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BOSTON MARATHON 2024

Caroline Mihalski

Bib: 18452•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:12/mi
25:28
↑ 97↓ 3451.5%
10K· 6.21 mi
8:38/mi
52:16
↑ 79↓ 1380.4%
15K· 9.32 mi
9:09/mi
1:20:43
↑ 67↓ 78
20K· 12.43 mi
10:07/mi
1:52:09
↑ 106↓ 860.1%
Half· 13.11 mi
9:48/mi
1:58:50
↑ 19↓ 370.5%
25K· 15.53 mi
10:22/mi
2:23:57
↑ 66↓ 880.2%
30K· 18.64 mi
10:29/mi
2:56:32
↑ 181↓ 1480.2%
20M
10:43/mi
3:11:06
↑ 64↓ 500.2%
21M
12:10/mi
3:23:16
↑ 106↓ 241.6%
35K· 21.75 mi
10:06/mi
3:30:49
↑ 17↓ 861.7%
23M
10:41/mi
3:44:12
↑ 23↓ 630.6%
24M
10:22/mi
3:54:34
↓ 821.3%
40K· 24.85 mi
11:14/mi
4:04:10
↓ 200.3%
25.2M
12:11/mi
4:08:22
↑ 13↓ 160.2%
Finish· 26.22 mi
10:21/mi
4:18:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:50
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:20:05
Pace10:41 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0925:288:1225:28
8:12
-
10K
6.21 mi11:43:5752:168:2526:48
8:38
+0:26
15K
9.32 mi12:12:241:20:438:4028:27
9:09
+0:31
20K
12.43 mi12:43:501:52:099:0131:26
10:07
+0:58
Half
13.11 mi12:50:311:58:509:046:41
9:48
-0:19
25K
15.53 mi13:15:382:23:579:1625:07
10:22
+0:34
30K
18.64 mi13:48:132:56:329:2832:35
10:29
+0:07
20M
20.00 mi14:02:473:11:069:3314:34
10:43
+0:14
21M
21.00 mi14:14:573:23:169:4112:10
12:10
+1:27
35K
21.75 mi14:22:303:30:499:427:33
10:06
-2:04
23M
23.00 mi14:35:533:44:129:4513:23
10:41
+0:35
24M
24.00 mi14:46:153:54:349:4610:22
10:22
-0:19
40K
24.85 mi14:55:514:04:109:499:36
11:14
+0:52
25.2M
25.20 mi15:00:034:08:229:514:12
12:11
+0:57
Finish
26.22 mi15:10:364:18:559:5310:33
10:21
-1:50

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

8:12 /mi

Average Pace

9:53 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:24

34% of race

Time at Steady Pace

2:25:33

56% of race

Time at Slower Pace

25:58

10% of race

Average Pace: 9:52 /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 mi11:17:0925:288:1225:28
8:12
#16017
10K
6.21 mi11:43:5752:168:2526:48
8:38
#16992
15K
9.32 mi12:12:241:20:438:4028:27
9:09
#17989
20K
12.43 mi12:43:501:52:099:0131:26
10:07
#19059
Half
13.11 mi12:50:311:58:509:046:41
9:48
#19195
25K
15.53 mi13:15:382:23:579:1625:07
10:22
#19411
30K
18.64 mi13:48:132:56:329:2832:35
10:29
#19270
20M
20.00 mi14:02:473:11:069:3314:34
10:43
#19199
21M
21.00 mi14:14:573:23:169:4112:10
12:10
#19177
35K
21.75 mi14:22:303:30:499:427:33
10:06
#19094
23M
23.00 mi14:35:533:44:129:4513:23
10:41
#18978
24M
24.00 mi14:46:153:54:349:4610:22
10:22
#18880
40K
24.85 mi14:55:514:04:109:499:36
11:14
#18858
25.2M
25.20 mi15:00:034:08:229:514:12
12:11
#18835
Finish
26.22 mi15:10:364:18:559:5310:33
10:21
#18839
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi160175570557019556(Top 77%)7551(Top 69%)7551(Top 468%)
10K6.21 mi3.10 mi16992-9756147-5776147-57718005(Top 70%)6734(Top 62%)6734(Top 417%)
15K9.32 mi3.11 mi17989-9976735-5886735-58819556(Top 77%)7551(Top 69%)7551(Top 468%)
20K12.43 mi3.11 mi19059-10707325-5907325-59020831(Top 82%)8256(Top 76%)8256(Top 512%)
Half13.11 mi0.68 mi19195-1367408-837408-8320949(Top 82%)8375(Top 77%)8375(Top 519%)
25K15.53 mi2.42 mi19411-2167527-1197527-11920056(Top 78%)7958(Top 73%)7958(Top 493%)
30K18.64 mi3.11 mi19270+1417521+67521+618757(Top 73%)7445(Top 68%)7445(Top 462%)
20M20.00 mi1.36 mi19199+717509+127509+1218593(Top 73%)7505(Top 69%)7505(Top 465%)
21M21.00 mi1.00 mi19177+227515-67515-619190(Top 75%)7905(Top 72%)7905(Top 490%)
35K21.75 mi0.75 mi19094+837484+317484+3117476(Top 68%)7084(Top 65%)7084(Top 439%)
23M23.00 mi1.25 mi18978+1167445+397445+3917559(Top 69%)7196(Top 66%)7196(Top 446%)
24M24.00 mi1.00 mi18880+987420+257420+2517487(Top 68%)7201(Top 66%)7201(Top 446%)
40K24.85 mi0.85 mi18858+227422-27422-218689(Top 73%)7851(Top 72%)7851(Top 487%)
25.2M25.20 mi0.35 mi18835+237422742217794(Top 70%)7439(Top 68%)7439(Top 461%)
Finish26.22 mi1.02 mi18839-47451-297451-2919568(Top 77%)8261(Top 76%)8261(Top 512%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

19556

Females

7551

F40-44

7551

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18005

Females

6734

F40-44

6734

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

19556

Females

7551

F40-44

7551

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

20831

Females

8256

F40-44

8256

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

20949

Females

8375

F40-44

8375

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20056

Females

7958

F40-44

7958

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

18757

Females

7445

F40-44

7445

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

18593

Females

7505

F40-44

7505

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19190

Females

7905

F40-44

7905

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

17476

Females

7084

F40-44

7084

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

17559

Females

7196

F40-44

7196

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

17487

Females

7201

F40-44

7201

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

18689

Females

7851

F40-44

7851

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

17794

Females

7439

F40-44

7439

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

19568

Females

8261

F40-44

8261

Passing Analysis

Category:
Athletes Passed
1315
Passed By
4137
Net Change
-2822
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16017
5K → 10K641039-975#16017#16992
10K → 15K501047-997#16992#17989
15K → 20K531123-1070#17989#19059
20K → Half10146-136#19059#19195
Half → 25K112328-216#19195#19411
25K → 30K273132+141#19411#19270
30K → 20M12352+71#19270#19199
20M → 21M9876+22#19199#19177
21M → 35K10421+83#19177#19094
35K → 23M14226+116#19094#18978
23M → 24M12224+98#18978#18880
24M → 40K6846+22#18880#18858
40K → 25.2M4118+23#18858#18835
25.2M → Finish5559-4#18835#18839
TOTALS13154137-2822
📊

Passing Visuals

Category:
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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