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BOSTON MARATHON 2023

Laura Heisler

Bib: 23555•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:57
Rank: #20438
Start → 5K
27:57 | 9:00/mi
10K· 6.21 mi
56:51
Rank: #21245 (-807)
5K → 10K
28:54 | 9:18/mi
15K· 9.32 mi
1:26:02
Rank: #21467 (-222)
10K → 15K
29:11 | 9:24/mi
20K· 12.43 mi
1:55:43
Rank: #21542 (-75)
15K → 20K
29:41 | 9:33/mi
Half· 13.11 mi
2:02:13
Rank: #21578 (-36)
20K → Half
6:30 | 9:32/mi
25K· 15.53 mi
2:25:50
Rank: #21561 (+17)
Half → 25K
23:37 | 9:44/mi
30K· 18.64 mi
2:57:29
Rank: #21545 (+16)
25K → 30K
31:39 | 10:11/mi
20M
3:12:43
Rank: #21699 (-154)
30K → 20M
15:14 | 11:13/mi
21M
3:23:24
Rank: #21605 (+94)
20M → 21M
10:41 | 10:41/mi
35K· 21.75 mi
3:30:49
Rank: #21581 (+24)
21M → 35K
7:25 | 9:55/mi
23M
3:43:23
Rank: #21491 (+90)
35K → 23M
12:34 | 10:02/mi
24M
3:53:58
Rank: #21531 (-40)
23M → 24M
10:35 | 10:35/mi
40K· 24.85 mi
4:02:30
Rank: #21469 (+62)
24M → 40K
8:32 | 9:59/mi
25.2M
4:06:11
Rank: #21437 (+32)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
4:15:54
Rank: #21374 (+63)
25.2M → Finish
9:43 | 9:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:13
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:13:41
Pace10:12 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:4427:579:0027:57
9:00
-
10K
6.21 mi11:52:3856:519:0928:54
9:18
+0:18
15K
9.32 mi12:21:491:26:029:1429:11
9:24
+0:06
20K
12.43 mi12:51:301:55:439:1929:41
9:33
+0:09
Half
13.11 mi12:58:002:02:139:196:30
9:32
-0:01
25K
15.53 mi13:21:372:25:509:2323:37
9:44
+0:12
30K
18.64 mi13:53:162:57:299:3131:39
10:11
+0:27
20M
20.00 mi14:08:303:12:439:3815:14
11:13
+1:02
21M
21.00 mi14:19:113:23:249:4110:41
10:41
-0:32
35K
21.75 mi14:26:363:30:499:427:25
9:55
-0:46
23M
23.00 mi14:39:103:43:239:4312:34
10:02
+0:07
24M
24.00 mi14:49:453:53:589:4510:35
10:35
+0:33
40K
24.85 mi14:58:174:02:309:458:32
9:59
-0:36
25.2M
25.20 mi15:01:584:06:119:463:41
10:41
+0:42
Finish
26.22 mi15:11:414:15:549:469:43
9:32
-1:09

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

9:00 /mi

Average Pace

9:46 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:56

52% of race

Time at Steady Pace

1:23:47

33% of race

Time at Slower Pace

40:11

16% of race

Average Pace: 9:46 /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 mi11:23:4427:579:0027:57
9:00
#20438
10K
6.21 mi11:52:3856:519:0928:54
9:18
#21245
15K
9.32 mi12:21:491:26:029:1429:11
9:24
#21467
20K
12.43 mi12:51:301:55:439:1929:41
9:33
#21542
Half
13.11 mi12:58:002:02:139:196:30
9:32
#21578
25K
15.53 mi13:21:372:25:509:2323:37
9:44
#21561
30K
18.64 mi13:53:162:57:299:3131:39
10:11
#21545
20M
20.00 mi14:08:303:12:439:3815:14
11:13
#21699
21M
21.00 mi14:19:113:23:249:4110:41
10:41
#21605
35K
21.75 mi14:26:363:30:499:427:25
9:55
#21581
23M
23.00 mi14:39:103:43:239:4312:34
10:02
#21491
24M
24.00 mi14:49:453:53:589:4510:35
10:35
#21531
40K
24.85 mi14:58:174:02:309:458:32
9:59
#21469
25.2M
25.20 mi15:01:584:06:119:463:41
10:41
#21437
Finish
26.22 mi15:11:414:15:549:469:43
9:32
#21374
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi204388078807821943(Top 82%)8757(Top 77%)8757(Top 1662%)
10K6.21 mi3.10 mi21245-8078445-3678445-36721947(Top 82%)8792(Top 77%)8792(Top 1668%)
15K9.32 mi3.11 mi21467-2228538-938538-9321943(Top 82%)8757(Top 77%)8757(Top 1662%)
20K12.43 mi3.11 mi21542-758579-418579-4121714(Top 82%)8632(Top 76%)8632(Top 1638%)
Half13.11 mi0.68 mi21578-368593-148593-1422195(Top 83%)8882(Top 78%)8882(Top 1685%)
25K15.53 mi2.42 mi21561+178579+148579+1421590(Top 81%)8611(Top 75%)8611(Top 1634%)
30K18.64 mi3.11 mi21545+168583-48583-421501(Top 81%)8634(Top 76%)8634(Top 1638%)
20M20.00 mi1.36 mi21699-1548676-938676-9323032(Top 87%)9526(Top 83%)9526(Top 1808%)
21M21.00 mi1.00 mi21605+948634+428634+4220126(Top 76%)7998(Top 70%)7998(Top 1518%)
35K21.75 mi0.75 mi21581+248628+68628+621060(Top 79%)8522(Top 75%)8522(Top 1617%)
23M23.00 mi1.25 mi21491+908596+328596+3220112(Top 76%)8025(Top 70%)8025(Top 1523%)
24M24.00 mi1.00 mi21531-408631-358631-3522204(Top 83%)9209(Top 81%)9209(Top 1747%)
40K24.85 mi0.85 mi21469+628608+238608+2319921(Top 75%)8022(Top 70%)8022(Top 1522%)
25.2M25.20 mi0.35 mi21437+328595+138595+1319696(Top 74%)7904(Top 69%)7904(Top 1500%)
Finish26.22 mi1.02 mi21374+638571+248571+2420267(Top 76%)8160(Top 71%)8160(Top 1548%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21943

Females

8757

F60-64

8757

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21947

Females

8792

F60-64

8792

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21943

Females

8757

F60-64

8757

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

21714

Females

8632

F60-64

8632

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

22195

Females

8882

F60-64

8882

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21590

Females

8611

F60-64

8611

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21501

Females

8634

F60-64

8634

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23032

Females

9526

F60-64

9526

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20126

Females

7998

F60-64

7998

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

21060

Females

8522

F60-64

8522

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20112

Females

8025

F60-64

8025

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22204

Females

9209

F60-64

9209

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19921

Females

8022

F60-64

8022

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19696

Females

7904

F60-64

7904

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

20267

Females

8160

F60-64

8160

Passing Analysis

Category:
Athletes Passed
1035
Passed By
1971
Net Change
-936
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20438
5K → 10K66873-807#20438#21245
10K → 15K80302-222#21245#21467
15K → 20K98173-75#21467#21542
20K → Half2056-36#21542#21578
Half → 25K11497+17#21578#21561
25K → 30K134118+16#21561#21545
30K → 20M26180-154#21545#21699
20M → 21M11117+94#21699#21605
21M → 35K4420+24#21605#21581
35K → 23M11525+90#21581#21491
23M → 24M3272-40#21491#21531
24M → 40K7412+62#21531#21469
40K → 25.2M397+32#21469#21437
25.2M → Finish8219+63#21437#21374
TOTALS10351971-936
📊

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