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BOSTON MARATHON 2023

Laura Cloutier

CA

Bib: 19820 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 38%
Division (F55-59)
#0 / 815
Top 15%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:26/mi
26:12
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:20/mi
52:04
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:18/mi
1:17:50
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:20/mi
1:43:43
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:18/mi
1:49:23
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:27/mi
2:09:52
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:37/mi
2:36:38
↑ 181↓ 1480.2%
138 ft elev
20M
8:43/mi
2:48:29
↑ 64↓ 500.2%
148 ft elev
21M
9:20/mi
2:57:49
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:31/mi
3:04:11
↑ 17↓ 861.7%
156 ft elev
23M
8:53/mi
3:15:18
↑ 23↓ 630.6%
116 ft elev
24M
8:50/mi
3:24:08
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:10/mi
3:31:58
↓ 200.3%
20 ft elev
25.2M
10:03/mi
3:35:26
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:51/mi
3:44:27
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:23
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:55:04
Pace8:47 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5726:128:2626:12
8:26
-
10K
6.21 mi11:43:4952:048:2325:52
8:20
-0:06
15K
9.32 mi12:09:351:17:508:2125:46
8:18
-0:02
20K
12.43 mi12:35:281:43:438:2125:53
8:20
+0:02
Half
13.11 mi12:41:081:49:238:215:40
8:18
-0:02
25K
15.53 mi13:01:372:09:528:2220:29
8:27
+0:09
30K
18.64 mi13:28:232:36:388:2426:46
8:37
+0:10
20M
20.00 mi13:40:142:48:298:2511:51
8:43
+0:06
21M
21.00 mi13:49:342:57:498:289:20
9:20
+0:37
35K
21.75 mi13:55:563:04:118:286:22
8:31
-0:49
23M
23.00 mi14:07:033:15:188:2911:07
8:53
+0:22
24M
24.00 mi14:15:533:24:088:308:50
8:50
-0:03
40K
24.85 mi14:23:433:31:588:327:50
9:10
+0:20
25.2M
25.20 mi14:27:113:35:268:333:28
10:03
+0:53
Finish
26.22 mi14:36:123:44:278:349:01
8:51
-1:12

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

8:18 /mi

Average Pace

8:34 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:11

37% of race

Time at Steady Pace

1:40:30

45% of race

Time at Slower Pace

40:46

18% of race

Average Pace: 8:34 /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 mi11:17:5726:128:2626:12
8:26
#17114
10K
6.21 mi11:43:4952:048:2325:52
8:20
#17062
15K
9.32 mi12:09:351:17:508:2125:46
8:18
#16857
20K
12.43 mi12:35:281:43:438:2125:53
8:20
#16601
Half
13.11 mi12:41:081:49:238:215:40
8:18
#16594
25K
15.53 mi13:01:372:09:528:2220:29
8:27
#16479
30K
18.64 mi13:28:232:36:388:2426:46
8:37
#16173
20M
20.00 mi13:40:142:48:298:2511:51
8:43
#16065
21M
21.00 mi13:49:342:57:498:289:20
9:20
#15980
35K
21.75 mi13:55:563:04:118:286:22
8:31
#15933
23M
23.00 mi14:07:033:15:188:2911:07
8:53
#15898
24M
24.00 mi14:15:533:24:088:308:50
8:50
#15913
40K
24.85 mi14:23:433:31:588:327:50
9:10
#15945
25.2M
25.20 mi14:27:113:35:268:333:28
10:03
#15977
Finish
26.22 mi14:36:123:44:278:349:01
8:51
#16040
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi171146003600316508(Top 62%)5598(Top 49%)5598(Top 687%)
10K6.21 mi3.10 mi17062+525956+475956+4717102(Top 64%)5934(Top 52%)5934(Top 728%)
15K9.32 mi3.11 mi16857+2055827+1295827+12916508(Top 62%)5598(Top 49%)5598(Top 687%)
20K12.43 mi3.11 mi16601+2565678+1495678+14915816(Top 59%)5238(Top 46%)5238(Top 643%)
Half13.11 mi0.68 mi16594+75678567816549(Top 62%)5632(Top 49%)5632(Top 691%)
25K15.53 mi2.42 mi16479+1155627+515627+5115910(Top 60%)5385(Top 47%)5385(Top 661%)
30K18.64 mi3.11 mi16173+3065487+1405487+14015025(Top 56%)4947(Top 43%)4947(Top 607%)
20M20.00 mi1.36 mi16065+1085434+535434+5315015(Top 56%)5004(Top 44%)5004(Top 614%)
21M21.00 mi1.00 mi15980+855400+345400+3415202(Top 57%)5174(Top 45%)5174(Top 635%)
35K21.75 mi0.75 mi15933+475391+95391+915413(Top 58%)5358(Top 47%)5358(Top 657%)
23M23.00 mi1.25 mi15898+355400-95400-915446(Top 58%)5422(Top 47%)5422(Top 665%)
24M24.00 mi1.00 mi15913-155424-245424-2416404(Top 62%)6024(Top 53%)6024(Top 739%)
40K24.85 mi0.85 mi15945-325450-265450-2616938(Top 64%)6362(Top 56%)6362(Top 781%)
25.2M25.20 mi0.35 mi15977-325472-225472-2217614(Top 66%)6741(Top 59%)6741(Top 827%)
Finish26.22 mi1.02 mi16040-635513-415513-4117277(Top 65%)6518(Top 57%)6518(Top 800%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16508

Females

5598

F55-59

5598

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

17102

Females

5934

F55-59

5934

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16508

Females

5598

F55-59

5598

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15816

Females

5238

F55-59

5238

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16549

Females

5632

F55-59

5632

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15910

Females

5385

F55-59

5385

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15025

Females

4947

F55-59

4947

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15015

Females

5004

F55-59

5004

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15202

Females

5174

F55-59

5174

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

15413

Females

5358

F55-59

5358

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

15446

Females

5422

F55-59

5422

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16404

Females

6024

F55-59

6024

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16938

Females

6362

F55-59

6362

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17614

Females

6741

F55-59

6741

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17277

Females

6518

F55-59

6518

Passing Analysis

Category:
Athletes Passed
2174
Passed By
1100
Net Change
+1074
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17114
5K → 10K349297+52#17114#17062
10K → 15K319114+205#17062#16857
15K → 20K31660+256#16857#16601
20K → Half3427+7#16601#16594
Half → 25K18772+115#16594#16479
25K → 30K35650+306#16479#16173
30K → 20M13527+108#16173#16065
20M → 21M12540+85#16065#15980
21M → 35K7023+47#15980#15933
35K → 23M10974+35#15933#15898
23M → 24M6681-15#15898#15913
24M → 40K5082-32#15913#15945
40K → 25.2M2355-32#15945#15977
25.2M → Finish3598-63#15977#16040
TOTALS21741100+1074
📊

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