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BOSTON MARATHON 2023

Erin Young

Bib: 19957•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 40%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:26
Rank: #17609
Start → 5K
26:26 | 8:30/mi
10K· 6.21 mi
53:32
Rank: #18606 (-997)
5K → 10K
27:06 | 8:43/mi
15K· 9.32 mi
1:20:12
Rank: #18499 (+107)
10K → 15K
26:40 | 8:35/mi
20K· 12.43 mi
1:48:47
Rank: #19080 (-581)
15K → 20K
28:35 | 9:12/mi
Half· 13.11 mi
1:54:36
Rank: #19037 (+43)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:15:19
Rank: #18633 (+404)
Half → 25K
20:43 | 8:33/mi
30K· 18.64 mi
2:42:13
Rank: #17991 (+642)
25K → 30K
26:54 | 8:39/mi
20M
2:53:46
Rank: #17653 (+338)
30K → 20M
11:33 | 8:30/mi
21M
3:02:51
Rank: #17426 (+227)
20M → 21M
9:05 | 9:05/mi
35K· 21.75 mi
3:09:05
Rank: #17301 (+125)
21M → 35K
6:14 | 8:20/mi
23M
3:19:23
Rank: #16981 (+320)
35K → 23M
10:18 | 8:14/mi
24M
3:27:27
Rank: #16772 (+209)
23M → 24M
8:04 | 8:04/mi
40K· 24.85 mi
3:34:27
Rank: #16576 (+196)
24M → 40K
7:00 | 8:11/mi
25.2M
3:37:41
Rank: #16536 (+40)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:46:17
Rank: #16461 (+75)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:54:36
Pace8:44 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:51:41
Pace8:31 /mi
📊Negative Split: 2.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5726:268:3026:26
8:30
-
10K
6.21 mi11:45:0353:328:3727:06
8:43
+0:13
15K
9.32 mi12:11:431:20:128:3626:40
8:35
-0:08
20K
12.43 mi12:40:181:48:478:4528:35
9:12
+0:37
Half
13.11 mi12:46:071:54:368:445:49
8:32
-0:40
25K
15.53 mi13:06:502:15:198:4320:43
8:33
+0:01
30K
18.64 mi13:33:442:42:138:4226:54
8:39
+0:06
20M
20.00 mi13:45:172:53:468:4111:33
8:30
-0:09
21M
21.00 mi13:54:223:02:518:429:05
9:05
+0:35
35K
21.75 mi14:00:363:09:058:426:14
8:20
-0:45
23M
23.00 mi14:10:543:19:238:4010:18
8:14
-0:06
24M
24.00 mi14:18:583:27:278:398:04
8:04
-0:10
40K
24.85 mi14:25:583:34:278:387:00
8:11
+0:07
25.2M
25.20 mi14:29:123:37:418:383:14
9:23
+1:12
Finish
26.22 mi14:37:483:46:178:388:36
8:26
-0:57

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

8:04 /mi

Average Pace

8:38 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:23

82% of race

Time at Steady Pace

40:54

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:38 /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 mi11:17:5726:268:3026:26
8:30
#17609
10K
6.21 mi11:45:0353:328:3727:06
8:43
#18606
15K
9.32 mi12:11:431:20:128:3626:40
8:35
#18499
20K
12.43 mi12:40:181:48:478:4528:35
9:12
#19080
Half
13.11 mi12:46:071:54:368:445:49
8:32
#19037
25K
15.53 mi13:06:502:15:198:4320:43
8:33
#18633
30K
18.64 mi13:33:442:42:138:4226:54
8:39
#17991
20M
20.00 mi13:45:172:53:468:4111:33
8:30
#17653
21M
21.00 mi13:54:223:02:518:429:05
9:05
#17426
35K
21.75 mi14:00:363:09:058:426:14
8:20
#17301
23M
23.00 mi14:10:543:19:238:4010:18
8:14
#16981
24M
24.00 mi14:18:583:27:278:398:04
8:04
#16772
40K
24.85 mi14:25:583:34:278:387:00
8:11
#16576
25.2M
25.20 mi14:29:123:37:418:383:14
9:23
#16536
Finish
26.22 mi14:37:483:46:178:388:36
8:26
#16461
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi176096322632218334(Top 69%)6693(Top 59%)6693(Top 356%)
10K6.21 mi3.10 mi18606-9976884-5626884-56219554(Top 73%)7421(Top 65%)7421(Top 395%)
15K9.32 mi3.11 mi18499+1076815+696815+6918334(Top 69%)6693(Top 59%)6693(Top 356%)
20K12.43 mi3.11 mi19080-5817163-3487163-34820577(Top 77%)7992(Top 70%)7992(Top 426%)
Half13.11 mi0.68 mi19037+437144+197144+1917853(Top 67%)6382(Top 56%)6382(Top 340%)
25K15.53 mi2.42 mi18633+4046912+2326912+23216473(Top 62%)5706(Top 50%)5706(Top 304%)
30K18.64 mi3.11 mi17991+6426558+3546558+35415286(Top 57%)5111(Top 45%)5111(Top 272%)
20M20.00 mi1.36 mi17653+3386360+1986360+19813665(Top 51%)4225(Top 37%)4225(Top 225%)
21M21.00 mi1.00 mi17426+2276246+1146246+11413927(Top 52%)4460(Top 39%)4460(Top 237%)
35K21.75 mi0.75 mi17301+1256183+636183+6314355(Top 54%)4772(Top 42%)4772(Top 254%)
23M23.00 mi1.25 mi16981+3206013+1706013+17011420(Top 43%)3235(Top 28%)3235(Top 172%)
24M24.00 mi1.00 mi16772+2095907+1065907+10611761(Top 44%)3480(Top 30%)3480(Top 185%)
40K24.85 mi0.85 mi16576+1965811+965811+9611336(Top 43%)3345(Top 29%)3345(Top 178%)
25.2M25.20 mi0.35 mi16536+405794+175794+1714647(Top 55%)5113(Top 45%)5113(Top 272%)
Finish26.22 mi1.02 mi16461+755764+305764+3015045(Top 57%)5280(Top 46%)5280(Top 281%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18334

Females

6693

F40-44

6693

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19554

Females

7421

F40-44

7421

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18334

Females

6693

F40-44

6693

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20577

Females

7992

F40-44

7992

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17853

Females

6382

F40-44

6382

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16473

Females

5706

F40-44

5706

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15286

Females

5111

F40-44

5111

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13665

Females

4225

F40-44

4225

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13927

Females

4460

F40-44

4460

21M→35K

21.0 - 21.8 mi

Top 54%
×7stories
+17ft-86ft

Overall

14355

Females

4772

F40-44

4772

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

11420

Females

3235

F40-44

3235

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11761

Females

3480

F40-44

3480

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11336

Females

3345

F40-44

3345

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14647

Females

5113

F40-44

5113

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15045

Females

5280

F40-44

5280

Passing Analysis

Category:
Athletes Passed
3034
Passed By
1886
Net Change
+1148
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17609
5K → 10K621059-997#17609#18606
10K → 15K231124+107#18606#18499
15K → 20K35616-581#18499#19080
20K → Half5411+43#19080#19037
Half → 25K4084+404#19037#18633
25K → 30K6519+642#18633#17991
30K → 20M3402+338#17991#17653
20M → 21M23811+227#17653#17426
21M → 35K1327+125#17426#17301
35K → 23M3233+320#17301#16981
23M → 24M2112+209#16981#16772
24M → 40K1971+196#16772#16576
40K → 25.2M5212+40#16576#16536
25.2M → Finish10025+75#16536#16461
TOTALS30341886+1148
📊

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