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BOSTON MARATHON 2024

Karolyn Bowley

Bib: 9239•F

RI

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 38%
Gender (Female)
#0 / 10924
Top 23%
Masters (Masters Women)
#0 / 6263
Top 12%
Division (F50-54)
#0 / 1187
Top 6%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:59
Rank: #5290
Start → 5K
20:59 | 6:45/mi
10K· 6.21 mi
41:55
Rank: #4960 (+330)
5K → 10K
20:56 | 6:44/mi
15K· 9.32 mi
1:02:59
Rank: #4807 (+153)
10K → 15K
21:04 | 6:47/mi
20K· 12.43 mi
1:25:20
Rank: #5316 (-509)
15K → 20K
22:21 | 7:12/mi
Half· 13.11 mi
1:30:20
Rank: #5469 (-153)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:50:23
Rank: #6377 (-908)
Half → 25K
20:03 | 8:16/mi
30K· 18.64 mi
2:18:49
Rank: #7764 (-1387)
25K → 30K
28:26 | 9:09/mi
20M
2:31:30
Rank: #8251 (-487)
30K → 20M
12:41 | 9:20/mi
21M
2:42:12
Rank: #8724 (-473)
20M → 21M
10:42 | 10:42/mi
35K· 21.75 mi
2:49:12
Rank: #8955 (-231)
21M → 35K
7:00 | 9:21/mi
23M
3:01:24
Rank: #9296 (-341)
35K → 23M
12:12 | 9:45/mi
24M
3:10:28
Rank: #9466 (-170)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:18:19
Rank: #9572 (-106)
24M → 40K
7:51 | 9:11/mi
25.2M
3:22:03
Rank: #9676 (-104)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
3:30:36
Rank: #9713 (-37)
25.2M → Finish
8:33 | 8:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:20
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time2:00:16
Pace9:10 /mi
📊Positive Split: 33.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5420:596:4520:59
6:45
-
10K
6.21 mi11:07:5041:556:4520:56
6:44
-0:01
15K
9.32 mi11:28:541:02:596:4521:04
6:47
+0:03
20K
12.43 mi11:51:151:25:206:5222:21
7:12
+0:25
Half
13.11 mi11:56:151:30:206:535:00
7:20
+0:08
25K
15.53 mi12:16:181:50:237:0620:03
8:16
+0:56
30K
18.64 mi12:44:442:18:497:2728:26
9:09
+0:53
20M
20.00 mi12:57:252:31:307:3412:41
9:20
+0:11
21M
21.00 mi13:08:072:42:127:4310:42
10:42
+1:22
35K
21.75 mi13:15:072:49:127:477:00
9:21
-1:21
23M
23.00 mi13:27:193:01:247:5312:12
9:45
+0:24
24M
24.00 mi13:36:233:10:287:569:04
9:04
-0:41
40K
24.85 mi13:44:143:18:197:597:51
9:11
+0:07
25.2M
25.20 mi13:47:583:22:038:013:44
10:50
+1:39
Finish
26.22 mi13:56:313:30:368:028:33
8:23
-2:27

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

6:44 /mi

Average Pace

8:02 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:56

56% of race

Time at Steady Pace

1:05:02

31% of race

Time at Slower Pace

26:38

13% of race

Average Pace: 8:02 /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 mi10:46:5420:596:4520:59
6:45
#5290
10K
6.21 mi11:07:5041:556:4520:56
6:44
#4960
15K
9.32 mi11:28:541:02:596:4521:04
6:47
#4807
20K
12.43 mi11:51:151:25:206:5222:21
7:12
#5316
Half
13.11 mi11:56:151:30:206:535:00
7:20
#5469
25K
15.53 mi12:16:181:50:237:0620:03
8:16
#6377
30K
18.64 mi12:44:442:18:497:2728:26
9:09
#7764
20M
20.00 mi12:57:252:31:307:3412:41
9:20
#8251
21M
21.00 mi13:08:072:42:127:4310:42
10:42
#8724
35K
21.75 mi13:15:072:49:127:477:00
9:21
#8955
23M
23.00 mi13:27:193:01:247:5312:12
9:45
#9296
24M
24.00 mi13:36:233:10:287:569:04
9:04
#9466
40K
24.85 mi13:44:143:18:197:597:51
9:11
#9572
25.2M
25.20 mi13:47:583:22:038:013:44
10:50
#9676
Finish
26.22 mi13:56:313:30:368:028:33
8:23
#9713
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi52904114114587(Top 18%)312(Top 3%)312(Top 26%)
10K6.21 mi3.10 mi4960+330352+59352+594665(Top 18%)320(Top 3%)320(Top 27%)
15K9.32 mi3.11 mi4807+153334+18334+184587(Top 18%)312(Top 3%)312(Top 26%)
20K12.43 mi3.11 mi5316-509429-95429-956359(Top 25%)786(Top 7%)786(Top 66%)
Half13.11 mi0.68 mi5469-153472-43472-437955(Top 31%)1363(Top 12%)1363(Top 115%)
25K15.53 mi2.42 mi6377-908742-270742-27011796(Top 46%)3393(Top 31%)3393(Top 286%)
30K18.64 mi3.11 mi7764-13871289-5471289-54713971(Top 55%)4835(Top 44%)4835(Top 407%)
20M20.00 mi1.36 mi8251-4871540-2511540-25113777(Top 54%)4995(Top 46%)4995(Top 421%)
21M21.00 mi1.00 mi8724-4731810-2701810-27015463(Top 61%)6044(Top 55%)6044(Top 509%)
35K21.75 mi0.75 mi8955-2311952-1421952-14214946(Top 58%)5804(Top 53%)5804(Top 489%)
23M23.00 mi1.25 mi9296-3412183-2312183-23114535(Top 57%)5673(Top 52%)5673(Top 478%)
24M24.00 mi1.00 mi9466-1702313-1302313-13012514(Top 49%)4668(Top 43%)4668(Top 393%)
40K24.85 mi0.85 mi9572-1062410-972410-9711704(Top 46%)4385(Top 40%)4385(Top 369%)
25.2M25.20 mi0.35 mi9676-1042469-592469-5913914(Top 54%)5510(Top 50%)5510(Top 464%)
Finish26.22 mi1.02 mi9713-372521-522521-5210899(Top 43%)3920(Top 36%)3920(Top 330%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4587

Females

312

F50-54

312

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4665

Females

320

F50-54

320

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4587

Females

312

F50-54

312

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6359

Females

786

F50-54

786

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

7955

Females

1363

F50-54

1363

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

11796

Females

3393

F50-54

3393

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

13971

Females

4835

F50-54

4835

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

13777

Females

4995

F50-54

4995

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

15463

Females

6044

F50-54

6044

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

14946

Females

5804

F50-54

5804

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

14535

Females

5673

F50-54

5673

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12514

Females

4668

F50-54

4668

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

11704

Females

4385

F50-54

4385

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

13914

Females

5510

F50-54

5510

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

10899

Females

3920

F50-54

3920

Passing Analysis

Category:
Athletes Passed
1091
Passed By
5513
Net Change
-4423
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5290
5K → 10K39262+330#5290#4960
10K → 15K22471+153#4960#4807
15K → 20K68577-509#4807#5316
20K → Half3156-153#5316#5469
Half → 25K19927-908#5469#6377
25K → 30K291416-1387#6377#7764
30K → 20M30517-487#7764#8251
20M → 21M31504-473#8251#8724
21M → 35K30261-231#8724#8955
35K → 23M67408-341#8955#9296
23M → 24M57227-170#9296#9466
24M → 40K56162-106#9466#9572
40K → 25.2M25129-104#9572#9676
25.2M → Finish6096-37#9676#9713
TOTALS10915513-4423
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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