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BOSTON MARATHON 2023

Lauren Dorsky

Bib: 2002•F

NY

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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Female)
#0 / 11423
Top 0.8%
Age Group (F18-39)
#0 / 4884
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
20:14
Rank: #2350
Start → 5K
20:14 | 6:31/mi
10K· 6.21 mi
40:20
Rank: #2454 (-104)
5K → 10K
20:06 | 6:28/mi
15K· 9.32 mi
1:00:22
Rank: #2428 (+26)
10K → 15K
20:02 | 6:27/mi
20K· 12.43 mi
1:20:51
Rank: #2485 (-57)
15K → 20K
20:29 | 6:36/mi
Half· 13.11 mi
1:25:21
Rank: #2522 (-37)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:41:37
Rank: #2633 (-111)
Half → 25K
16:16 | 6:43/mi
30K· 18.64 mi
2:02:29
Rank: #2584 (+49)
25K → 30K
20:52 | 6:43/mi
20M
2:11:39
Rank: #2555 (+29)
30K → 20M
9:10 | 6:45/mi
21M
2:18:45
Rank: #2526 (+29)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:23:38
Rank: #2497 (+29)
21M → 35K
4:53 | 6:32/mi
23M
2:32:00
Rank: #2436 (+61)
35K → 23M
8:22 | 6:41/mi
24M
2:38:22
Rank: #2379 (+57)
23M → 24M
6:22 | 6:22/mi
40K· 24.85 mi
2:43:58
Rank: #2332 (+47)
24M → 40K
5:36 | 6:33/mi
25.2M
2:46:24
Rank: #2312 (+20)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:53:00
Rank: #2279 (+33)
25.2M → Finish
6:36 | 6:29/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:25:21
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:27:39
Pace6:41 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1720:146:3120:14
6:31
-
10K
6.21 mi10:41:2340:206:2920:06
6:28
-0:03
15K
9.32 mi11:01:251:00:226:2920:02
6:27
-0:01
20K
12.43 mi11:21:541:20:516:3020:29
6:36
+0:09
Half
13.11 mi11:26:241:25:216:314:30
6:36
0:00
25K
15.53 mi11:42:401:41:376:3216:16
6:43
+0:07
30K
18.64 mi12:03:322:02:296:3420:52
6:43
0:00
20M
20.00 mi12:12:422:11:396:359:10
6:45
+0:02
21M
21.00 mi12:19:482:18:456:367:06
7:06
+0:21
35K
21.75 mi12:24:412:23:386:364:53
6:32
-0:34
23M
23.00 mi12:33:032:32:006:378:22
6:41
+0:09
24M
24.00 mi12:39:252:38:226:366:22
6:22
-0:19
40K
24.85 mi12:45:012:43:586:365:36
6:33
+0:11
25.2M
25.20 mi12:47:272:46:246:362:26
7:03
+0:30
Finish
26.22 mi12:54:032:53:006:366:36
6:29
-0:34

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:22 /mi

Average Pace

6:36 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:43:28

94% of race

Time at Steady Pace

9:32

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:36 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:1720:146:3120:14
6:31
#2350
10K
6.21 mi10:41:2340:206:2920:06
6:28
#2454
15K
9.32 mi11:01:251:00:226:2920:02
6:27
#2428
20K
12.43 mi11:21:541:20:516:3020:29
6:36
#2485
Half
13.11 mi11:26:241:25:216:314:30
6:36
#2522
25K
15.53 mi11:42:401:41:376:3216:16
6:43
#2633
30K
18.64 mi12:03:322:02:296:3420:52
6:43
#2584
20M
20.00 mi12:12:422:11:396:359:10
6:45
#2555
21M
21.00 mi12:19:482:18:456:367:06
7:06
#2526
35K
21.75 mi12:24:412:23:386:364:53
6:32
#2497
23M
23.00 mi12:33:032:32:006:378:22
6:41
#2436
24M
24.00 mi12:39:252:38:226:366:22
6:22
#2379
40K
24.85 mi12:45:012:43:586:365:36
6:33
#2332
25.2M
25.20 mi12:47:272:46:246:362:26
7:03
#2312
Finish
26.22 mi12:54:032:53:006:366:36
6:29
#2279
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi23501071072360(Top 9%)93(Top 0.8%)93(Top 2%)
10K6.21 mi3.10 mi2454-104109-2109-22626(Top 10%)112(Top 1.0%)112(Top 2%)
15K9.32 mi3.11 mi2428+26102+7102+72360(Top 9%)93(Top 0.8%)93(Top 2%)
20K12.43 mi3.11 mi2485-57103-1103-12803(Top 11%)121(Top 1%)121(Top 2%)
Half13.11 mi0.68 mi2522-37104-1104-13469(Top 13%)169(Top 1%)169(Top 3%)
25K15.53 mi2.42 mi2633-111113-9113-93446(Top 13%)177(Top 2%)177(Top 4%)
30K18.64 mi3.11 mi2584+49114-1114-12498(Top 9%)120(Top 1%)120(Top 2%)
20M20.00 mi1.36 mi2555+29111+3111+32528(Top 9%)128(Top 1%)128(Top 3%)
21M21.00 mi1.00 mi2526+29106+5106+52649(Top 10%)154(Top 1%)154(Top 3%)
35K21.75 mi0.75 mi2497+29105+1105+12624(Top 10%)141(Top 1%)141(Top 3%)
23M23.00 mi1.25 mi2436+61103+2103+22128(Top 8%)114(Top 1.0%)114(Top 2%)
24M24.00 mi1.00 mi2379+57100+3100+31598(Top 6%)85(Top 0.7%)85(Top 2%)
40K24.85 mi0.85 mi2332+4799+199+11758(Top 7%)104(Top 0.9%)104(Top 2%)
25.2M25.20 mi0.35 mi2312+2097+297+22007(Top 8%)119(Top 1%)119(Top 2%)
Finish26.22 mi1.02 mi2279+3395+295+22396(Top 9%)182(Top 2%)182(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2360

Females

93

F18-39

93

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2626

Females

112

F18-39

112

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2360

Females

93

F18-39

93

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2803

Females

121

F18-39

121

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3469

Females

169

F18-39

169

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3446

Females

177

F18-39

177

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2498

Females

120

F18-39

120

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2528

Females

128

F18-39

128

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2649

Females

154

F18-39

154

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2624

Females

141

F18-39

141

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2128

Females

114

F18-39

114

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1598

Females

85

F18-39

85

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1758

Females

104

F18-39

104

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2007

Females

119

F18-39

119

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2396

Females

182

F18-39

182

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
729
Passed By
658
Net Change
+71
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2350
5K → 10K89193-104#2350#2454
10K → 15K8761+26#2454#2428
15K → 20K43100-57#2428#2485
20K → Half239-37#2485#2522
Half → 25K23134-111#2522#2633
25K → 30K9647+49#2633#2584
30K → 20M5324+29#2584#2555
20M → 21M5324+29#2555#2526
21M → 35K367+29#2526#2497
35K → 23M665+61#2497#2436
23M → 24M614+57#2436#2379
24M → 40K547+47#2379#2332
40K → 25.2M222+20#2332#2312
25.2M → Finish4411+33#2312#2279
TOTALS729658+71
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing