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BOSTON MARATHON 2023

Stephanie Dagley

Bib: 20632•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
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
26:22
Rank: #17487
Start → 5K
26:22 | 8:29/mi
10K· 6.21 mi
52:28
Rank: #17503 (-16)
5K → 10K
26:06 | 8:24/mi
15K· 9.32 mi
1:18:53
Rank: #17622 (-119)
10K → 15K
26:25 | 8:30/mi
20K· 12.43 mi
1:48:26
Rank: #18925 (-1303)
15K → 20K
29:33 | 9:31/mi
Half· 13.11 mi
1:54:16
Rank: #18888 (+37)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:16:02
Rank: #18880 (+8)
Half → 25K
21:46 | 8:59/mi
30K· 18.64 mi
2:44:50
Rank: #18804 (+76)
25K → 30K
28:48 | 9:16/mi
20M
2:57:32
Rank: #18768 (+36)
30K → 20M
12:42 | 9:21/mi
21M
3:07:28
Rank: #18683 (+85)
20M → 21M
9:56 | 9:56/mi
35K· 21.75 mi
3:14:12
Rank: #18642 (+41)
21M → 35K
6:44 | 9:00/mi
23M
3:25:55
Rank: #18583 (+59)
35K → 23M
11:43 | 9:21/mi
24M
3:35:25
Rank: #18631 (-48)
23M → 24M
9:30 | 9:30/mi
40K· 24.85 mi
3:43:00
Rank: #18506 (+125)
24M → 40K
7:35 | 8:52/mi
25.2M
3:46:17
Rank: #18461 (+45)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:54:53
Rank: #18351 (+110)
25.2M → Finish
8:36 | 8:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:16
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:00:37
Pace9:12 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0326:228:2926:22
8:29
-
10K
6.21 mi11:45:0952:288:2726:06
8:24
-0:05
15K
9.32 mi12:11:341:18:538:2826:25
8:30
+0:06
20K
12.43 mi12:41:071:48:268:4429:33
9:31
+1:01
Half
13.11 mi12:46:571:54:168:435:50
8:33
-0:58
25K
15.53 mi13:08:432:16:028:4521:46
8:59
+0:26
30K
18.64 mi13:37:312:44:508:5128:48
9:16
+0:17
20M
20.00 mi13:50:132:57:328:5312:42
9:21
+0:05
21M
21.00 mi14:00:093:07:288:569:56
9:56
+0:35
35K
21.75 mi14:06:533:14:128:566:44
9:00
-0:56
23M
23.00 mi14:18:363:25:558:5711:43
9:21
+0:21
24M
24.00 mi14:28:063:35:258:599:30
9:30
+0:09
40K
24.85 mi14:35:413:43:008:587:35
8:52
-0:38
25.2M
25.20 mi14:38:583:46:178:593:17
9:31
+0:39
Finish
26.22 mi14:47:343:54:538:588:36
8:26
-1:05

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

8:24 /mi

Average Pace

8:58 /mi

Slowest Pace

9:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:24

55% of race

Time at Steady Pace

1:35:33

41% of race

Time at Slower Pace

9:56

4% of race

Average Pace: 8:57 /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 mi11:19:0326:228:2926:22
8:29
#17487
10K
6.21 mi11:45:0952:288:2726:06
8:24
#17503
15K
9.32 mi12:11:341:18:538:2826:25
8:30
#17622
20K
12.43 mi12:41:071:48:268:4429:33
9:31
#18925
Half
13.11 mi12:46:571:54:168:435:50
8:33
#18888
25K
15.53 mi13:08:432:16:028:4521:46
8:59
#18880
30K
18.64 mi13:37:312:44:508:5128:48
9:16
#18804
20M
20.00 mi13:50:132:57:328:5312:42
9:21
#18768
21M
21.00 mi14:00:093:07:288:569:56
9:56
#18683
35K
21.75 mi14:06:533:14:128:566:44
9:00
#18642
23M
23.00 mi14:18:363:25:558:5711:43
9:21
#18583
24M
24.00 mi14:28:063:35:258:599:30
9:30
#18631
40K
24.85 mi14:35:413:43:008:587:35
8:52
#18506
25.2M
25.20 mi14:38:583:46:178:593:17
9:31
#18461
Finish
26.22 mi14:47:343:54:538:588:36
8:26
#18351
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi174876247624717840(Top 67%)6409(Top 56%)6409(Top 353%)
10K6.21 mi3.10 mi17503-166228+196228+1917600(Top 66%)6244(Top 55%)6244(Top 344%)
15K9.32 mi3.11 mi17622-1196288-606288-6017840(Top 67%)6409(Top 56%)6409(Top 353%)
20K12.43 mi3.11 mi18925-13037080-7927080-79221594(Top 81%)8570(Top 75%)8570(Top 472%)
Half13.11 mi0.68 mi18888+377053+277053+2718065(Top 68%)6529(Top 57%)6529(Top 359%)
25K15.53 mi2.42 mi18880+87051+27051+218848(Top 71%)7042(Top 62%)7042(Top 388%)
30K18.64 mi3.11 mi18804+767032+197032+1918487(Top 69%)6911(Top 61%)6911(Top 380%)
20M20.00 mi1.36 mi18768+367018+147018+1418229(Top 68%)6866(Top 60%)6866(Top 378%)
21M21.00 mi1.00 mi18683+856977+416977+4117807(Top 67%)6646(Top 58%)6646(Top 366%)
35K21.75 mi0.75 mi18642+416954+236954+2317933(Top 67%)6801(Top 60%)6801(Top 374%)
23M23.00 mi1.25 mi18583+596939+156939+1517772(Top 67%)6733(Top 59%)6733(Top 371%)
24M24.00 mi1.00 mi18631-486983-446983-4419219(Top 72%)7568(Top 66%)7568(Top 417%)
40K24.85 mi0.85 mi18506+1256919+646919+6415496(Top 58%)5590(Top 49%)5590(Top 308%)
25.2M25.20 mi0.35 mi18461+456903+166903+1615381(Top 58%)5542(Top 49%)5542(Top 305%)
Finish26.22 mi1.02 mi18351+1106849+546849+5415064(Top 57%)5299(Top 46%)5299(Top 292%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17840

Females

6409

F45-49

6409

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17600

Females

6244

F45-49

6244

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17840

Females

6409

F45-49

6409

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

21594

Females

8570

F45-49

8570

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18065

Females

6529

F45-49

6529

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18848

Females

7042

F45-49

7042

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18487

Females

6911

F45-49

6911

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18229

Females

6866

F45-49

6866

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17807

Females

6646

F45-49

6646

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

17933

Females

6801

F45-49

6801

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

17772

Females

6733

F45-49

6733

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

19219

Females

7568

F45-49

7568

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15496

Females

5590

F45-49

5590

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15381

Females

5542

F45-49

5542

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15064

Females

5299

F45-49

5299

Passing Analysis

Category:
Athletes Passed
1577
Passed By
2441
Net Change
-864
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17487
5K → 10K300316-16#17487#17503
10K → 15K141260-119#17503#17622
15K → 20K191322-1303#17622#18925
20K → Half5619+37#18925#18888
Half → 25K125117+8#18888#18880
25K → 30K194118+76#18880#18804
30K → 20M10468+36#18804#18768
20M → 21M12641+85#18768#18683
21M → 35K6221+41#18683#18642
35K → 23M10748+59#18642#18583
23M → 24M3886-48#18583#18631
24M → 40K1349+125#18631#18506
40K → 25.2M483+45#18506#18461
25.2M → Finish12313+110#18461#18351
TOTALS15772441-864
📊

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