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BOSTON MARATHON 2023

Cheryl Louden

Bib: 18630•F

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 15%
Masters (Masters Women)
#0 / 6539
Top 6%
Division (F40-44)
#0 / 1878
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:11
Rank: #12211
Start → 5K
24:11 | 7:47/mi
10K· 6.21 mi
47:27
Rank: #11234 (+977)
5K → 10K
23:16 | 7:29/mi
15K· 9.32 mi
1:11:05
Rank: #11163 (+71)
10K → 15K
23:38 | 7:36/mi
20K· 12.43 mi
1:34:52
Rank: #10991 (+172)
15K → 20K
23:47 | 7:39/mi
Half· 13.11 mi
1:39:56
Rank: #10920 (+71)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:58:36
Rank: #10778 (+142)
Half → 25K
18:40 | 7:42/mi
30K· 18.64 mi
2:22:27
Rank: #10304 (+474)
25K → 30K
23:51 | 7:41/mi
20M
2:32:52
Rank: #10103 (+201)
30K → 20M
10:25 | 7:40/mi
21M
2:40:48
Rank: #9869 (+234)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:46:21
Rank: #9793 (+76)
21M → 35K
5:33 | 7:25/mi
23M
2:55:46
Rank: #9544 (+249)
35K → 23M
9:25 | 7:31/mi
24M
3:03:07
Rank: #9390 (+154)
23M → 24M
7:21 | 7:21/mi
40K· 24.85 mi
3:09:44
Rank: #9324 (+66)
24M → 40K
6:37 | 7:44/mi
25.2M
3:12:32
Rank: #9277 (+47)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:20:06
Rank: #9216 (+61)
25.2M → Finish
7:34 | 7:26/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:39:56
Pace7:37 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:40:10
Pace7:38 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1024:117:4724:11
7:47
-
10K
6.21 mi11:38:2647:277:3823:16
7:29
-0:18
15K
9.32 mi12:02:041:11:057:3823:38
7:36
+0:07
20K
12.43 mi12:25:511:34:527:3823:47
7:39
+0:03
Half
13.11 mi12:30:551:39:567:375:04
7:26
-0:13
25K
15.53 mi12:49:351:58:367:3818:40
7:42
+0:16
30K
18.64 mi13:13:262:22:277:3923:51
7:41
-0:01
20M
20.00 mi13:23:512:32:527:3910:25
7:40
-0:01
21M
21.00 mi13:31:472:40:487:397:56
7:56
+0:16
35K
21.75 mi13:37:202:46:217:395:33
7:25
-0:31
23M
23.00 mi13:46:452:55:467:399:25
7:31
+0:06
24M
24.00 mi13:54:063:03:077:387:21
7:21
-0:10
40K
24.85 mi14:00:433:09:447:386:37
7:44
+0:23
25.2M
25.20 mi14:03:313:12:327:382:48
8:07
+0:23
Finish
26.22 mi14:11:053:20:067:387:34
7:26
-0:41

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

7:21 /mi

Average Pace

7:38 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:18

99% of race

Time at Steady Pace

2:48

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi11:15:1024:117:4724:11
7:47
#12211
10K
6.21 mi11:38:2647:277:3823:16
7:29
#11234
15K
9.32 mi12:02:041:11:057:3823:38
7:36
#11163
20K
12.43 mi12:25:511:34:527:3823:47
7:39
#10991
Half
13.11 mi12:30:551:39:567:375:04
7:26
#10920
25K
15.53 mi12:49:351:58:367:3818:40
7:42
#10778
30K
18.64 mi13:13:262:22:277:3923:51
7:41
#10304
20M
20.00 mi13:23:512:32:527:3910:25
7:40
#10103
21M
21.00 mi13:31:472:40:487:397:56
7:56
#9869
35K
21.75 mi13:37:202:46:217:395:33
7:25
#9793
23M
23.00 mi13:46:452:55:467:399:25
7:31
#9544
24M
24.00 mi13:54:063:03:077:387:21
7:21
#9390
40K
24.85 mi14:00:433:09:447:386:37
7:44
#9324
25.2M
25.20 mi14:03:313:12:327:382:48
8:07
#9277
Finish
26.22 mi14:11:053:20:067:387:34
7:26
#9216
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi122112979297911082(Top 42%)2393(Top 21%)2393(Top 127%)
10K6.21 mi3.10 mi11234+9772456+5232456+52310370(Top 39%)1986(Top 17%)1986(Top 106%)
15K9.32 mi3.11 mi11163+712419+372419+3711082(Top 42%)2393(Top 21%)2393(Top 127%)
20K12.43 mi3.11 mi10991+1722327+922327+9210562(Top 40%)2173(Top 19%)2173(Top 116%)
Half13.11 mi0.68 mi10920+712298+292298+299673(Top 36%)1744(Top 15%)1744(Top 93%)
25K15.53 mi2.42 mi10778+1422239+592239+5910293(Top 39%)2127(Top 19%)2127(Top 113%)
30K18.64 mi3.11 mi10304+4742057+1822057+1828498(Top 32%)1509(Top 13%)1509(Top 80%)
20M20.00 mi1.36 mi10103+2011976+811976+817967(Top 30%)1390(Top 12%)1390(Top 74%)
21M21.00 mi1.00 mi9869+2341884+921884+926968(Top 26%)1128(Top 10%)1128(Top 60%)
35K21.75 mi0.75 mi9793+761866+181866+187992(Top 30%)1499(Top 13%)1499(Top 80%)
23M23.00 mi1.25 mi9544+2491784+821784+826575(Top 25%)1026(Top 9%)1026(Top 55%)
24M24.00 mi1.00 mi9390+1541759+251759+256768(Top 25%)1190(Top 10%)1190(Top 63%)
40K24.85 mi0.85 mi9324+661755+41755+48274(Top 31%)1856(Top 16%)1856(Top 99%)
25.2M25.20 mi0.35 mi9277+471748+71748+77297(Top 27%)1541(Top 13%)1541(Top 82%)
Finish26.22 mi1.02 mi9216+611744+41744+47991(Top 30%)1821(Top 16%)1821(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11082

Females

2393

F40-44

2393

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10370

Females

1986

F40-44

1986

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11082

Females

2393

F40-44

2393

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10562

Females

2173

F40-44

2173

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9673

Females

1744

F40-44

1744

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10293

Females

2127

F40-44

2127

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8498

Females

1509

F40-44

1509

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

7967

Females

1390

F40-44

1390

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6968

Females

1128

F40-44

1128

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

7992

Females

1499

F40-44

1499

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6575

Females

1026

F40-44

1026

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6768

Females

1190

F40-44

1190

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8274

Females

1856

F40-44

1856

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7297

Females

1541

F40-44

1541

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7991

Females

1821

F40-44

1821

Passing Analysis

Category:
Athletes Passed
3469*
Passed By
474
Net Change
+2995
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12211
5K → 10K103760+977#12211#11234
10K → 15K228157+71#11234#11163
15K → 20K24674+172#11163#10991
20K → Half743+71#10991#10920
Half → 25K19957+142#10920#10778
25K → 30K48814+474#10778#10304
30K → 20M205*4+201#10304#10103
20M → 21M243*9+234#10103#9869
21M → 35K848+76#9869#9793
35K → 23M2545+249#9793#9544
23M → 24M16612+154#9544#9390
24M → 40K9933+66#9390#9324
40K → 25.2M525+47#9324#9277
25.2M → Finish9433+61#9277#9216
TOTALS3469*474+2995

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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