Boston Marathon logo
BOSTON MARATHON 2024

Laura Bernazzani

Bib: 28994•F

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:16
Rank: #21494
Start → 5K
29:16 | 9:25/mi
10K· 6.21 mi
57:44
Rank: #20951 (+543)
5K → 10K
28:28 | 9:10/mi
15K· 9.32 mi
1:25:43
Rank: #20315 (+636)
10K → 15K
27:59 | 9:00/mi
20K· 12.43 mi
1:54:02
Rank: #19656 (+659)
15K → 20K
28:19 | 9:07/mi
Half· 13.11 mi
2:00:03
Rank: #19569 (+87)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:22:16
Rank: #18990 (+579)
Half → 25K
22:13 | 9:10/mi
30K· 18.64 mi
2:51:47
Rank: #18322 (+668)
25K → 30K
29:31 | 9:30/mi
20M
3:04:43
Rank: #18049 (+273)
30K → 20M
12:56 | 9:31/mi
21M
3:14:31
Rank: #17704 (+345)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
3:21:07
Rank: #17509 (+195)
21M → 35K
6:36 | 8:49/mi
23M
3:32:39
Rank: #17199 (+310)
35K → 23M
11:32 | 9:13/mi
24M
3:41:56
Rank: #17054 (+145)
23M → 24M
9:17 | 9:17/mi
40K· 24.85 mi
3:49:36
Rank: #16783 (+271)
24M → 40K
7:40 | 8:58/mi
25.2M
3:53:33
Rank: #16767 (+16)
40K → 25.2M
3:57 | 11:27/mi
Finish· 26.22 mi
4:02:03
Rank: #16530 (+237)
25.2M → Finish
8:30 | 8:20/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
Time2:00:03
Pace9:09 /mi
2nd Half
Distance13.11 mi
Time2:02:00
Pace9:18 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2529:169:2529:16
9:25
-
10K
6.21 mi12:18:5357:449:1728:28
9:10
-0:15
15K
9.32 mi12:46:521:25:439:1227:59
9:00
-0:10
20K
12.43 mi13:15:111:54:029:1128:19
9:07
+0:07
Half
13.11 mi13:21:122:00:039:096:01
8:49
-0:18
25K
15.53 mi13:43:252:22:169:0922:13
9:10
+0:21
30K
18.64 mi14:12:562:51:479:1329:31
9:30
+0:20
20M
20.00 mi14:25:523:04:439:1412:56
9:31
+0:01
21M
21.00 mi14:35:403:14:319:169:48
9:48
+0:17
35K
21.75 mi14:42:163:21:079:156:36
8:49
-0:59
23M
23.00 mi14:53:483:32:399:1511:32
9:13
+0:24
24M
24.00 mi15:03:053:41:569:159:17
9:17
+0:04
40K
24.85 mi15:10:453:49:369:147:40
8:58
-0:19
25.2M
25.20 mi15:14:423:53:339:163:57
11:27
+2:29
Finish
26.22 mi15:23:124:02:039:148:30
8:20
-3:07

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

8:20 /mi

Average Pace

9:14 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:07

9% of race

Time at Steady Pace

2:44:44

68% of race

Time at Slower Pace

56:12

23% of race

Average Pace: 9:14 /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 mi11:50:2529:169:2529:16
9:25
#21494
10K
6.21 mi12:18:5357:449:1728:28
9:10
#20951
15K
9.32 mi12:46:521:25:439:1227:59
9:00
#20315
20K
12.43 mi13:15:111:54:029:1128:19
9:07
#19656
Half
13.11 mi13:21:122:00:039:096:01
8:49
#19569
25K
15.53 mi13:43:252:22:169:0922:13
9:10
#18990
30K
18.64 mi14:12:562:51:479:1329:31
9:30
#18322
20M
20.00 mi14:25:523:04:439:1412:56
9:31
#18049
21M
21.00 mi14:35:403:14:319:169:48
9:48
#17704
35K
21.75 mi14:42:163:21:079:156:36
8:49
#17509
23M
23.00 mi14:53:483:32:399:1511:32
9:13
#17199
24M
24.00 mi15:03:053:41:569:159:17
9:17
#17054
40K
24.85 mi15:10:453:49:369:147:40
8:58
#16783
25.2M
25.20 mi15:14:423:53:339:163:57
11:27
#16767
Finish
26.22 mi15:23:124:02:039:148:30
8:20
#16530
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi214948665866518956(Top 74%)7223(Top 66%)7223(Top 155%)
10K6.21 mi3.10 mi20951+5438358+3078358+30720387(Top 80%)8039(Top 74%)8039(Top 173%)
15K9.32 mi3.11 mi20315+6367992+3667992+36618956(Top 74%)7223(Top 66%)7223(Top 155%)
20K12.43 mi3.11 mi19656+6597643+3497643+34917832(Top 70%)6615(Top 61%)6615(Top 142%)
Half13.11 mi0.68 mi19569+877601+427601+4217461(Top 68%)6494(Top 59%)6494(Top 139%)
25K15.53 mi2.42 mi18990+5797301+3007301+30016278(Top 64%)5877(Top 54%)5877(Top 126%)
30K18.64 mi3.11 mi18322+6687009+2927009+29215468(Top 61%)5675(Top 52%)5675(Top 122%)
20M20.00 mi1.36 mi18049+2736891+1186891+11814625(Top 57%)5469(Top 50%)5469(Top 117%)
21M21.00 mi1.00 mi17704+3456729+1626729+16212170(Top 48%)4354(Top 40%)4354(Top 93%)
35K21.75 mi0.75 mi17509+1956629+1006629+10012505(Top 49%)4553(Top 42%)4553(Top 98%)
23M23.00 mi1.25 mi17199+3106482+1476482+14712220(Top 48%)4524(Top 41%)4524(Top 97%)
24M24.00 mi1.00 mi17054+1456424+586424+5813499(Top 53%)5179(Top 47%)5179(Top 111%)
40K24.85 mi0.85 mi16783+2716308+1166308+11610765(Top 42%)3964(Top 36%)3964(Top 85%)
25.2M25.20 mi0.35 mi16767+166313-56313-515936(Top 62%)6509(Top 60%)6509(Top 140%)
Finish26.22 mi1.02 mi16530+2376208+1056208+10510653(Top 42%)3828(Top 35%)3828(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

18956

Females

7223

F18-39

7223

5K→10K

3.1 - 6.2 mi

Top 80%
×5stories
+79ft-138ft

Overall

20387

Females

8039

F18-39

8039

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

18956

Females

7223

F18-39

7223

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

17832

Females

6615

F18-39

6615

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

17461

Females

6494

F18-39

6494

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16278

Females

5877

F18-39

5877

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

15468

Females

5675

F18-39

5675

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

14625

Females

5469

F18-39

5469

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12170

Females

4354

F18-39

4354

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

12505

Females

4553

F18-39

4553

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12220

Females

4524

F18-39

4524

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

13499

Females

5179

F18-39

5179

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

10765

Females

3964

F18-39

3964

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

15936

Females

6509

F18-39

6509

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

10653

Females

3828

F18-39

3828

Passing Analysis

Category:
Athletes Passed
5139
Passed By
175
Net Change
+4964
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21494
5K → 10K60865+543#21494#20951
10K → 15K65519+636#20951#20315
15K → 20K6656+659#20315#19656
20K → Half925+87#19656#19569
Half → 25K5867+579#19569#18990
25K → 30K6779+668#18990#18322
30K → 20M2785+273#18322#18049
20M → 21M3472+345#18049#17704
21M → 35K1950+195#17704#17509
35K → 23M3155+310#17509#17199
23M → 24M16116+145#17199#17054
24M → 40K2754+271#17054#16783
40K → 25.2M4731+16#16783#16767
25.2M → Finish2381+237#16767#16530
TOTALS5139175+4964
📊

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