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BOSTON MARATHON 2023

Leila Maria Santana

Bib: 21681•F

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
8:45/mi
27:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:49/mi
54:37
↑ 79↓ 1380.4%
15K· 9.32 mi
9:04/mi
1:22:48
↑ 67↓ 78
20K· 12.43 mi
9:11/mi
1:51:20
↑ 106↓ 860.1%
Half· 13.11 mi
9:11/mi
1:57:36
↑ 19↓ 370.5%
25K· 15.53 mi
9:31/mi
2:20:41
↑ 66↓ 880.2%
30K· 18.64 mi
9:51/mi
2:51:17
↑ 181↓ 1480.2%
20M
9:55/mi
3:04:45
↑ 64↓ 500.2%
21M
10:44/mi
3:15:29
↑ 106↓ 241.6%
35K· 21.75 mi
9:59/mi
3:22:57
↑ 17↓ 861.7%
23M
10:55/mi
3:36:37
↑ 23↓ 630.6%
24M
9:51/mi
3:46:28
↓ 821.3%
40K· 24.85 mi
13:32/mi
3:58:02
↓ 200.3%
25.2M
10:47/mi
4:01:45
↑ 13↓ 160.2%
Finish· 26.22 mi
9:54/mi
4:11:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:36
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:14:14
Pace10:14 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4327:128:4527:12
8:45
-
10K
6.21 mi11:48:0854:378:4727:25
8:49
+0:04
15K
9.32 mi12:16:191:22:488:5328:11
9:04
+0:15
20K
12.43 mi12:44:511:51:208:5828:32
9:11
+0:07
Half
13.11 mi12:51:071:57:368:586:16
9:11
0:00
25K
15.53 mi13:14:122:20:419:0323:05
9:31
+0:20
30K
18.64 mi13:44:482:51:179:1130:36
9:51
+0:20
20M
20.00 mi13:58:163:04:459:1413:28
9:55
+0:04
21M
21.00 mi14:09:003:15:299:1910:44
10:44
+0:49
35K
21.75 mi14:16:283:22:579:207:28
9:59
-0:45
23M
23.00 mi14:30:083:36:379:2513:40
10:55
+0:56
24M
24.00 mi14:39:593:46:289:269:51
9:51
-1:04
40K
24.85 mi14:51:333:58:029:3511:34
13:32
+3:41
25.2M
25.20 mi14:55:164:01:459:363:43
10:47
-2:45
Finish
26.22 mi15:05:214:11:509:3710:05
9:54
-0:53

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

8:45 /mi

Average Pace

9:37 /mi

Slowest Pace

13:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:36

47% of race

Time at Steady Pace

1:34:33

38% of race

Time at Slower Pace

39:41

16% of race

Average Pace: 9:36 /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 mi11:20:4327:128:4527:12
8:45
#19221
10K
6.21 mi11:48:0854:378:4727:25
8:49
#19625
15K
9.32 mi12:16:191:22:488:5328:11
9:04
#20052
20K
12.43 mi12:44:511:51:208:5828:32
9:11
#20150
Half
13.11 mi12:51:071:57:368:586:16
9:11
#20229
25K
15.53 mi13:14:122:20:419:0323:05
9:31
#20385
30K
18.64 mi13:44:482:51:179:1130:36
9:51
#20409
20M
20.00 mi13:58:163:04:459:1413:28
9:55
#20392
21M
21.00 mi14:09:003:15:299:1910:44
10:44
#20362
35K
21.75 mi14:16:283:22:579:207:28
9:59
#20393
23M
23.00 mi14:30:083:36:379:2513:40
10:55
#20525
24M
24.00 mi14:39:593:46:289:269:51
9:51
#20505
40K
24.85 mi14:51:333:58:029:3511:34
13:32
#20866
25.2M
25.20 mi14:55:164:01:459:363:43
10:47
#20849
Finish
26.22 mi15:05:214:11:509:3710:05
9:54
#20856
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi192217346734620832(Top 78%)8141(Top 71%)8141(Top 448%)
10K6.21 mi3.10 mi19625-4047550-2047550-20420070(Top 75%)7737(Top 68%)7737(Top 426%)
15K9.32 mi3.11 mi20052-4277770-2207770-22020832(Top 78%)8141(Top 71%)8141(Top 448%)
20K12.43 mi3.11 mi20150-987799-297799-2920513(Top 77%)7967(Top 70%)7967(Top 438%)
Half13.11 mi0.68 mi20229-797843-447843-4421130(Top 79%)8324(Top 73%)8324(Top 458%)
25K15.53 mi2.42 mi20385-1567927-847927-8420901(Top 79%)8218(Top 72%)8218(Top 452%)
30K18.64 mi3.11 mi20409-247958-317958-3120607(Top 77%)8114(Top 71%)8114(Top 447%)
20M20.00 mi1.36 mi20392+177959-17959-120221(Top 76%)7994(Top 70%)7994(Top 440%)
21M21.00 mi1.00 mi20362+307957+27957+220232(Top 76%)8053(Top 70%)8053(Top 443%)
35K21.75 mi0.75 mi20393-317981-247981-2421218(Top 80%)8606(Top 75%)8606(Top 474%)
23M23.00 mi1.25 mi20525-1328067-868067-8622185(Top 83%)9154(Top 80%)9154(Top 504%)
24M24.00 mi1.00 mi20505+208064+38064+320395(Top 77%)8202(Top 72%)8202(Top 451%)
40K24.85 mi0.85 mi20866-3618278-2148278-21425371(Top 95%)10853(Top 95%)10853(Top 597%)
25.2M25.20 mi0.35 mi20849+178276+28276+219950(Top 75%)8039(Top 70%)8039(Top 442%)
Finish26.22 mi1.02 mi20856-78288-128288-1221477(Top 81%)8833(Top 77%)8833(Top 486%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20832

Females

8141

F45-49

8141

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

20070

Females

7737

F45-49

7737

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20832

Females

8141

F45-49

8141

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20513

Females

7967

F45-49

7967

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

21130

Females

8324

F45-49

8324

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

20901

Females

8218

F45-49

8218

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20607

Females

8114

F45-49

8114

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20221

Females

7994

F45-49

7994

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20232

Females

8053

F45-49

8053

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21218

Females

8606

F45-49

8606

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

22185

Females

9154

F45-49

9154

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20395

Females

8202

F45-49

8202

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25371

Females

10853

F45-49

10853

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19950

Females

8039

F45-49

8039

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21477

Females

8833

F45-49

8833

Passing Analysis

Category:
Athletes Passed
934
Passed By
2569
Net Change
-1635
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19221
5K → 10K168572-404#19221#19625
10K → 15K51478-427#19625#20052
15K → 20K130228-98#20052#20150
20K → Half988-79#20150#20229
Half → 25K67223-156#20229#20385
25K → 30K144168-24#20385#20409
30K → 20M8467+17#20409#20392
20M → 21M8656+30#20392#20362
21M → 35K4172-31#20362#20393
35K → 23M29161-132#20393#20525
23M → 24M5636+20#20525#20505
24M → 40K1362-361#20505#20866
40K → 25.2M2710+17#20866#20849
25.2M → Finish4148-7#20849#20856
TOTALS9342569-1635
📊

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