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BOSTON MARATHON 2023

Lauren Robich

Bib: 20543•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Masters (Masters Women)
#0 / 6539
Top 35%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:57
Rank: #16525
Start → 5K
25:57 | 8:21/mi
10K· 6.21 mi
51:17
Rank: #16197 (+328)
5K → 10K
25:20 | 8:09/mi
15K· 9.32 mi
1:16:37
Rank: #15975 (+222)
10K → 15K
25:20 | 8:09/mi
20K· 12.43 mi
1:41:48
Rank: #15518 (+457)
15K → 20K
25:11 | 8:06/mi
Half· 13.11 mi
1:47:19
Rank: #15496 (+22)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:08:02
Rank: #15632 (-136)
Half → 25K
20:43 | 8:33/mi
30K· 18.64 mi
2:34:02
Rank: #15218 (+414)
25K → 30K
26:00 | 8:22/mi
20M
2:49:49
Rank: #16472 (-1254)
30K → 20M
15:47 | 11:37/mi
21M
2:58:21
Rank: #16132 (+340)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
3:04:44
Rank: #16097 (+35)
21M → 35K
6:23 | 8:32/mi
23M
3:15:25
Rank: #15939 (+158)
35K → 23M
10:41 | 8:32/mi
24M
3:23:59
Rank: #15877 (+62)
23M → 24M
8:34 | 8:34/mi
40K· 24.85 mi
3:31:18
Rank: #15786 (+91)
24M → 40K
7:19 | 8:34/mi
25.2M
3:34:15
Rank: #15687 (+99)
40K → 25.2M
2:57 | 8:34/mi
Finish· 26.22 mi
3:42:59
Rank: #15680 (+7)
25.2M → Finish
8:44 | 8:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:19
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:55:40
Pace8:49 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1525:578:2125:57
8:21
-
10K
6.21 mi11:43:3551:178:1525:20
8:09
-0:12
15K
9.32 mi12:08:551:16:378:1325:20
8:09
0:00
20K
12.43 mi12:34:061:41:488:1125:11
8:06
-0:03
Half
13.11 mi12:39:371:47:198:115:31
8:05
-0:01
25K
15.53 mi13:00:202:08:028:1520:43
8:33
+0:28
30K
18.64 mi13:26:202:34:028:1626:00
8:22
-0:11
20M
20.00 mi13:42:072:49:498:2915:47
11:37
+3:15
21M
21.00 mi13:50:392:58:218:308:32
8:32
-3:05
35K
21.75 mi13:57:023:04:448:306:23
8:32
0:00
23M
23.00 mi14:07:433:15:258:3010:41
8:32
0:00
24M
24.00 mi14:16:173:23:598:308:34
8:34
+0:02
40K
24.85 mi14:23:363:31:188:307:19
8:34
0:00
25.2M
25.20 mi14:26:333:34:158:302:57
8:34
0:00
Finish
26.22 mi14:35:173:42:598:318:44
8:34
0:00

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

8:05 /mi

Average Pace

8:31 /mi

Slowest Pace

11:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:42

14% of race

Time at Steady Pace

2:56:30

79% of race

Time at Slower Pace

15:47

7% of race

Average Pace: 8:30 /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 mi11:18:1525:578:2125:57
8:21
#16525
10K
6.21 mi11:43:3551:178:1525:20
8:09
#16197
15K
9.32 mi12:08:551:16:378:1325:20
8:09
#15975
20K
12.43 mi12:34:061:41:488:1125:11
8:06
#15518
Half
13.11 mi12:39:371:47:198:115:31
8:05
#15496
25K
15.53 mi13:00:202:08:028:1520:43
8:33
#15632
30K
18.64 mi13:26:202:34:028:1626:00
8:22
#15218
20M
20.00 mi13:42:072:49:498:2915:47
11:37
#16472
21M
21.00 mi13:50:392:58:218:308:32
8:32
#16132
35K
21.75 mi13:57:023:04:448:306:23
8:32
#16097
23M
23.00 mi14:07:433:15:258:3010:41
8:32
#15939
24M
24.00 mi14:16:173:23:598:308:34
8:34
#15877
40K
24.85 mi14:23:363:31:188:307:19
8:34
#15786
25.2M
25.20 mi14:26:333:34:158:302:57
8:34
#15687
Finish
26.22 mi14:35:173:42:598:318:44
8:34
#15680
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi165255618561815547(Top 58%)5012(Top 44%)5012(Top 267%)
10K6.21 mi3.10 mi16197+3285394+2245394+22415950(Top 60%)5247(Top 46%)5247(Top 279%)
15K9.32 mi3.11 mi15975+2225266+1285266+12815547(Top 58%)5012(Top 44%)5012(Top 267%)
20K12.43 mi3.11 mi15518+4575001+2655001+26514276(Top 54%)4277(Top 37%)4277(Top 228%)
Half13.11 mi0.68 mi15496+224996+54996+515121(Top 57%)4766(Top 42%)4766(Top 254%)
25K15.53 mi2.42 mi15632-1365108-1125108-11216468(Top 62%)5701(Top 50%)5701(Top 304%)
30K18.64 mi3.11 mi15218+4144894+2144894+21413495(Top 51%)4026(Top 35%)4026(Top 214%)
20M20.00 mi1.36 mi16472-12545687-7935687-79323693(Top 89%)9895(Top 87%)9895(Top 527%)
21M21.00 mi1.00 mi16132+3405497+1905497+19010634(Top 40%)2705(Top 24%)2705(Top 144%)
35K21.75 mi0.75 mi16097+355494+35494+315547(Top 58%)5452(Top 48%)5452(Top 290%)
23M23.00 mi1.25 mi15939+1585426+685426+6813473(Top 51%)4335(Top 38%)4335(Top 231%)
24M24.00 mi1.00 mi15877+625405+215405+2114823(Top 56%)5140(Top 45%)5140(Top 274%)
40K24.85 mi0.85 mi15786+915356+495356+4913765(Top 52%)4631(Top 41%)4631(Top 247%)
25.2M25.20 mi0.35 mi15687+995298+585298+5810041(Top 38%)2754(Top 24%)2754(Top 147%)
Finish26.22 mi1.02 mi15680+75299-15299-115779(Top 59%)5698(Top 50%)5698(Top 303%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15547

Females

5012

F40-44

5012

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

15950

Females

5247

F40-44

5247

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15547

Females

5012

F40-44

5012

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14276

Females

4277

F40-44

4277

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

15121

Females

4766

F40-44

4766

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16468

Females

5701

F40-44

5701

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13495

Females

4026

F40-44

4026

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

23693

Females

9895

F40-44

9895

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10634

Females

2705

F40-44

2705

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15547

Females

5452

F40-44

5452

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13473

Females

4335

F40-44

4335

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14823

Females

5140

F40-44

5140

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

13765

Females

4631

F40-44

4631

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10041

Females

2754

F40-44

2754

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

15779

Females

5698

F40-44

5698

Passing Analysis

Category:
Athletes Passed
2833
Passed By
1988
Net Change
+845
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16525
5K → 10K494166+328#16525#16197
10K → 15K324102+222#16197#15975
15K → 20K47518+457#15975#15518
20K → Half3917+22#15518#15496
Half → 25K105241-136#15496#15632
25K → 30K42814+414#15632#15218
30K → 20M31257-1254#15218#16472
20M → 21M3411+340#16472#16132
21M → 35K6833+35#16132#16097
35K → 23M17820+158#16097#15939
23M → 24M10139+62#15939#15877
24M → 40K11221+91#15877#15786
40K → 25.2M990+99#15786#15687
25.2M → Finish6659+7#15687#15680
TOTALS28331988+845
📊

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