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BOSTON MARATHON 2023

Sara Cherchia

Bib: 25336•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:30
Rank: #21137
Start → 5K
28:30 | 9:10/mi
10K· 6.21 mi
56:20
Rank: #20922 (+215)
5K → 10K
27:50 | 8:58/mi
15K· 9.32 mi
1:23:41
Rank: #20478 (+444)
10K → 15K
27:21 | 8:48/mi
20K· 12.43 mi
1:51:41
Rank: #20305 (+173)
15K → 20K
28:00 | 9:01/mi
Half· 13.11 mi
1:57:52
Rank: #20321 (-16)
20K → Half
6:11 | 9:04/mi
25K· 15.53 mi
2:20:42
Rank: #20388 (-67)
Half → 25K
22:50 | 9:25/mi
30K· 18.64 mi
2:50:59
Rank: #20349 (+39)
25K → 30K
30:17 | 9:45/mi
20M
3:04:33
Rank: #20357 (-8)
30K → 20M
13:34 | 9:59/mi
21M
3:14:59
Rank: #20278 (+79)
20M → 21M
10:26 | 10:26/mi
35K· 21.75 mi
3:22:11
Rank: #20272 (+6)
21M → 35K
7:12 | 9:37/mi
23M
3:34:46
Rank: #20260 (+12)
35K → 23M
12:35 | 10:03/mi
24M
3:44:08
Rank: #20203 (+57)
23M → 24M
9:22 | 9:22/mi
40K· 24.85 mi
3:52:18
Rank: #20141 (+62)
24M → 40K
8:10 | 9:33/mi
25.2M
3:55:40
Rank: #20090 (+51)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
4:04:19
Rank: #19955 (+135)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:52
Pace8:59 /mi
2nd Half
Distance13.11 mi
Time2:06:27
Pace9:39 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3828:309:1028:30
9:10
-
10K
6.21 mi12:12:2856:209:0427:50
8:58
-0:12
15K
9.32 mi12:39:491:23:418:5927:21
8:48
-0:10
20K
12.43 mi13:07:491:51:418:5928:00
9:01
+0:13
Half
13.11 mi13:14:001:57:528:596:11
9:04
+0:03
25K
15.53 mi13:36:502:20:429:0322:50
9:25
+0:21
30K
18.64 mi14:07:072:50:599:1030:17
9:45
+0:20
20M
20.00 mi14:20:413:04:339:1413:34
9:59
+0:14
21M
21.00 mi14:31:073:14:599:1710:26
10:26
+0:27
35K
21.75 mi14:38:193:22:119:187:12
9:37
-0:49
23M
23.00 mi14:50:543:34:469:2012:35
10:03
+0:26
24M
24.00 mi15:00:163:44:089:209:22
9:22
-0:41
40K
24.85 mi15:08:263:52:189:218:10
9:33
+0:11
25.2M
25.20 mi15:11:483:55:409:213:22
9:46
+0:13
Finish
26.22 mi15:20:274:04:199:208:39
8:29
-1:17

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

8:29 /mi

Average Pace

9:20 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:01

40% of race

Time at Steady Pace

1:16:04

31% of race

Time at Slower Pace

1:10:14

29% of race

Average Pace: 9:19 /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 mi11:44:3828:309:1028:30
9:10
#21137
10K
6.21 mi12:12:2856:209:0427:50
8:58
#20922
15K
9.32 mi12:39:491:23:418:5927:21
8:48
#20478
20K
12.43 mi13:07:491:51:418:5928:00
9:01
#20305
Half
13.11 mi13:14:001:57:528:596:11
9:04
#20321
25K
15.53 mi13:36:502:20:429:0322:50
9:25
#20388
30K
18.64 mi14:07:072:50:599:1030:17
9:45
#20349
20M
20.00 mi14:20:413:04:339:1413:34
9:59
#20357
21M
21.00 mi14:31:073:14:599:1710:26
10:26
#20278
35K
21.75 mi14:38:193:22:119:187:12
9:37
#20272
23M
23.00 mi14:50:543:34:469:2012:35
10:03
#20260
24M
24.00 mi15:00:163:44:089:209:22
9:22
#20203
40K
24.85 mi15:08:263:52:189:218:10
9:33
#20141
25.2M
25.20 mi15:11:483:55:409:213:22
9:46
#20090
Finish
26.22 mi15:20:274:04:199:208:39
8:29
#19955
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi211378440844019545(Top 73%)7411(Top 65%)7411(Top 395%)
10K6.21 mi3.10 mi20922+2158279+1618279+16120716(Top 78%)8100(Top 71%)8100(Top 431%)
15K9.32 mi3.11 mi20478+4448004+2758004+27519545(Top 73%)7411(Top 65%)7411(Top 395%)
20K12.43 mi3.11 mi20305+1737890+1147890+11419771(Top 74%)7540(Top 66%)7540(Top 401%)
Half13.11 mi0.68 mi20321-167899-97899-920720(Top 78%)8082(Top 71%)8082(Top 430%)
25K15.53 mi2.42 mi20388-677928-297928-2920566(Top 77%)8027(Top 70%)8027(Top 427%)
30K18.64 mi3.11 mi20349+397925+37925+320288(Top 76%)7931(Top 69%)7931(Top 422%)
20M20.00 mi1.36 mi20357-87945-207945-2020445(Top 77%)8101(Top 71%)8101(Top 431%)
21M21.00 mi1.00 mi20278+797911+347911+3419390(Top 73%)7574(Top 66%)7574(Top 403%)
35K21.75 mi0.75 mi20272+67913-27913-220233(Top 76%)8071(Top 71%)8071(Top 430%)
23M23.00 mi1.25 mi20260+127914-17914-120143(Top 76%)8040(Top 70%)8040(Top 428%)
24M24.00 mi1.00 mi20203+577894+207894+2018735(Top 70%)7298(Top 64%)7298(Top 389%)
40K24.85 mi0.85 mi20141+627866+287866+2818539(Top 70%)7243(Top 63%)7243(Top 386%)
25.2M25.20 mi0.35 mi20090+517844+227844+2216460(Top 62%)6154(Top 54%)6154(Top 328%)
Finish26.22 mi1.02 mi19955+1357767+777767+7715399(Top 58%)5492(Top 48%)5492(Top 292%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

19545

Females

7411

F40-44

7411

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20716

Females

8100

F40-44

8100

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

19545

Females

7411

F40-44

7411

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

19771

Females

7540

F40-44

7540

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20720

Females

8082

F40-44

8082

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20566

Females

8027

F40-44

8027

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20288

Females

7931

F40-44

7931

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20445

Females

8101

F40-44

8101

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19390

Females

7574

F40-44

7574

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20233

Females

8071

F40-44

8071

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20143

Females

8040

F40-44

8040

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18735

Females

7298

F40-44

7298

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18539

Females

7243

F40-44

7243

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16460

Females

6154

F40-44

6154

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15399

Females

5492

F40-44

5492

Passing Analysis

Category:
Athletes Passed
2069
Passed By
887
Net Change
+1182
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21137
5K → 10K398183+215#21137#20922
10K → 15K48440+444#20922#20478
15K → 20K25683+173#20478#20305
20K → Half2642-16#20305#20321
Half → 25K88155-67#20321#20388
25K → 30K171132+39#20388#20349
30K → 20M7684-8#20349#20357
20M → 21M11132+79#20357#20278
21M → 35K3731+6#20278#20272
35K → 23M7563+12#20272#20260
23M → 24M7720+57#20260#20203
24M → 40K7513+62#20203#20141
40K → 25.2M543+51#20141#20090
25.2M → Finish1416+135#20090#19955
TOTALS2069887+1182
📊

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