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BOSTON MARATHON 2023

Megan Cordone

Bib: 14708•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 16%
Division (F18-39)
#0 / 4884
Top 29%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:07
Rank: #9164
Start → 5K
23:07 | 7:26/mi
10K· 6.21 mi
45:39
Rank: #8788 (+376)
5K → 10K
22:32 | 7:15/mi
15K· 9.32 mi
1:08:35
Rank: #8908 (-120)
10K → 15K
22:56 | 7:23/mi
20K· 12.43 mi
1:32:20
Rank: #9241 (-333)
15K → 20K
23:45 | 7:39/mi
Half· 13.11 mi
1:37:28
Rank: #9306 (-65)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:56:04
Rank: #9406 (-100)
Half → 25K
18:36 | 7:40/mi
30K· 18.64 mi
2:20:21
Rank: #9386 (+20)
25K → 30K
24:17 | 7:49/mi
20M
2:31:04
Rank: #9390 (-4)
30K → 20M
10:43 | 7:53/mi
21M
2:39:43
Rank: #9480 (-90)
20M → 21M
8:39 | 8:39/mi
35K· 21.75 mi
2:45:15
Rank: #9390 (+90)
21M → 35K
5:32 | 7:24/mi
23M
2:55:15
Rank: #9370 (+20)
35K → 23M
10:00 | 7:59/mi
24M
3:02:58
Rank: #9327 (+43)
23M → 24M
7:43 | 7:43/mi
40K· 24.85 mi
3:09:43
Rank: #9316 (+11)
24M → 40K
6:45 | 7:54/mi
25.2M
3:12:52
Rank: #9378 (-62)
40K → 25.2M
3:09 | 9:08/mi
Finish· 26.22 mi
3:20:54
Rank: #9432 (-54)
25.2M → Finish
8:02 | 7:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:28
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:43:26
Pace7:53 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0823:077:2623:07
7:26
-
10K
6.21 mi11:14:4045:397:2122:32
7:15
-0:11
15K
9.32 mi11:37:361:08:357:2122:56
7:23
+0:08
20K
12.43 mi12:01:211:32:207:2623:45
7:39
+0:16
Half
13.11 mi12:06:291:37:287:265:08
7:31
-0:08
25K
15.53 mi12:25:051:56:047:2818:36
7:40
+0:09
30K
18.64 mi12:49:222:20:217:3224:17
7:49
+0:09
20M
20.00 mi13:00:052:31:047:3310:43
7:53
+0:04
21M
21.00 mi13:08:442:39:437:368:39
8:39
+0:46
35K
21.75 mi13:14:162:45:157:365:32
7:24
-1:15
23M
23.00 mi13:24:162:55:157:3710:00
7:59
+0:35
24M
24.00 mi13:31:593:02:587:377:43
7:43
-0:16
40K
24.85 mi13:38:443:09:437:386:45
7:54
+0:11
25.2M
25.20 mi13:41:533:12:527:393:09
9:08
+1:14
Finish
26.22 mi13:49:553:20:547:408:02
7:53
-1:15

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

7:15 /mi

Average Pace

7:40 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:07

37% of race

Time at Steady Pace

1:44:59

52% of race

Time at Slower Pace

21:48

11% of race

Average Pace: 7:40 /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 mi10:52:0823:077:2623:07
7:26
#9164
10K
6.21 mi11:14:4045:397:2122:32
7:15
#8788
15K
9.32 mi11:37:361:08:357:2122:56
7:23
#8908
20K
12.43 mi12:01:211:32:207:2623:45
7:39
#9241
Half
13.11 mi12:06:291:37:287:265:08
7:31
#9306
25K
15.53 mi12:25:051:56:047:2818:36
7:40
#9406
30K
18.64 mi12:49:222:20:217:3224:17
7:49
#9386
20M
20.00 mi13:00:052:31:047:3310:43
7:53
#9390
21M
21.00 mi13:08:442:39:437:368:39
8:39
#9480
35K
21.75 mi13:14:162:45:157:365:32
7:24
#9390
23M
23.00 mi13:24:162:55:157:3710:00
7:59
#9370
24M
24.00 mi13:31:593:02:587:377:43
7:43
#9327
40K
24.85 mi13:38:443:09:437:386:45
7:54
#9316
25.2M
25.20 mi13:41:533:12:527:393:09
9:08
#9378
Finish
26.22 mi13:49:553:20:547:408:02
7:53
#9432
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9164145814589198(Top 35%)1520(Top 13%)1520(Top 31%)
10K6.21 mi3.10 mi8788+3761322+1361322+1368524(Top 32%)1239(Top 11%)1239(Top 25%)
15K9.32 mi3.11 mi8908-1201393-711393-719198(Top 35%)1520(Top 13%)1520(Top 31%)
20K12.43 mi3.11 mi9241-3331538-1451538-14510468(Top 39%)2126(Top 19%)2126(Top 44%)
Half13.11 mi0.68 mi9306-651562-241562-2410444(Top 39%)2099(Top 18%)2099(Top 43%)
25K15.53 mi2.42 mi9406-1001613-511613-5110092(Top 38%)2032(Top 18%)2032(Top 42%)
30K18.64 mi3.11 mi9386+201647-341647-349496(Top 36%)1927(Top 17%)1927(Top 39%)
20M20.00 mi1.36 mi9390-41670-231670-239481(Top 36%)2007(Top 18%)2007(Top 41%)
21M21.00 mi1.00 mi9480-901724-541724-5411355(Top 43%)3053(Top 27%)3053(Top 63%)
35K21.75 mi0.75 mi9390+901707+171707+177826(Top 29%)1434(Top 13%)1434(Top 29%)
23M23.00 mi1.25 mi9370+201720-131720-139664(Top 36%)2328(Top 20%)2328(Top 48%)
24M24.00 mi1.00 mi9327+431723-31723-39212(Top 35%)2200(Top 19%)2200(Top 45%)
40K24.85 mi0.85 mi9316+111753-301753-309330(Top 35%)2312(Top 20%)2312(Top 47%)
25.2M25.20 mi0.35 mi9378-621793-401793-4013277(Top 50%)4348(Top 38%)4348(Top 89%)
Finish26.22 mi1.02 mi9432-541833-401833-4011297(Top 42%)3335(Top 29%)3335(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9198

Females

1520

F18-39

1520

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8524

Females

1239

F18-39

1239

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9198

Females

1520

F18-39

1520

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10468

Females

2126

F18-39

2126

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10444

Females

2099

F18-39

2099

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10092

Females

2032

F18-39

2032

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9496

Females

1927

F18-39

1927

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9481

Females

2007

F18-39

2007

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11355

Females

3053

F18-39

3053

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7826

Females

1434

F18-39

1434

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9664

Females

2328

F18-39

2328

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9212

Females

2200

F18-39

2200

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9330

Females

2312

F18-39

2312

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

13277

Females

4348

F18-39

4348

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11297

Females

3335

F18-39

3335

Passing Analysis

Category:
Athletes Passed
1454*
Passed By
1722
Net Change
-268
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9164
5K → 10K489113+376#9164#8788
10K → 15K100220-120#8788#8908
15K → 20K48381-333#8908#9241
20K → Half1176-65#9241#9306
Half → 25K86186-100#9306#9406
25K → 30K181*161+20#9406#9386
30K → 20M8084-4#9386#9390
20M → 21M60150-90#9390#9480
21M → 35K10111+90#9480#9390
35K → 23M8969+20#9390#9370
23M → 24M8441+43#9370#9327
24M → 40K7665+11#9327#9316
40K → 25.2M1678-62#9316#9378
25.2M → Finish3387-54#9378#9432
TOTALS1454*1722-268

* 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