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BOSTON MARATHON 2023

Mary Churchill

Bib: 19599•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 34%
Masters (Masters Women)
#0 / 6539
Top 20%
Division (F45-49)
#0 / 1817
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:25
Rank: #15324
Start → 5K
25:25 | 8:11/mi
10K· 6.21 mi
50:33
Rank: #15349 (-25)
5K → 10K
25:08 | 8:05/mi
15K· 9.32 mi
1:15:18
Rank: #14980 (+369)
10K → 15K
24:45 | 7:58/mi
20K· 12.43 mi
1:40:23
Rank: #14709 (+271)
15K → 20K
25:05 | 8:04/mi
Half· 13.11 mi
1:45:53
Rank: #14708 (+1)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:05:30
Rank: #14492 (+216)
Half → 25K
19:37 | 8:05/mi
30K· 18.64 mi
2:31:09
Rank: #14165 (+327)
25K → 30K
25:39 | 8:15/mi
20M
2:42:23
Rank: #13990 (+175)
30K → 20M
11:14 | 8:16/mi
21M
2:51:01
Rank: #13790 (+200)
20M → 21M
8:38 | 8:38/mi
35K· 21.75 mi
2:57:02
Rank: #13718 (+72)
21M → 35K
6:01 | 8:03/mi
23M
3:07:24
Rank: #13573 (+145)
35K → 23M
10:22 | 8:17/mi
24M
3:15:29
Rank: #13460 (+113)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:22:34
Rank: #13374 (+86)
24M → 40K
7:05 | 8:17/mi
25.2M
3:25:37
Rank: #13328 (+46)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:33:52
Rank: #13303 (+25)
25.2M → Finish
8:15 | 8:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:53
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:47:59
Pace8:14 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5525:258:1125:25
8:11
-
10K
6.21 mi11:47:0350:338:0825:08
8:05
-0:06
15K
9.32 mi12:11:481:15:188:0524:45
7:58
-0:07
20K
12.43 mi12:36:531:40:238:0525:05
8:04
+0:06
Half
13.11 mi12:42:231:45:538:055:30
8:04
0:00
25K
15.53 mi13:02:002:05:308:0519:37
8:05
+0:01
30K
18.64 mi13:27:392:31:098:0725:39
8:15
+0:10
20M
20.00 mi13:38:532:42:238:0711:14
8:16
+0:01
21M
21.00 mi13:47:312:51:018:098:38
8:38
+0:22
35K
21.75 mi13:53:322:57:028:086:01
8:03
-0:35
23M
23.00 mi14:03:543:07:248:0910:22
8:17
+0:14
24M
24.00 mi14:11:593:15:298:098:05
8:05
-0:12
40K
24.85 mi14:19:043:22:348:097:05
8:17
+0:12
25.2M
25.20 mi14:22:073:25:378:103:03
8:51
+0:34
Finish
26.22 mi14:30:223:33:528:108:15
8:06
-0:45

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

7:58 /mi

Average Pace

8:10 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:30:49

99% of race

Time at Steady Pace

3:03

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:09 /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 mi11:21:5525:258:1125:25
8:11
#15324
10K
6.21 mi11:47:0350:338:0825:08
8:05
#15349
15K
9.32 mi12:11:481:15:188:0524:45
7:58
#14980
20K
12.43 mi12:36:531:40:238:0525:05
8:04
#14709
Half
13.11 mi12:42:231:45:538:055:30
8:04
#14708
25K
15.53 mi13:02:002:05:308:0519:37
8:05
#14492
30K
18.64 mi13:27:392:31:098:0725:39
8:15
#14165
20M
20.00 mi13:38:532:42:238:0711:14
8:16
#13990
21M
21.00 mi13:47:312:51:018:098:38
8:38
#13790
35K
21.75 mi13:53:322:57:028:086:01
8:03
#13718
23M
23.00 mi14:03:543:07:248:0910:22
8:17
#13573
24M
24.00 mi14:11:593:15:298:098:05
8:05
#13460
40K
24.85 mi14:19:043:22:348:097:05
8:17
#13374
25.2M
25.20 mi14:22:073:25:378:103:03
8:51
#13328
Finish
26.22 mi14:30:223:33:528:108:15
8:06
#13303
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi153244844484414117(Top 53%)4153(Top 36%)4153(Top 229%)
10K6.21 mi3.10 mi15349-254869-254869-2515442(Top 58%)4928(Top 43%)4928(Top 271%)
15K9.32 mi3.11 mi14980+3694650+2194650+21914117(Top 53%)4153(Top 36%)4153(Top 229%)
20K12.43 mi3.11 mi14709+2714501+1494501+14914058(Top 53%)4140(Top 36%)4140(Top 228%)
Half13.11 mi0.68 mi14708+14501450114859(Top 56%)4579(Top 40%)4579(Top 252%)
25K15.53 mi2.42 mi14492+2164396+1054396+10513458(Top 51%)3897(Top 34%)3897(Top 214%)
30K18.64 mi3.11 mi14165+3274241+1554241+15512738(Top 48%)3604(Top 32%)3604(Top 198%)
20M20.00 mi1.36 mi13990+1754161+804161+8012170(Top 46%)3378(Top 30%)3378(Top 186%)
21M21.00 mi1.00 mi13790+2004050+1114050+11111300(Top 42%)3039(Top 27%)3039(Top 167%)
35K21.75 mi0.75 mi13718+724018+324018+3212467(Top 47%)3686(Top 32%)3686(Top 203%)
23M23.00 mi1.25 mi13573+1453959+593959+5911781(Top 44%)3403(Top 30%)3403(Top 187%)
24M24.00 mi1.00 mi13460+1133915+443915+4411865(Top 45%)3527(Top 31%)3527(Top 194%)
40K24.85 mi0.85 mi13374+863888+273888+2711960(Top 45%)3650(Top 32%)3650(Top 201%)
25.2M25.20 mi0.35 mi13328+463872+163872+1611667(Top 44%)3563(Top 31%)3563(Top 196%)
Finish26.22 mi1.02 mi13303+253877-53877-512772(Top 48%)4096(Top 36%)4096(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14117

Females

4153

F45-49

4153

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

15442

Females

4928

F45-49

4928

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14117

Females

4153

F45-49

4153

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14058

Females

4140

F45-49

4140

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14859

Females

4579

F45-49

4579

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13458

Females

3897

F45-49

3897

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12738

Females

3604

F45-49

3604

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12170

Females

3378

F45-49

3378

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11300

Females

3039

F45-49

3039

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

12467

Females

3686

F45-49

3686

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11781

Females

3403

F45-49

3403

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11865

Females

3527

F45-49

3527

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11960

Females

3650

F45-49

3650

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11667

Females

3563

F45-49

3563

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12772

Females

4096

F45-49

4096

Passing Analysis

Category:
Athletes Passed
2754
Passed By
733
Net Change
+2021
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15324
5K → 10K296321-25#15324#15349
10K → 15K42354+369#15349#14980
15K → 20K32655+271#14980#14709
20K → Half3130+1#14709#14708
Half → 25K26044+216#14708#14492
25K → 30K37548+327#14492#14165
30K → 20M19419+175#14165#13990
20M → 21M21515+200#13990#13790
21M → 35K8715+72#13790#13718
35K → 23M17126+145#13718#13573
23M → 24M13320+113#13573#13460
24M → 40K10822+86#13460#13374
40K → 25.2M5711+46#13374#13328
25.2M → Finish7853+25#13328#13303
TOTALS2754733+2021
📊

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