Boston Marathon logo
BOSTON MARATHON 2023

Madison Cooley

Bib: 16057•F

VA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 33%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:04
Rank: #9041
Start → 5K
23:04 | 7:25/mi
10K· 6.21 mi
46:03
Rank: #9270 (-229)
5K → 10K
22:59 | 7:24/mi
15K· 9.32 mi
1:08:44
Rank: #9011 (+259)
10K → 15K
22:41 | 7:18/mi
20K· 12.43 mi
1:31:38
Rank: #8797 (+214)
15K → 20K
22:54 | 7:22/mi
Half· 13.11 mi
1:36:38
Rank: #8794 (+3)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:54:40
Rank: #8691 (+103)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:18:40
Rank: #8671 (+20)
25K → 30K
24:00 | 7:43/mi
20M
2:29:24
Rank: #8718 (-47)
30K → 20M
10:44 | 7:54/mi
21M
2:37:46
Rank: #8745 (-27)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:43:39
Rank: #8834 (-89)
21M → 35K
5:53 | 7:52/mi
23M
2:53:31
Rank: #8813 (+21)
35K → 23M
9:52 | 7:52/mi
24M
3:01:19
Rank: #8819 (-6)
23M → 24M
7:48 | 7:48/mi
40K· 24.85 mi
3:08:08
Rank: #8862 (-43)
24M → 40K
6:49 | 7:58/mi
25.2M
3:11:04
Rank: #8842 (+20)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:18:52
Rank: #8848 (-6)
25.2M → Finish
7:48 | 7:39/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:38
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:42:14
Pace7:48 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0623:047:2523:04
7:25
-
10K
6.21 mi11:36:0546:037:2522:59
7:24
-0:01
15K
9.32 mi11:58:461:08:447:2222:41
7:18
-0:06
20K
12.43 mi12:21:401:31:387:2222:54
7:22
+0:04
Half
13.11 mi12:26:401:36:387:225:00
7:20
-0:02
25K
15.53 mi12:44:421:54:407:2318:02
7:26
+0:06
30K
18.64 mi13:08:422:18:407:2624:00
7:43
+0:17
20M
20.00 mi13:19:262:29:247:2810:44
7:54
+0:11
21M
21.00 mi13:27:482:37:467:318:22
8:22
+0:28
35K
21.75 mi13:33:412:43:397:325:53
7:52
-0:30
23M
23.00 mi13:43:332:53:317:339:52
7:52
0:00
24M
24.00 mi13:51:213:01:197:337:48
7:48
-0:04
40K
24.85 mi13:58:103:08:087:346:49
7:58
+0:10
25.2M
25.20 mi14:01:063:11:047:352:56
8:30
+0:32
Finish
26.22 mi14:08:543:18:527:357:48
7:39
-0:51

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

7:18 /mi

Average Pace

7:35 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:34

94% of race

Time at Steady Pace

11:18

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:35 /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 mi11:13:0623:047:2523:04
7:25
#9041
10K
6.21 mi11:36:0546:037:2522:59
7:24
#9270
15K
9.32 mi11:58:461:08:447:2222:41
7:18
#9011
20K
12.43 mi12:21:401:31:387:2222:54
7:22
#8797
Half
13.11 mi12:26:401:36:387:225:00
7:20
#8794
25K
15.53 mi12:44:421:54:407:2318:02
7:26
#8691
30K
18.64 mi13:08:422:18:407:2624:00
7:43
#8671
20M
20.00 mi13:19:262:29:247:2810:44
7:54
#8718
21M
21.00 mi13:27:482:37:467:318:22
8:22
#8745
35K
21.75 mi13:33:412:43:397:325:53
7:52
#8834
23M
23.00 mi13:43:332:53:317:339:52
7:52
#8813
24M
24.00 mi13:51:213:01:197:337:48
7:48
#8819
40K
24.85 mi13:58:103:08:087:346:49
7:58
#8862
25.2M
25.20 mi14:01:063:11:047:352:56
8:30
#8842
Finish
26.22 mi14:08:543:18:527:357:48
7:39
#8848
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9041140714078567(Top 32%)1272(Top 11%)1272(Top 26%)
10K6.21 mi3.10 mi9270-2291524-1171524-1179621(Top 36%)1664(Top 15%)1664(Top 34%)
15K9.32 mi3.11 mi9011+2591426+981426+988567(Top 32%)1272(Top 11%)1272(Top 26%)
20K12.43 mi3.11 mi8797+2141352+741352+748319(Top 31%)1230(Top 11%)1230(Top 25%)
Half13.11 mi0.68 mi8794+31357-51357-58892(Top 33%)1442(Top 13%)1442(Top 30%)
25K15.53 mi2.42 mi8691+1031331+261331+268332(Top 31%)1305(Top 11%)1305(Top 27%)
30K18.64 mi3.11 mi8671+201365-341365-348835(Top 33%)1646(Top 14%)1646(Top 34%)
20M20.00 mi1.36 mi8718-471398-331398-339563(Top 36%)2039(Top 18%)2039(Top 42%)
21M21.00 mi1.00 mi8745-271421-231421-239652(Top 36%)2208(Top 19%)2208(Top 45%)
35K21.75 mi0.75 mi8834-891468-471468-4711219(Top 42%)3004(Top 26%)3004(Top 62%)
23M23.00 mi1.25 mi8813+211496-281496-288912(Top 33%)1992(Top 17%)1992(Top 41%)
24M24.00 mi1.00 mi8819-61526-301526-309808(Top 37%)2493(Top 22%)2493(Top 51%)
40K24.85 mi0.85 mi8862-431566-401566-409880(Top 37%)2578(Top 23%)2578(Top 53%)
25.2M25.20 mi0.35 mi8842+201565+11565+19601(Top 36%)2484(Top 22%)2484(Top 51%)
Finish26.22 mi1.02 mi8848-61577-121577-129668(Top 36%)2547(Top 22%)2547(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8567

Females

1272

F18-39

1272

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9621

Females

1664

F18-39

1664

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8567

Females

1272

F18-39

1272

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8319

Females

1230

F18-39

1230

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8892

Females

1442

F18-39

1442

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8332

Females

1305

F18-39

1305

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8835

Females

1646

F18-39

1646

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9563

Females

2039

F18-39

2039

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9652

Females

2208

F18-39

2208

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11219

Females

3004

F18-39

3004

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8912

Females

1992

F18-39

1992

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9808

Females

2493

F18-39

2493

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9880

Females

2578

F18-39

2578

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9601

Females

2484

F18-39

2484

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

9668

Females

2547

F18-39

2547

Passing Analysis

Category:
Athletes Passed
1525
Passed By
1332
Net Change
+193
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9041
5K → 10K178407-229#9041#9270
10K → 15K30748+259#9270#9011
15K → 20K25036+214#9011#8797
20K → Half2522+3#8797#8794
Half → 25K15451+103#8794#8691
25K → 30K177157+20#8691#8671
30K → 20M58105-47#8671#8718
20M → 21M73100-27#8718#8745
21M → 35K22111-89#8745#8834
35K → 23M8463+21#8834#8813
23M → 24M5965-6#8813#8819
24M → 40K4386-43#8819#8862
40K → 25.2M3919+20#8862#8842
25.2M → Finish5662-6#8842#8848
TOTALS15251332+193
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing