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BOSTON MARATHON 2023

Lexi Sun

Bib: 29092•F

WA

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
32:46
Rank: #24826
Start → 5K
32:46 | 10:33/mi
10K· 6.21 mi
1:06:26
Rank: #25079 (-253)
5K → 10K
33:40 | 10:50/mi
15K· 9.32 mi
1:39:10
Rank: #24884 (+195)
10K → 15K
32:44 | 10:32/mi
20K· 12.43 mi
2:13:17
Rank: #24812 (+72)
15K → 20K
34:07 | 10:59/mi
Half· 13.11 mi
2:20:23
Rank: #24778 (+34)
20K → Half
7:06 | 10:24/mi
25K· 15.53 mi
2:49:21
Rank: #24859 (-81)
Half → 25K
28:58 | 11:57/mi
30K· 18.64 mi
3:30:17
Rank: #25068 (-209)
25K → 30K
40:56 | 13:11/mi
20M
3:49:04
Rank: #25169 (-101)
30K → 20M
18:47 | 13:49/mi
21M
4:02:08
Rank: #25128 (+41)
20M → 21M
13:04 | 13:04/mi
35K· 21.75 mi
4:12:34
Rank: #25191 (-63)
21M → 35K
10:26 | 13:57/mi
23M
4:29:57
Rank: #25250 (-59)
35K → 23M
17:23 | 13:53/mi
24M
4:42:40
Rank: #25259 (-9)
23M → 24M
12:43 | 12:43/mi
40K· 24.85 mi
4:54:37
Rank: #25302 (-43)
24M → 40K
11:57 | 13:59/mi
25.2M
4:59:08
Rank: #25291 (+11)
40K → 25.2M
4:31 | 13:06/mi
Finish· 26.22 mi
5:11:09
Rank: #25280 (+11)
25.2M → Finish
12:01 | 11:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:23
Pace10:43 /mi
2nd Half
Distance13.11 mi
Time2:50:46
Pace13:02 /mi
📊Positive Split: 21.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:5632:4610:3332:46
10:33
-
10K
6.21 mi12:28:361:06:2610:4133:40
10:50
+0:17
15K
9.32 mi13:01:201:39:1010:3832:44
10:32
-0:18
20K
12.43 mi13:35:272:13:1710:4334:07
10:59
+0:27
Half
13.11 mi13:42:332:20:2310:437:06
10:24
-0:35
25K
15.53 mi14:11:312:49:2110:5428:58
11:57
+1:33
30K
18.64 mi14:52:273:30:1711:1740:56
13:11
+1:14
20M
20.00 mi15:11:143:49:0411:2718:47
13:49
+0:38
21M
21.00 mi15:24:184:02:0811:3213:04
13:04
-0:45
35K
21.75 mi15:34:444:12:3411:3710:26
13:57
+0:53
23M
23.00 mi15:52:074:29:5711:4417:23
13:53
-0:04
24M
24.00 mi16:04:504:42:4011:4712:43
12:43
-1:10
40K
24.85 mi16:16:474:54:3711:5111:57
13:59
+1:16
25.2M
25.20 mi16:21:184:59:0811:524:31
13:06
-0:53
Finish
26.22 mi16:33:195:11:0911:5312:01
11:48
-1:18

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

10:24 /mi

Average Pace

11:53 /mi

Slowest Pace

13:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:22

58% of race

Time at Steady Pace

1:11:14

23% of race

Time at Slower Pace

58:33

19% of race

Average Pace: 11:52 /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 mi11:54:5632:4610:3332:46
10:33
#24826
10K
6.21 mi12:28:361:06:2610:4133:40
10:50
#25079
15K
9.32 mi13:01:201:39:1010:3832:44
10:32
#24884
20K
12.43 mi13:35:272:13:1710:4334:07
10:59
#24812
Half
13.11 mi13:42:332:20:2310:437:06
10:24
#24778
25K
15.53 mi14:11:312:49:2110:5428:58
11:57
#24859
30K
18.64 mi14:52:273:30:1711:1740:56
13:11
#25068
20M
20.00 mi15:11:143:49:0411:2718:47
13:49
#25169
21M
21.00 mi15:24:184:02:0811:3213:04
13:04
#25128
35K
21.75 mi15:34:444:12:3411:3710:26
13:57
#25191
23M
23.00 mi15:52:074:29:5711:4417:23
13:53
#25250
24M
24.00 mi16:04:504:42:4011:4712:43
12:43
#25259
40K
24.85 mi16:16:474:54:3711:5111:57
13:59
#25302
25.2M
25.20 mi16:21:184:59:0811:524:31
13:06
#25291
Finish
26.22 mi16:33:195:11:0911:5312:01
11:48
#25280
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24826103441034424527(Top 92%)10199(Top 89%)10199(Top 209%)
10K6.21 mi3.10 mi25079-25310481-13710481-13725243(Top 95%)10579(Top 93%)10579(Top 217%)
15K9.32 mi3.11 mi24884+19510376+10510376+10524527(Top 92%)10199(Top 89%)10199(Top 209%)
20K12.43 mi3.11 mi24812+7210348+2810348+2824616(Top 92%)10267(Top 90%)10267(Top 210%)
Half13.11 mi0.68 mi24778+3410335+1310335+1324055(Top 90%)9946(Top 87%)9946(Top 204%)
25K15.53 mi2.42 mi24859-8110390-5510390-5525119(Top 94%)10587(Top 93%)10587(Top 217%)
30K18.64 mi3.11 mi25068-20910527-13710527-13725558(Top 96%)10873(Top 95%)10873(Top 223%)
20M20.00 mi1.36 mi25169-10110589-6210589-6225736(Top 97%)10979(Top 96%)10979(Top 225%)
21M21.00 mi1.00 mi25128+4110577+1210577+1224171(Top 91%)10188(Top 89%)10188(Top 209%)
35K21.75 mi0.75 mi25191-6310616-3910616-3926112(Top 98%)11188(Top 98%)11188(Top 229%)
23M23.00 mi1.25 mi25250-5910662-4610662-4625753(Top 97%)11023(Top 96%)11023(Top 226%)
24M24.00 mi1.00 mi25259-910668-610668-625260(Top 95%)10804(Top 95%)10804(Top 221%)
40K24.85 mi0.85 mi25302-4310692-2410692-2425676(Top 96%)11012(Top 96%)11012(Top 225%)
25.2M25.20 mi0.35 mi25291+1110688+410688+424104(Top 91%)10243(Top 90%)10243(Top 210%)
Finish26.22 mi1.02 mi25280+11106881068825030(Top 94%)10684(Top 94%)10684(Top 219%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24527

Females

10199

F18-39

10199

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

25243

Females

10579

F18-39

10579

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24527

Females

10199

F18-39

10199

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

24616

Females

10267

F18-39

10267

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

24055

Females

9946

F18-39

9946

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

25119

Females

10587

F18-39

10587

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

25558

Females

10873

F18-39

10873

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

25736

Females

10979

F18-39

10979

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

24171

Females

10188

F18-39

10188

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

26112

Females

11188

F18-39

11188

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

25753

Females

11023

F18-39

11023

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

25260

Females

10804

F18-39

10804

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

25676

Females

11012

F18-39

11012

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24104

Females

10243

F18-39

10243

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2stories
+22ft-21ft

Overall

25030

Females

10684

F18-39

10684

Passing Analysis

Category:
Athletes Passed
725
Passed By
1179
Net Change
-454
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24826
5K → 10K80333-253#24826#25079
10K → 15K23338+195#25079#24884
15K → 20K13866+72#24884#24812
20K → Half417+34#24812#24778
Half → 25K45126-81#24778#24859
25K → 30K34243-209#24859#25068
30K → 20M14115-101#25068#25169
20M → 21M5716+41#25169#25128
21M → 35K669-63#25128#25191
35K → 23M1271-59#25191#25250
23M → 24M1827-9#25250#25259
24M → 40K750-43#25259#25302
40K → 25.2M154+11#25302#25291
25.2M → Finish2514+11#25291#25280
TOTALS7251179-454
📊

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