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BOSTON MARATHON 2024

Justyna Bartosiewicz

Bib: 12979•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 43%
Gender (Female)
#0 / 10924
Top 29%
Division (F18-39)
#0 / 4660
Top 45%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:24
Rank: #11051
Start → 5K
23:24 | 7:32/mi
10K· 6.21 mi
47:03
Rank: #11085 (-34)
5K → 10K
23:39 | 7:37/mi
15K· 9.32 mi
1:11:30
Rank: #11499 (-414)
10K → 15K
24:27 | 7:52/mi
20K· 12.43 mi
1:36:47
Rank: #11806 (-307)
15K → 20K
25:17 | 8:08/mi
Half· 13.11 mi
1:42:22
Rank: #11929 (-123)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:03:14
Rank: #12222 (-293)
Half → 25K
20:52 | 8:36/mi
30K· 18.64 mi
2:30:46
Rank: #12276 (-54)
25K → 30K
27:32 | 8:52/mi
20M
2:42:39
Rank: #12112 (+164)
30K → 20M
11:53 | 8:45/mi
21M
2:52:25
Rank: #12056 (+56)
20M → 21M
9:46 | 9:46/mi
35K· 21.75 mi
2:58:20
Rank: #11862 (+194)
21M → 35K
5:55 | 7:55/mi
23M
3:08:35
Rank: #11457 (+405)
35K → 23M
10:15 | 8:11/mi
24M
3:16:42
Rank: #11204 (+253)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:23:50
Rank: #11016 (+188)
24M → 40K
7:08 | 8:21/mi
25.2M
3:27:01
Rank: #10930 (+86)
40K → 25.2M
3:11 | 9:14/mi
Finish· 26.22 mi
3:35:35
Rank: #10901 (+29)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:22
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:53:13
Pace8:38 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3923:247:3223:24
7:32
-
10K
6.21 mi11:16:1847:037:3423:39
7:37
+0:05
15K
9.32 mi11:40:451:11:307:4024:27
7:52
+0:15
20K
12.43 mi12:06:021:36:477:4725:17
8:08
+0:16
Half
13.11 mi12:11:371:42:227:495:35
8:11
+0:03
25K
15.53 mi12:32:292:03:147:5620:52
8:36
+0:25
30K
18.64 mi13:00:012:30:468:0527:32
8:52
+0:16
20M
20.00 mi13:11:542:42:398:0811:53
8:45
-0:07
21M
21.00 mi13:21:402:52:258:139:46
9:46
+1:01
35K
21.75 mi13:27:352:58:208:125:55
7:55
-1:51
23M
23.00 mi13:37:503:08:358:1210:15
8:11
+0:16
24M
24.00 mi13:45:573:16:428:128:07
8:07
-0:04
40K
24.85 mi13:53:053:23:508:127:08
8:21
+0:14
25.2M
25.20 mi13:56:163:27:018:133:11
9:14
+0:53
Finish
26.22 mi14:04:503:35:358:148:34
8:24
-0:50

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

7:32 /mi

Average Pace

8:14 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:30

33% of race

Time at Steady Pace

1:10:51

33% of race

Time at Slower Pace

1:13:14

34% of race

Average Pace: 8:13 /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 mi10:52:3923:247:3223:24
7:32
#11051
10K
6.21 mi11:16:1847:037:3423:39
7:37
#11085
15K
9.32 mi11:40:451:11:307:4024:27
7:52
#11499
20K
12.43 mi12:06:021:36:477:4725:17
8:08
#11806
Half
13.11 mi12:11:371:42:227:495:35
8:11
#11929
25K
15.53 mi12:32:292:03:147:5620:52
8:36
#12222
30K
18.64 mi13:00:012:30:468:0527:32
8:52
#12276
20M
20.00 mi13:11:542:42:398:0811:53
8:45
#12112
21M
21.00 mi13:21:402:52:258:139:46
9:46
#12056
35K
21.75 mi13:27:352:58:208:125:55
7:55
#11862
23M
23.00 mi13:37:503:08:358:1210:15
8:11
#11457
24M
24.00 mi13:45:573:16:428:128:07
8:07
#11204
40K
24.85 mi13:53:053:23:508:127:08
8:21
#11016
25.2M
25.20 mi13:56:163:27:018:133:11
9:14
#10930
Finish
26.22 mi14:04:503:35:358:148:34
8:24
#10901
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi110512591259112467(Top 49%)3492(Top 32%)3492(Top 75%)
10K6.21 mi3.10 mi11085-342660-692660-6911182(Top 44%)2753(Top 25%)2753(Top 59%)
15K9.32 mi3.11 mi11499-4142913-2532913-25312467(Top 49%)3492(Top 32%)3492(Top 75%)
20K12.43 mi3.11 mi11806-3073113-2003113-20012769(Top 50%)3715(Top 34%)3715(Top 80%)
Half13.11 mi0.68 mi11929-1233183-703183-7013922(Top 54%)4416(Top 40%)4416(Top 95%)
25K15.53 mi2.42 mi12222-2933389-2063389-20613620(Top 53%)4388(Top 40%)4388(Top 94%)
30K18.64 mi3.11 mi12276-543504-1153504-11512532(Top 49%)4020(Top 37%)4020(Top 86%)
20M20.00 mi1.36 mi12112+1643468+363468+3610811(Top 42%)3372(Top 31%)3372(Top 72%)
21M21.00 mi1.00 mi12056+563497-293497-2911988(Top 47%)4250(Top 39%)4250(Top 91%)
35K21.75 mi0.75 mi11862+1943418+793418+797276(Top 28%)1898(Top 17%)1898(Top 41%)
23M23.00 mi1.25 mi11457+4053280+1383280+1386762(Top 26%)1794(Top 16%)1794(Top 38%)
24M24.00 mi1.00 mi11204+2533192+883192+887333(Top 29%)2172(Top 20%)2172(Top 47%)
40K24.85 mi0.85 mi11016+1883133+593133+597602(Top 30%)2431(Top 22%)2431(Top 52%)
25.2M25.20 mi0.35 mi10930+863122+113122+117687(Top 30%)2526(Top 23%)2526(Top 54%)
Finish26.22 mi1.02 mi10901+293143-213143-2111002(Top 43%)3980(Top 36%)3980(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

12467

Females

3492

F18-39

3492

5K→10K

3.1 - 6.2 mi

Top 44%
×5stories
+79ft-138ft

Overall

11182

Females

2753

F18-39

2753

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

12467

Females

3492

F18-39

3492

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

12769

Females

3715

F18-39

3715

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

13922

Females

4416

F18-39

4416

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

13620

Females

4388

F18-39

4388

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

12532

Females

4020

F18-39

4020

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

10811

Females

3372

F18-39

3372

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

11988

Females

4250

F18-39

4250

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7276

Females

1898

F18-39

1898

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6762

Females

1794

F18-39

1794

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7333

Females

2172

F18-39

2172

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7602

Females

2431

F18-39

2431

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7687

Females

2526

F18-39

2526

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11002

Females

3980

F18-39

3980

Passing Analysis

Category:
Athletes Passed
2584
Passed By
2434
Net Change
+150
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11051
5K → 10K269303-34#11051#11085
10K → 15K95509-414#11085#11499
15K → 20K146453-307#11499#11806
20K → Half13136-123#11806#11929
Half → 25K152445-293#11929#12222
25K → 30K282336-54#12222#12276
30K → 20M21450+164#12276#12112
20M → 21M161105+56#12112#12056
21M → 35K1962+194#12056#11862
35K → 23M4094+405#11862#11457
23M → 24M2585+253#11457#11204
24M → 40K20517+188#11204#11016
40K → 25.2M9812+86#11016#10930
25.2M → Finish8657+29#10930#10901
TOTALS25842434+150
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing