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BOSTON MARATHON 2023

Erin Woodbury

Bib: 25599•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
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
29:23
Rank: #21976
Start → 5K
29:23 | 9:27/mi
10K· 6.21 mi
56:56
Rank: #21292 (+684)
5K → 10K
27:33 | 8:52/mi
15K· 9.32 mi
1:25:40
Rank: #21335 (-43)
10K → 15K
28:44 | 9:15/mi
20K· 12.43 mi
1:54:50
Rank: #21316 (+19)
15K → 20K
29:10 | 9:23/mi
Half· 13.11 mi
2:01:13
Rank: #21330 (-14)
20K → Half
6:23 | 9:21/mi
25K· 15.53 mi
2:24:43
Rank: #21332 (-2)
Half → 25K
23:30 | 9:42/mi
30K· 18.64 mi
2:57:48
Rank: #21591 (-259)
25K → 30K
33:05 | 10:39/mi
20M
3:12:27
Rank: #21645 (-54)
30K → 20M
14:39 | 10:47/mi
21M
3:23:53
Rank: #21682 (-37)
20M → 21M
11:26 | 11:26/mi
35K· 21.75 mi
3:31:24
Rank: #21681 (+1)
21M → 35K
7:31 | 10:03/mi
23M
3:44:45
Rank: #21659 (+22)
35K → 23M
13:21 | 10:40/mi
24M
3:55:24
Rank: #21708 (-49)
23M → 24M
10:39 | 10:39/mi
40K· 24.85 mi
4:05:00
Rank: #21753 (-45)
24M → 40K
9:36 | 11:14/mi
25.2M
4:09:06
Rank: #21764 (-11)
40K → 25.2M
4:06 | 11:53/mi
Finish· 26.22 mi
4:19:37
Rank: #21800 (-36)
25.2M → Finish
10:31 | 10:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:13
Pace9:15 /mi
2nd Half
Distance13.11 mi
Time2:18:24
Pace10:33 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4329:239:2729:23
9:27
-
10K
6.21 mi12:13:1656:569:1027:33
8:52
-0:35
15K
9.32 mi12:42:001:25:409:1128:44
9:15
+0:23
20K
12.43 mi13:11:101:54:509:1429:10
9:23
+0:08
Half
13.11 mi13:17:332:01:139:156:23
9:21
-0:02
25K
15.53 mi13:41:032:24:439:1923:30
9:42
+0:21
30K
18.64 mi14:14:082:57:489:3233:05
10:39
+0:57
20M
20.00 mi14:28:473:12:279:3714:39
10:47
+0:08
21M
21.00 mi14:40:133:23:539:4311:26
11:26
+0:39
35K
21.75 mi14:47:443:31:249:437:31
10:03
-1:23
23M
23.00 mi15:01:053:44:459:4613:21
10:40
+0:37
24M
24.00 mi15:11:443:55:249:4910:39
10:39
-0:01
40K
24.85 mi15:21:204:05:009:519:36
11:14
+0:35
25.2M
25.20 mi15:25:264:09:069:534:06
11:53
+0:39
Finish
26.22 mi15:35:574:19:379:5510:31
10:19
-1:34

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

8:52 /mi

Average Pace

9:55 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:43

56% of race

Time at Steady Pace

1:15:07

29% of race

Time at Slower Pace

39:47

15% of race

Average Pace: 9:54 /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 mi11:45:4329:239:2729:23
9:27
#21976
10K
6.21 mi12:13:1656:569:1027:33
8:52
#21292
15K
9.32 mi12:42:001:25:409:1128:44
9:15
#21335
20K
12.43 mi13:11:101:54:509:1429:10
9:23
#21316
Half
13.11 mi13:17:332:01:139:156:23
9:21
#21330
25K
15.53 mi13:41:032:24:439:1923:30
9:42
#21332
30K
18.64 mi14:14:082:57:489:3233:05
10:39
#21591
20M
20.00 mi14:28:473:12:279:3714:39
10:47
#21645
21M
21.00 mi14:40:133:23:539:4311:26
11:26
#21682
35K
21.75 mi14:47:443:31:249:437:31
10:03
#21681
23M
23.00 mi15:01:053:44:459:4613:21
10:40
#21659
24M
24.00 mi15:11:443:55:249:4910:39
10:39
#21708
40K
24.85 mi15:21:204:05:009:519:36
11:14
#21753
25.2M
25.20 mi15:25:264:09:069:534:06
11:53
#21764
Finish
26.22 mi15:35:574:19:379:5510:31
10:19
#21800
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi219768869886921480(Top 81%)8489(Top 74%)8489(Top 452%)
10K6.21 mi3.10 mi21292+6848474+3958474+39520286(Top 76%)7867(Top 69%)7867(Top 419%)
15K9.32 mi3.11 mi21335-438465+98465+921480(Top 81%)8489(Top 74%)8489(Top 452%)
20K12.43 mi3.11 mi21316+198441+248441+2421225(Top 80%)8357(Top 73%)8357(Top 445%)
Half13.11 mi0.68 mi21330-148450-98450-921721(Top 82%)8646(Top 76%)8646(Top 460%)
25K15.53 mi2.42 mi21332-28448+28448+221436(Top 81%)8528(Top 75%)8528(Top 454%)
30K18.64 mi3.11 mi21591-2598610-1628610-16222508(Top 85%)9189(Top 80%)9189(Top 489%)
20M20.00 mi1.36 mi21645-548647-378647-3722310(Top 84%)9146(Top 80%)9146(Top 487%)
21M21.00 mi1.00 mi21682-378677-308677-3021769(Top 82%)8868(Top 78%)8868(Top 472%)
35K21.75 mi0.75 mi21681+18686-98686-921427(Top 80%)8731(Top 76%)8731(Top 465%)
23M23.00 mi1.25 mi21659+228693-78693-721684(Top 81%)8897(Top 78%)8897(Top 474%)
24M24.00 mi1.00 mi21708-498732-398732-3922352(Top 84%)9289(Top 81%)9289(Top 495%)
40K24.85 mi0.85 mi21753-458765-338765-3322785(Top 86%)9543(Top 84%)9543(Top 508%)
25.2M25.20 mi0.35 mi21764-118776-118776-1122310(Top 84%)9288(Top 81%)9288(Top 495%)
Finish26.22 mi1.02 mi21800-368795-198795-1922612(Top 85%)9449(Top 83%)9449(Top 503%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

21480

Females

8489

F40-44

8489

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20286

Females

7867

F40-44

7867

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

21480

Females

8489

F40-44

8489

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21225

Females

8357

F40-44

8357

20K→Half

12.4 - 13.1 mi

Top 82%
×2stories
+19ft-37ft

Overall

21721

Females

8646

F40-44

8646

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21436

Females

8528

F40-44

8528

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22508

Females

9189

F40-44

9189

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22310

Females

9146

F40-44

9146

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21769

Females

8868

F40-44

8868

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21427

Females

8731

F40-44

8731

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

21684

Females

8897

F40-44

8897

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22352

Females

9289

F40-44

9289

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22785

Females

9543

F40-44

9543

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22310

Females

9288

F40-44

9288

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

22612

Females

9449

F40-44

9449

Passing Analysis

Category:
Athletes Passed
1492
Passed By
1316
Net Change
+176
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21976
5K → 10K73652+684#21976#21292
10K → 15K138181-43#21292#21335
15K → 20K155136+19#21335#21316
20K → Half2135-14#21316#21330
Half → 25K105107-2#21330#21332
25K → 30K61320-259#21332#21591
30K → 20M4195-54#21591#21645
20M → 21M4380-37#21645#21682
21M → 35K3736+1#21682#21681
35K → 23M7553+22#21681#21659
23M → 24M2574-49#21659#21708
24M → 40K2570-45#21708#21753
40K → 25.2M1627-11#21753#21764
25.2M → Finish1450-36#21764#21800
TOTALS14921316+176
📊

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