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BOSTON MARATHON 2023

Laura Burns

Bib: 16759•F

OH

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0:00
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:36
Rank: #15722
Start → 5K
25:36 | 8:14/mi
10K· 6.21 mi
50:19
Rank: #15102 (+620)
5K → 10K
24:43 | 7:57/mi
15K· 9.32 mi
1:15:14
Rank: #14919 (+183)
10K → 15K
24:55 | 8:01/mi
20K· 12.43 mi
1:40:08
Rank: #14537 (+382)
15K → 20K
24:54 | 8:01/mi
Half· 13.11 mi
1:45:33
Rank: #14506 (+31)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:04:56
Rank: #14222 (+284)
Half → 25K
19:23 | 8:00/mi
30K· 18.64 mi
2:30:04
Rank: #13671 (+551)
25K → 30K
25:08 | 8:05/mi
20M
2:41:07
Rank: #13469 (+202)
30K → 20M
11:03 | 8:08/mi
21M
2:49:35
Rank: #13257 (+212)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:55:16
Rank: #13083 (+174)
21M → 35K
5:41 | 7:36/mi
23M
3:05:19
Rank: #12891 (+192)
35K → 23M
10:03 | 8:02/mi
24M
3:12:38
Rank: #12583 (+308)
23M → 24M
7:19 | 7:19/mi
40K· 24.85 mi
3:19:00
Rank: #12332 (+251)
24M → 40K
6:22 | 7:27/mi
25.2M
3:21:45
Rank: #12229 (+103)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:28:51
Rank: #11915 (+314)
25.2M → Finish
7:06 | 6:58/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:45:33
Pace8:03 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:18
Pace7:53 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:0325:368:1425:36
8:14
-
10K
6.21 mi11:41:4650:198:0624:43
7:57
-0:17
15K
9.32 mi12:06:411:15:148:0424:55
8:01
+0:04
20K
12.43 mi12:31:351:40:088:0324:54
8:01
0:00
Half
13.11 mi12:37:001:45:338:035:25
7:56
-0:05
25K
15.53 mi12:56:232:04:568:0319:23
8:00
+0:04
30K
18.64 mi13:21:312:30:048:0325:08
8:05
+0:05
20M
20.00 mi13:32:342:41:078:0311:03
8:08
+0:03
21M
21.00 mi13:41:022:49:358:058:28
8:28
+0:20
35K
21.75 mi13:46:432:55:168:045:41
7:36
-0:52
23M
23.00 mi13:56:463:05:198:0310:03
8:02
+0:26
24M
24.00 mi14:04:053:12:388:027:19
7:19
-0:43
40K
24.85 mi14:10:273:19:008:006:22
7:27
+0:08
25.2M
25.20 mi14:13:123:21:458:002:45
7:58
+0:31
Finish
26.22 mi14:20:183:28:517:587:06
6:58
-1:00

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

6:58 /mi

Average Pace

7:58 /mi

Slowest Pace

8:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:28

13% of race

Time at Steady Pace

2:28:19

71% of race

Time at Slower Pace

34:04

16% of race

Average Pace: 7:58 /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 mi11:17:0325:368:1425:36
8:14
#15722
10K
6.21 mi11:41:4650:198:0624:43
7:57
#15102
15K
9.32 mi12:06:411:15:148:0424:55
8:01
#14919
20K
12.43 mi12:31:351:40:088:0324:54
8:01
#14537
Half
13.11 mi12:37:001:45:338:035:25
7:56
#14506
25K
15.53 mi12:56:232:04:568:0319:23
8:00
#14222
30K
18.64 mi13:21:312:30:048:0325:08
8:05
#13671
20M
20.00 mi13:32:342:41:078:0311:03
8:08
#13469
21M
21.00 mi13:41:022:49:358:058:28
8:28
#13257
35K
21.75 mi13:46:432:55:168:045:41
7:36
#13083
23M
23.00 mi13:56:463:05:198:0310:03
8:02
#12891
24M
24.00 mi14:04:053:12:388:027:19
7:19
#12583
40K
24.85 mi14:10:273:19:008:006:22
7:27
#12332
25.2M
25.20 mi14:13:123:21:458:002:45
7:58
#12229
Finish
26.22 mi14:20:183:28:517:587:06
6:58
#11915
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi157225102510214539(Top 55%)4403(Top 39%)4403(Top 90%)
10K6.21 mi3.10 mi15102+6204707+3954707+39514448(Top 54%)4326(Top 38%)4326(Top 89%)
15K9.32 mi3.11 mi14919+1834607+1004607+10014539(Top 55%)4403(Top 39%)4403(Top 90%)
20K12.43 mi3.11 mi14537+3824389+2184389+21813554(Top 51%)3840(Top 34%)3840(Top 79%)
Half13.11 mi0.68 mi14506+314370+194370+1913891(Top 52%)4000(Top 35%)4000(Top 82%)
25K15.53 mi2.42 mi14222+2844243+1274243+12712702(Top 48%)3467(Top 30%)3467(Top 71%)
30K18.64 mi3.11 mi13671+5513939+3043939+30411584(Top 44%)2946(Top 26%)2946(Top 60%)
20M20.00 mi1.36 mi13469+2023839+1003839+10011261(Top 42%)2857(Top 25%)2857(Top 58%)
21M21.00 mi1.00 mi13257+2123725+1143725+11410326(Top 39%)2553(Top 22%)2553(Top 52%)
35K21.75 mi0.75 mi13083+1743642+833642+839327(Top 35%)2080(Top 18%)2080(Top 43%)
23M23.00 mi1.25 mi12891+1923568+743568+749970(Top 37%)2502(Top 22%)2502(Top 51%)
24M24.00 mi1.00 mi12583+3083400+1683400+1686542(Top 25%)1103(Top 10%)1103(Top 23%)
40K24.85 mi0.85 mi12332+2513276+1243276+1246427(Top 24%)1145(Top 10%)1145(Top 23%)
25.2M25.20 mi0.35 mi12229+1033230+463230+466473(Top 24%)1257(Top 11%)1257(Top 26%)
Finish26.22 mi1.02 mi11915+3143076+1543076+1545062(Top 19%)760(Top 7%)760(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14539

Females

4403

F18-39

4403

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14448

Females

4326

F18-39

4326

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14539

Females

4403

F18-39

4403

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13554

Females

3840

F18-39

3840

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13891

Females

4000

F18-39

4000

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12702

Females

3467

F18-39

3467

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11584

Females

2946

F18-39

2946

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11261

Females

2857

F18-39

2857

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10326

Females

2553

F18-39

2553

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9327

Females

2080

F18-39

2080

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9970

Females

2502

F18-39

2502

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6542

Females

1103

F18-39

1103

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6427

Females

1145

F18-39

1145

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6473

Females

1257

F18-39

1257

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5062

Females

760

F18-39

760

Passing Analysis

Category:
Athletes Passed
4146
Passed By
339
Net Change
+3807
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15722
5K → 10K723103+620#15722#15102
10K → 15K28097+183#15102#14919
15K → 20K42139+382#14919#14537
20K → Half4817+31#14537#14506
Half → 25K30622+284#14506#14222
25K → 30K56514+551#14222#13671
30K → 20M21715+202#13671#13469
20M → 21M22715+212#13469#13257
21M → 35K1784+174#13257#13083
35K → 23M20412+192#13083#12891
23M → 24M3091+308#12891#12583
24M → 40K2510+251#12583#12332
40K → 25.2M1030+103#12332#12229
25.2M → Finish3140+314#12229#11915
TOTALS4146339+3807
📊

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