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BOSTON MARATHON 2023

Beth Bailey

Bib: 30130•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
28:51
Rank: #21487
Start → 5K
28:51 | 9:17/mi
10K· 6.21 mi
56:11
Rank: #20811 (+676)
5K → 10K
27:20 | 8:48/mi
15K· 9.32 mi
1:22:54
Rank: #20097 (+714)
10K → 15K
26:43 | 8:36/mi
20K· 12.43 mi
1:50:15
Rank: #19711 (+386)
15K → 20K
27:21 | 8:48/mi
Half· 13.11 mi
1:56:11
Rank: #19671 (+40)
20K → Half
5:56 | 8:42/mi
25K· 15.53 mi
2:17:47
Rank: #19456 (+215)
Half → 25K
21:36 | 8:55/mi
30K· 18.64 mi
2:46:31
Rank: #19269 (+187)
25K → 30K
28:44 | 9:15/mi
20M
2:58:42
Rank: #19048 (+221)
30K → 20M
12:11 | 8:58/mi
21M
3:08:54
Rank: #19031 (+17)
20M → 21M
10:12 | 10:12/mi
35K· 21.75 mi
3:15:20
Rank: #18920 (+111)
21M → 35K
6:26 | 8:36/mi
23M
3:26:56
Rank: #18816 (+104)
35K → 23M
11:36 | 9:16/mi
24M
3:35:48
Rank: #18711 (+105)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:43:42
Rank: #18662 (+49)
24M → 40K
7:54 | 9:14/mi
25.2M
3:47:09
Rank: #18643 (+19)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:56:16
Rank: #18617 (+26)
25.2M → Finish
9:07 | 8:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:11
Pace8:52 /mi
2nd Half
Distance13.11 mi
Time2:00:05
Pace9:10 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5528:519:1728:51
9:17
-
10K
6.21 mi12:20:1556:119:0327:20
8:48
-0:29
15K
9.32 mi12:46:581:22:548:5426:43
8:36
-0:12
20K
12.43 mi13:14:191:50:158:5227:21
8:48
+0:12
Half
13.11 mi13:20:151:56:118:525:56
8:42
-0:06
25K
15.53 mi13:41:512:17:478:5221:36
8:55
+0:13
30K
18.64 mi14:10:352:46:318:5628:44
9:15
+0:20
20M
20.00 mi14:22:462:58:428:5612:11
8:58
-0:17
21M
21.00 mi14:32:583:08:549:0010:12
10:12
+1:14
35K
21.75 mi14:39:243:15:208:596:26
8:36
-1:36
23M
23.00 mi14:51:003:26:569:0011:36
9:16
+0:40
24M
24.00 mi14:59:523:35:489:008:52
8:52
-0:24
40K
24.85 mi15:07:463:43:429:007:54
9:14
+0:22
25.2M
25.20 mi15:11:133:47:099:013:27
10:00
+0:46
Finish
26.22 mi15:20:203:56:169:019:07
8:57
-1:03

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

8:36 /mi

Average Pace

9:01 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:42:37

94% of race

Time at Steady Pace

3:27

1% of race

Time at Slower Pace

10:12

4% of race

Average Pace: 9:01 /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 mi11:52:5528:519:1728:51
9:17
#21487
10K
6.21 mi12:20:1556:119:0327:20
8:48
#20811
15K
9.32 mi12:46:581:22:548:5426:43
8:36
#20097
20K
12.43 mi13:14:191:50:158:5227:21
8:48
#19711
Half
13.11 mi13:20:151:56:118:525:56
8:42
#19671
25K
15.53 mi13:41:512:17:478:5221:36
8:55
#19456
30K
18.64 mi14:10:352:46:318:5628:44
9:15
#19269
20M
20.00 mi14:22:462:58:428:5612:11
8:58
#19048
21M
21.00 mi14:32:583:08:549:0010:12
10:12
#19031
35K
21.75 mi14:39:243:15:208:596:26
8:36
#18920
23M
23.00 mi14:51:003:26:569:0011:36
9:16
#18816
24M
24.00 mi14:59:523:35:489:008:52
8:52
#18711
40K
24.85 mi15:07:463:43:429:007:54
9:14
#18662
25.2M
25.20 mi15:11:133:47:099:013:27
10:00
#18643
Finish
26.22 mi15:20:203:56:169:019:07
8:57
#18617
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi214878627862718453(Top 69%)6768(Top 59%)6768(Top 139%)
10K6.21 mi3.10 mi20811+6768209+4188209+41819921(Top 75%)7650(Top 67%)7650(Top 157%)
15K9.32 mi3.11 mi20097+7147794+4157794+41518453(Top 69%)6768(Top 59%)6768(Top 139%)
20K12.43 mi3.11 mi19711+3867550+2447550+24418709(Top 70%)6914(Top 61%)6914(Top 142%)
Half13.11 mi0.68 mi19671+407522+287522+2818968(Top 71%)7067(Top 62%)7067(Top 145%)
25K15.53 mi2.42 mi19456+2157394+1287394+12818513(Top 70%)6856(Top 60%)6856(Top 140%)
30K18.64 mi3.11 mi19269+1877296+987296+9818407(Top 69%)6869(Top 60%)6869(Top 141%)
20M20.00 mi1.36 mi19048+2217182+1147182+11416379(Top 62%)5804(Top 51%)5804(Top 119%)
21M21.00 mi1.00 mi19031+177185-37185-318728(Top 70%)7183(Top 63%)7183(Top 147%)
35K21.75 mi0.75 mi18920+1117131+547131+5415914(Top 60%)5649(Top 49%)5649(Top 116%)
23M23.00 mi1.25 mi18816+1047084+477084+4717379(Top 65%)6495(Top 57%)6495(Top 133%)
24M24.00 mi1.00 mi18711+1057033+517033+5116628(Top 62%)6158(Top 54%)6158(Top 126%)
40K24.85 mi0.85 mi18662+497016+177016+1717297(Top 65%)6569(Top 58%)6569(Top 135%)
25.2M25.20 mi0.35 mi18643+197013+37013+317457(Top 66%)6690(Top 59%)6690(Top 137%)
Finish26.22 mi1.02 mi18617+267001+127001+1217735(Top 67%)6779(Top 59%)6779(Top 139%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18453

Females

6768

F18-39

6768

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

19921

Females

7650

F18-39

7650

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18453

Females

6768

F18-39

6768

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18709

Females

6914

F18-39

6914

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18968

Females

7067

F18-39

7067

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18513

Females

6856

F18-39

6856

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18407

Females

6869

F18-39

6869

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16379

Females

5804

F18-39

5804

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18728

Females

7183

F18-39

7183

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15914

Females

5649

F18-39

5649

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17379

Females

6495

F18-39

6495

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16628

Females

6158

F18-39

6158

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17297

Females

6569

F18-39

6569

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17457

Females

6690

F18-39

6690

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17735

Females

6779

F18-39

6779

Passing Analysis

Category:
Athletes Passed
3297
Passed By
427
Net Change
+2870
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21487
5K → 10K74771+676#21487#20811
10K → 15K72511+714#20811#20097
15K → 20K41428+386#20097#19711
20K → Half5717+40#19711#19671
Half → 25K24530+215#19671#19456
25K → 30K26477+187#19456#19269
30K → 20M2287+221#19269#19048
20M → 21M8063+17#19048#19031
21M → 35K1143+111#19031#18920
35K → 23M13228+104#18920#18816
23M → 24M11712+105#18816#18711
24M → 40K6819+49#18711#18662
40K → 25.2M4223+19#18662#18643
25.2M → Finish6438+26#18643#18617
TOTALS3297427+2870
📊

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