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BOSTON MARATHON 2023

Laura Kaulen

Bib: 16281•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Masters (Masters Women)
#0 / 6539
Top 14%
Division (F45-49)
#0 / 1817
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:18
Rank: #15030
Start → 5K
25:18 | 8:09/mi
10K· 6.21 mi
50:33
Rank: #15346 (-316)
5K → 10K
25:15 | 8:08/mi
15K· 9.32 mi
1:16:23
Rank: #15787 (-441)
10K → 15K
25:50 | 8:19/mi
20K· 12.43 mi
1:41:26
Rank: #15328 (+459)
15K → 20K
25:03 | 8:04/mi
Half· 13.11 mi
1:46:57
Rank: #15296 (+32)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:06:28
Rank: #14923 (+373)
Half → 25K
19:31 | 8:03/mi
30K· 18.64 mi
2:31:36
Rank: #14349 (+574)
25K → 30K
25:08 | 8:05/mi
20M
2:42:25
Rank: #14010 (+339)
30K → 20M
10:49 | 7:58/mi
21M
2:50:41
Rank: #13671 (+339)
20M → 21M
8:16 | 8:16/mi
35K· 21.75 mi
2:56:20
Rank: #13473 (+198)
21M → 35K
5:39 | 7:33/mi
23M
3:05:55
Rank: #13073 (+400)
35K → 23M
9:35 | 7:39/mi
24M
3:13:16
Rank: #12787 (+286)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
3:19:28
Rank: #12487 (+300)
24M → 40K
6:12 | 7:15/mi
25.2M
3:22:02
Rank: #12317 (+170)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:28:57
Rank: #11941 (+376)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:46:57
Pace8:09 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:00
Pace7:47 /mi
📊Negative Split: 4.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2125:188:0925:18
8:09
-
10K
6.21 mi11:40:3650:338:0825:15
8:08
-0:01
15K
9.32 mi12:06:261:16:238:1225:50
8:19
+0:11
20K
12.43 mi12:31:291:41:268:1025:03
8:04
-0:15
Half
13.11 mi12:37:001:46:578:095:31
8:05
+0:01
25K
15.53 mi12:56:312:06:288:0819:31
8:03
-0:02
30K
18.64 mi13:21:392:31:368:0825:08
8:05
+0:02
20M
20.00 mi13:32:282:42:258:0710:49
7:58
-0:07
21M
21.00 mi13:40:442:50:418:088:16
8:16
+0:18
35K
21.75 mi13:46:232:56:208:065:39
7:33
-0:43
23M
23.00 mi13:55:583:05:558:059:35
7:39
+0:06
24M
24.00 mi14:03:193:13:168:037:21
7:21
-0:18
40K
24.85 mi14:09:313:19:288:026:12
7:15
-0:06
25.2M
25.20 mi14:12:053:22:028:012:34
7:27
+0:12
Finish
26.22 mi14:19:003:28:577:596:55
6:47
-0:40

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

6:47 /mi

Average Pace

7:59 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:16

18% of race

Time at Steady Pace

2:16:35

65% of race

Time at Slower Pace

34:06

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 mi11:15:2125:188:0925:18
8:09
#15030
10K
6.21 mi11:40:3650:338:0825:15
8:08
#15346
15K
9.32 mi12:06:261:16:238:1225:50
8:19
#15787
20K
12.43 mi12:31:291:41:268:1025:03
8:04
#15328
Half
13.11 mi12:37:001:46:578:095:31
8:05
#15296
25K
15.53 mi12:56:312:06:288:0819:31
8:03
#14923
30K
18.64 mi13:21:392:31:368:0825:08
8:05
#14349
20M
20.00 mi13:32:282:42:258:0710:49
7:58
#14010
21M
21.00 mi13:40:442:50:418:088:16
8:16
#13671
35K
21.75 mi13:46:232:56:208:065:39
7:33
#13473
23M
23.00 mi13:55:583:05:558:059:35
7:39
#13073
24M
24.00 mi14:03:193:13:168:037:21
7:21
#12787
40K
24.85 mi14:09:313:19:288:026:12
7:15
#12487
25.2M
25.20 mi14:12:053:22:028:012:34
7:27
#12317
Finish
26.22 mi14:19:003:28:577:596:55
6:47
#11941
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi150304655465516637(Top 62%)5688(Top 50%)5688(Top 313%)
10K6.21 mi3.10 mi15346-3164866-2114866-21115719(Top 59%)5086(Top 45%)5086(Top 280%)
15K9.32 mi3.11 mi15787-4415144-2785144-27816637(Top 62%)5688(Top 50%)5688(Top 313%)
20K12.43 mi3.11 mi15328+4594887+2574887+25713945(Top 52%)4072(Top 36%)4072(Top 224%)
Half13.11 mi0.68 mi15296+324873+144873+1415038(Top 56%)4683(Top 41%)4683(Top 258%)
25K15.53 mi2.42 mi14923+3734660+2134660+21313143(Top 49%)3704(Top 32%)3704(Top 204%)
30K18.64 mi3.11 mi14349+5744366+2944366+29411585(Top 44%)2947(Top 26%)2947(Top 162%)
20M20.00 mi1.36 mi14010+3394172+1944172+19410015(Top 38%)2246(Top 20%)2246(Top 124%)
21M21.00 mi1.00 mi13671+3393972+2003972+2009069(Top 34%)1966(Top 17%)1966(Top 108%)
35K21.75 mi0.75 mi13473+1983868+1043868+1049001(Top 34%)1938(Top 17%)1938(Top 107%)
23M23.00 mi1.25 mi13073+4003665+2033665+2037495(Top 28%)1382(Top 12%)1382(Top 76%)
24M24.00 mi1.00 mi12787+2863524+1413524+1416781(Top 25%)1203(Top 11%)1203(Top 66%)
40K24.85 mi0.85 mi12487+3003368+1563368+1565210(Top 20%)735(Top 6%)735(Top 40%)
25.2M25.20 mi0.35 mi12317+1703277+913277+913727(Top 14%)405(Top 4%)405(Top 22%)
Finish26.22 mi1.02 mi11941+3763089+1883089+1884041(Top 15%)477(Top 4%)477(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16637

Females

5688

F45-49

5688

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15719

Females

5086

F45-49

5086

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16637

Females

5688

F45-49

5688

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13945

Females

4072

F45-49

4072

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15038

Females

4683

F45-49

4683

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

13143

Females

3704

F45-49

3704

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

11585

Females

2947

F45-49

2947

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10015

Females

2246

F45-49

2246

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9069

Females

1966

F45-49

1966

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9001

Females

1938

F45-49

1938

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7495

Females

1382

F45-49

1382

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6781

Females

1203

F45-49

1203

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5210

Females

735

F45-49

735

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3727

Females

405

F45-49

405

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4041

Females

477

F45-49

477

Passing Analysis

Category:
Athletes Passed
4142
Passed By
1053
Net Change
+3089
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15030
5K → 10K176492-316#15030#15346
10K → 15K59500-441#15346#15787
15K → 20K48021+459#15787#15328
20K → Half4715+32#15328#15296
Half → 25K38411+373#15296#14923
25K → 30K5806+574#14923#14349
30K → 20M3412+339#14349#14010
20M → 21M3412+339#14010#13671
21M → 35K1991+198#13671#13473
35K → 23M4011+400#13473#13073
23M → 24M2871+286#13073#12787
24M → 40K3011+300#12787#12487
40K → 25.2M1700+170#12487#12317
25.2M → Finish3760+376#12317#11941
TOTALS41421053+3089
📊

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