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BOSTON MARATHON 2023

Elizabeth Chaisson

Bib: 30860•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
31:19
Rank: #23633
Start → 5K
31:19 | 10:05/mi
10K· 6.21 mi
1:03:25
Rank: #24073 (-440)
5K → 10K
32:06 | 10:20/mi
15K· 9.32 mi
1:36:11
Rank: #24273 (-200)
10K → 15K
32:46 | 10:33/mi
20K· 12.43 mi
2:08:40
Rank: #24128 (+145)
15K → 20K
32:29 | 10:27/mi
Half· 13.11 mi
2:15:41
Rank: #24108 (+20)
20K → Half
7:01 | 10:17/mi
25K· 15.53 mi
2:42:45
Rank: #24120 (-12)
Half → 25K
27:04 | 11:10/mi
30K· 18.64 mi
3:18:30
Rank: #24068 (+52)
25K → 30K
35:45 | 11:30/mi
20M
3:38:03
Rank: #24381 (-313)
30K → 20M
19:33 | 14:23/mi
21M
3:51:12
Rank: #24380 (+1)
20M → 21M
13:09 | 13:09/mi
35K· 21.75 mi
3:59:38
Rank: #24347 (+33)
21M → 35K
8:26 | 11:16/mi
23M
4:14:43
Rank: #24343 (+4)
35K → 23M
15:05 | 12:03/mi
24M
4:26:37
Rank: #24360 (-17)
23M → 24M
11:54 | 11:54/mi
40K· 24.85 mi
4:37:02
Rank: #24364 (-4)
24M → 40K
10:25 | 12:11/mi
25.2M
4:42:27
Rank: #24427 (-63)
40K → 25.2M
5:25 | 15:42/mi
Finish· 26.22 mi
4:54:11
Rank: #24446 (-19)
25.2M → Finish
11:44 | 11:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:15:41
Pace10:21 /mi
2nd Half
Distance13.11 mi
Time2:38:30
Pace12:05 /mi
📊Positive Split: 16.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:5031:1910:0531:19
10:05
-
10K
6.21 mi12:26:561:03:2510:1232:06
10:20
+0:15
15K
9.32 mi12:59:421:36:1110:1932:46
10:33
+0:13
20K
12.43 mi13:32:112:08:4010:2132:29
10:27
-0:06
Half
13.11 mi13:39:122:15:4110:217:01
10:17
-0:10
25K
15.53 mi14:06:162:42:4510:2927:04
11:10
+0:53
30K
18.64 mi14:42:013:18:3010:3935:45
11:30
+0:20
20M
20.00 mi15:01:343:38:0310:5419:33
14:23
+2:53
21M
21.00 mi15:14:433:51:1211:0113:09
13:09
-1:14
35K
21.75 mi15:23:093:59:3811:018:26
11:16
-1:53
23M
23.00 mi15:38:144:14:4311:0415:05
12:03
+0:47
24M
24.00 mi15:50:084:26:3711:0711:54
11:54
-0:09
40K
24.85 mi16:00:334:37:0211:0910:25
12:11
+0:17
25.2M
25.20 mi16:05:584:42:2711:135:25
15:42
+3:31
Finish
26.22 mi16:17:424:54:1111:1411:44
11:31
-4:11

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

10:05 /mi

Average Pace

11:14 /mi

Slowest Pace

15:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:41

46% of race

Time at Steady Pace

2:00:23

41% of race

Time at Slower Pace

38:07

13% of race

Average Pace: 11:13 /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 mi11:54:5031:1910:0531:19
10:05
#23633
10K
6.21 mi12:26:561:03:2510:1232:06
10:20
#24073
15K
9.32 mi12:59:421:36:1110:1932:46
10:33
#24273
20K
12.43 mi13:32:112:08:4010:2132:29
10:27
#24128
Half
13.11 mi13:39:122:15:4110:217:01
10:17
#24108
25K
15.53 mi14:06:162:42:4510:2927:04
11:10
#24120
30K
18.64 mi14:42:013:18:3010:3935:45
11:30
#24068
20M
20.00 mi15:01:343:38:0310:5419:33
14:23
#24381
21M
21.00 mi15:14:433:51:1211:0113:09
13:09
#24380
35K
21.75 mi15:23:093:59:3811:018:26
11:16
#24347
23M
23.00 mi15:38:144:14:4311:0415:05
12:03
#24343
24M
24.00 mi15:50:084:26:3711:0711:54
11:54
#24360
40K
24.85 mi16:00:334:37:0211:0910:25
12:11
#24364
25.2M
25.20 mi16:05:584:42:2711:135:25
15:42
#24427
Finish
26.22 mi16:17:424:54:1111:1411:44
11:31
#24446
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi236339718971824547(Top 92%)10207(Top 89%)10207(Top 209%)
10K6.21 mi3.10 mi24073-4409935-2179935-21724361(Top 92%)10094(Top 88%)10094(Top 207%)
15K9.32 mi3.11 mi24273-20010044-10910044-10924547(Top 92%)10207(Top 89%)10207(Top 209%)
20K12.43 mi3.11 mi24128+1459965+799965+7923766(Top 89%)9784(Top 86%)9784(Top 200%)
Half13.11 mi0.68 mi24108+209959+69959+623845(Top 90%)9834(Top 86%)9834(Top 201%)
25K15.53 mi2.42 mi24120-129974-159974-1524220(Top 91%)10069(Top 88%)10069(Top 206%)
30K18.64 mi3.11 mi24068+529955+199955+1923884(Top 90%)9956(Top 87%)9956(Top 204%)
20M20.00 mi1.36 mi24381-31310146-19110146-19126043(Top 98%)11148(Top 98%)11148(Top 228%)
21M21.00 mi1.00 mi24380+110155-910155-924261(Top 91%)10231(Top 90%)10231(Top 209%)
35K21.75 mi0.75 mi24347+3310146+910146+923776(Top 89%)10028(Top 88%)10028(Top 205%)
23M23.00 mi1.25 mi24343+410151-510151-524081(Top 90%)10175(Top 89%)10175(Top 208%)
24M24.00 mi1.00 mi24360-1710167-1610167-1624401(Top 92%)10378(Top 91%)10378(Top 212%)
40K24.85 mi0.85 mi24364-410176-910176-924106(Top 91%)10231(Top 90%)10231(Top 209%)
25.2M25.20 mi0.35 mi24427-6310212-3610212-3626026(Top 98%)11175(Top 98%)11175(Top 229%)
Finish26.22 mi1.02 mi24446-1910229-1710229-1724703(Top 93%)10508(Top 92%)10508(Top 215%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24547

Females

10207

F18-39

10207

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24361

Females

10094

F18-39

10094

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24547

Females

10207

F18-39

10207

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

23766

Females

9784

F18-39

9784

20K→Half

12.4 - 13.1 mi

Top 90%
×2stories
+19ft-37ft

Overall

23845

Females

9834

F18-39

9834

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24220

Females

10069

F18-39

10069

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23884

Females

9956

F18-39

9956

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

26043

Females

11148

F18-39

11148

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

24261

Females

10231

F18-39

10231

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

23776

Females

10028

F18-39

10028

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

24081

Females

10175

F18-39

10175

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

24401

Females

10378

F18-39

10378

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24106

Females

10231

F18-39

10231

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26026

Females

11175

F18-39

11175

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

24703

Females

10508

F18-39

10508

Passing Analysis

Category:
Athletes Passed
714
Passed By
1527
Net Change
-813
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23633
5K → 10K49489-440#23633#24073
10K → 15K53253-200#24073#24273
15K → 20K18035+145#24273#24128
20K → Half3111+20#24128#24108
Half → 25K93105-12#24108#24120
25K → 30K12573+52#24120#24068
30K → 20M4317-313#24068#24381
20M → 21M4342+1#24381#24380
21M → 35K4411+33#24380#24347
35K → 23M3531+4#24347#24343
23M → 24M2239-17#24343#24360
24M → 40K2226-4#24360#24364
40K → 25.2M063-63#24364#24427
25.2M → Finish1332-19#24427#24446
TOTALS7141527-813
📊

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