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BOSTON MARATHON 2023

Esmeralda Duran

Bib: 8372•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 28%
Division (F18-39)
#0 / 4884
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:29
Rank: #5703
Start → 5K
21:29 | 6:55/mi
10K· 6.21 mi
43:58
Rank: #6964 (-1261)
5K → 10K
22:29 | 7:14/mi
15K· 9.32 mi
1:06:54
Rank: #7601 (-637)
10K → 15K
22:56 | 7:23/mi
20K· 12.43 mi
1:30:41
Rank: #8232 (-631)
15K → 20K
23:47 | 7:39/mi
Half· 13.11 mi
1:35:55
Rank: #8386 (-154)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
1:54:53
Rank: #8813 (-427)
Half → 25K
18:58 | 7:49/mi
30K· 18.64 mi
2:22:17
Rank: #10228 (-1415)
25K → 30K
27:24 | 8:49/mi
20M
2:34:08
Rank: #10614 (-386)
30K → 20M
11:51 | 8:43/mi
21M
2:43:12
Rank: #10791 (-177)
20M → 21M
9:04 | 9:04/mi
35K· 21.75 mi
2:49:24
Rank: #10895 (-104)
21M → 35K
6:12 | 8:17/mi
23M
3:01:12
Rank: #11465 (-570)
35K → 23M
11:48 | 9:25/mi
24M
3:10:04
Rank: #11746 (-281)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:17:31
Rank: #11859 (-113)
24M → 40K
7:27 | 8:43/mi
25.2M
3:20:56
Rank: #11976 (-117)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:29:22
Rank: #12067 (-91)
25.2M → Finish
8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:55
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:53:27
Pace8:39 /mi
📊Positive Split: 18.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3421:296:5521:29
6:55
-
10K
6.21 mi11:09:0343:587:0522:29
7:14
+0:19
15K
9.32 mi11:31:591:06:547:1122:56
7:23
+0:09
20K
12.43 mi11:55:461:30:417:1823:47
7:39
+0:16
Half
13.11 mi12:01:001:35:557:195:14
7:40
+0:01
25K
15.53 mi12:19:581:54:537:2418:58
7:49
+0:09
30K
18.64 mi12:47:222:22:177:3827:24
8:49
+1:00
20M
20.00 mi12:59:132:34:087:4211:51
8:43
-0:06
21M
21.00 mi13:08:172:43:127:469:04
9:04
+0:21
35K
21.75 mi13:14:292:49:247:476:12
8:17
-0:47
23M
23.00 mi13:26:173:01:127:5311:48
9:25
+1:08
24M
24.00 mi13:35:093:10:047:558:52
8:52
-0:33
40K
24.85 mi13:42:363:17:317:577:27
8:43
-0:09
25.2M
25.20 mi13:46:013:20:567:583:25
9:54
+1:11
Finish
26.22 mi13:54:273:29:227:598:26
8:17
-1:37

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

6:55 /mi

Average Pace

7:59 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:53

55% of race

Time at Steady Pace

14:38

7% of race

Time at Slower Pace

1:19:51

38% of race

Average Pace: 7:59 /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 mi10:46:3421:296:5521:29
6:55
#5703
10K
6.21 mi11:09:0343:587:0522:29
7:14
#6964
15K
9.32 mi11:31:591:06:547:1122:56
7:23
#7601
20K
12.43 mi11:55:461:30:417:1823:47
7:39
#8232
Half
13.11 mi12:01:001:35:557:195:14
7:40
#8386
25K
15.53 mi12:19:581:54:537:2418:58
7:49
#8813
30K
18.64 mi12:47:222:22:177:3827:24
8:49
#10228
20M
20.00 mi12:59:132:34:087:4211:51
8:43
#10614
21M
21.00 mi13:08:172:43:127:469:04
9:04
#10791
35K
21.75 mi13:14:292:49:247:476:12
8:17
#10895
23M
23.00 mi13:26:173:01:127:5311:48
9:25
#11465
24M
24.00 mi13:35:093:10:047:558:52
8:52
#11746
40K
24.85 mi13:42:363:17:317:577:27
8:43
#11859
25.2M
25.20 mi13:46:013:20:567:583:25
9:54
#11976
Finish
26.22 mi13:54:273:29:227:598:26
8:17
#12067
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi57034564569202(Top 35%)1524(Top 13%)1524(Top 31%)
10K6.21 mi3.10 mi6964-1261722-266722-2668395(Top 32%)1197(Top 10%)1197(Top 25%)
15K9.32 mi3.11 mi7601-637901-179901-1799202(Top 35%)1524(Top 13%)1524(Top 31%)
20K12.43 mi3.11 mi8232-6311131-2301131-23010577(Top 40%)2188(Top 19%)2188(Top 45%)
Half13.11 mi0.68 mi8386-1541197-661197-6611723(Top 44%)2767(Top 24%)2767(Top 57%)
25K15.53 mi2.42 mi8813-4271381-1841381-18411315(Top 43%)2671(Top 23%)2671(Top 55%)
30K18.64 mi3.11 mi10228-14152011-6302011-63016189(Top 61%)5605(Top 49%)5605(Top 115%)
20M20.00 mi1.36 mi10614-3862234-2232234-22314986(Top 56%)4975(Top 44%)4975(Top 102%)
21M21.00 mi1.00 mi10791-1772350-1162350-11613801(Top 52%)4379(Top 38%)4379(Top 90%)
35K21.75 mi0.75 mi10895-1042423-732423-7314030(Top 53%)4566(Top 40%)4566(Top 93%)
23M23.00 mi1.25 mi11465-5702750-3272750-32718021(Top 68%)6874(Top 60%)6874(Top 141%)
24M24.00 mi1.00 mi11746-2812921-1712921-17116581(Top 62%)6111(Top 53%)6111(Top 125%)
40K24.85 mi0.85 mi11859-1133013-923013-9214589(Top 55%)5063(Top 44%)5063(Top 104%)
25.2M25.20 mi0.35 mi11976-1173090-773090-7717013(Top 64%)6405(Top 56%)6405(Top 131%)
Finish26.22 mi1.02 mi12067-913165-753165-7513952(Top 52%)4703(Top 41%)4703(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9202

Females

1524

F18-39

1524

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8395

Females

1197

F18-39

1197

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9202

Females

1524

F18-39

1524

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10577

Females

2188

F18-39

2188

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11723

Females

2767

F18-39

2767

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11315

Females

2671

F18-39

2671

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

16189

Females

5605

F18-39

5605

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14986

Females

4975

F18-39

4975

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13801

Females

4379

F18-39

4379

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14030

Females

4566

F18-39

4566

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

18021

Females

6874

F18-39

6874

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16581

Females

6111

F18-39

6111

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14589

Females

5063

F18-39

5063

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17013

Females

6405

F18-39

6405

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13952

Females

4703

F18-39

4703

Passing Analysis

Category:
Athletes Passed
264*
Passed By
6627
Net Change
-6364
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5703
5K → 10K31264-1261#5703#6964
10K → 15K21658-637#6964#7601
15K → 20K17648-631#7601#8232
20K → Half1155-154#8232#8386
Half → 25K22449-427#8386#8813
25K → 30K121426-1415#8813#10228
30K → 20M18*404-386#10228#10614
20M → 21M30207-177#10614#10791
21M → 35K23127-104#10791#10895
35K → 23M15585-570#10895#11465
23M → 24M14295-281#11465#11746
24M → 40K37150-113#11746#11859
40K → 25.2M7124-117#11859#11976
25.2M → Finish44135-91#11976#12067
TOTALS264*6627-6364

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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