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BOSTON MARATHON 2023

Sarah Decarpentrie

Bib: 9677•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 4%
Division (F18-39)
#0 / 4884
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:34
Rank: #7895
Start → 5K
22:34 | 7:16/mi
10K· 6.21 mi
44:47
Rank: #7816 (+79)
5K → 10K
22:13 | 7:09/mi
15K· 9.32 mi
1:07:20
Rank: #7931 (-115)
10K → 15K
22:33 | 7:15/mi
20K· 12.43 mi
1:29:49
Rank: #7755 (+176)
15K → 20K
22:29 | 7:14/mi
Half· 13.11 mi
1:34:39
Rank: #7701 (+54)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:52:03
Rank: #7456 (+245)
Half → 25K
17:24 | 7:11/mi
30K· 18.64 mi
2:14:24
Rank: #7049 (+407)
25K → 30K
22:21 | 7:12/mi
20M
2:24:04
Rank: #6863 (+186)
30K → 20M
9:40 | 7:07/mi
21M
2:31:22
Rank: #6636 (+227)
20M → 21M
7:18 | 7:18/mi
35K· 21.75 mi
2:36:24
Rank: #6498 (+138)
21M → 35K
5:02 | 6:44/mi
23M
2:45:07
Rank: #6275 (+223)
35K → 23M
8:43 | 6:58/mi
24M
2:51:56
Rank: #6105 (+170)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:57:34
Rank: #5891 (+214)
24M → 40K
5:38 | 6:35/mi
25.2M
2:59:56
Rank: #5788 (+103)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
3:06:14
Rank: #5528 (+260)
25.2M → Finish
6:18 | 6:11/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:34:39
Pace7:13 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:31:35
Pace6:59 /mi
📊Negative Split: 3.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1822:347:1622:34
7:16
-
10K
6.21 mi11:10:3144:477:1222:13
7:09
-0:07
15K
9.32 mi11:33:041:07:207:1322:33
7:15
+0:06
20K
12.43 mi11:55:331:29:497:1422:29
7:14
-0:01
Half
13.11 mi12:00:231:34:397:134:50
7:05
-0:09
25K
15.53 mi12:17:471:52:037:1317:24
7:11
+0:06
30K
18.64 mi12:40:082:14:247:1322:21
7:12
+0:01
20M
20.00 mi12:49:482:24:047:129:40
7:07
-0:05
21M
21.00 mi12:57:062:31:227:127:18
7:18
+0:11
35K
21.75 mi13:02:082:36:247:115:02
6:44
-0:34
23M
23.00 mi13:10:512:45:077:118:43
6:58
+0:14
24M
24.00 mi13:17:402:51:567:106:49
6:49
-0:09
40K
24.85 mi13:23:182:57:347:095:38
6:35
-0:14
25.2M
25.20 mi13:25:402:59:567:082:22
6:52
+0:17
Finish
26.22 mi13:31:583:06:147:066:18
6:11
-0:41

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

6:11 /mi

Average Pace

7:06 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

16:58

9% of race

Time at Steady Pace

2:41:58

87% of race

Time at Slower Pace

7:18

4% of race

Average Pace: 7:06 /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 mi10:48:1822:347:1622:34
7:16
#7895
10K
6.21 mi11:10:3144:477:1222:13
7:09
#7816
15K
9.32 mi11:33:041:07:207:1322:33
7:15
#7931
20K
12.43 mi11:55:331:29:497:1422:29
7:14
#7755
Half
13.11 mi12:00:231:34:397:134:50
7:05
#7701
25K
15.53 mi12:17:471:52:037:1317:24
7:11
#7456
30K
18.64 mi12:40:082:14:247:1322:21
7:12
#7049
20M
20.00 mi12:49:482:24:047:129:40
7:07
#6863
21M
21.00 mi12:57:062:31:227:127:18
7:18
#6636
35K
21.75 mi13:02:082:36:247:115:02
6:44
#6498
23M
23.00 mi13:10:512:45:077:118:43
6:58
#6275
24M
24.00 mi13:17:402:51:567:106:49
6:49
#6105
40K
24.85 mi13:23:182:57:347:095:38
6:35
#5891
25.2M
25.20 mi13:25:402:59:567:082:22
6:52
#5788
Finish
26.22 mi13:31:583:06:147:066:18
6:11
#5528
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi78959769768238(Top 31%)1153(Top 10%)1153(Top 24%)
10K6.21 mi3.10 mi7816+79953+23953+237781(Top 29%)974(Top 9%)974(Top 20%)
15K9.32 mi3.11 mi7931-1151007-541007-548238(Top 31%)1153(Top 10%)1153(Top 24%)
20K12.43 mi3.11 mi7755+176963+44963+447344(Top 28%)877(Top 8%)877(Top 18%)
Half13.11 mi0.68 mi7701+54949+14949+147083(Top 27%)775(Top 7%)775(Top 16%)
25K15.53 mi2.42 mi7456+245879+70879+706546(Top 25%)705(Top 6%)705(Top 14%)
30K18.64 mi3.11 mi7049+407789+90789+905464(Top 21%)491(Top 4%)491(Top 10%)
20M20.00 mi1.36 mi6863+186756+33756+334707(Top 18%)403(Top 4%)403(Top 8%)
21M21.00 mi1.00 mi6636+227719+37719+373641(Top 14%)263(Top 2%)263(Top 5%)
35K21.75 mi0.75 mi6498+138688+31688+313789(Top 14%)299(Top 3%)299(Top 6%)
23M23.00 mi1.25 mi6275+223637+51637+513616(Top 14%)272(Top 2%)272(Top 6%)
24M24.00 mi1.00 mi6105+170607+30607+303775(Top 14%)319(Top 3%)319(Top 7%)
40K24.85 mi0.85 mi5891+214571+36571+361910(Top 7%)117(Top 1%)117(Top 2%)
25.2M25.20 mi0.35 mi5788+103552+19552+191392(Top 5%)81(Top 0.7%)81(Top 2%)
Finish26.22 mi1.02 mi5528+260501+51501+511245(Top 5%)66(Top 0.6%)66(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8238

Females

1153

F18-39

1153

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7781

Females

974

F18-39

974

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8238

Females

1153

F18-39

1153

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7344

Females

877

F18-39

877

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7083

Females

775

F18-39

775

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6546

Females

705

F18-39

705

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5464

Females

491

F18-39

491

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4707

Females

403

F18-39

403

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3641

Females

263

F18-39

263

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3789

Females

299

F18-39

299

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3616

Females

272

F18-39

272

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3775

Females

319

F18-39

319

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1910

Females

117

F18-39

117

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1392

Females

81

F18-39

81

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1245

Females

66

F18-39

66

Passing Analysis

Category:
Athletes Passed
2829
Passed By
462
Net Change
+2367
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7895
5K → 10K272193+79#7895#7816
10K → 15K94209-115#7816#7931
15K → 20K20933+176#7931#7755
20K → Half584+54#7755#7701
Half → 25K25611+245#7701#7456
25K → 30K4147+407#7456#7049
30K → 20M1871+186#7049#6863
20M → 21M2281+227#6863#6636
21M → 35K1380+138#6636#6498
35K → 23M2241+223#6498#6275
23M → 24M1722+170#6275#6105
24M → 40K2140+214#6105#5891
40K → 25.2M1030+103#5891#5788
25.2M → Finish2600+260#5788#5528
TOTALS2829462+2367
📊

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