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BOSTON MARATHON 2023

Rachael Sullivan

Bib: 11752•F

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0:00
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Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 6%
Division (F18-39)
#0 / 4884
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:13
Rank: #7203
Start → 5K
22:13 | 7:09/mi
10K· 6.21 mi
43:31
Rank: #6522 (+681)
5K → 10K
21:18 | 6:51/mi
15K· 9.32 mi
1:05:12
Rank: #6484 (+38)
10K → 15K
21:41 | 6:59/mi
20K· 12.43 mi
1:27:16
Rank: #6479 (+5)
15K → 20K
22:04 | 7:06/mi
Half· 13.11 mi
1:32:04
Rank: #6484 (-5)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:49:41
Rank: #6562 (-78)
Half → 25K
17:37 | 7:16/mi
30K· 18.64 mi
2:13:01
Rank: #6606 (-44)
25K → 30K
23:20 | 7:31/mi
20M
2:23:15
Rank: #6596 (+10)
30K → 20M
10:14 | 7:32/mi
21M
2:31:17
Rank: #6612 (-16)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:36:45
Rank: #6601 (+11)
21M → 35K
5:28 | 7:18/mi
23M
2:46:12
Rank: #6562 (+39)
35K → 23M
9:27 | 7:33/mi
24M
2:53:36
Rank: #6541 (+21)
23M → 24M
7:24 | 7:24/mi
40K· 24.85 mi
2:59:56
Rank: #6474 (+67)
24M → 40K
6:20 | 7:24/mi
25.2M
3:02:44
Rank: #6450 (+24)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:10:15
Rank: #6480 (-30)
25.2M → Finish
7:31 | 7:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:04
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:38:11
Pace7:29 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:4222:137:0922:13
7:09
-
10K
6.21 mi11:34:0043:317:0021:18
6:51
-0:18
15K
9.32 mi11:55:411:05:127:0021:41
6:59
+0:08
20K
12.43 mi12:17:451:27:167:0122:04
7:06
+0:07
Half
13.11 mi12:22:331:32:047:014:48
7:02
-0:04
25K
15.53 mi12:40:101:49:417:0417:37
7:16
+0:14
30K
18.64 mi13:03:302:13:017:0823:20
7:31
+0:15
20M
20.00 mi13:13:442:23:157:1010:14
7:32
+0:01
21M
21.00 mi13:21:462:31:177:128:02
8:02
+0:30
35K
21.75 mi13:27:142:36:457:125:28
7:18
-0:44
23M
23.00 mi13:36:412:46:127:149:27
7:33
+0:15
24M
24.00 mi13:44:052:53:367:147:24
7:24
-0:09
40K
24.85 mi13:50:252:59:567:146:20
7:24
0:00
25.2M
25.20 mi13:53:133:02:447:152:48
8:07
+0:43
Finish
26.22 mi14:00:443:10:157:167:31
7:23
-0:44

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

6:51 /mi

Average Pace

7:16 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:58

89% of race

Time at Steady Pace

17:29

9% of race

Time at Slower Pace

2:48

1% of race

Average Pace: 7:15 /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 mi11:12:4222:137:0922:13
7:09
#7203
10K
6.21 mi11:34:0043:317:0021:18
6:51
#6522
15K
9.32 mi11:55:411:05:127:0021:41
6:59
#6484
20K
12.43 mi12:17:451:27:167:0122:04
7:06
#6479
Half
13.11 mi12:22:331:32:047:014:48
7:02
#6484
25K
15.53 mi12:40:101:49:417:0417:37
7:16
#6562
30K
18.64 mi13:03:302:13:017:0823:20
7:31
#6606
20M
20.00 mi13:13:442:23:157:1010:14
7:32
#6596
21M
21.00 mi13:21:462:31:177:128:02
8:02
#6612
35K
21.75 mi13:27:142:36:457:125:28
7:18
#6601
23M
23.00 mi13:36:412:46:127:149:27
7:33
#6562
24M
24.00 mi13:44:052:53:367:147:24
7:24
#6541
40K
24.85 mi13:50:252:59:567:146:20
7:24
#6474
25.2M
25.20 mi13:53:133:02:447:152:48
8:07
#6450
Finish
26.22 mi14:00:443:10:157:167:31
7:23
#6480
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi72037687686444(Top 24%)627(Top 5%)627(Top 13%)
10K6.21 mi3.10 mi6522+681628+140628+1405818(Top 22%)499(Top 4%)499(Top 10%)
15K9.32 mi3.11 mi6484+38620+8620+86444(Top 24%)627(Top 5%)627(Top 13%)
20K12.43 mi3.11 mi6479+5624-4624-46580(Top 25%)676(Top 6%)676(Top 14%)
Half13.11 mi0.68 mi6484-5628-4628-46815(Top 26%)712(Top 6%)712(Top 15%)
25K15.53 mi2.42 mi6562-78653-25653-257073(Top 27%)855(Top 7%)855(Top 18%)
30K18.64 mi3.11 mi6606-44679-26679-267290(Top 27%)1028(Top 9%)1028(Top 21%)
20M20.00 mi1.36 mi6596+10691-12691-127011(Top 26%)1019(Top 9%)1019(Top 21%)
21M21.00 mi1.00 mi6612-16711-20711-207562(Top 28%)1328(Top 12%)1328(Top 27%)
35K21.75 mi0.75 mi6601+11717-6717-67196(Top 27%)1158(Top 10%)1158(Top 24%)
23M23.00 mi1.25 mi6562+39713+4713+46738(Top 25%)1069(Top 9%)1069(Top 22%)
24M24.00 mi1.00 mi6541+21718-5718-57073(Top 27%)1302(Top 11%)1302(Top 27%)
40K24.85 mi0.85 mi6474+67716+2716+26159(Top 23%)1032(Top 9%)1032(Top 21%)
25.2M25.20 mi0.35 mi6450+24713+3713+37251(Top 27%)1495(Top 13%)1495(Top 31%)
Finish26.22 mi1.02 mi6480-30742-29742-297640(Top 29%)1669(Top 15%)1669(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6444

Females

627

F18-39

627

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5818

Females

499

F18-39

499

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6444

Females

627

F18-39

627

15K→20K

9.3 - 12.4 mi

Top 25%
×5stories
+106ft-86ft

Overall

6580

Females

676

F18-39

676

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6815

Females

712

F18-39

712

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7073

Females

855

F18-39

855

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7290

Females

1028

F18-39

1028

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7011

Females

1019

F18-39

1019

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7562

Females

1328

F18-39

1328

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7196

Females

1158

F18-39

1158

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6738

Females

1069

F18-39

1069

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7073

Females

1302

F18-39

1302

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6159

Females

1032

F18-39

1032

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7251

Females

1495

F18-39

1495

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7640

Females

1669

F18-39

1669

Passing Analysis

Category:
Athletes Passed
1577
Passed By
854
Net Change
+723
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7203
5K → 10K70019+681#7203#6522
10K → 15K140102+38#6522#6484
15K → 20K105100+5#6484#6479
20K → Half1722-5#6479#6484
Half → 25K52130-78#6484#6562
25K → 30K104148-44#6562#6606
30K → 20M5949+10#6606#6596
20M → 21M5571-16#6596#6612
21M → 35K4534+11#6612#6601
35K → 23M8243+39#6601#6562
23M → 24M5938+21#6562#6541
24M → 40K8720+67#6541#6474
40K → 25.2M3713+24#6474#6450
25.2M → Finish3565-30#6450#6480
TOTALS1577854+723
📊

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