Julia Bracco

Bib: 26653β€’F

NY

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
Race Day Weather
51Β°/41Β°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
38:41
3.11 mi
Rank: #28913
Start β†’ 5K
38:41 | 12:28/mi
10K
1:16:26
6.21 mi
Rank: #28840 (+73)
5K β†’ 10K
37:45 | 12:10/mi
15K
1:54:56
9.32 mi
Rank: #28799 (+41)
10K β†’ 15K
38:30 | 12:24/mi
20K
2:35:34
12.43 mi
Rank: #28774 (+25)
15K β†’ 20K
40:38 | 13:05/mi
HALF
2:43:22
13.11 mi
Rank: #28748 (+26)
20K β†’ HALF
7:48 | 11:27/mi
25K
3:13:40
15.53 mi
Rank: #28640 (+108)
HALF β†’ 25K
30:18 | 12:30/mi
30K
3:53:52
18.64 mi
Rank: #28498 (+142)
25K β†’ 30K
40:12 | 12:57/mi
20M
4:11:03
20.00 mi
Rank: #28435 (+63)
30K β†’ 20M
17:11 | 12:40/mi
21M
4:26:05
21.00 mi
Rank: #28431 (+4)
20M β†’ 21M
15:02 | 15:02/mi
35K
4:34:38
21.75 mi
Rank: #28387 (+44)
21M β†’ 35K
8:33 | 11:26/mi
23M
4:51:32
23.00 mi
Rank: #28368 (+19)
35K β†’ 23M
16:54 | 13:31/mi
24M
5:03:56
24.00 mi
Rank: #28323 (+45)
23M β†’ 24M
12:24 | 12:24/mi
40K
5:15:25
24.85 mi
Rank: #28306 (+17)
24M β†’ 40K
11:29 | 13:26/mi
25.2M
5:20:29
25.20 mi
Rank: #28297 (+9)
40K β†’ 25.2M
5:04 | 14:42/mi
FINISH
5:33:03
26.22 mi
Rank: #28270 (+27)
25.2M β†’ FINISH
12:34 | 12:20/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:43:22
Pace12:28 /mi
2nd Half
Distance13.11 mi
Time2:49:41
Pace12:57 /mi
πŸ“ŠPositive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0538:4112:2838:41
12:28
-
10K
6.21 mi11:25:501:16:2612:1937:45
12:10
-0:18
15K
9.32 mi12:04:201:54:5612:2038:30
12:24
+0:14
20K
12.43 mi12:44:582:35:3412:3240:38
13:05
+0:41
HALF
13.11 mi12:52:462:43:2212:287:48
11:27
-1:38
25K
15.53 mi13:23:043:13:4012:2930:18
12:30
+1:03
30K
18.64 mi14:03:163:53:5212:3340:12
12:57
+0:27
20M
20.00 mi14:20:274:11:0312:3417:11
12:40
-0:17
21M
21.00 mi14:35:294:26:0512:4115:02
15:02
+2:22
35K
21.75 mi14:44:024:34:3812:388:33
11:26
-3:36
23M
23.00 mi15:00:564:51:3212:4116:54
13:31
+2:05
24M
24.00 mi15:13:205:03:5612:4012:24
12:24
-1:07
40K
24.85 mi15:24:495:15:2512:4211:29
13:26
+1:02
25.2M
25.20 mi15:29:535:20:2912:445:04
14:42
+1:16
FINISH
26.22 mi15:42:275:33:0312:4312:34
12:20
-2:22

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

11:26 /mi

Average Pace

12:43 /mi

Slowest Pace

15:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

16:21

5% of race

Time at Steady Pace

3:47:35

68% of race

Time at Slower Pace

1:29:07

27% of race

Average Pace: 12:42 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:48:0538:4112:2838:41
12:28
#28913
10K
6.21 mi11:25:501:16:2612:1937:45
12:10
#28840
15K
9.32 mi12:04:201:54:5612:2038:30
12:24
#28799
20K
12.43 mi12:44:582:35:3412:3240:38
13:05
#28774
HALF
13.11 mi12:52:462:43:2212:287:48
11:27
#28748
25K
15.53 mi13:23:043:13:4012:2930:18
12:30
#28640
30K
18.64 mi14:03:163:53:5212:3340:12
12:57
#28498
20M
20.00 mi14:20:274:11:0312:3417:11
12:40
#28435
21M
21.00 mi14:35:294:26:0512:4115:02
15:02
#28431
35K
21.75 mi14:44:024:34:3812:388:33
11:26
#28387
23M
23.00 mi15:00:564:51:3212:4116:54
13:31
#28368
24M
24.00 mi15:13:205:03:5612:4012:24
12:24
#28323
40K
24.85 mi15:24:495:15:2512:4211:29
13:26
#28306
25.2M
25.20 mi15:29:535:20:2912:445:04
14:42
#28297
FINISH
26.22 mi15:42:275:33:0312:4312:34
12:20
#28270
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28913125061250628592(Top 99%)12290(Top 98%)12290(Top 215%)
10K6.21 mi3.10 mi28840+7312453+5312453+5328675(Top 99%)12342(Top 98%)12342(Top 216%)
15K9.32 mi3.11 mi28799+4112423+3012423+3028592(Top 99%)12290(Top 98%)12290(Top 215%)
20K12.43 mi3.11 mi28774+2512410+1312410+1328649(Top 99%)12351(Top 98%)12351(Top 216%)
HALF13.11 mi0.68 mi28748+2612395+1512395+1527826(Top 96%)11853(Top 94%)11853(Top 207%)
25K15.53 mi2.42 mi28640+10812323+7212323+7227899(Top 96%)11889(Top 95%)11889(Top 208%)
30K18.64 mi3.11 mi28498+14212241+8212241+8227670(Top 95%)11814(Top 94%)11814(Top 207%)
20M20.00 mi1.36 mi28435+6312203+3812203+3827106(Top 93%)11554(Top 92%)11554(Top 202%)
21M21.00 mi1.00 mi28431+412200+312200+328083(Top 97%)12102(Top 96%)12102(Top 212%)
35K21.75 mi0.75 mi28387+4412175+2512175+2525978(Top 90%)11028(Top 88%)11028(Top 193%)
23M23.00 mi1.25 mi28368+1912168+712168+727802(Top 96%)11971(Top 95%)11971(Top 209%)
24M24.00 mi1.00 mi28323+4512137+3112137+3127083(Top 93%)11669(Top 93%)11669(Top 204%)
40K24.85 mi0.85 mi28306+1712133+412133+427450(Top 95%)11845(Top 94%)11845(Top 207%)
25.2M25.20 mi0.35 mi28297+912129+412129+427759(Top 96%)12012(Top 96%)12012(Top 210%)
FINISH26.22 mi1.02 mi28270+2712116+1312116+1327766(Top 96%)12001(Top 95%)12001(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
Γ—21
+97ft-345ft

Overall

28592

Females

12290

F18-39

12290

5K→10K

3.1 - 6.2 mi

Top 99%
Γ—5
+79ft-138ft

Overall

28675

Females

12342

F18-39

12342

10K→15K

6.2 - 9.3 mi

Top 99%
Γ—3
+67ft-78ft

Overall

28592

Females

12290

F18-39

12290

15K→20K

9.3 - 12.4 mi

Top 99%
Γ—5
+106ft-86ft

Overall

28649

Females

12351

F18-39

12351

20K→HALF

12.4 - 13.1 mi

Top 96%
Γ—2
+19ft-37ft

Overall

27826

Females

11853

F18-39

11853

HALF→25K

13.1 - 15.5 mi

Top 96%
Γ—4
+66ft-88ft

Overall

27899

Females

11889

F18-39

11889

25K→30K

15.5 - 18.6 mi

Top 95%
Γ—9
+181ft-148ft

Overall

27670

Females

11814

F18-39

11814

30K→20M

18.6 - 20.0 mi

Top 93%
Γ—5
+64ft-50ft

Overall

27106

Females

11554

F18-39

11554

20M→21M

20.0 - 21.0 mi

Top 97%
Γ—8
+106ft-24ft

Overall

28083

Females

12102

F18-39

12102

21M→35K

21.0 - 21.8 mi

Top 90%
Γ—7
+17ft-86ft

Overall

25978

Females

11028

F18-39

11028

35K→23M

21.8 - 23.0 mi

Top 96%
Γ—5
+23ft-63ft

Overall

27802

Females

11971

F18-39

11971

23M→24M

23.0 - 24.0 mi

Top 93%
Γ—6
+12ft-82ft

Overall

27083

Females

11669

F18-39

11669

24M→40K

24.0 - 24.9 mi

Top 95%
Γ—1
+6ft-20ft

Overall

27450

Females

11845

F18-39

11845

40K→25.2M

24.9 - 25.2 mi

Top 96%
Γ—1
+13ft-16ft

Overall

27759

Females

12012

F18-39

12012

25.2M→FINISH

25.2 - 26.2 mi

Top 96%
Γ—2
+22ft-21ft

Overall

27766

Females

12001

F18-39

12001

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
740
Passed By
97
Net Change
+643
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#28913
5K β†’ 10K829+73#28913#28840
10K β†’ 15K5514+41#28840#28799
15K β†’ 20K4924+25#28799#28774
20K β†’ HALF260+26#28774#28748
HALF β†’ 25K1102+108#28748#28640
25K β†’ 30K1442+142#28640#28498
30K β†’ 20M663+63#28498#28435
20M β†’ 21M1915+4#28435#28431
21M β†’ 35K440+44#28431#28387
35K β†’ 23M289+19#28387#28368
23M β†’ 24M461+45#28368#28323
24M β†’ 40K258+17#28323#28306
40K β†’ 25.2M123+9#28306#28297
25.2M β†’ FINISH347+27#28297#28270
TOTALS74097+643
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

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

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

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.

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing