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BOSTON MARATHON 2023

Debra Carmichael

Bib: 21528•F

ON

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:09
Rank: #19121
Start → 5K
27:09 | 8:44/mi
10K· 6.21 mi
53:33
Rank: #18623 (+498)
5K → 10K
26:24 | 8:30/mi
15K· 9.32 mi
1:19:49
Rank: #18254 (+369)
10K → 15K
26:16 | 8:27/mi
20K· 12.43 mi
1:46:27
Rank: #18001 (+253)
15K → 20K
26:38 | 8:34/mi
Half· 13.11 mi
1:52:20
Rank: #18013 (-12)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:14:05
Rank: #18156 (-143)
Half → 25K
21:45 | 8:58/mi
30K· 18.64 mi
2:41:37
Rank: #17773 (+383)
25K → 30K
27:32 | 8:52/mi
20M
2:53:53
Rank: #17699 (+74)
30K → 20M
12:16 | 9:02/mi
21M
3:03:16
Rank: #17556 (+143)
20M → 21M
9:23 | 9:23/mi
35K· 21.75 mi
3:09:57
Rank: #17551 (+5)
21M → 35K
6:41 | 8:56/mi
23M
3:21:03
Rank: #17415 (+136)
35K → 23M
11:06 | 8:52/mi
24M
3:29:43
Rank: #17337 (+78)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:37:20
Rank: #17255 (+82)
24M → 40K
7:37 | 8:54/mi
25.2M
3:40:33
Rank: #17218 (+37)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:49:11
Rank: #17154 (+64)
25.2M → Finish
8:38 | 8:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:20
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time1:56:51
Pace8:55 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4927:098:4427:09
8:44
-
10K
6.21 mi11:47:1353:338:3726:24
8:30
-0:14
15K
9.32 mi12:13:291:19:498:3426:16
8:27
-0:03
20K
12.43 mi12:40:071:46:278:3426:38
8:34
+0:07
Half
13.11 mi12:46:001:52:208:345:53
8:37
+0:03
25K
15.53 mi13:07:452:14:058:3821:45
8:58
+0:21
30K
18.64 mi13:35:172:41:378:4027:32
8:52
-0:06
20M
20.00 mi13:47:332:53:538:4212:16
9:02
+0:10
21M
21.00 mi13:56:563:03:168:449:23
9:23
+0:21
35K
21.75 mi14:03:373:09:578:446:41
8:56
-0:27
23M
23.00 mi14:14:433:21:038:4411:06
8:52
-0:04
24M
24.00 mi14:23:233:29:438:448:40
8:40
-0:12
40K
24.85 mi14:31:003:37:208:457:37
8:54
+0:14
25.2M
25.20 mi14:34:133:40:338:453:13
9:20
+0:26
Finish
26.22 mi14:42:513:49:118:458:38
8:28
-0:52

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

8:27 /mi

Average Pace

8:45 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:36:35

95% of race

Time at Steady Pace

12:36

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:44 /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 mi11:20:4927:098:4427:09
8:44
#19121
10K
6.21 mi11:47:1353:338:3726:24
8:30
#18623
15K
9.32 mi12:13:291:19:498:3426:16
8:27
#18254
20K
12.43 mi12:40:071:46:278:3426:38
8:34
#18001
Half
13.11 mi12:46:001:52:208:345:53
8:37
#18013
25K
15.53 mi13:07:452:14:058:3821:45
8:58
#18156
30K
18.64 mi13:35:172:41:378:4027:32
8:52
#17773
20M
20.00 mi13:47:332:53:538:4212:16
9:02
#17699
21M
21.00 mi13:56:563:03:168:449:23
9:23
#17556
35K
21.75 mi14:03:373:09:578:446:41
8:56
#17551
23M
23.00 mi14:14:433:21:038:4411:06
8:52
#17415
24M
24.00 mi14:23:233:29:438:448:40
8:40
#17337
40K
24.85 mi14:31:003:37:208:457:37
8:54
#17255
25.2M
25.20 mi14:34:133:40:338:453:13
9:20
#17218
Finish
26.22 mi14:42:513:49:118:458:38
8:28
#17154
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi191217275727517511(Top 66%)6221(Top 54%)6221(Top 342%)
10K6.21 mi3.10 mi18623+4986895+3806895+38018237(Top 69%)6614(Top 58%)6614(Top 364%)
15K9.32 mi3.11 mi18254+3696667+2286667+22817511(Top 66%)6221(Top 54%)6221(Top 342%)
20K12.43 mi3.11 mi18001+2536519+1486519+14817318(Top 65%)6118(Top 54%)6118(Top 337%)
Half13.11 mi0.68 mi18013-126519651918481(Top 69%)6758(Top 59%)6758(Top 372%)
25K15.53 mi2.42 mi18156-1436626-1076626-10718817(Top 71%)7019(Top 61%)7019(Top 386%)
30K18.64 mi3.11 mi17773+3836419+2076419+20716451(Top 62%)5757(Top 50%)5757(Top 317%)
20M20.00 mi1.36 mi17699+746395+246395+2416706(Top 63%)5979(Top 52%)5979(Top 329%)
21M21.00 mi1.00 mi17556+1436331+646331+6415437(Top 58%)5314(Top 47%)5314(Top 292%)
35K21.75 mi0.75 mi17551+56341-106341-1017642(Top 66%)6628(Top 58%)6628(Top 365%)
23M23.00 mi1.25 mi17415+1366267+746267+7415387(Top 58%)5396(Top 47%)5396(Top 297%)
24M24.00 mi1.00 mi17337+786231+366231+3615499(Top 58%)5539(Top 48%)5539(Top 305%)
40K24.85 mi0.85 mi17255+826203+286203+2815690(Top 59%)5682(Top 50%)5682(Top 313%)
25.2M25.20 mi0.35 mi17218+376190+136190+1314423(Top 54%)4993(Top 44%)4993(Top 275%)
Finish26.22 mi1.02 mi17154+646157+336157+3315277(Top 57%)5420(Top 47%)5420(Top 298%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17511

Females

6221

F45-49

6221

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

18237

Females

6614

F45-49

6614

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17511

Females

6221

F45-49

6221

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17318

Females

6118

F45-49

6118

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18481

Females

6758

F45-49

6758

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18817

Females

7019

F45-49

7019

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

16451

Females

5757

F45-49

5757

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16706

Females

5979

F45-49

5979

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15437

Females

5314

F45-49

5314

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17642

Females

6628

F45-49

6628

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15387

Females

5396

F45-49

5396

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15499

Females

5539

F45-49

5539

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15690

Females

5682

F45-49

5682

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14423

Females

4993

F45-49

4993

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15277

Females

5420

F45-49

5420

Passing Analysis

Category:
Athletes Passed
2783
Passed By
816
Net Change
+1967
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19121
5K → 10K679181+498#19121#18623
10K → 15K42051+369#18623#18254
15K → 20K31259+253#18254#18001
20K → Half2739-12#18001#18013
Half → 25K77220-143#18013#18156
25K → 30K41633+383#18156#17773
30K → 20M12349+74#17773#17699
20M → 21M17330+143#17699#17556
21M → 35K4742+5#17556#17551
35K → 23M15721+136#17551#17415
23M → 24M10325+78#17415#17337
24M → 40K11230+82#17337#17255
40K → 25.2M414+37#17255#17218
25.2M → Finish9632+64#17218#17154
TOTALS2783816+1967
📊

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