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BOSTON MARATHON 2023

Dorothy Sedia

Bib: 18590•F

CA

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
9:01/mi
28:01
↑ 97↓ 3451.5%
10K· 6.21 mi
9:03/mi
56:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:38/mi
1:22:56
↑ 67↓ 78
20K· 12.43 mi
8:47/mi
1:50:14
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:56:07
↑ 19↓ 370.5%
25K· 15.53 mi
8:56/mi
2:17:47
↑ 66↓ 880.2%
30K· 18.64 mi
9:19/mi
2:46:45
↑ 181↓ 1480.2%
20M
9:13/mi
2:59:16
↑ 64↓ 500.2%
21M
9:26/mi
3:08:42
↑ 106↓ 241.6%
35K· 21.75 mi
8:43/mi
3:15:13
↑ 17↓ 861.7%
23M
8:55/mi
3:26:23
↑ 23↓ 630.6%
24M
8:48/mi
3:35:11
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:42:40
↓ 200.3%
25.2M
9:23/mi
3:45:54
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:54:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:07
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time1:58:20
Pace9:02 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0828:019:0128:01
9:01
-
10K
6.21 mi11:47:1456:079:0228:06
9:03
+0:02
15K
9.32 mi12:14:031:22:568:5426:49
8:38
-0:25
20K
12.43 mi12:41:211:50:148:5227:18
8:47
+0:09
Half
13.11 mi12:47:141:56:078:515:53
8:37
-0:10
25K
15.53 mi13:08:542:17:478:5221:40
8:56
+0:19
30K
18.64 mi13:37:522:46:458:5728:58
9:19
+0:23
20M
20.00 mi13:50:232:59:168:5812:31
9:13
-0:06
21M
21.00 mi13:59:493:08:428:599:26
9:26
+0:13
35K
21.75 mi14:06:203:15:138:596:31
8:43
-0:43
23M
23.00 mi14:17:303:26:238:5811:10
8:55
+0:12
24M
24.00 mi14:26:183:35:118:588:48
8:48
-0:07
40K
24.85 mi14:33:473:42:408:587:29
8:45
-0:03
25.2M
25.20 mi14:37:013:45:548:583:14
9:23
+0:38
Finish
26.22 mi14:45:343:54:278:578:33
8:23
-1:00

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

8:23 /mi

Average Pace

8:57 /mi

Slowest Pace

9:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:49

82% of race

Time at Steady Pace

41:38

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:56 /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 mi11:19:0828:019:0128:01
9:01
#20534
10K
6.21 mi11:47:1456:079:0228:06
9:03
#20774
15K
9.32 mi12:14:031:22:568:5426:49
8:38
#20113
20K
12.43 mi12:41:211:50:148:5227:18
8:47
#19704
Half
13.11 mi12:47:141:56:078:515:53
8:37
#19643
25K
15.53 mi13:08:542:17:478:5221:40
8:56
#19455
30K
18.64 mi13:37:522:46:458:5728:58
9:19
#19338
20M
20.00 mi13:50:232:59:168:5812:31
9:13
#19187
21M
21.00 mi13:59:493:08:428:599:26
9:26
#18992
35K
21.75 mi14:06:203:15:138:596:31
8:43
#18898
23M
23.00 mi14:17:303:26:238:5811:10
8:55
#18692
24M
24.00 mi14:26:183:35:118:588:48
8:48
#18581
40K
24.85 mi14:33:473:42:408:587:29
8:45
#18444
25.2M
25.20 mi14:37:013:45:548:583:14
9:23
#18382
Finish
26.22 mi14:45:343:54:278:578:33
8:23
#18264
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi205348132813218636(Top 70%)6879(Top 60%)6879(Top 141%)
10K6.21 mi3.10 mi20774-2408183-518183-5121062(Top 79%)8298(Top 73%)8298(Top 170%)
15K9.32 mi3.11 mi20113+6617800+3837800+38318636(Top 70%)6879(Top 60%)6879(Top 141%)
20K12.43 mi3.11 mi19704+4097548+2527548+25218604(Top 70%)6853(Top 60%)6853(Top 140%)
Half13.11 mi0.68 mi19643+617507+417507+4118512(Top 70%)6789(Top 59%)6789(Top 139%)
25K15.53 mi2.42 mi19455+1887393+1147393+11418650(Top 70%)6931(Top 61%)6931(Top 142%)
30K18.64 mi3.11 mi19338+1177339+547339+5418727(Top 70%)7044(Top 62%)7044(Top 144%)
20M20.00 mi1.36 mi19187+1517261+787261+7817621(Top 66%)6533(Top 57%)6533(Top 134%)
21M21.00 mi1.00 mi18992+1957161+1007161+10015683(Top 59%)5454(Top 48%)5454(Top 112%)
35K21.75 mi0.75 mi18898+947117+447117+4416515(Top 62%)6014(Top 53%)6014(Top 123%)
23M23.00 mi1.25 mi18692+2067009+1087009+10815658(Top 59%)5556(Top 49%)5556(Top 114%)
24M24.00 mi1.00 mi18581+1116952+576952+5716232(Top 61%)5945(Top 52%)5945(Top 122%)
40K24.85 mi0.85 mi18444+1376890+626890+6214876(Top 56%)5238(Top 46%)5238(Top 107%)
25.2M25.20 mi0.35 mi18382+626861+296861+2914681(Top 55%)5147(Top 45%)5147(Top 105%)
Finish26.22 mi1.02 mi18264+1186803+586803+5814725(Top 55%)5122(Top 45%)5122(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18636

Females

6879

F18-39

6879

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

21062

Females

8298

F18-39

8298

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18636

Females

6879

F18-39

6879

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18604

Females

6853

F18-39

6853

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18512

Females

6789

F18-39

6789

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18650

Females

6931

F18-39

6931

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18727

Females

7044

F18-39

7044

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17621

Females

6533

F18-39

6533

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15683

Females

5454

F18-39

5454

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16515

Females

6014

F18-39

6014

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15658

Females

5556

F18-39

5556

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16232

Females

5945

F18-39

5945

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14876

Females

5238

F18-39

5238

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14681

Females

5147

F18-39

5147

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14725

Females

5122

F18-39

5122

Passing Analysis

Category:
Athletes Passed
2952
Passed By
682
Net Change
+2270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20534
5K → 10K186426-240#20534#20774
10K → 15K67817+661#20774#20113
15K → 20K43425+409#20113#19704
20K → Half7312+61#19704#19643
Half → 25K22234+188#19643#19455
25K → 30K222105+117#19455#19338
30K → 20M1609+151#19338#19187
20M → 21M20510+195#19187#18992
21M → 35K995+94#18992#18898
35K → 23M21711+206#18898#18692
23M → 24M12110+111#18692#18581
24M → 40K1436+137#18581#18444
40K → 25.2M631+62#18444#18382
25.2M → Finish12911+118#18382#18264
TOTALS2952682+2270
📊

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