Boston Marathon logo
BOSTON MARATHON 2023

Ana Dutra

Bib: 10189•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Division (F18-39)
#0 / 4884
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:31
Rank: #7799
Start → 5K
22:31 | 7:15/mi
10K· 6.21 mi
44:47
Rank: #7820 (-21)
5K → 10K
22:16 | 7:10/mi
15K· 9.32 mi
1:06:57
Rank: #7642 (+178)
10K → 15K
22:10 | 7:08/mi
20K· 12.43 mi
1:29:57
Rank: #7820 (-178)
15K → 20K
23:00 | 7:24/mi
Half· 13.11 mi
1:34:56
Rank: #7858 (-38)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:53:19
Rank: #8032 (-174)
Half → 25K
18:23 | 7:35/mi
30K· 18.64 mi
2:18:16
Rank: #8504 (-472)
25K → 30K
24:57 | 8:02/mi
20M
2:29:52
Rank: #8902 (-398)
30K → 20M
11:36 | 8:32/mi
21M
2:39:07
Rank: #9244 (-342)
20M → 21M
9:15 | 9:15/mi
35K· 21.75 mi
2:45:12
Rank: #9370 (-126)
21M → 35K
6:05 | 8:08/mi
23M
2:56:03
Rank: #9644 (-274)
35K → 23M
10:51 | 8:40/mi
24M
3:04:09
Rank: #9716 (-72)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:11:16
Rank: #9801 (-85)
24M → 40K
7:07 | 8:19/mi
25.2M
3:14:32
Rank: #9882 (-81)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:23:09
Rank: #10086 (-204)
25.2M → Finish
8:37 | 8:27/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
Time1:34:56
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:48:13
Pace8:15 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3822:317:1522:31
7:15
-
10K
6.21 mi11:10:5444:477:1222:16
7:10
-0:05
15K
9.32 mi11:33:041:06:577:1122:10
7:08
-0:02
20K
12.43 mi11:56:041:29:577:1423:00
7:24
+0:16
Half
13.11 mi12:01:031:34:567:144:59
7:18
-0:06
25K
15.53 mi12:19:261:53:197:1818:23
7:35
+0:17
30K
18.64 mi12:44:232:18:167:2524:57
8:02
+0:27
20M
20.00 mi12:55:592:29:527:3011:36
8:32
+0:30
21M
21.00 mi13:05:142:39:077:359:15
9:15
+0:43
35K
21.75 mi13:11:192:45:127:366:05
8:08
-1:07
23M
23.00 mi13:22:102:56:037:3910:51
8:40
+0:32
24M
24.00 mi13:30:163:04:097:408:06
8:06
-0:34
40K
24.85 mi13:37:233:11:167:427:07
8:19
+0:13
25.2M
25.20 mi13:40:393:14:327:433:16
9:28
+1:09
Finish
26.22 mi13:49:163:23:097:458:37
8:27
-1:01

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

7:08 /mi

Average Pace

7:45 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:19

56% of race

Time at Steady Pace

54:52

27% of race

Time at Slower Pace

34:58

17% of race

Average Pace: 7:45 /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 mi10:48:3822:317:1522:31
7:15
#7799
10K
6.21 mi11:10:5444:477:1222:16
7:10
#7820
15K
9.32 mi11:33:041:06:577:1122:10
7:08
#7642
20K
12.43 mi11:56:041:29:577:1423:00
7:24
#7820
Half
13.11 mi12:01:031:34:567:144:59
7:18
#7858
25K
15.53 mi12:19:261:53:197:1818:23
7:35
#8032
30K
18.64 mi12:44:232:18:167:2524:57
8:02
#8504
20M
20.00 mi12:55:592:29:527:3011:36
8:32
#8902
21M
21.00 mi13:05:142:39:077:359:15
9:15
#9244
35K
21.75 mi13:11:192:45:127:366:05
8:08
#9370
23M
23.00 mi13:22:102:56:037:3910:51
8:40
#9644
24M
24.00 mi13:30:163:04:097:408:06
8:06
#9716
40K
24.85 mi13:37:233:11:167:427:07
8:19
#9801
25.2M
25.20 mi13:40:393:14:327:433:16
9:28
#9882
Finish
26.22 mi13:49:163:23:097:458:37
8:27
#10086
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi77999509507387(Top 28%)860(Top 8%)860(Top 18%)
10K6.21 mi3.10 mi7820-21957-7957-77894(Top 30%)1019(Top 9%)1019(Top 21%)
15K9.32 mi3.11 mi7642+178913+44913+447387(Top 28%)860(Top 8%)860(Top 18%)
20K12.43 mi3.11 mi7820-178989-76989-768557(Top 32%)1321(Top 12%)1321(Top 27%)
Half13.11 mi0.68 mi7858-381003-141003-148728(Top 33%)1388(Top 12%)1388(Top 28%)
25K15.53 mi2.42 mi8032-1741086-831086-839429(Top 35%)1749(Top 15%)1749(Top 36%)
30K18.64 mi3.11 mi8504-4721302-2161302-21611153(Top 42%)2712(Top 24%)2712(Top 56%)
20M20.00 mi1.36 mi8902-3981467-1651467-16513851(Top 52%)4320(Top 38%)4320(Top 88%)
21M21.00 mi1.00 mi9244-3421633-1661633-16614719(Top 55%)4877(Top 43%)4877(Top 100%)
35K21.75 mi0.75 mi9370-1261700-671700-6713000(Top 49%)3986(Top 35%)3986(Top 82%)
23M23.00 mi1.25 mi9644-2741838-1381838-13814174(Top 53%)4704(Top 41%)4704(Top 96%)
24M24.00 mi1.00 mi9716-721897-591897-5911949(Top 45%)3550(Top 31%)3550(Top 73%)
40K24.85 mi0.85 mi9801-851970-731970-7312222(Top 46%)3779(Top 33%)3779(Top 77%)
25.2M25.20 mi0.35 mi9882-812022-522022-5215053(Top 57%)5307(Top 46%)5307(Top 109%)
Finish26.22 mi1.02 mi10086-2042139-1172139-11715126(Top 57%)5315(Top 47%)5315(Top 109%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7387

Females

860

F18-39

860

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

7894

Females

1019

F18-39

1019

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7387

Females

860

F18-39

860

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8557

Females

1321

F18-39

1321

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8728

Females

1388

F18-39

1388

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9429

Females

1749

F18-39

1749

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11153

Females

2712

F18-39

2712

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13851

Females

4320

F18-39

4320

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14719

Females

4877

F18-39

4877

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13000

Females

3986

F18-39

3986

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14174

Females

4704

F18-39

4704

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11949

Females

3550

F18-39

3550

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12222

Females

3779

F18-39

3779

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15053

Females

5307

F18-39

5307

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15126

Females

5315

F18-39

5315

Passing Analysis

Category:
Athletes Passed
838*
Passed By
3124
Net Change
-2287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7799
5K → 10K217238-21#7799#7820
10K → 15K23759+178#7820#7642
15K → 20K62240-178#7642#7820
20K → Half1250-38#7820#7858
Half → 25K48222-174#7858#8032
25K → 30K46518-472#8032#8504
30K → 20M18416-398#8504#8902
20M → 21M21363-342#8902#9244
21M → 35K22148-126#9244#9370
35K → 23M34308-274#9370#9644
23M → 24M42114-72#9644#9716
24M → 40K40*125-85#9716#9801
40K → 25.2M1596-81#9801#9882
25.2M → Finish24227-204#9882#10086
TOTALS838*3124-2287

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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