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BOSTON MARATHON 2023

Sarah Bulger

Bib: 29779•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:34
Rank: #23848
Start → 5K
31:34 | 10:10/mi
10K· 6.21 mi
1:03:29
Rank: #24101 (-253)
5K → 10K
31:55 | 10:16/mi
15K· 9.32 mi
1:36:25
Rank: #24318 (-217)
10K → 15K
32:56 | 10:36/mi
20K· 12.43 mi
2:10:43
Rank: #24451 (-133)
15K → 20K
34:18 | 11:02/mi
Half· 13.11 mi
2:18:12
Rank: #24478 (-27)
20K → Half
7:29 | 10:58/mi
25K· 15.53 mi
2:45:55
Rank: #24525 (-47)
Half → 25K
27:43 | 11:26/mi
30K· 18.64 mi
3:22:50
Rank: #24501 (+24)
25K → 30K
36:55 | 11:53/mi
20M
3:39:07
Rank: #24460 (+41)
30K → 20M
16:17 | 11:59/mi
21M
3:52:10
Rank: #24453 (+7)
20M → 21M
13:03 | 13:03/mi
35K· 21.75 mi
4:00:59
Rank: #24458 (-5)
21M → 35K
8:49 | 11:47/mi
23M
4:16:28
Rank: #24473 (-15)
35K → 23M
15:29 | 12:22/mi
24M
4:28:26
Rank: #24476 (-3)
23M → 24M
11:58 | 11:58/mi
40K· 24.85 mi
4:40:02
Rank: #24557 (-81)
24M → 40K
11:36 | 13:34/mi
25.2M
4:44:43
Rank: #24571 (-14)
40K → 25.2M
4:41 | 13:35/mi
Finish· 26.22 mi
4:57:36
Rank: #24670 (-99)
25.2M → Finish
12:53 | 12:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:12
Pace10:33 /mi
2nd Half
Distance13.11 mi
Time2:39:24
Pace12:10 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4131:3410:1031:34
10:10
-
10K
6.21 mi12:27:361:03:2910:1331:55
10:16
+0:06
15K
9.32 mi13:00:321:36:2510:2132:56
10:36
+0:20
20K
12.43 mi13:34:502:10:4310:3134:18
11:02
+0:26
Half
13.11 mi13:42:192:18:1210:337:29
10:58
-0:04
25K
15.53 mi14:10:022:45:5510:4127:43
11:26
+0:28
30K
18.64 mi14:46:573:22:5010:5336:55
11:53
+0:27
20M
20.00 mi15:03:143:39:0710:5716:17
11:59
+0:06
21M
21.00 mi15:16:173:52:1011:0313:03
13:03
+1:04
35K
21.75 mi15:25:064:00:5911:058:49
11:47
-1:16
23M
23.00 mi15:40:354:16:2811:0915:29
12:22
+0:35
24M
24.00 mi15:52:334:28:2611:1111:58
11:58
-0:24
40K
24.85 mi16:04:094:40:0211:1611:36
13:34
+1:36
25.2M
25.20 mi16:08:504:44:4311:184:41
13:35
+0:01
Finish
26.22 mi16:21:434:57:3611:2212:53
12:39
-0:56

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

10:10 /mi

Average Pace

11:22 /mi

Slowest Pace

13:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:12

46% of race

Time at Steady Pace

1:57:11

39% of race

Time at Slower Pace

42:13

14% of race

Average Pace: 11:21 /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 mi11:55:4131:3410:1031:34
10:10
#23848
10K
6.21 mi12:27:361:03:2910:1331:55
10:16
#24101
15K
9.32 mi13:00:321:36:2510:2132:56
10:36
#24318
20K
12.43 mi13:34:502:10:4310:3134:18
11:02
#24451
Half
13.11 mi13:42:192:18:1210:337:29
10:58
#24478
25K
15.53 mi14:10:022:45:5510:4127:43
11:26
#24525
30K
18.64 mi14:46:573:22:5010:5336:55
11:53
#24501
20M
20.00 mi15:03:143:39:0710:5716:17
11:59
#24460
21M
21.00 mi15:16:173:52:1011:0313:03
13:03
#24453
35K
21.75 mi15:25:064:00:5911:058:49
11:47
#24458
23M
23.00 mi15:40:354:16:2811:0915:29
12:22
#24473
24M
24.00 mi15:52:334:28:2611:1111:58
11:58
#24476
40K
24.85 mi16:04:094:40:0211:1611:36
13:34
#24557
25.2M
25.20 mi16:08:504:44:4311:184:41
13:35
#24571
Finish
26.22 mi16:21:434:57:3611:2212:53
12:39
#24670
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi238489815981524641(Top 93%)10256(Top 90%)10256(Top 210%)
10K6.21 mi3.10 mi24101-2539949-1349949-13424258(Top 91%)10032(Top 88%)10032(Top 205%)
15K9.32 mi3.11 mi24318-21710067-11810067-11824641(Top 93%)10256(Top 90%)10256(Top 210%)
20K12.43 mi3.11 mi24451-13310143-7610143-7624678(Top 93%)10297(Top 90%)10297(Top 211%)
Half13.11 mi0.68 mi24478-2710167-2410167-2424906(Top 94%)10447(Top 91%)10447(Top 214%)
25K15.53 mi2.42 mi24525-4710202-3510202-3524575(Top 92%)10270(Top 90%)10270(Top 210%)
30K18.64 mi3.11 mi24501+2410205-310205-324362(Top 92%)10199(Top 89%)10199(Top 209%)
20M20.00 mi1.36 mi24460+4110188+1710188+1724196(Top 91%)10181(Top 89%)10181(Top 208%)
21M21.00 mi1.00 mi24453+710192-410192-424145(Top 91%)10171(Top 89%)10171(Top 208%)
35K21.75 mi0.75 mi24458-510197-510197-524467(Top 92%)10380(Top 91%)10380(Top 213%)
23M23.00 mi1.25 mi24473-1510218-2110218-2124455(Top 92%)10365(Top 91%)10365(Top 212%)
24M24.00 mi1.00 mi24476-310232-1410232-1424497(Top 92%)10427(Top 91%)10427(Top 213%)
40K24.85 mi0.85 mi24557-8110285-5310285-5325397(Top 95%)10865(Top 95%)10865(Top 222%)
25.2M25.20 mi0.35 mi24571-1410299-1410299-1424617(Top 92%)10496(Top 92%)10496(Top 215%)
Finish26.22 mi1.02 mi24670-9910351-5210351-5225771(Top 97%)11059(Top 97%)11059(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24641

Females

10256

F18-39

10256

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

24258

Females

10032

F18-39

10032

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24641

Females

10256

F18-39

10256

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

24678

Females

10297

F18-39

10297

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

24906

Females

10447

F18-39

10447

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

24575

Females

10270

F18-39

10270

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24362

Females

10199

F18-39

10199

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24196

Females

10181

F18-39

10181

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

24145

Females

10171

F18-39

10171

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

24467

Females

10380

F18-39

10380

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

24455

Females

10365

F18-39

10365

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24497

Females

10427

F18-39

10427

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25397

Females

10865

F18-39

10865

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24617

Females

10496

F18-39

10496

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

25771

Females

11059

F18-39

11059

Passing Analysis

Category:
Athletes Passed
605
Passed By
1427
Net Change
-822
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23848
5K → 10K92345-253#23848#24101
10K → 15K48265-217#24101#24318
15K → 20K58191-133#24318#24451
20K → Half1542-27#24451#24478
Half → 25K63110-47#24478#24525
25K → 30K11490+24#24525#24501
30K → 20M6120+41#24501#24460
20M → 21M4437+7#24460#24453
21M → 35K2530-5#24453#24458
35K → 23M3651-15#24458#24473
23M → 24M3336-3#24473#24476
24M → 40K485-81#24476#24557
40K → 25.2M721-14#24557#24571
25.2M → Finish5104-99#24571#24670
TOTALS6051427-822
📊

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