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BOSTON MARATHON 2024

Katie Kowalski

Bib: 15472•F

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0:00
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Overall
#0 / 25550
Top 31%
Gender (Female)
#0 / 10924
Top 16%
Division (F18-39)
#0 / 4660
Top 29%
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
7:39/mi
23:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:36/mi
47:22
↑ 79↓ 1380.4%
15K· 9.32 mi
7:39/mi
1:11:07
↑ 67↓ 78
20K· 12.43 mi
7:38/mi
1:34:50
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:40:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:43/mi
1:58:44
↑ 66↓ 880.2%
30K· 18.64 mi
7:56/mi
2:23:23
↑ 181↓ 1480.2%
20M
7:55/mi
2:34:08
↑ 64↓ 500.2%
21M
8:27/mi
2:42:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:48:35
↑ 17↓ 861.7%
23M
8:02/mi
2:58:38
↑ 23↓ 630.6%
24M
7:55/mi
3:06:33
↓ 821.3%
40K· 24.85 mi
8:08/mi
3:13:30
↓ 200.3%
25.2M
8:45/mi
3:16:31
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:24:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:02
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:44:15
Pace7:57 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1623:467:3923:46
7:39
-
10K
6.21 mi11:19:5247:227:3723:36
7:36
-0:03
15K
9.32 mi11:43:371:11:077:3823:45
7:39
+0:03
20K
12.43 mi12:07:201:34:507:3823:43
7:38
-0:01
Half
13.11 mi12:12:321:40:027:385:12
7:37
-0:01
25K
15.53 mi12:31:141:58:447:3918:42
7:43
+0:06
30K
18.64 mi12:55:532:23:237:4224:39
7:56
+0:13
20M
20.00 mi13:06:382:34:087:4210:45
7:55
-0:01
21M
21.00 mi13:15:052:42:357:458:27
8:27
+0:32
35K
21.75 mi13:21:052:48:357:456:00
8:01
-0:26
23M
23.00 mi13:31:082:58:387:4610:03
8:02
+0:01
24M
24.00 mi13:39:033:06:337:467:55
7:55
-0:07
40K
24.85 mi13:46:003:13:307:476:57
8:08
+0:13
25.2M
25.20 mi13:49:013:16:317:483:01
8:45
+0:37
Finish
26.22 mi13:56:473:24:177:487:46
7:37
-1:08

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

7:36 /mi

Average Pace

7:48 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:49

94% of race

Time at Steady Pace

11:28

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi10:56:1623:467:3923:46
7:39
#11922
10K
6.21 mi11:19:5247:227:3723:36
7:36
#11443
15K
9.32 mi11:43:371:11:077:3823:45
7:39
#11204
20K
12.43 mi12:07:201:34:507:3823:43
7:38
#10626
Half
13.11 mi12:12:321:40:027:385:12
7:37
#10585
25K
15.53 mi12:31:141:58:447:3918:42
7:43
#10117
30K
18.64 mi12:55:532:23:237:4224:39
7:56
#9487
20M
20.00 mi13:06:382:34:087:4210:45
7:55
#9145
21M
21.00 mi13:15:052:42:357:458:27
8:27
#8836
35K
21.75 mi13:21:052:48:357:456:00
8:01
#8762
23M
23.00 mi13:31:082:58:387:4610:03
8:02
#8483
24M
24.00 mi13:39:033:06:337:467:55
7:55
#8328
40K
24.85 mi13:46:003:13:307:476:57
8:08
#8208
25.2M
25.20 mi13:49:013:16:317:483:01
8:45
#8121
Finish
26.22 mi13:56:473:24:177:487:46
7:37
#7997
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119223080308010778(Top 42%)2567(Top 23%)2567(Top 55%)
10K6.21 mi3.10 mi11443+4792847+2332847+23311053(Top 43%)2668(Top 24%)2668(Top 57%)
15K9.32 mi3.11 mi11204+2392744+1032744+10310778(Top 42%)2567(Top 23%)2567(Top 55%)
20K12.43 mi3.11 mi10626+5782461+2832461+2839302(Top 36%)1965(Top 18%)1965(Top 42%)
Half13.11 mi0.68 mi10585+412452+92452+910022(Top 39%)2294(Top 21%)2294(Top 49%)
25K15.53 mi2.42 mi10117+4682272+1802272+1808380(Top 33%)1714(Top 16%)1714(Top 37%)
30K18.64 mi3.11 mi9487+6302054+2182054+2187511(Top 29%)1566(Top 14%)1566(Top 34%)
20M20.00 mi1.36 mi9145+3421946+1081946+1086309(Top 25%)1262(Top 12%)1262(Top 27%)
21M21.00 mi1.00 mi8836+3091864+821864+826023(Top 24%)1315(Top 12%)1315(Top 28%)
35K21.75 mi0.75 mi8762+741865-11865-17944(Top 31%)2194(Top 20%)2194(Top 47%)
23M23.00 mi1.25 mi8483+2791801+641801+645911(Top 23%)1415(Top 13%)1415(Top 30%)
24M24.00 mi1.00 mi8328+1551780+211780+216195(Top 24%)1613(Top 15%)1613(Top 35%)
40K24.85 mi0.85 mi8208+1201771+91771+96445(Top 25%)1853(Top 17%)1853(Top 40%)
25.2M25.20 mi0.35 mi8121+871759+121759+125497(Top 22%)1491(Top 14%)1491(Top 32%)
Finish26.22 mi1.02 mi7997+1241734+251734+256302(Top 25%)1796(Top 16%)1796(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

10778

Females

2567

F18-39

2567

5K→10K

3.1 - 6.2 mi

Top 43%
×5story building
+79ft-138ft

Overall

11053

Females

2668

F18-39

2668

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

10778

Females

2567

F18-39

2567

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9302

Females

1965

F18-39

1965

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10022

Females

2294

F18-39

2294

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8380

Females

1714

F18-39

1714

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7511

Females

1566

F18-39

1566

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6309

Females

1262

F18-39

1262

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6023

Females

1315

F18-39

1315

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

7944

Females

2194

F18-39

2194

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

5911

Females

1415

F18-39

1415

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6195

Females

1613

F18-39

1613

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6445

Females

1853

F18-39

1853

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5497

Females

1491

F18-39

1491

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6302

Females

1796

F18-39

1796

Passing Analysis

Category:
Athletes Passed
4333*
Passed By
408
Net Change
+3925
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11922
5K → 10K57394+479#11922#11443
10K → 15K341102+239#11443#11204
15K → 20K59315+578#11204#10626
20K → Half6322+41#10626#10585
Half → 25K48820+468#10585#10117
25K → 30K651*21+630#10117#9487
30K → 20M3508+342#9487#9145
20M → 21M33021+309#9145#8836
21M → 35K9723+74#8836#8762
35K → 23M29718+279#8762#8483
23M → 24M17621+155#8483#8328
24M → 40K13818+120#8328#8208
40K → 25.2M925+87#8208#8121
25.2M → Finish14420+124#8121#7997
TOTALS4333*408+3925

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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