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BOSTON MARATHON 2023

Lauren Bunch

Bib: 10548•F

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Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:20
Rank: #7437
Start → 5K
22:20 | 7:11/mi
10K· 6.21 mi
44:09
Rank: #7153 (+284)
5K → 10K
21:49 | 7:01/mi
15K· 9.32 mi
1:06:21
Rank: #7236 (-83)
10K → 15K
22:12 | 7:09/mi
20K· 12.43 mi
1:28:44
Rank: #7163 (+73)
15K → 20K
22:23 | 7:12/mi
Half· 13.11 mi
1:33:39
Rank: #7197 (-34)
20K → Half
4:55 | 7:12/mi
25K· 15.53 mi
1:51:19
Rank: #7168 (+29)
Half → 25K
17:40 | 7:17/mi
30K· 18.64 mi
2:14:39
Rank: #7111 (+57)
25K → 30K
23:20 | 7:31/mi
20M
2:24:57
Rank: #7103 (+8)
30K → 20M
10:18 | 7:35/mi
21M
2:33:05
Rank: #7116 (-13)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:38:26
Rank: #7073 (+43)
21M → 35K
5:21 | 7:09/mi
23M
2:47:38
Rank: #6918 (+155)
35K → 23M
9:12 | 7:21/mi
24M
2:54:48
Rank: #6842 (+76)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
3:01:14
Rank: #6795 (+47)
24M → 40K
6:26 | 7:31/mi
25.2M
3:03:58
Rank: #6766 (+29)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:11:15
Rank: #6691 (+75)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:39
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:37:36
Pace7:27 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2222:207:1122:20
7:11
-
10K
6.21 mi11:10:1144:097:0621:49
7:01
-0:10
15K
9.32 mi11:32:231:06:217:0722:12
7:09
+0:08
20K
12.43 mi11:54:461:28:447:0822:23
7:12
+0:03
Half
13.11 mi11:59:411:33:397:094:55
7:12
0:00
25K
15.53 mi12:17:211:51:197:1017:40
7:17
+0:05
30K
18.64 mi12:40:412:14:397:1323:20
7:31
+0:14
20M
20.00 mi12:50:592:24:577:1510:18
7:35
+0:04
21M
21.00 mi12:59:072:33:057:178:08
8:08
+0:33
35K
21.75 mi13:04:282:38:267:175:21
7:09
-0:59
23M
23.00 mi13:13:402:47:387:179:12
7:21
+0:12
24M
24.00 mi13:20:502:54:487:177:10
7:10
-0:11
40K
24.85 mi13:27:163:01:147:186:26
7:31
+0:21
25.2M
25.20 mi13:30:003:03:587:182:44
7:56
+0:25
Finish
26.22 mi13:37:173:11:157:187:17
7:09
-0:47

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

7:01 /mi

Average Pace

7:18 /mi

Slowest Pace

8:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:23

94% of race

Time at Steady Pace

10:52

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:18 /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 mi10:48:2222:207:1122:20
7:11
#7437
10K
6.21 mi11:10:1144:097:0621:49
7:01
#7153
15K
9.32 mi11:32:231:06:217:0722:12
7:09
#7236
20K
12.43 mi11:54:461:28:447:0822:23
7:12
#7163
Half
13.11 mi11:59:411:33:397:094:55
7:12
#7197
25K
15.53 mi12:17:211:51:197:1017:40
7:17
#7168
30K
18.64 mi12:40:412:14:397:1323:20
7:31
#7111
20M
20.00 mi12:50:592:24:577:1510:18
7:35
#7103
21M
21.00 mi12:59:072:33:057:178:08
8:08
#7116
35K
21.75 mi13:04:282:38:267:175:21
7:09
#7073
23M
23.00 mi13:13:402:47:387:179:12
7:21
#6918
24M
24.00 mi13:20:502:54:487:177:10
7:10
#6842
40K
24.85 mi13:27:163:01:147:186:26
7:31
#6795
25.2M
25.20 mi13:30:003:03:587:182:44
7:56
#6766
Finish
26.22 mi13:37:173:11:157:187:17
7:09
#6691
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi74378278277454(Top 28%)878(Top 8%)878(Top 18%)
10K6.21 mi3.10 mi7153+284769+58769+586982(Top 26%)743(Top 7%)743(Top 15%)
15K9.32 mi3.11 mi7236-83803-34803-347454(Top 28%)878(Top 8%)878(Top 18%)
20K12.43 mi3.11 mi7163+73785+18785+187149(Top 27%)820(Top 7%)820(Top 17%)
Half13.11 mi0.68 mi7197-34797-12797-127947(Top 30%)1056(Top 9%)1056(Top 22%)
25K15.53 mi2.42 mi7168+29800-3800-37224(Top 27%)912(Top 8%)912(Top 19%)
30K18.64 mi3.11 mi7111+57807-7807-77292(Top 27%)1030(Top 9%)1030(Top 21%)
20M20.00 mi1.36 mi7103+8811-4811-47366(Top 28%)1159(Top 10%)1159(Top 24%)
21M21.00 mi1.00 mi7116-13832-21832-218204(Top 31%)1600(Top 14%)1600(Top 33%)
35K21.75 mi0.75 mi7073+43829+3829+36257(Top 24%)838(Top 7%)838(Top 17%)
23M23.00 mi1.25 mi6918+155815+14815+145584(Top 21%)683(Top 6%)683(Top 14%)
24M24.00 mi1.00 mi6842+76812+3812+35586(Top 21%)745(Top 7%)745(Top 15%)
40K24.85 mi0.85 mi6795+47817-5817-56870(Top 26%)1301(Top 11%)1301(Top 27%)
25.2M25.20 mi0.35 mi6766+29815+2815+26144(Top 23%)1094(Top 10%)1094(Top 22%)
Finish26.22 mi1.02 mi6691+75808+7808+76117(Top 23%)1099(Top 10%)1099(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7454

Females

878

F18-39

878

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6982

Females

743

F18-39

743

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7454

Females

878

F18-39

878

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7149

Females

820

F18-39

820

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7947

Females

1056

F18-39

1056

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7224

Females

912

F18-39

912

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7292

Females

1030

F18-39

1030

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7366

Females

1159

F18-39

1159

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8204

Females

1600

F18-39

1600

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6257

Females

838

F18-39

838

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5584

Females

683

F18-39

683

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5586

Females

745

F18-39

745

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6870

Females

1301

F18-39

1301

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6144

Females

1094

F18-39

1094

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6117

Females

1099

F18-39

1099

Passing Analysis

Category:
Athletes Passed
1545
Passed By
799
Net Change
+746
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7437
5K → 10K392108+284#7437#7153
10K → 15K102185-83#7153#7236
15K → 20K14370+73#7236#7163
20K → Half337-34#7163#7197
Half → 25K10374+29#7197#7168
25K → 30K14689+57#7168#7111
30K → 20M5951+8#7111#7103
20M → 21M6275-13#7103#7116
21M → 35K5714+43#7116#7073
35K → 23M17318+155#7073#6918
23M → 24M9519+76#6918#6842
24M → 40K7225+47#6842#6795
40K → 25.2M4011+29#6795#6766
25.2M → Finish9823+75#6766#6691
TOTALS1545799+746
📊

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