Boston Marathon logo
BOSTON MARATHON 2024

Alessandra Iacaboni

Bib: 30331•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

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
27:39
Rank: #19689
Start → 5K
27:39 | 8:54/mi
10K· 6.21 mi
55:34
Rank: #19667 (+22)
5K → 10K
27:55 | 8:59/mi
15K· 9.32 mi
1:26:09
Rank: #20466 (-799)
10K → 15K
30:35 | 9:51/mi
20K· 12.43 mi
1:58:59
Rank: #20883 (-417)
15K → 20K
32:50 | 10:34/mi
Half· 13.11 mi
2:06:25
Rank: #21031 (-148)
20K → Half
7:26 | 10:54/mi
25K· 15.53 mi
2:32:00
Rank: #20916 (+115)
Half → 25K
25:35 | 10:33/mi
30K· 18.64 mi
3:05:49
Rank: #20680 (+236)
25K → 30K
33:49 | 10:53/mi
20M
3:21:08
Rank: #20607 (+73)
30K → 20M
15:19 | 11:16/mi
21M
3:34:12
Rank: #20627 (-20)
20M → 21M
13:04 | 13:04/mi
35K· 21.75 mi
3:42:38
Rank: #20631 (-4)
21M → 35K
8:26 | 11:16/mi
23M
3:55:49
Rank: #20428 (+203)
35K → 23M
13:11 | 10:32/mi
24M
4:06:47
Rank: #20376 (+52)
23M → 24M
10:58 | 10:58/mi
40K· 24.85 mi
4:16:50
Rank: #20350 (+26)
24M → 40K
10:03 | 11:45/mi
25.2M
4:21:30
Rank: #20344 (+6)
40K → 25.2M
4:40 | 13:32/mi
Finish· 26.22 mi
4:31:54
Rank: #20293 (+51)
25.2M → Finish
10:24 | 10:12/mi

Course Map & Elevation

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
Time2:06:25
Pace9:39 /mi
2nd Half
Distance13.11 mi
Time2:25:29
Pace11:06 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0627:398:5427:39
8:54
-
10K
6.21 mi12:20:0155:348:5727:55
8:59
+0:05
15K
9.32 mi12:50:361:26:099:1530:35
9:51
+0:52
20K
12.43 mi13:23:261:58:599:3432:50
10:34
+0:43
Half
13.11 mi13:30:522:06:259:397:26
10:54
+0:20
25K
15.53 mi13:56:272:32:009:4725:35
10:33
-0:21
30K
18.64 mi14:30:163:05:499:5833:49
10:53
+0:20
20M
20.00 mi14:45:353:21:0810:0315:19
11:16
+0:23
21M
21.00 mi14:58:393:34:1210:1213:04
13:04
+1:48
35K
21.75 mi15:07:053:42:3810:148:26
11:16
-1:48
23M
23.00 mi15:20:163:55:4910:1513:11
10:32
-0:44
24M
24.00 mi15:31:144:06:4710:1710:58
10:58
+0:26
40K
24.85 mi15:41:174:16:5010:2010:03
11:45
+0:47
25.2M
25.20 mi15:45:574:21:3010:234:40
13:32
+1:47
Finish
26.22 mi15:56:214:31:5410:2310:24
10:12
-3:20

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

8:54 /mi

Average Pace

10:23 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

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

1:36:33

36% of race

Time at Steady Pace

2:27:34

54% of race

Time at Slower Pace

27:47

10% of race

Average Pace: 10:22 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:52:0627:398:5427:39
8:54
#19689
10K
6.21 mi12:20:0155:348:5727:55
8:59
#19667
15K
9.32 mi12:50:361:26:099:1530:35
9:51
#20466
20K
12.43 mi13:23:261:58:599:3432:50
10:34
#20883
Half
13.11 mi13:30:522:06:259:397:26
10:54
#21031
25K
15.53 mi13:56:272:32:009:4725:35
10:33
#20916
30K
18.64 mi14:30:163:05:499:5833:49
10:53
#20680
20M
20.00 mi14:45:353:21:0810:0315:19
11:16
#20607
21M
21.00 mi14:58:393:34:1210:1213:04
13:04
#20627
35K
21.75 mi15:07:053:42:3810:148:26
11:16
#20631
23M
23.00 mi15:20:163:55:4910:1513:11
10:32
#20428
24M
24.00 mi15:31:144:06:4710:1710:58
10:58
#20376
40K
24.85 mi15:41:174:16:5010:2010:03
11:45
#20350
25.2M
25.20 mi15:45:574:21:3010:234:40
13:32
#20344
Finish
26.22 mi15:56:214:31:5410:2310:24
10:12
#20293
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi196897718771821540(Top 84%)8621(Top 79%)8621(Top 185%)
10K6.21 mi3.10 mi19667+227681+377681+3719702(Top 77%)7676(Top 70%)7676(Top 165%)
15K9.32 mi3.11 mi20466-7998071-3908071-39021540(Top 84%)8621(Top 79%)8621(Top 185%)
20K12.43 mi3.11 mi20883-4178296-2258296-22521805(Top 85%)8802(Top 81%)8802(Top 189%)
Half13.11 mi0.68 mi21031-1488372-768372-7623360(Top 91%)9691(Top 89%)9691(Top 208%)
25K15.53 mi2.42 mi20916+1158336+368336+3620542(Top 80%)8209(Top 75%)8209(Top 176%)
30K18.64 mi3.11 mi20680+2368253+838253+8319723(Top 77%)7968(Top 73%)7968(Top 171%)
20M20.00 mi1.36 mi20607+738249+48249+419926(Top 78%)8183(Top 75%)8183(Top 176%)
21M21.00 mi1.00 mi20627-208292-438292-4320857(Top 82%)8728(Top 80%)8728(Top 187%)
35K21.75 mi0.75 mi20631-48312-208312-2020400(Top 80%)8541(Top 78%)8541(Top 183%)
23M23.00 mi1.25 mi20428+2038223+898223+8917141(Top 67%)6980(Top 64%)6980(Top 150%)
24M24.00 mi1.00 mi20376+528222+18222+119154(Top 75%)8038(Top 74%)8038(Top 172%)
40K24.85 mi0.85 mi20350+268216+68216+619932(Top 78%)8477(Top 78%)8477(Top 182%)
25.2M25.20 mi0.35 mi20344+68222-68222-620798(Top 81%)8904(Top 82%)8904(Top 191%)
Finish26.22 mi1.02 mi20293+518214+88214+819121(Top 75%)8035(Top 74%)8035(Top 172%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21stories
+97ft-345ft

Overall

21540

Females

8621

F18-39

8621

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

19702

Females

7676

F18-39

7676

10K→15K

6.2 - 9.3 mi

Top 84%
×3stories
+67ft-78ft

Overall

21540

Females

8621

F18-39

8621

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

21805

Females

8802

F18-39

8802

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

23360

Females

9691

F18-39

9691

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

20542

Females

8209

F18-39

8209

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

19723

Females

7968

F18-39

7968

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

19926

Females

8183

F18-39

8183

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

20857

Females

8728

F18-39

8728

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

20400

Females

8541

F18-39

8541

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17141

Females

6980

F18-39

6980

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

19154

Females

8038

F18-39

8038

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

19932

Females

8477

F18-39

8477

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

20798

Females

8904

F18-39

8904

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

19121

Females

8035

F18-39

8035

Passing Analysis

Category:
Athletes Passed
1606
Passed By
2210
Net Change
-604
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19689
5K → 10K264242+22#19689#19667
10K → 15K58857-799#19667#20466
15K → 20K69486-417#20466#20883
20K → Half7155-148#20883#21031
Half → 25K20792+115#21031#20916
25K → 30K29862+236#20916#20680
30K → 20M12451+73#20680#20607
20M → 21M6383-20#20607#20627
21M → 35K4347-4#20627#20631
35K → 23M2096+203#20631#20428
23M → 24M9139+52#20428#20376
24M → 40K6741+26#20376#20350
40K → 25.2M2923+6#20350#20344
25.2M → Finish7726+51#20344#20293
TOTALS16062210-604
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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