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BOSTON MARATHON 2023

Stephanie Young

Bib: 20181•F

PA

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 (F55-59)
#0 / 815
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:36
Rank: #15738
Start → 5K
25:36 | 8:14/mi
10K· 6.21 mi
51:55
Rank: #16899 (-1161)
5K → 10K
26:19 | 8:28/mi
15K· 9.32 mi
1:17:28
Rank: #16595 (+304)
10K → 15K
25:33 | 8:13/mi
20K· 12.43 mi
1:42:56
Rank: #16137 (+458)
15K → 20K
25:28 | 8:12/mi
Half· 13.11 mi
1:48:25
Rank: #16060 (+77)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:08:14
Rank: #15723 (+337)
Half → 25K
19:49 | 8:10/mi
30K· 18.64 mi
2:36:50
Rank: #16238 (-515)
25K → 30K
28:36 | 9:12/mi
20M
2:49:32
Rank: #16390 (-152)
30K → 20M
12:42 | 9:21/mi
21M
2:59:56
Rank: #16606 (-216)
20M → 21M
10:24 | 10:24/mi
35K· 21.75 mi
3:07:12
Rank: #16804 (-198)
21M → 35K
7:16 | 9:43/mi
23M
3:19:36
Rank: #17039 (-235)
35K → 23M
12:24 | 9:54/mi
24M
3:29:06
Rank: #17169 (-130)
23M → 24M
9:30 | 9:30/mi
40K· 24.85 mi
3:37:18
Rank: #17245 (-76)
24M → 40K
8:12 | 9:35/mi
25.2M
3:40:50
Rank: #17288 (-43)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:49:18
Rank: #17188 (+100)
25.2M → Finish
8:28 | 8:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:25
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time2:00:53
Pace9:13 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2425:368:1425:36
8:14
-
10K
6.21 mi11:46:4351:558:2126:19
8:28
+0:14
15K
9.32 mi12:12:161:17:288:1925:33
8:13
-0:15
20K
12.43 mi12:37:441:42:568:1725:28
8:12
-0:01
Half
13.11 mi12:43:131:48:258:165:29
8:02
-0:10
25K
15.53 mi13:03:022:08:148:1519:49
8:10
+0:08
30K
18.64 mi13:31:382:36:508:2528:36
9:12
+1:02
20M
20.00 mi13:44:202:49:328:2912:42
9:21
+0:09
21M
21.00 mi13:54:442:59:568:3410:24
10:24
+1:03
35K
21.75 mi14:02:003:07:128:367:16
9:43
-0:41
23M
23.00 mi14:14:243:19:368:4112:24
9:54
+0:11
24M
24.00 mi14:23:543:29:068:439:30
9:30
-0:24
40K
24.85 mi14:32:063:37:188:458:12
9:35
+0:05
25.2M
25.20 mi14:35:383:40:508:463:32
10:15
+0:40
Finish
26.22 mi14:44:063:49:188:458:28
8:19
-1:56

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

8:02 /mi

Average Pace

8:45 /mi

Slowest Pace

10:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:42

60% of race

Time at Steady Pace

59:00

26% of race

Time at Slower Pace

33:36

15% of race

Average Pace: 8:45 /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 mi11:20:2425:368:1425:36
8:14
#15738
10K
6.21 mi11:46:4351:558:2126:19
8:28
#16899
15K
9.32 mi12:12:161:17:288:1925:33
8:13
#16595
20K
12.43 mi12:37:441:42:568:1725:28
8:12
#16137
Half
13.11 mi12:43:131:48:258:165:29
8:02
#16060
25K
15.53 mi13:03:022:08:148:1519:49
8:10
#15723
30K
18.64 mi13:31:382:36:508:2528:36
9:12
#16238
20M
20.00 mi13:44:202:49:328:2912:42
9:21
#16390
21M
21.00 mi13:54:442:59:568:3410:24
10:24
#16606
35K
21.75 mi14:02:003:07:128:367:16
9:43
#16804
23M
23.00 mi14:14:243:19:368:4112:24
9:54
#17039
24M
24.00 mi14:23:543:29:068:439:30
9:30
#17169
40K
24.85 mi14:32:063:37:188:458:12
9:35
#17245
25.2M
25.20 mi14:35:383:40:508:463:32
10:15
#17288
Finish
26.22 mi14:44:063:49:188:458:28
8:19
#17188
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi157385118511816041(Top 60%)5322(Top 47%)5322(Top 653%)
10K6.21 mi3.10 mi16899-11615843-7255843-72518070(Top 68%)6518(Top 57%)6518(Top 800%)
15K9.32 mi3.11 mi16595+3045664+1795664+17916041(Top 60%)5322(Top 47%)5322(Top 653%)
20K12.43 mi3.11 mi16137+4585388+2765388+27614954(Top 56%)4689(Top 41%)4689(Top 575%)
Half13.11 mi0.68 mi16060+775347+415347+4114759(Top 55%)4555(Top 40%)4555(Top 559%)
25K15.53 mi2.42 mi15723+3375165+1825165+18214073(Top 53%)4276(Top 37%)4276(Top 525%)
30K18.64 mi3.11 mi16238-5155527-3625527-36218194(Top 68%)6759(Top 59%)6759(Top 829%)
20M20.00 mi1.36 mi16390-1525640-1135640-11318222(Top 68%)6859(Top 60%)6859(Top 842%)
21M21.00 mi1.00 mi16606-2165765-1255765-12519274(Top 72%)7498(Top 66%)7498(Top 920%)
35K21.75 mi0.75 mi16804-1985880-1155880-11520512(Top 77%)8223(Top 72%)8223(Top 1009%)
23M23.00 mi1.25 mi17039-2356047-1676047-16719701(Top 74%)7797(Top 68%)7797(Top 957%)
24M24.00 mi1.00 mi17169-1306137-906137-9019210(Top 72%)7559(Top 66%)7559(Top 927%)
40K24.85 mi0.85 mi17245-766196-596196-5918659(Top 70%)7300(Top 64%)7300(Top 896%)
25.2M25.20 mi0.35 mi17288-436230-346230-3418296(Top 69%)7105(Top 62%)7105(Top 872%)
Finish26.22 mi1.02 mi17188+1006177+536177+5314195(Top 53%)4856(Top 43%)4856(Top 596%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

16041

Females

5322

F55-59

5322

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18070

Females

6518

F55-59

6518

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

16041

Females

5322

F55-59

5322

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14954

Females

4689

F55-59

4689

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14759

Females

4555

F55-59

4555

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14073

Females

4276

F55-59

4276

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

18194

Females

6759

F55-59

6759

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18222

Females

6859

F55-59

6859

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19274

Females

7498

F55-59

7498

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20512

Females

8223

F55-59

8223

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

19701

Females

7797

F55-59

7797

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19210

Females

7559

F55-59

7559

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18659

Females

7300

F55-59

7300

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18296

Females

7105

F55-59

7105

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14195

Females

4856

F55-59

4856

Passing Analysis

Category:
Athletes Passed
1737
Passed By
3187
Net Change
-1450
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15738
5K → 10K371198-1161#15738#16899
10K → 15K38884+304#16899#16595
15K → 20K47820+458#16595#16137
20K → Half847+77#16137#16060
Half → 25K35013+337#16060#15723
25K → 30K74589-515#15723#16238
30K → 20M46198-152#16238#16390
20M → 21M32248-216#16390#16606
21M → 35K12210-198#16606#16804
35K → 23M30265-235#16804#17039
23M → 24M28158-130#17039#17169
24M → 40K45121-76#17169#17245
40K → 25.2M1154-43#17245#17288
25.2M → Finish12222+100#17288#17188
TOTALS17373187-1450
📊

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