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BOSTON MARATHON 2023

Idamae Silva

Bib: 21357•F

CA

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

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
8:44/mi
27:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:41/mi
54:08
↑ 79↓ 1380.4%
15K· 9.32 mi
8:47/mi
1:21:24
↑ 67↓ 78
20K· 12.43 mi
8:54/mi
1:49:03
↑ 106↓ 860.1%
Half· 13.11 mi
8:59/mi
1:55:11
↑ 19↓ 370.5%
25K· 15.53 mi
8:54/mi
2:16:46
↑ 66↓ 880.2%
30K· 18.64 mi
9:50/mi
2:47:18
↑ 181↓ 1480.2%
20M
10:22/mi
3:01:23
↑ 64↓ 500.2%
21M
11:17/mi
3:12:40
↑ 106↓ 241.6%
35K· 21.75 mi
9:24/mi
3:19:42
↑ 17↓ 861.7%
23M
12:16/mi
3:35:04
↑ 23↓ 630.6%
24M
9:07/mi
3:44:11
↓ 821.3%
40K· 24.85 mi
9:41/mi
3:52:28
↓ 200.3%
25.2M
10:35/mi
3:56:07
↑ 13↓ 160.2%
Finish· 26.22 mi
9:31/mi
4:05:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:11
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:10:38
Pace9:58 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:3427:088:4427:08
8:44
-
10K
6.21 mi11:57:3454:088:4327:00
8:41
-0:03
15K
9.32 mi12:24:501:21:248:4427:16
8:47
+0:06
20K
12.43 mi12:52:291:49:038:4627:39
8:54
+0:07
Half
13.11 mi12:58:371:55:118:476:08
8:59
+0:05
25K
15.53 mi13:20:122:16:468:4821:35
8:54
-0:05
30K
18.64 mi13:50:442:47:188:5830:32
9:50
+0:56
20M
20.00 mi14:04:493:01:239:0414:05
10:22
+0:32
21M
21.00 mi14:16:063:12:409:1011:17
11:17
+0:55
35K
21.75 mi14:23:083:19:429:117:02
9:24
-1:53
23M
23.00 mi14:38:303:35:049:2115:22
12:16
+2:52
24M
24.00 mi14:47:373:44:119:209:07
9:07
-3:09
40K
24.85 mi14:55:543:52:289:218:17
9:41
+0:34
25.2M
25.20 mi14:59:333:56:079:223:39
10:35
+0:54
Finish
26.22 mi15:09:154:05:499:239:42
9:31
-1:04

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

8:41 /mi

Average Pace

9:23 /mi

Slowest Pace

12:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:24

33% of race

Time at Steady Pace

2:00:02

49% of race

Time at Slower Pace

44:23

18% of race

Average Pace: 9:23 /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 mi11:30:3427:088:4427:08
8:44
#19108
10K
6.21 mi11:57:3454:088:4327:00
8:41
#19182
15K
9.32 mi12:24:501:21:248:4427:16
8:47
#19233
20K
12.43 mi12:52:291:49:038:4627:39
8:54
#19204
Half
13.11 mi12:58:371:55:118:476:08
8:59
#19250
25K
15.53 mi13:20:122:16:468:4821:35
8:54
#19112
30K
18.64 mi13:50:442:47:188:5830:32
9:50
#19475
20M
20.00 mi14:04:493:01:239:0414:05
10:22
#19689
21M
21.00 mi14:16:063:12:409:1011:17
11:17
#19834
35K
21.75 mi14:23:083:19:429:117:02
9:24
#19816
23M
23.00 mi14:38:303:35:049:2115:22
12:16
#20308
24M
24.00 mi14:47:373:44:119:209:07
9:07
#20212
40K
24.85 mi14:55:543:52:289:218:17
9:41
#20164
25.2M
25.20 mi14:59:333:56:079:223:39
10:35
#20138
Finish
26.22 mi15:09:154:05:499:239:42
9:31
#20130
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi191087269726919389(Top 73%)7324(Top 64%)7324(Top 403%)
10K6.21 mi3.10 mi19182-747269726919385(Top 73%)7312(Top 64%)7312(Top 402%)
15K9.32 mi3.11 mi19233-517273-47273-419389(Top 73%)7324(Top 64%)7324(Top 403%)
20K12.43 mi3.11 mi19204+297240+337240+3319220(Top 72%)7226(Top 63%)7226(Top 398%)
Half13.11 mi0.68 mi19250-467267-277267-2720428(Top 77%)7926(Top 69%)7926(Top 436%)
25K15.53 mi2.42 mi19112+1387184+837184+8318482(Top 69%)6839(Top 60%)6839(Top 376%)
30K18.64 mi3.11 mi19475-3637413-2297413-22920529(Top 77%)8072(Top 71%)8072(Top 444%)
20M20.00 mi1.36 mi19689-2147552-1397552-13921428(Top 80%)8654(Top 76%)8654(Top 476%)
21M21.00 mi1.00 mi19834-1457645-937645-9321449(Top 81%)8707(Top 76%)8707(Top 479%)
35K21.75 mi0.75 mi19816+187642+37642+319567(Top 73%)7692(Top 67%)7692(Top 423%)
23M23.00 mi1.25 mi20308-4927943-3017943-30124329(Top 91%)10301(Top 90%)10301(Top 567%)
24M24.00 mi1.00 mi20212+967899+447899+4417768(Top 67%)6793(Top 59%)6793(Top 374%)
40K24.85 mi0.85 mi20164+487877+227877+2219005(Top 71%)7501(Top 66%)7501(Top 413%)
25.2M25.20 mi0.35 mi20138+267873+47873+419397(Top 73%)7731(Top 68%)7731(Top 425%)
Finish26.22 mi1.02 mi20130+87881-87881-820211(Top 76%)8128(Top 71%)8128(Top 447%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19389

Females

7324

F45-49

7324

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

19385

Females

7312

F45-49

7312

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19389

Females

7324

F45-49

7324

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

19220

Females

7226

F45-49

7226

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20428

Females

7926

F45-49

7926

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18482

Females

6839

F45-49

6839

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20529

Females

8072

F45-49

8072

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

21428

Females

8654

F45-49

8654

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21449

Females

8707

F45-49

8707

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19567

Females

7692

F45-49

7692

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24329

Females

10301

F45-49

10301

23M→24M

23.0 - 24.0 mi

Top 67%
×6story building
+12ft-82ft

Overall

17768

Females

6793

F45-49

6793

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

19005

Females

7501

F45-49

7501

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19397

Females

7731

F45-49

7731

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20211

Females

8128

F45-49

8128

Passing Analysis

Category:
Athletes Passed
1294
Passed By
2316
Net Change
-1022
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19108
5K → 10K302376-74#19108#19182
10K → 15K154205-51#19182#19233
15K → 20K176147+29#19233#19204
20K → Half1258-46#19204#19250
Half → 25K18648+138#19250#19112
25K → 30K76439-363#19112#19475
30K → 20M36250-214#19475#19689
20M → 21M48193-145#19689#19834
21M → 35K5335+18#19834#19816
35K → 23M10502-492#19816#20308
23M → 24M1037+96#20308#20212
24M → 40K6618+48#20212#20164
40K → 25.2M359+26#20164#20138
25.2M → Finish3729+8#20138#20130
TOTALS12942316-1022
📊

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