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BOSTON MARATHON 2023

Madison Bailey

Bib: 26764•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:29
Rank: #22952
Start → 5K
30:29 | 9:49/mi
10K· 6.21 mi
1:00:01
Rank: #22774 (+178)
5K → 10K
29:32 | 9:30/mi
15K· 9.32 mi
1:29:05
Rank: #22484 (+290)
10K → 15K
29:04 | 9:21/mi
20K· 12.43 mi
1:58:25
Rank: #22211 (+273)
15K → 20K
29:20 | 9:26/mi
Half· 13.11 mi
2:04:55
Rank: #22200 (+11)
20K → Half
6:30 | 9:32/mi
25K· 15.53 mi
2:28:38
Rank: #22085 (+115)
Half → 25K
23:43 | 9:47/mi
30K· 18.64 mi
3:00:29
Rank: #22005 (+80)
25K → 30K
31:51 | 10:15/mi
20M
3:13:48
Rank: #21849 (+156)
30K → 20M
13:19 | 9:48/mi
21M
3:24:01
Rank: #21705 (+144)
20M → 21M
10:13 | 10:13/mi
35K· 21.75 mi
3:31:28
Rank: #21685 (+20)
21M → 35K
7:27 | 9:57/mi
23M
3:44:18
Rank: #21610 (+75)
35K → 23M
12:50 | 10:15/mi
24M
3:54:28
Rank: #21587 (+23)
23M → 24M
10:10 | 10:10/mi
40K· 24.85 mi
4:03:07
Rank: #21544 (+43)
24M → 40K
8:39 | 10:07/mi
25.2M
4:06:47
Rank: #21510 (+34)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
4:16:05
Rank: #21400 (+110)
25.2M → Finish
9:18 | 9:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:55
Pace9:32 /mi
2nd Half
Distance13.11 mi
Time2:11:10
Pace10:00 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5930:299:4930:29
9:49
-
10K
6.21 mi12:17:311:00:019:4029:32
9:30
-0:19
15K
9.32 mi12:46:351:29:059:3329:04
9:21
-0:09
20K
12.43 mi13:15:551:58:259:3229:20
9:26
+0:05
Half
13.11 mi13:22:252:04:559:326:30
9:32
+0:06
25K
15.53 mi13:46:082:28:389:3423:43
9:47
+0:15
30K
18.64 mi14:17:593:00:299:4131:51
10:15
+0:28
20M
20.00 mi14:31:183:13:489:4113:19
9:48
-0:27
21M
21.00 mi14:41:313:24:019:4310:13
10:13
+0:25
35K
21.75 mi14:48:583:31:289:437:27
9:57
-0:16
23M
23.00 mi15:01:483:44:189:4512:50
10:15
+0:18
24M
24.00 mi15:11:583:54:289:4610:10
10:10
-0:05
40K
24.85 mi15:20:374:03:079:478:39
10:07
-0:03
25.2M
25.20 mi15:24:174:06:479:483:40
10:38
+0:31
Finish
26.22 mi15:33:354:16:059:469:18
9:08
-1:30

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

9:08 /mi

Average Pace

9:46 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:42

70% of race

Time at Steady Pace

1:17:23

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:46 /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 mi11:47:5930:299:4930:29
9:49
#22952
10K
6.21 mi12:17:311:00:019:4029:32
9:30
#22774
15K
9.32 mi12:46:351:29:059:3329:04
9:21
#22484
20K
12.43 mi13:15:551:58:259:3229:20
9:26
#22211
Half
13.11 mi13:22:252:04:559:326:30
9:32
#22200
25K
15.53 mi13:46:082:28:389:3423:43
9:47
#22085
30K
18.64 mi14:17:593:00:299:4131:51
10:15
#22005
20M
20.00 mi14:31:183:13:489:4113:19
9:48
#21849
21M
21.00 mi14:41:313:24:019:4310:13
10:13
#21705
35K
21.75 mi14:48:583:31:289:437:27
9:57
#21685
23M
23.00 mi15:01:483:44:189:4512:50
10:15
#21610
24M
24.00 mi15:11:583:54:289:4610:10
10:10
#21587
40K
24.85 mi15:20:374:03:079:478:39
10:07
#21544
25.2M
25.20 mi15:24:174:06:479:483:40
10:38
#21510
Finish
26.22 mi15:33:354:16:059:469:18
9:08
#21400
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi229529362936221830(Top 82%)8692(Top 76%)8692(Top 178%)
10K6.21 mi3.10 mi22774+1789240+1229240+12222539(Top 85%)9107(Top 80%)9107(Top 186%)
15K9.32 mi3.11 mi22484+2909083+1579083+15721830(Top 82%)8692(Top 76%)8692(Top 178%)
20K12.43 mi3.11 mi22211+2738944+1398944+13921363(Top 80%)8443(Top 74%)8443(Top 173%)
Half13.11 mi0.68 mi22200+118938+68938+622197(Top 83%)8884(Top 78%)8884(Top 182%)
25K15.53 mi2.42 mi22085+1158871+678871+6721690(Top 81%)8665(Top 76%)8665(Top 177%)
30K18.64 mi3.11 mi22005+808838+338838+3321659(Top 81%)8714(Top 76%)8714(Top 178%)
20M20.00 mi1.36 mi21849+1568760+788760+7819869(Top 75%)7788(Top 68%)7788(Top 159%)
21M21.00 mi1.00 mi21705+1448688+728688+7218798(Top 71%)7230(Top 63%)7230(Top 148%)
35K21.75 mi0.75 mi21685+208690-28690-221167(Top 80%)8581(Top 75%)8581(Top 176%)
23M23.00 mi1.25 mi21610+758664+268664+2620725(Top 78%)8361(Top 73%)8361(Top 171%)
24M24.00 mi1.00 mi21587+238664866421248(Top 80%)8695(Top 76%)8695(Top 178%)
40K24.85 mi0.85 mi21544+438653+118653+1120304(Top 76%)8225(Top 72%)8225(Top 168%)
25.2M25.20 mi0.35 mi21510+348634+198634+1919566(Top 73%)7831(Top 69%)7831(Top 160%)
Finish26.22 mi1.02 mi21400+1108589+458589+4518611(Top 70%)7241(Top 63%)7241(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21830

Females

8692

F18-39

8692

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

22539

Females

9107

F18-39

9107

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21830

Females

8692

F18-39

8692

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21363

Females

8443

F18-39

8443

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

22197

Females

8884

F18-39

8884

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21690

Females

8665

F18-39

8665

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21659

Females

8714

F18-39

8714

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19869

Females

7788

F18-39

7788

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

18798

Females

7230

F18-39

7230

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21167

Females

8581

F18-39

8581

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20725

Females

8361

F18-39

8361

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21248

Females

8695

F18-39

8695

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20304

Females

8225

F18-39

8225

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19566

Females

7831

F18-39

7831

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18611

Females

7241

F18-39

7241

Passing Analysis

Category:
Athletes Passed
2061
Passed By
509
Net Change
+1552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22952
5K → 10K331153+178#22952#22774
10K → 15K33444+290#22774#22484
15K → 20K30431+273#22484#22211
20K → Half2514+11#22211#22200
Half → 25K16045+115#22200#22085
25K → 30K17696+80#22085#22005
30K → 20M16913+156#22005#21849
20M → 21M1484+144#21849#21705
21M → 35K4222+20#21705#21685
35K → 23M10126+75#21685#21610
23M → 24M5128+23#21610#21587
24M → 40K6421+43#21587#21544
40K → 25.2M384+34#21544#21510
25.2M → Finish1188+110#21510#21400
TOTALS2061509+1552
📊

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