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BOSTON MARATHON 2023

Margaux Dowdle

Bib: 27454•F

MA

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:57/mi
30:56
↑ 97↓ 3451.5%
10K· 6.21 mi
10:01/mi
1:02:02
↑ 79↓ 1380.4%
15K· 9.32 mi
10:18/mi
1:34:01
↑ 67↓ 78
20K· 12.43 mi
10:46/mi
2:07:29
↑ 106↓ 860.1%
Half· 13.11 mi
10:38/mi
2:14:44
↑ 19↓ 370.5%
25K· 15.53 mi
11:38/mi
2:42:56
↑ 66↓ 880.2%
30K· 18.64 mi
12:18/mi
3:21:10
↑ 181↓ 1480.2%
20M
14:14/mi
3:40:30
↑ 64↓ 500.2%
21M
14:04/mi
3:54:34
↑ 106↓ 241.6%
35K· 21.75 mi
11:30/mi
4:03:10
↑ 17↓ 861.7%
23M
11:52/mi
4:18:02
↑ 23↓ 630.6%
24M
12:00/mi
4:30:02
↓ 821.3%
40K· 24.85 mi
12:26/mi
4:40:40
↓ 200.3%
25.2M
14:01/mi
4:45:30
↑ 13↓ 160.2%
Finish· 26.22 mi
11:41/mi
4:57:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:44
Pace10:17 /mi
2nd Half
Distance13.11 mi
Time2:42:40
Pace12:25 /mi
📊Positive Split: 20.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1230:569:5730:56
9:57
-
10K
6.21 mi12:19:181:02:029:5931:06
10:01
+0:04
15K
9.32 mi12:51:171:34:0110:0531:59
10:18
+0:17
20K
12.43 mi13:24:452:07:2910:1533:28
10:46
+0:28
Half
13.11 mi13:32:002:14:4410:177:15
10:38
-0:08
25K
15.53 mi14:00:122:42:5610:2928:12
11:38
+1:00
30K
18.64 mi14:38:263:21:1010:4738:14
12:18
+0:40
20M
20.00 mi14:57:463:40:3011:0119:20
14:14
+1:56
21M
21.00 mi15:11:503:54:3411:1014:04
14:04
-0:10
35K
21.75 mi15:20:264:03:1011:118:36
11:30
-2:34
23M
23.00 mi15:35:184:18:0211:1314:52
11:52
+0:22
24M
24.00 mi15:47:184:30:0211:1512:00
12:00
+0:08
40K
24.85 mi15:57:564:40:4011:1810:38
12:26
+0:26
25.2M
25.20 mi16:02:464:45:3011:204:50
14:01
+1:35
Finish
26.22 mi16:14:404:57:2411:2111:54
11:41
-2:20

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

9:57 /mi

Average Pace

11:21 /mi

Slowest Pace

14:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:44

45% of race

Time at Steady Pace

1:53:48

38% of race

Time at Slower Pace

48:52

16% of race

Average Pace: 11:21 /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 mi11:48:1230:569:5730:56
9:57
#23347
10K
6.21 mi12:19:181:02:029:5931:06
10:01
#23588
15K
9.32 mi12:51:171:34:0110:0531:59
10:18
#23782
20K
12.43 mi13:24:452:07:2910:1533:28
10:46
#23939
Half
13.11 mi13:32:002:14:4410:177:15
10:38
#23958
25K
15.53 mi14:00:122:42:5610:2928:12
11:38
#24145
30K
18.64 mi14:38:263:21:1010:4738:14
12:18
#24344
20M
20.00 mi14:57:463:40:3011:0119:20
14:14
#24571
21M
21.00 mi15:11:503:54:3411:1014:04
14:04
#24648
35K
21.75 mi15:20:264:03:1011:118:36
11:30
#24628
23M
23.00 mi15:35:184:18:0211:1314:52
11:52
#24579
24M
24.00 mi15:47:184:30:0211:1512:00
12:00
#24585
40K
24.85 mi15:57:564:40:4011:1810:38
12:26
#24595
25.2M
25.20 mi16:02:464:45:3011:204:50
14:01
#24615
Finish
26.22 mi16:14:404:57:2411:2111:54
11:41
#24656
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi233479573957324091(Top 90%)9943(Top 87%)9943(Top 204%)
10K6.21 mi3.10 mi23588-2419671-989671-9823707(Top 89%)9735(Top 85%)9735(Top 199%)
15K9.32 mi3.11 mi23782-1949771-1009771-10024091(Top 90%)9943(Top 87%)9943(Top 204%)
20K12.43 mi3.11 mi23939-1579856-859856-8524288(Top 91%)10083(Top 88%)10083(Top 206%)
Half13.11 mi0.68 mi23958-199869-139869-1324438(Top 92%)10176(Top 89%)10176(Top 208%)
25K15.53 mi2.42 mi24145-1879987-1189987-11824832(Top 93%)10417(Top 91%)10417(Top 213%)
30K18.64 mi3.11 mi24344-19910119-13210119-13224811(Top 93%)10462(Top 92%)10462(Top 214%)
20M20.00 mi1.36 mi24571-22710252-13310252-13325956(Top 97%)11098(Top 97%)11098(Top 227%)
21M21.00 mi1.00 mi24648-7710300-4810300-4825089(Top 94%)10658(Top 93%)10658(Top 218%)
35K21.75 mi0.75 mi24628+2010298+210298+224109(Top 91%)10188(Top 89%)10188(Top 209%)
23M23.00 mi1.25 mi24579+4910273+2510273+2523830(Top 90%)10024(Top 88%)10024(Top 205%)
24M24.00 mi1.00 mi24585-610294-2110294-2124539(Top 92%)10449(Top 91%)10449(Top 214%)
40K24.85 mi0.85 mi24595-1010308-1410308-1424381(Top 92%)10382(Top 91%)10382(Top 213%)
25.2M25.20 mi0.35 mi24615-2010323-1510323-1525029(Top 94%)10713(Top 94%)10713(Top 219%)
Finish26.22 mi1.02 mi24656-4110342-1910342-1924918(Top 94%)10622(Top 93%)10622(Top 217%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

24091

Females

9943

F18-39

9943

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23707

Females

9735

F18-39

9735

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

24091

Females

9943

F18-39

9943

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24288

Females

10083

F18-39

10083

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24438

Females

10176

F18-39

10176

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24832

Females

10417

F18-39

10417

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

24811

Females

10462

F18-39

10462

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

25956

Females

11098

F18-39

11098

20M→21M

20.0 - 21.0 mi

Top 94%
×8story building
+106ft-24ft

Overall

25089

Females

10658

F18-39

10658

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24109

Females

10188

F18-39

10188

35K→23M

21.8 - 23.0 mi

Top 90%
×5story building
+23ft-63ft

Overall

23830

Females

10024

F18-39

10024

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24539

Females

10449

F18-39

10449

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24381

Females

10382

F18-39

10382

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

25029

Females

10713

F18-39

10713

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

24918

Females

10622

F18-39

10622

Passing Analysis

Category:
Athletes Passed
534
Passed By
1843
Net Change
-1309
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23347
5K → 10K110351-241#23347#23588
10K → 15K57251-194#23588#23782
15K → 20K61218-157#23782#23939
20K → Half1938-19#23939#23958
Half → 25K44231-187#23958#24145
25K → 30K44243-199#24145#24344
30K → 20M9236-227#24344#24571
20M → 21M1592-77#24571#24648
21M → 35K3111+20#24648#24628
35K → 23M6920+49#24628#24579
23M → 24M3238-6#24579#24585
24M → 40K2434-10#24585#24595
40K → 25.2M525-20#24595#24615
25.2M → Finish1455-41#24615#24656
TOTALS5341843-1309
📊

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