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BOSTON MARATHON 2023

Margie Baker

Bib: 20077•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Masters (Masters Women)
#0 / 6539
Top 15%
Division (F40-44)
#0 / 1878
Top 30%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:26
Rank: #15364
Start → 5K
25:26 | 8:11/mi
10K· 6.21 mi
49:58
Rank: #14678 (+686)
5K → 10K
24:32 | 7:54/mi
15K· 9.32 mi
1:14:36
Rank: #14386 (+292)
10K → 15K
24:38 | 7:56/mi
20K· 12.43 mi
1:38:58
Rank: #13812 (+574)
15K → 20K
24:22 | 7:51/mi
Half· 13.11 mi
1:44:15
Rank: #13724 (+88)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:03:25
Rank: #13425 (+299)
Half → 25K
19:10 | 7:54/mi
30K· 18.64 mi
2:28:22
Rank: #12980 (+445)
25K → 30K
24:57 | 8:02/mi
20M
2:39:57
Rank: #13034 (-54)
30K → 20M
11:35 | 8:32/mi
21M
2:48:29
Rank: #12842 (+192)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
2:54:20
Rank: #12748 (+94)
21M → 35K
5:51 | 7:49/mi
23M
3:04:37
Rank: #12647 (+101)
35K → 23M
10:17 | 8:13/mi
24M
3:12:37
Rank: #12579 (+68)
23M → 24M
8:00 | 8:00/mi
40K· 24.85 mi
3:19:36
Rank: #12526 (+53)
24M → 40K
6:59 | 8:10/mi
25.2M
3:22:24
Rank: #12436 (+90)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:30:10
Rank: #12309 (+127)
25.2M → Finish
7:46 | 7:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:15
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:45:55
Pace8:05 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3525:268:1125:26
8:11
-
10K
6.21 mi11:42:0749:588:0224:32
7:54
-0:17
15K
9.32 mi12:06:451:14:368:0024:38
7:56
+0:02
20K
12.43 mi12:31:071:38:587:5824:22
7:51
-0:05
Half
13.11 mi12:36:241:44:157:575:17
7:45
-0:06
25K
15.53 mi12:55:342:03:257:5719:10
7:54
+0:09
30K
18.64 mi13:20:312:28:227:5824:57
8:02
+0:08
20M
20.00 mi13:32:062:39:578:0011:35
8:32
+0:30
21M
21.00 mi13:40:382:48:298:018:32
8:32
0:00
35K
21.75 mi13:46:292:54:208:015:51
7:49
-0:43
23M
23.00 mi13:56:463:04:378:0210:17
8:13
+0:24
24M
24.00 mi14:04:463:12:378:028:00
8:00
-0:13
40K
24.85 mi14:11:453:19:368:026:59
8:10
+0:10
25.2M
25.20 mi14:14:333:22:248:022:48
8:07
-0:03
Finish
26.22 mi14:22:193:30:108:017:46
7:37
-0:30

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

7:37 /mi

Average Pace

8:01 /mi

Slowest Pace

8:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:03

90% of race

Time at Steady Pace

20:07

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi11:17:3525:268:1125:26
8:11
#15364
10K
6.21 mi11:42:0749:588:0224:32
7:54
#14678
15K
9.32 mi12:06:451:14:368:0024:38
7:56
#14386
20K
12.43 mi12:31:071:38:587:5824:22
7:51
#13812
Half
13.11 mi12:36:241:44:157:575:17
7:45
#13724
25K
15.53 mi12:55:342:03:257:5719:10
7:54
#13425
30K
18.64 mi13:20:312:28:227:5824:57
8:02
#12980
20M
20.00 mi13:32:062:39:578:0011:35
8:32
#13034
21M
21.00 mi13:40:382:48:298:018:32
8:32
#12842
35K
21.75 mi13:46:292:54:208:015:51
7:49
#12748
23M
23.00 mi13:56:463:04:378:0210:17
8:13
#12647
24M
24.00 mi14:04:463:12:378:028:00
8:00
#12579
40K
24.85 mi14:11:453:19:368:026:59
8:10
#12526
25.2M
25.20 mi14:14:333:22:248:022:48
8:07
#12436
Finish
26.22 mi14:22:193:30:108:017:46
7:37
#12309
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi153644874487413810(Top 52%)3969(Top 35%)3969(Top 211%)
10K6.21 mi3.10 mi14678+6864449+4254449+42513963(Top 52%)4019(Top 35%)4019(Top 214%)
15K9.32 mi3.11 mi14386+2924288+1614288+16113810(Top 52%)3969(Top 35%)3969(Top 211%)
20K12.43 mi3.11 mi13812+5743967+3213967+32112117(Top 46%)3040(Top 27%)3040(Top 162%)
Half13.11 mi0.68 mi13724+883917+503917+5012304(Top 46%)3096(Top 27%)3096(Top 165%)
25K15.53 mi2.42 mi13425+2993759+1583759+15811973(Top 45%)3060(Top 27%)3060(Top 163%)
30K18.64 mi3.11 mi12980+4453535+2243535+22411166(Top 42%)2725(Top 24%)2725(Top 145%)
20M20.00 mi1.36 mi13034-543589-543589-5413817(Top 52%)4316(Top 38%)4316(Top 230%)
21M21.00 mi1.00 mi12842+1923499+903499+9010632(Top 40%)2703(Top 24%)2703(Top 144%)
35K21.75 mi0.75 mi12748+943457+423457+4210857(Top 41%)2809(Top 25%)2809(Top 150%)
23M23.00 mi1.25 mi12647+1013419+383419+3811297(Top 42%)3158(Top 28%)3158(Top 168%)
24M24.00 mi1.00 mi12579+683398+213398+2111267(Top 42%)3229(Top 28%)3229(Top 172%)
40K24.85 mi0.85 mi12526+533389+93389+911170(Top 42%)3240(Top 28%)3240(Top 173%)
25.2M25.20 mi0.35 mi12436+903346+433346+437334(Top 28%)1578(Top 14%)1578(Top 84%)
Finish26.22 mi1.02 mi12309+1273297+493297+499461(Top 36%)2466(Top 22%)2466(Top 131%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13810

Females

3969

F40-44

3969

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13963

Females

4019

F40-44

4019

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13810

Females

3969

F40-44

3969

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12117

Females

3040

F40-44

3040

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

12304

Females

3096

F40-44

3096

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11973

Females

3060

F40-44

3060

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11166

Females

2725

F40-44

2725

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13817

Females

4316

F40-44

4316

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10632

Females

2703

F40-44

2703

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10857

Females

2809

F40-44

2809

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11297

Females

3158

F40-44

3158

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11267

Females

3229

F40-44

3229

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11170

Females

3240

F40-44

3240

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7334

Females

1578

F40-44

1578

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9461

Females

2466

F40-44

2466

Passing Analysis

Category:
Athletes Passed
3553
Passed By
498
Net Change
+3055
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15364
5K → 10K76983+686#15364#14678
10K → 15K36371+292#14678#14386
15K → 20K58814+574#14386#13812
20K → Half902+88#13812#13724
Half → 25K32223+299#13724#13425
25K → 30K47227+445#13425#12980
30K → 20M75129-54#12980#13034
20M → 21M20412+192#13034#12842
21M → 35K10915+94#12842#12748
35K → 23M13332+101#12748#12647
23M → 24M10840+68#12647#12579
24M → 40K7825+53#12579#12526
40K → 25.2M944+90#12526#12436
25.2M → Finish14821+127#12436#12309
TOTALS3553498+3055
📊

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