#13852
Half
13.11 mi12:14:531:44:207:585:18
7:46
#13776
25K
15.53 mi12:34:202:03:477:5819:27
8:01
#13633
30K
18.64 mi12:59:382:29:058:0025:18
8:09
#13285
20M
20.00 mi13:10:402:40:078:0011:02
8:07
#13096
21M
21.00 mi13:19:182:48:458:028:38
8:38
#12945
35K
21.75 mi13:25:162:54:438:025:58
7:59
#12897
23M
23.00 mi13:35:533:05:208:0310:37
8:29
#12895
24M
24.00 mi13:44:153:13:428:048:22
8:22
#12919
40K
24.85 mi13:51:283:20:558:057:13
8:26
#12902
25.2M
25.20 mi13:54:303:23:578:063:02
8:48
#12877
Finish
26.22 mi14:02:273:31:548:057:57
7:48
#12785
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi135053721372114594(Top 55%)4437(Top 39%)4437(Top 91%)
10K6.21 mi3.10 mi13725-2203881-1603881-16014056(Top 53%)4080(Top 36%)4080(Top 84%)
15K9.32 mi3.11 mi13999-2744054-1734054-17314594(Top 55%)4437(Top 39%)4437(Top 91%)
20K12.43 mi3.11 mi13852+1473991+633991+6313563(Top 51%)3849(Top 34%)3849(Top 79%)
Half13.11 mi0.68 mi13776+763944+473944+4712526(Top 47%)3229(Top 28%)3229(Top 66%)
25K15.53 mi2.42 mi13633+1433890+543890+5412933(Top 49%)3590(Top 31%)3590(Top 74%)
30K18.64 mi3.11 mi13285+3483718+1723718+17211962(Top 45%)3168(Top 28%)3168(Top 65%)
20M20.00 mi1.36 mi13096+1893621+973621+9711190(Top 42%)2831(Top 25%)2831(Top 58%)
21M21.00 mi1.00 mi12945+1513556+653556+6511291(Top 42%)3030(Top 27%)3030(Top 62%)
35K21.75 mi0.75 mi12897+483546+103546+1011988(Top 45%)3424(Top 30%)3424(Top 70%)
23M23.00 mi1.25 mi12895+23572-263572-2613102(Top 49%)4123(Top 36%)4123(Top 84%)
24M24.00 mi1.00 mi12919-243597-253597-2513651(Top 51%)4470(Top 39%)4470(Top 92%)
40K24.85 mi0.85 mi12902+173616-193616-1912998(Top 49%)4202(Top 37%)4202(Top 86%)
25.2M25.20 mi0.35 mi12877+253609+73609+711391(Top 43%)3403(Top 30%)3403(Top 70%)
Finish26.22 mi1.02 mi12785+923579+303579+3010718(Top 40%)3050(Top 27%)3050(Top 62%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14594

Females

4437

F18-39

4437

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14056

Females

4080

F18-39

4080

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14594

Females

4437

F18-39

4437

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13563

Females

3849

F18-39

3849

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

12526

Females

3229

F18-39

3229

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

12933

Females

3590

F18-39

3590

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11962

Females

3168

F18-39

3168

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11190

Females

2831

F18-39

2831

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11291

Females

3030

F18-39

3030

21M→35K

21.0 - 21.8 mi

Top 45%
×7stories
+17ft-86ft

Overall

11988

Females

3424

F18-39

3424

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13102

Females

4123

F18-39

4123

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13651

Females

4470

F18-39

4470

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12998

Females

4202

F18-39

4202

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11391

Females

3403

F18-39

3403

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10718

Females

3050

F18-39

3050

Passing Analysis

Category:
Athletes Passed
2063
Passed By
1343
Net Change
+720
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13505
5K → 10K206426-220#13505#13725
10K → 15K84358-274#13725#13999
15K → 20K24497+147#13999#13852
20K → Half826+76#13852#13776
Half → 25K21168+143#13776#13633
25K → 30K40355+348#13633#13285
30K → 20M20112+189#13285#13096
20M → 21M18231+151#13096#12945
21M → 35K7123+48#12945#12897
35K → 23M8684+2#12897#12895
23M → 24M5983-24#12895#12919
24M → 40K7760+17#12919#12902
40K → 25.2M4015+25#12902#12877
25.2M → Finish11725+92#12877#12785
TOTALS20631343+720
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing