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BOSTON MARATHON 2023

Shayla Egan

Bib: 16578•F

UT

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:37/mi
29:52
↑ 97↓ 3451.5%
10K· 6.21 mi
9:44/mi
1:00:05
↑ 79↓ 1380.4%
15K· 9.32 mi
10:40/mi
1:33:13
↑ 67↓ 78
20K· 12.43 mi
12:26/mi
2:11:50
↑ 106↓ 860.1%
Half· 13.11 mi
9:35/mi
2:18:22
↑ 19↓ 370.5%
25K· 15.53 mi
11:23/mi
2:45:57
↑ 66↓ 880.2%
30K· 18.64 mi
11:42/mi
3:22:17
↑ 181↓ 1480.2%
20M
12:30/mi
3:39:16
↑ 64↓ 500.2%
21M
15:51/mi
3:55:07
↑ 106↓ 241.6%
35K· 21.75 mi
11:36/mi
4:03:48
↑ 17↓ 861.7%
23M
12:43/mi
4:19:43
↑ 23↓ 630.6%
24M
11:28/mi
4:31:11
↓ 821.3%
40K· 24.85 mi
12:25/mi
4:41:48
↓ 200.3%
25.2M
14:56/mi
4:46:57
↑ 13↓ 160.2%
Finish· 26.22 mi
11:04/mi
4:58:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:22
Pace10:33 /mi
2nd Half
Distance13.11 mi
Time2:39:52
Pace12:12 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5829:529:3729:52
9:37
-
10K
6.21 mi11:53:111:00:059:4030:13
9:44
+0:07
15K
9.32 mi12:26:191:33:1310:0033:08
10:40
+0:56
20K
12.43 mi13:04:562:11:5010:3638:37
12:26
+1:46
Half
13.11 mi13:11:282:18:2210:336:32
9:35
-2:51
25K
15.53 mi13:39:032:45:5710:4127:35
11:23
+1:48
30K
18.64 mi14:15:233:22:1710:5136:20
11:42
+0:19
20M
20.00 mi14:32:223:39:1610:5816:59
12:30
+0:48
21M
21.00 mi14:48:133:55:0711:1215:51
15:51
+3:21
35K
21.75 mi14:56:544:03:4811:138:41
11:36
-4:15
23M
23.00 mi15:12:494:19:4311:1815:55
12:43
+1:07
24M
24.00 mi15:24:174:31:1111:1811:28
11:28
-1:15
40K
24.85 mi15:34:544:41:4811:2010:37
12:25
+0:57
25.2M
25.20 mi15:40:034:46:5711:235:09
14:56
+2:31
Finish
26.22 mi15:51:204:58:1411:2311:17
11:04
-3:52

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

9:35 /mi

Average Pace

11:23 /mi

Slowest Pace

15:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:45

33% of race

Time at Steady Pace

2:24:35

48% of race

Time at Slower Pace

53:54

18% of race

Average Pace: 11:22 /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 mi11:22:5829:529:3729:52
9:37
#22422
10K
6.21 mi11:53:111:00:059:4030:13
9:44
#22808
15K
9.32 mi12:26:191:33:1310:0033:08
10:40
#23613
20K
12.43 mi13:04:562:11:5010:3638:37
12:26
#24608
Half
13.11 mi13:11:282:18:2210:336:32
9:35
#24498
25K
15.53 mi13:39:032:45:5710:4127:35
11:23
#24531
30K
18.64 mi14:15:233:22:1710:5136:20
11:42
#24452
20M
20.00 mi14:32:223:39:1610:5816:59
12:30
#24478
21M
21.00 mi14:48:133:55:0711:1215:51
15:51
#24696
35K
21.75 mi14:56:544:03:4811:138:41
11:36
#24678
23M
23.00 mi15:12:494:19:4311:1815:55
12:43
#24692
24M
24.00 mi15:24:174:31:1111:1811:28
11:28
#24669
40K
24.85 mi15:34:544:41:4811:2010:37
12:25
#24661
25.2M
25.20 mi15:40:034:46:5711:235:09
14:56
#24710
Finish
26.22 mi15:51:204:58:1411:2311:17
11:04
#24717
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi224229093909324753(Top 93%)10320(Top 90%)10320(Top 211%)
10K6.21 mi3.10 mi22808-3869260-1679260-16723108(Top 87%)9392(Top 82%)9392(Top 192%)
15K9.32 mi3.11 mi23613-8059681-4219681-42124753(Top 93%)10320(Top 90%)10320(Top 211%)
20K12.43 mi3.11 mi24608-99510238-55710238-55725926(Top 97%)11012(Top 96%)11012(Top 225%)
Half13.11 mi0.68 mi24498+11010182+5610182+5622353(Top 84%)8988(Top 79%)8988(Top 184%)
25K15.53 mi2.42 mi24531-3310205-2310205-2324516(Top 92%)10238(Top 90%)10238(Top 210%)
30K18.64 mi3.11 mi24452+7910177+2810177+2824125(Top 91%)10084(Top 88%)10084(Top 206%)
20M20.00 mi1.36 mi24478-2610198-2110198-2124743(Top 93%)10467(Top 92%)10467(Top 214%)
21M21.00 mi1.00 mi24696-21810329-13110329-13126168(Top 98%)11205(Top 98%)11205(Top 229%)
35K21.75 mi0.75 mi24678+1810330-110330-124237(Top 91%)10250(Top 90%)10250(Top 210%)
23M23.00 mi1.25 mi24692-1410342-1210342-1224812(Top 93%)10538(Top 92%)10538(Top 216%)
24M24.00 mi1.00 mi24669+2310341+110341+123833(Top 90%)10071(Top 88%)10071(Top 206%)
40K24.85 mi0.85 mi24661+810344-310344-324357(Top 91%)10372(Top 91%)10372(Top 212%)
25.2M25.20 mi0.35 mi24710-4910374-3010374-3025673(Top 96%)11013(Top 96%)11013(Top 225%)
Finish26.22 mi1.02 mi24717-710379-510379-524110(Top 91%)10219(Top 89%)10219(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

24753

Females

10320

F18-39

10320

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23108

Females

9392

F18-39

9392

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

24753

Females

10320

F18-39

10320

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

25926

Females

11012

F18-39

11012

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22353

Females

8988

F18-39

8988

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24516

Females

10238

F18-39

10238

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

24125

Females

10084

F18-39

10084

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

24743

Females

10467

F18-39

10467

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

26168

Females

11205

F18-39

11205

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24237

Females

10250

F18-39

10250

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24812

Females

10538

F18-39

10538

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23833

Females

10071

F18-39

10071

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24357

Females

10372

F18-39

10372

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25673

Females

11013

F18-39

11013

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24110

Females

10219

F18-39

10219

Passing Analysis

Category:
Athletes Passed
628
Passed By
2923
Net Change
-2295
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22422
5K → 10K96482-386#22422#22808
10K → 15K10815-805#22808#23613
15K → 20K51000-995#23613#24608
20K → Half1100+110#24608#24498
Half → 25K67100-33#24498#24531
25K → 30K14364+79#24531#24452
30K → 20M3258-26#24452#24478
20M → 21M2220-218#24478#24696
21M → 35K3214+18#24696#24678
35K → 23M3347-14#24678#24692
23M → 24M4219+23#24692#24669
24M → 40K3325+8#24669#24661
40K → 25.2M251-49#24661#24710
25.2M → Finish2128-7#24710#24717
TOTALS6282923-2295
📊

Passing Visuals

Category:
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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