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BOSTON MARATHON 2023

Nancy Ledesma

Bib: 24142•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 (F60-64)
#0 / 527
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
9:56/mi
30:53
↑ 97↓ 3451.5%
10K· 6.21 mi
10:47/mi
1:04:24
↑ 79↓ 1380.4%
15K· 9.32 mi
9:45/mi
1:34:41
↑ 67↓ 78
20K· 12.43 mi
9:59/mi
2:05:43
↑ 106↓ 860.1%
Half· 13.11 mi
9:29/mi
2:12:11
↑ 19↓ 370.5%
25K· 15.53 mi
9:56/mi
2:36:17
↑ 66↓ 880.2%
30K· 18.64 mi
10:15/mi
3:08:08
↑ 181↓ 1480.2%
20M
10:15/mi
3:22:04
↑ 64↓ 500.2%
21M
11:23/mi
3:33:27
↑ 106↓ 241.6%
35K· 21.75 mi
9:52/mi
3:40:50
↑ 17↓ 861.7%
23M
10:16/mi
3:53:41
↑ 23↓ 630.6%
24M
9:56/mi
4:03:37
↓ 821.3%
40K· 24.85 mi
11:14/mi
4:13:13
↓ 200.3%
25.2M
11:33/mi
4:17:12
↑ 13↓ 160.2%
Finish· 26.22 mi
10:09/mi
4:27:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:11
Pace10:05 /mi
2nd Half
Distance13.11 mi
Time2:15:22
Pace10:20 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1930:539:5630:53
9:56
-
10K
6.21 mi12:24:501:04:2410:2233:31
10:47
+0:51
15K
9.32 mi12:55:071:34:4110:1030:17
9:45
-1:02
20K
12.43 mi13:26:092:05:4310:0731:02
9:59
+0:14
Half
13.11 mi13:32:372:12:1110:056:28
9:29
-0:30
25K
15.53 mi13:56:432:36:1710:0424:06
9:56
+0:27
30K
18.64 mi14:28:343:08:0810:0631:51
10:15
+0:19
20M
20.00 mi14:42:303:22:0410:0613:56
10:15
0:00
21M
21.00 mi14:53:533:33:2710:1011:23
11:23
+1:08
35K
21.75 mi15:01:163:40:5010:097:23
9:52
-1:31
23M
23.00 mi15:14:073:53:4110:1012:51
10:16
+0:24
24M
24.00 mi15:24:034:03:3710:099:56
9:56
-0:20
40K
24.85 mi15:33:394:13:1310:119:36
11:14
+1:18
25.2M
25.20 mi15:37:384:17:1210:123:59
11:33
+0:19
Finish
26.22 mi15:47:594:27:3310:1310:21
10:09
-1:24

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

9:29 /mi

Average Pace

10:13 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:45

14% of race

Time at Steady Pace

2:52:19

64% of race

Time at Slower Pace

58:29

22% of race

Average Pace: 10:12 /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 mi11:51:1930:539:5630:53
9:56
#23311
10K
6.21 mi12:24:501:04:2410:2233:31
10:47
#24423
15K
9.32 mi12:55:071:34:4110:1030:17
9:45
#23922
20K
12.43 mi13:26:092:05:4310:0731:02
9:59
#23681
Half
13.11 mi13:32:372:12:1110:056:28
9:29
#23603
25K
15.53 mi13:56:432:36:1710:0424:06
9:56
#23341
30K
18.64 mi14:28:343:08:0810:0631:51
10:15
#23026
20M
20.00 mi14:42:303:22:0410:0613:56
10:15
#22870
21M
21.00 mi14:53:533:33:2710:1011:23
11:23
#22794
35K
21.75 mi15:01:163:40:5010:097:23
9:52
#22733
23M
23.00 mi15:14:073:53:4110:1012:51
10:16
#22607
24M
24.00 mi15:24:034:03:3710:099:56
9:56
#22538
40K
24.85 mi15:33:394:13:1310:119:36
11:14
#22547
25.2M
25.20 mi15:37:384:17:1210:123:59
11:33
#22535
Finish
26.22 mi15:47:594:27:3310:1310:21
10:09
#22522
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi233119554955422927(Top 86%)9301(Top 81%)9301(Top 1765%)
10K6.21 mi3.10 mi24423-111210117-56310117-56325153(Top 94%)10524(Top 92%)10524(Top 1997%)
15K9.32 mi3.11 mi23922+5019845+2729845+27222927(Top 86%)9301(Top 81%)9301(Top 1765%)
20K12.43 mi3.11 mi23681+2419715+1309715+13022888(Top 86%)9297(Top 81%)9297(Top 1764%)
Half13.11 mi0.68 mi23603+789664+519664+5122082(Top 83%)8831(Top 77%)8831(Top 1676%)
25K15.53 mi2.42 mi23341+2629536+1289536+12822093(Top 83%)8889(Top 78%)8889(Top 1687%)
30K18.64 mi3.11 mi23026+3159395+1419395+14121664(Top 81%)8719(Top 76%)8719(Top 1654%)
20M20.00 mi1.36 mi22870+1569330+659330+6521158(Top 79%)8501(Top 74%)8501(Top 1613%)
21M21.00 mi1.00 mi22794+769301+299301+2921671(Top 81%)8817(Top 77%)8817(Top 1673%)
35K21.75 mi0.75 mi22733+619279+229279+2220947(Top 79%)8471(Top 74%)8471(Top 1607%)
23M23.00 mi1.25 mi22607+1269213+669213+6620768(Top 78%)8390(Top 73%)8390(Top 1592%)
24M24.00 mi1.00 mi22538+699185+289185+2820617(Top 77%)8340(Top 73%)8340(Top 1583%)
40K24.85 mi0.85 mi22547-99196-119196-1122788(Top 86%)9546(Top 84%)9546(Top 1811%)
25.2M25.20 mi0.35 mi22535+129196919621700(Top 82%)8967(Top 78%)8967(Top 1702%)
Finish26.22 mi1.02 mi22522+139198-29198-222191(Top 83%)9225(Top 81%)9225(Top 1750%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

22927

Females

9301

F60-64

9301

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25153

Females

10524

F60-64

10524

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

22927

Females

9301

F60-64

9301

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22888

Females

9297

F60-64

9297

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22082

Females

8831

F60-64

8831

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22093

Females

8889

F60-64

8889

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21664

Females

8719

F60-64

8719

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

21158

Females

8501

F60-64

8501

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21671

Females

8817

F60-64

8817

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

20947

Females

8471

F60-64

8471

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20768

Females

8390

F60-64

8390

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20617

Females

8340

F60-64

8340

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22788

Females

9546

F60-64

9546

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21700

Females

8967

F60-64

8967

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

22191

Females

9225

F60-64

9225

Passing Analysis

Category:
Athletes Passed
2083
Passed By
1294
Net Change
+789
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23311
5K → 10K91121-1112#23311#24423
10K → 15K51413+501#24423#23922
15K → 20K26120+241#23922#23681
20K → Half791+78#23681#23603
Half → 25K2664+262#23603#23341
25K → 30K33015+315#23341#23026
30K → 20M1659+156#23026#22870
20M → 21M9418+76#22870#22794
21M → 35K676+61#22794#22733
35K → 23M1326+126#22733#22607
23M → 24M723+69#22607#22538
24M → 40K2332-9#22538#22547
40K → 25.2M2513+12#22547#22535
25.2M → Finish4633+13#22535#22522
TOTALS20831294+789
📊

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