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BOSTON MARATHON 2023

Dorothy Butler

Bib: 17326•F

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:19
Rank: #17380
Start → 5K
8:28/mi
26:19 split
10K· 6.21 mi
52:40
Rank: #17761 (-381)
5K → 10K
8:29/mi
26:21 split
15K· 9.32 mi
1:20:04
Rank: #18433 (-672)
10K → 15K
8:49/mi
27:24 split
20K· 12.43 mi
1:47:18
Rank: #18410 (+23)
15K → 20K
8:46/mi
27:14 split
Half· 13.11 mi
1:53:08
Rank: #18379 (+31)
20K → Half
8:33/mi
5:50 split
25K· 15.53 mi
2:14:41
Rank: #18404 (-25)
Half → 25K
8:53/mi
21:33 split
30K· 18.64 mi
2:45:50
Rank: #19085 (-681)
25K → 30K
10:02/mi
31:09 split
20M
2:58:06
Rank: #18903 (+182)
30K → 20M
9:02/mi
12:16 split
21M
3:07:50
Rank: #18769 (+134)
20M → 21M
9:44/mi
9:44 split
35K· 21.75 mi
3:14:41
Rank: #18768 (+1)
21M → 35K
9:09/mi
6:51 split
23M
3:26:40
Rank: #18755 (+13)
35K → 23M
9:34/mi
11:59 split
24M
3:36:29
Rank: #18847 (-92)
23M → 24M
9:49/mi
9:49 split
40K· 24.85 mi
3:45:02
Rank: #18930 (-83)
24M → 40K
10:00/mi
8:33 split
25.2M
3:48:41
Rank: #18943 (-13)
40K → 25.2M
10:35/mi
3:39 split
Finish· 26.22 mi
3:57:51
Rank: #18923 (+20)
25.2M → Finish
9:00/mi
9:10 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:08
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time2:04:43
Pace9:31 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5426:198:2826:19
8:28
-
10K
6.21 mi11:47:1552:408:2926:21
8:29
+0:01
15K
9.32 mi12:14:391:20:048:3527:24
8:49
+0:20
20K
12.43 mi12:41:531:47:188:3827:14
8:46
-0:03
Half
13.11 mi12:47:431:53:088:385:50
8:33
-0:13
25K
15.53 mi13:09:162:14:418:4021:33
8:53
+0:20
30K
18.64 mi13:40:252:45:508:5431:09
10:02
+1:09
20M
20.00 mi13:52:412:58:068:5412:16
9:02
-1:00
21M
21.00 mi14:02:253:07:508:579:44
9:44
+0:42
35K
21.75 mi14:09:163:14:418:576:51
9:09
-0:35
23M
23.00 mi14:21:153:26:408:5911:59
9:34
+0:25
24M
24.00 mi14:31:043:36:299:019:49
9:49
+0:15
40K
24.85 mi14:39:373:45:029:038:33
10:00
+0:11
25.2M
25.20 mi14:43:163:48:419:043:39
10:35
+0:35
Finish
26.22 mi14:52:263:57:519:059:10
9:00
-1:35

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

8:28 /mi

Average Pace

9:05 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:30

25% of race

Time at Steady Pace

1:44:28

44% of race

Time at Slower Pace

1:14:53

31% of race

Average Pace: 9:04 /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 mi11:20:5426:198:2826:19
8:28
#17380
10K
6.21 mi11:47:1552:408:2926:21
8:29
#17761
15K
9.32 mi12:14:391:20:048:3527:24
8:49
#18433
20K
12.43 mi12:41:531:47:188:3827:14
8:46
#18410
Half
13.11 mi12:47:431:53:088:385:50
8:33
#18379
25K
15.53 mi13:09:162:14:418:4021:33
8:53
#18404
30K
18.64 mi13:40:252:45:508:5431:09
10:02
#19085
20M
20.00 mi13:52:412:58:068:5412:16
9:02
#18903
21M
21.00 mi14:02:253:07:508:579:44
9:44
#18769
35K
21.75 mi14:09:163:14:418:576:51
9:09
#18768
23M
23.00 mi14:21:153:26:408:5911:59
9:34
#18755
24M
24.00 mi14:31:043:36:299:019:49
9:49
#18847
40K
24.85 mi14:39:373:45:029:038:33
10:00
#18930
25.2M
25.20 mi14:43:163:48:419:043:39
10:35
#18943
Finish
26.22 mi14:52:263:57:519:059:10
9:00
#18923
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi173806185618519630(Top 74%)7461(Top 65%)7461(Top 153%)
10K6.21 mi3.10 mi17761-3816380-1956380-19518153(Top 68%)6565(Top 57%)6565(Top 134%)
15K9.32 mi3.11 mi18433-6726768-3886768-38819630(Top 74%)7461(Top 65%)7461(Top 153%)
20K12.43 mi3.11 mi18410+236758+106758+1018501(Top 69%)6793(Top 59%)6793(Top 139%)
Half13.11 mi0.68 mi18379+316731+276731+2718084(Top 68%)6548(Top 57%)6548(Top 134%)
25K15.53 mi2.42 mi18404-256768-376768-3718412(Top 69%)6798(Top 60%)6798(Top 139%)
30K18.64 mi3.11 mi19085-6817185-4177185-41721100(Top 79%)8399(Top 74%)8399(Top 172%)
20M20.00 mi1.36 mi18903+1827103+827103+8216723(Top 63%)5996(Top 52%)5996(Top 123%)
21M21.00 mi1.00 mi18769+1347035+687035+6817014(Top 64%)6207(Top 54%)6207(Top 127%)
35K21.75 mi0.75 mi18768+17039-47039-418590(Top 70%)7159(Top 63%)7159(Top 147%)
23M23.00 mi1.25 mi18755+137044-57044-518623(Top 70%)7200(Top 63%)7200(Top 147%)
24M24.00 mi1.00 mi18847-927116-727116-7220289(Top 76%)8142(Top 71%)8142(Top 167%)
40K24.85 mi0.85 mi18930-837159-437159-4319972(Top 75%)8048(Top 70%)8048(Top 165%)
25.2M25.20 mi0.35 mi18943-137173-147173-1419379(Top 73%)7713(Top 68%)7713(Top 158%)
Finish26.22 mi1.02 mi18923+207168+57168+517977(Top 68%)6903(Top 60%)6903(Top 141%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

19630

Females

7461

F18-39

7461

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

18153

Females

6565

F18-39

6565

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

19630

Females

7461

F18-39

7461

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

18501

Females

6793

F18-39

6793

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18084

Females

6548

F18-39

6548

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18412

Females

6798

F18-39

6798

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

21100

Females

8399

F18-39

8399

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16723

Females

5996

F18-39

5996

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17014

Females

6207

F18-39

6207

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18590

Females

7159

F18-39

7159

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18623

Females

7200

F18-39

7200

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20289

Females

8142

F18-39

8142

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19972

Females

8048

F18-39

8048

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19379

Females

7713

F18-39

7713

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

17977

Females

6903

F18-39

6903

Passing Analysis

Category:
Athletes Passed
1209
Passed By
2752
Net Change
-1543
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17380
5K → 10K159540-381#17380#17761
10K → 15K40712-672#17761#18433
15K → 20K180157+23#18433#18410
20K → Half4918+31#18410#18379
Half → 25K117142-25#18379#18404
25K → 30K47728-681#18404#19085
30K → 20M19210+182#19085#18903
20M → 21M15824+134#18903#18769
21M → 35K4746+1#18769#18768
35K → 23M8269+13#18768#18755
23M → 24M33125-92#18755#18847
24M → 40K24107-83#18847#18930
40K → 25.2M2134-13#18930#18943
25.2M → Finish6040+20#18943#18923
TOTALS12092752-1543
📊

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