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BOSTON MARATHON 2023

Marysol Esparza

Bib: 12664•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:00
Rank: #6770
Start → 5K
22:00 | 7:05/mi
10K· 6.21 mi
44:16
Rank: #7273 (-503)
5K → 10K
22:16 | 7:10/mi
15K· 9.32 mi
1:06:35
Rank: #7377 (-104)
10K → 15K
22:19 | 7:11/mi
20K· 12.43 mi
1:29:27
Rank: #7531 (-154)
15K → 20K
22:52 | 7:22/mi
Half· 13.11 mi
1:34:29
Rank: #7602 (-71)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:52:41
Rank: #7750 (-148)
Half → 25K
18:12 | 7:30/mi
30K· 18.64 mi
2:16:58
Rank: #8004 (-254)
25K → 30K
24:17 | 7:49/mi
20M
2:27:51
Rank: #8128 (-124)
30K → 20M
10:53 | 8:01/mi
21M
2:36:22
Rank: #8242 (-114)
20M → 21M
8:31 | 8:31/mi
35K· 21.75 mi
2:41:57
Rank: #8221 (+21)
21M → 35K
5:35 | 7:28/mi
23M
2:51:37
Rank: #8163 (+58)
35K → 23M
9:40 | 7:43/mi
24M
2:59:09
Rank: #8123 (+40)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
3:05:46
Rank: #8113 (+10)
24M → 40K
6:37 | 7:44/mi
25.2M
3:08:36
Rank: #8090 (+23)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:16:01
Rank: #8030 (+60)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:29
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:41:32
Pace7:45 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5822:007:0522:00
7:05
-
10K
6.21 mi11:11:1444:167:0722:16
7:10
+0:05
15K
9.32 mi11:33:331:06:357:0922:19
7:11
+0:01
20K
12.43 mi11:56:251:29:277:1222:52
7:22
+0:11
Half
13.11 mi12:01:271:34:297:125:02
7:23
+0:01
25K
15.53 mi12:19:391:52:417:1518:12
7:30
+0:07
30K
18.64 mi12:43:562:16:587:2124:17
7:49
+0:19
20M
20.00 mi12:54:492:27:517:2410:53
8:01
+0:12
21M
21.00 mi13:03:202:36:227:278:31
8:31
+0:30
35K
21.75 mi13:08:552:41:577:275:35
7:28
-1:03
23M
23.00 mi13:18:352:51:377:289:40
7:43
+0:15
24M
24.00 mi13:26:072:59:097:287:32
7:32
-0:11
40K
24.85 mi13:32:443:05:467:286:37
7:44
+0:12
25.2M
25.20 mi13:35:343:08:367:292:50
8:13
+0:29
Finish
26.22 mi13:42:593:16:017:297:25
7:17
-0:56

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

7:05 /mi

Average Pace

7:29 /mi

Slowest Pace

8:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:00

38% of race

Time at Steady Pace

59:13

30% of race

Time at Slower Pace

1:02:48

32% of race

Average Pace: 7:29 /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 mi10:48:5822:007:0522:00
7:05
#6770
10K
6.21 mi11:11:1444:167:0722:16
7:10
#7273
15K
9.32 mi11:33:331:06:357:0922:19
7:11
#7377
20K
12.43 mi11:56:251:29:277:1222:52
7:22
#7531
Half
13.11 mi12:01:271:34:297:125:02
7:23
#7602
25K
15.53 mi12:19:391:52:417:1518:12
7:30
#7750
30K
18.64 mi12:43:562:16:587:2124:17
7:49
#8004
20M
20.00 mi12:54:492:27:517:2410:53
8:01
#8128
21M
21.00 mi13:03:202:36:227:278:31
8:31
#8242
35K
21.75 mi13:08:552:41:577:275:35
7:28
#8221
23M
23.00 mi13:18:352:51:377:289:40
7:43
#8163
24M
24.00 mi13:26:072:59:097:287:32
7:32
#8123
40K
24.85 mi13:32:443:05:467:286:37
7:44
#8113
25.2M
25.20 mi13:35:343:08:367:292:50
8:13
#8090
Finish
26.22 mi13:42:593:16:017:297:25
7:17
#8030
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi67706636637702(Top 29%)971(Top 9%)971(Top 20%)
10K6.21 mi3.10 mi7273-503804-141804-1417890(Top 30%)1015(Top 9%)1015(Top 21%)
15K9.32 mi3.11 mi7377-104834-30834-307702(Top 29%)971(Top 9%)971(Top 20%)
20K12.43 mi3.11 mi7531-154892-58892-588235(Top 31%)1192(Top 10%)1192(Top 24%)
Half13.11 mi0.68 mi7602-71920-28920-289275(Top 35%)1567(Top 14%)1567(Top 32%)
25K15.53 mi2.42 mi7750-148986-66986-668839(Top 33%)1490(Top 13%)1490(Top 31%)
30K18.64 mi3.11 mi8004-2541116-1301116-1309493(Top 36%)1924(Top 17%)1924(Top 39%)
20M20.00 mi1.36 mi8128-1241183-671183-6710328(Top 39%)2374(Top 21%)2374(Top 49%)
21M21.00 mi1.00 mi8242-1141244-611244-6110581(Top 40%)2654(Top 23%)2654(Top 54%)
35K21.75 mi0.75 mi8221+211249-51249-58301(Top 31%)1603(Top 14%)1603(Top 33%)
23M23.00 mi1.25 mi8163+581247+21247+27877(Top 30%)1524(Top 13%)1524(Top 31%)
24M24.00 mi1.00 mi8123+401250-31250-37948(Top 30%)1648(Top 14%)1648(Top 34%)
40K24.85 mi0.85 mi8113+101266-161266-168259(Top 31%)1841(Top 16%)1841(Top 38%)
25.2M25.20 mi0.35 mi8090+23126612667831(Top 29%)1743(Top 15%)1743(Top 36%)
Finish26.22 mi1.02 mi8030+601270-41270-47001(Top 26%)1428(Top 13%)1428(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7702

Females

971

F18-39

971

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

7890

Females

1015

F18-39

1015

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7702

Females

971

F18-39

971

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8235

Females

1192

F18-39

1192

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9275

Females

1567

F18-39

1567

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8839

Females

1490

F18-39

1490

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9493

Females

1924

F18-39

1924

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10328

Females

2374

F18-39

2374

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10581

Females

2654

F18-39

2654

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8301

Females

1603

F18-39

1603

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7877

Females

1524

F18-39

1524

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

7948

Females

1648

F18-39

1648

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8259

Females

1841

F18-39

1841

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7831

Females

1743

F18-39

1743

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7001

Females

1428

F18-39

1428

Passing Analysis

Category:
Athletes Passed
864
Passed By
2124
Net Change
-1260
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6770
5K → 10K48551-503#6770#7273
10K → 15K94198-104#7273#7377
15K → 20K73227-154#7377#7531
20K → Half475-71#7531#7602
Half → 25K51199-148#7602#7750
25K → 30K57311-254#7750#8004
30K → 20M57181-124#8004#8128
20M → 21M37151-114#8128#8242
21M → 35K5433+21#8242#8221
35K → 23M10749+58#8221#8163
23M → 24M8343+40#8163#8123
24M → 40K6454+10#8123#8113
40K → 25.2M4219+23#8113#8090
25.2M → Finish9333+60#8090#8030
TOTALS8642124-1260
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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