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BOSTON MARATHON 2023

Margie Prescott

Bib: 21428•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 43%
Masters (Masters Women)
#0 / 6539
Top 31%
Division (F60-64)
#0 / 527
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:46
Rank: #16104
Start → 5K
8:18/mi
25:46 split
10K· 6.21 mi
51:18
Rank: #16216 (-112)
5K → 10K
8:13/mi
25:32 split
15K· 9.32 mi
1:17:06
Rank: #16314 (-98)
10K → 15K
8:18/mi
25:48 split
20K· 12.43 mi
1:43:02
Rank: #16208 (+106)
15K → 20K
8:21/mi
25:56 split
Half· 13.11 mi
1:48:40
Rank: #16203 (+5)
20K → Half
8:15/mi
5:38 split
25K· 15.53 mi
2:08:55
Rank: #16023 (+180)
Half → 25K
8:21/mi
20:15 split
30K· 18.64 mi
2:35:36
Rank: #15797 (+226)
25K → 30K
8:35/mi
26:41 split
20M
2:47:20
Rank: #15658 (+139)
30K → 20M
8:38/mi
11:44 split
21M
2:56:23
Rank: #15535 (+123)
20M → 21M
9:03/mi
9:03 split
35K· 21.75 mi
3:02:30
Rank: #15436 (+99)
21M → 35K
8:11/mi
6:07 split
23M
3:13:16
Rank: #15309 (+127)
35K → 23M
8:36/mi
10:46 split
24M
3:21:36
Rank: #15209 (+100)
23M → 24M
8:20/mi
8:20 split
40K· 24.85 mi
3:28:53
Rank: #15142 (+67)
24M → 40K
8:31/mi
7:17 split
25.2M
3:32:01
Rank: #15086 (+56)
40K → 25.2M
9:05/mi
3:08 split
Finish· 26.22 mi
3:40:05
Rank: #14971 (+115)
25.2M → Finish
7:55/mi
8:04 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:40
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:51:25
Pace8:30 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:2925:468:1825:46
8:18
-
10K
6.21 mi11:45:0151:188:1525:32
8:13
-0:05
15K
9.32 mi12:10:491:17:068:1625:48
8:18
+0:05
20K
12.43 mi12:36:451:43:028:1725:56
8:21
+0:03
Half
13.11 mi12:42:231:48:408:175:38
8:15
-0:06
25K
15.53 mi13:02:382:08:558:1820:15
8:21
+0:06
30K
18.64 mi13:29:192:35:368:2126:41
8:35
+0:14
20M
20.00 mi13:41:032:47:208:2211:44
8:38
+0:03
21M
21.00 mi13:50:062:56:238:249:03
9:03
+0:25
35K
21.75 mi13:56:133:02:308:236:07
8:11
-0:52
23M
23.00 mi14:06:593:13:168:2410:46
8:36
+0:25
24M
24.00 mi14:15:193:21:368:248:20
8:20
-0:16
40K
24.85 mi14:22:363:28:538:247:17
8:31
+0:11
25.2M
25.20 mi14:25:443:32:018:253:08
9:05
+0:34
Finish
26.22 mi14:33:483:40:058:248:04
7:55
-1:10

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

7:55 /mi

Average Pace

8:24 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:54

94% of race

Time at Steady Pace

12:11

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:24 /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 mi11:19:2925:468:1825:46
8:18
#16104
10K
6.21 mi11:45:0151:188:1525:32
8:13
#16216
15K
9.32 mi12:10:491:17:068:1625:48
8:18
#16314
20K
12.43 mi12:36:451:43:028:1725:56
8:21
#16208
Half
13.11 mi12:42:231:48:408:175:38
8:15
#16203
25K
15.53 mi13:02:382:08:558:1820:15
8:21
#16023
30K
18.64 mi13:29:192:35:368:2126:41
8:35
#15797
20M
20.00 mi13:41:032:47:208:2211:44
8:38
#15658
21M
21.00 mi13:50:062:56:238:249:03
9:03
#15535
35K
21.75 mi13:56:133:02:308:236:07
8:11
#15436
23M
23.00 mi14:06:593:13:168:2410:46
8:36
#15309
24M
24.00 mi14:15:193:21:368:248:20
8:20
#15209
40K
24.85 mi14:22:363:28:538:247:17
8:31
#15142
25.2M
25.20 mi14:25:443:32:018:253:08
9:05
#15086
Finish
26.22 mi14:33:483:40:058:248:04
7:55
#14971
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi161045348534816564(Top 62%)5636(Top 49%)5636(Top 1069%)
10K6.21 mi3.10 mi16216-1125403-555403-5516397(Top 62%)5509(Top 48%)5509(Top 1045%)
15K9.32 mi3.11 mi16314-985475-725475-7216564(Top 62%)5636(Top 49%)5636(Top 1069%)
20K12.43 mi3.11 mi16208+1065428+475428+4715928(Top 60%)5303(Top 46%)5303(Top 1006%)
Half13.11 mi0.68 mi16203+55430-25430-216220(Top 61%)5421(Top 47%)5421(Top 1029%)
25K15.53 mi2.42 mi16023+1805352+785352+7815279(Top 57%)5003(Top 44%)5003(Top 949%)
30K18.64 mi3.11 mi15797+2265250+1025250+10214861(Top 56%)4852(Top 42%)4852(Top 921%)
20M20.00 mi1.36 mi15658+1395186+645186+6414506(Top 54%)4708(Top 41%)4708(Top 893%)
21M21.00 mi1.00 mi15535+1235136+505136+5013716(Top 52%)4340(Top 38%)4340(Top 824%)
35K21.75 mi0.75 mi15436+995093+435093+4313327(Top 50%)4189(Top 37%)4189(Top 795%)
23M23.00 mi1.25 mi15309+1275035+585035+5813811(Top 52%)4516(Top 40%)4516(Top 857%)
24M24.00 mi1.00 mi15209+1004983+524983+5213471(Top 51%)4381(Top 38%)4381(Top 831%)
40K24.85 mi0.85 mi15142+674960+234960+2313503(Top 51%)4480(Top 39%)4480(Top 850%)
25.2M25.20 mi0.35 mi15086+564934+264934+2613085(Top 49%)4283(Top 37%)4283(Top 813%)
Finish26.22 mi1.02 mi14971+1154893+414893+4111555(Top 43%)3485(Top 31%)3485(Top 661%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16564

Females

5636

F60-64

5636

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16397

Females

5509

F60-64

5509

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16564

Females

5636

F60-64

5636

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15928

Females

5303

F60-64

5303

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16220

Females

5421

F60-64

5421

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15279

Females

5003

F60-64

5003

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14861

Females

4852

F60-64

4852

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14506

Females

4708

F60-64

4708

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13716

Females

4340

F60-64

4340

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

13327

Females

4189

F60-64

4189

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13811

Females

4516

F60-64

4516

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13471

Females

4381

F60-64

4381

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13503

Females

4480

F60-64

4480

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13085

Females

4283

F60-64

4283

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11555

Females

3485

F60-64

3485

Passing Analysis

Category:
Athletes Passed
2164
Passed By
1031
Net Change
+1133
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16104
5K → 10K248360-112#16104#16216
10K → 15K152250-98#16216#16314
15K → 20K221115+106#16314#16208
20K → Half4843+5#16208#16203
Half → 25K22444+180#16203#16023
25K → 30K30074+226#16023#15797
30K → 20M15617+139#15797#15658
20M → 21M15128+123#15658#15535
21M → 35K1067+99#15535#15436
35K → 23M15326+127#15436#15309
23M → 24M12020+100#15309#15209
24M → 40K9326+67#15209#15142
40K → 25.2M648+56#15142#15086
25.2M → Finish12813+115#15086#14971
TOTALS21641031+1133
📊

Passing Visuals

Category:
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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