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BOSTON MARATHON 2023

Laura Coughlin

Bib: 27867•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

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
9:45/mi
30:18
↑ 97↓ 3451.5%
10K· 6.21 mi
9:18/mi
59:11
↑ 79↓ 1380.4%
15K· 9.32 mi
9:26/mi
1:28:30
↑ 67↓ 78
20K· 12.43 mi
9:38/mi
1:58:26
↑ 106↓ 860.1%
Half· 13.11 mi
9:35/mi
2:04:58
↑ 19↓ 370.5%
25K· 15.53 mi
10:06/mi
2:29:27
↑ 66↓ 880.2%
30K· 18.64 mi
10:25/mi
3:01:50
↑ 181↓ 1480.2%
20M
10:31/mi
3:16:08
↑ 64↓ 500.2%
21M
11:26/mi
3:27:34
↑ 106↓ 241.6%
35K· 21.75 mi
11:03/mi
3:35:50
↑ 17↓ 861.7%
23M
10:58/mi
3:49:34
↑ 23↓ 630.6%
24M
10:50/mi
4:00:24
↓ 821.3%
40K· 24.85 mi
10:57/mi
4:09:46
↓ 200.3%
25.2M
11:53/mi
4:13:52
↑ 13↓ 160.2%
Finish· 26.22 mi
10:09/mi
4:24:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:58
Pace9:32 /mi
2nd Half
Distance13.11 mi
Time2:19:15
Pace10:37 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3430:189:4530:18
9:45
-
10K
6.21 mi12:16:2759:119:3128:53
9:18
-0:27
15K
9.32 mi12:45:461:28:309:3029:19
9:26
+0:08
20K
12.43 mi13:15:421:58:269:3229:56
9:38
+0:12
Half
13.11 mi13:22:142:04:589:326:32
9:35
-0:03
25K
15.53 mi13:46:432:29:279:3724:29
10:06
+0:31
30K
18.64 mi14:19:063:01:509:4532:23
10:25
+0:19
20M
20.00 mi14:33:243:16:089:4814:18
10:31
+0:06
21M
21.00 mi14:44:503:27:349:5311:26
11:26
+0:55
35K
21.75 mi14:53:063:35:509:558:16
11:03
-0:23
23M
23.00 mi15:06:503:49:349:5913:44
10:58
-0:05
24M
24.00 mi15:17:404:00:2410:0110:50
10:50
-0:08
40K
24.85 mi15:27:024:09:4610:039:22
10:57
+0:07
25.2M
25.20 mi15:31:084:13:5210:044:06
11:53
+0:56
Finish
26.22 mi15:41:294:24:1310:0510:21
10:09
-1:44

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

9:18 /mi

Average Pace

10:05 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:58

47% of race

Time at Steady Pace

1:21:31

31% of race

Time at Slower Pace

57:44

22% of race

Average Pace: 10:05 /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 mi11:47:3430:189:4530:18
9:45
#22799
10K
6.21 mi12:16:2759:119:3128:53
9:18
#22389
15K
9.32 mi12:45:461:28:309:3029:19
9:26
#22296
20K
12.43 mi13:15:421:58:269:3229:56
9:38
#22213
Half
13.11 mi13:22:142:04:589:326:32
9:35
#22205
25K
15.53 mi13:46:432:29:279:3724:29
10:06
#22256
30K
18.64 mi14:19:063:01:509:4532:23
10:25
#22227
20M
20.00 mi14:33:243:16:089:4814:18
10:31
#22173
21M
21.00 mi14:44:503:27:349:5311:26
11:26
#22144
35K
21.75 mi14:53:063:35:509:558:16
11:03
#22176
23M
23.00 mi15:06:503:49:349:5913:44
10:58
#22194
24M
24.00 mi15:17:404:00:2410:0110:50
10:50
#22223
40K
24.85 mi15:27:024:09:4610:039:22
10:57
#22231
25.2M
25.20 mi15:31:084:13:5210:044:06
11:53
#22241
Finish
26.22 mi15:41:294:24:1310:0510:21
10:09
#22242
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi227999276927622074(Top 83%)8830(Top 77%)8830(Top 181%)
10K6.21 mi3.10 mi22389+4109047+2299047+22921930(Top 82%)8786(Top 77%)8786(Top 180%)
15K9.32 mi3.11 mi22296+938986+618986+6122074(Top 83%)8830(Top 77%)8830(Top 181%)
20K12.43 mi3.11 mi22213+838946+408946+4021962(Top 82%)8780(Top 77%)8780(Top 180%)
Half13.11 mi0.68 mi22205+88942+48942+422339(Top 84%)8974(Top 79%)8974(Top 184%)
25K15.53 mi2.42 mi22256-518978-368978-3622428(Top 84%)9077(Top 79%)9077(Top 186%)
30K18.64 mi3.11 mi22227+298962+168962+1622059(Top 83%)8942(Top 78%)8942(Top 183%)
20M20.00 mi1.36 mi22173+548941+218941+2121798(Top 82%)8870(Top 78%)8870(Top 182%)
21M21.00 mi1.00 mi22144+298939+28939+221771(Top 82%)8870(Top 78%)8870(Top 182%)
35K21.75 mi0.75 mi22176-328965-268965-2623389(Top 88%)9807(Top 86%)9807(Top 201%)
23M23.00 mi1.25 mi22194-188988-238988-2322290(Top 84%)9211(Top 81%)9211(Top 189%)
24M24.00 mi1.00 mi22223-299002-149002-1422729(Top 85%)9487(Top 83%)9487(Top 194%)
40K24.85 mi0.85 mi22231-89014-129014-1222265(Top 84%)9274(Top 81%)9274(Top 190%)
25.2M25.20 mi0.35 mi22241-109023-99023-922316(Top 84%)9294(Top 81%)9294(Top 190%)
Finish26.22 mi1.02 mi22242-19031-89031-822188(Top 83%)9222(Top 81%)9222(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

22074

Females

8830

F18-39

8830

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21930

Females

8786

F18-39

8786

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

22074

Females

8830

F18-39

8830

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21962

Females

8780

F18-39

8780

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22339

Females

8974

F18-39

8974

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22428

Females

9077

F18-39

9077

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22059

Females

8942

F18-39

8942

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21798

Females

8870

F18-39

8870

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21771

Females

8870

F18-39

8870

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23389

Females

9807

F18-39

9807

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22290

Females

9211

F18-39

9211

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22729

Females

9487

F18-39

9487

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22265

Females

9274

F18-39

9274

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22316

Females

9294

F18-39

9294

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

22188

Females

9222

F18-39

9222

Passing Analysis

Category:
Athletes Passed
1454
Passed By
897
Net Change
+557
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22799
5K → 10K49686+410#22799#22389
10K → 15K209116+93#22389#22296
15K → 20K17693+83#22296#22213
20K → Half2214+8#22213#22205
Half → 25K84135-51#22205#22256
25K → 30K137108+29#22256#22227
30K → 20M9036+54#22227#22173
20M → 21M7243+29#22173#22144
21M → 35K1850-32#22144#22176
35K → 23M4563-18#22176#22194
23M → 24M2756-29#22194#22223
24M → 40K3745-8#22223#22231
40K → 25.2M1222-10#22231#22241
25.2M → Finish2930-1#22241#22242
TOTALS1454897+557
📊

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