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BOSTON MARATHON 2023

Kelli Sansossio

Bib: 25772•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
33:14
Rank: #25175
Start → 5K
33:14 | 10:42/mi
10K· 6.21 mi
1:06:51
Rank: #25186 (-11)
5K → 10K
33:37 | 10:49/mi
15K· 9.32 mi
1:38:14
Rank: #24696 (+490)
10K → 15K
31:23 | 10:06/mi
20K· 12.43 mi
2:13:08
Rank: #24792 (-96)
15K → 20K
34:54 | 11:14/mi
Half· 13.11 mi
2:20:00
Rank: #24719 (+73)
20K → Half
6:52 | 10:04/mi
25K· 15.53 mi
2:47:14
Rank: #24653 (+66)
Half → 25K
27:14 | 11:14/mi
30K· 18.64 mi
3:21:49
Rank: #24410 (+243)
25K → 30K
34:35 | 11:08/mi
20M
3:37:20
Rank: #24313 (+97)
30K → 20M
15:31 | 11:25/mi
21M
3:49:57
Rank: #24263 (+50)
20M → 21M
12:37 | 12:37/mi
35K· 21.75 mi
3:57:25
Rank: #24190 (+73)
21M → 35K
7:28 | 9:59/mi
23M
4:10:46
Rank: #24068 (+122)
35K → 23M
13:21 | 10:40/mi
24M
4:21:09
Rank: #23994 (+74)
23M → 24M
10:23 | 10:23/mi
40K· 24.85 mi
4:30:06
Rank: #23905 (+89)
24M → 40K
8:57 | 10:28/mi
25.2M
4:34:24
Rank: #23903 (+2)
40K → 25.2M
4:18 | 12:28/mi
Finish· 26.22 mi
4:44:38
Rank: #23855 (+48)
25.2M → Finish
10:14 | 10:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:00
Pace10:41 /mi
2nd Half
Distance13.11 mi
Time2:24:38
Pace11:02 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:5733:1410:4233:14
10:42
-
10K
6.21 mi12:25:341:06:5110:4633:37
10:49
+0:07
15K
9.32 mi12:56:571:38:1410:3231:23
10:06
-0:43
20K
12.43 mi13:31:512:13:0810:4334:54
11:14
+1:08
Half
13.11 mi13:38:432:20:0010:416:52
10:04
-1:10
25K
15.53 mi14:05:572:47:1410:4627:14
11:14
+1:10
30K
18.64 mi14:40:323:21:4910:5034:35
11:08
-0:06
20M
20.00 mi14:56:033:37:2010:5215:31
11:25
+0:17
21M
21.00 mi15:08:403:49:5710:5712:37
12:37
+1:12
35K
21.75 mi15:16:083:57:2510:557:28
9:59
-2:38
23M
23.00 mi15:29:294:10:4610:5413:21
10:40
+0:41
24M
24.00 mi15:39:524:21:0910:5310:23
10:23
-0:17
40K
24.85 mi15:48:494:30:0610:528:57
10:28
+0:05
25.2M
25.20 mi15:53:074:34:2410:534:18
12:28
+2:00
Finish
26.22 mi16:03:214:44:3810:5210:14
10:03
-2:25

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

9:59 /mi

Average Pace

10:52 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

55:57

20% of race

Time at Steady Pace

1:39:32

35% of race

Time at Slower Pace

2:09:09

45% of race

Average Pace: 10:51 /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 mi11:51:5733:1410:4233:14
10:42
#25175
10K
6.21 mi12:25:341:06:5110:4633:37
10:49
#25186
15K
9.32 mi12:56:571:38:1410:3231:23
10:06
#24696
20K
12.43 mi13:31:512:13:0810:4334:54
11:14
#24792
Half
13.11 mi13:38:432:20:0010:416:52
10:04
#24719
25K
15.53 mi14:05:572:47:1410:4627:14
11:14
#24653
30K
18.64 mi14:40:323:21:4910:5034:35
11:08
#24410
20M
20.00 mi14:56:033:37:2010:5215:31
11:25
#24313
21M
21.00 mi15:08:403:49:5710:5712:37
12:37
#24263
35K
21.75 mi15:16:083:57:2510:557:28
9:59
#24190
23M
23.00 mi15:29:294:10:4610:5413:21
10:40
#24068
24M
24.00 mi15:39:524:21:0910:5310:23
10:23
#23994
40K
24.85 mi15:48:494:30:0610:528:57
10:28
#23905
25.2M
25.20 mi15:53:074:34:2410:534:18
12:28
#23903
Finish
26.22 mi16:03:214:44:3810:5210:14
10:03
#23855
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25175105291052923702(Top 89%)9727(Top 85%)9727(Top 199%)
10K6.21 mi3.10 mi25186-1110535-610535-625217(Top 95%)10559(Top 92%)10559(Top 216%)
15K9.32 mi3.11 mi24696+49010279+25610279+25623702(Top 89%)9727(Top 85%)9727(Top 199%)
20K12.43 mi3.11 mi24792-9610336-5710336-5724930(Top 94%)10439(Top 91%)10439(Top 214%)
Half13.11 mi0.68 mi24719+7310301+3510301+3523429(Top 88%)9596(Top 84%)9596(Top 196%)
25K15.53 mi2.42 mi24653+6610277+2410277+2424318(Top 91%)10125(Top 89%)10125(Top 207%)
30K18.64 mi3.11 mi24410+24310155+12210155+12223310(Top 88%)9635(Top 84%)9635(Top 197%)
20M20.00 mi1.36 mi24313+9710112+4310112+4323395(Top 88%)9732(Top 85%)9732(Top 199%)
21M21.00 mi1.00 mi24263+5010094+1810094+1823616(Top 89%)9871(Top 86%)9871(Top 202%)
35K21.75 mi0.75 mi24190+7310060+3410060+3421244(Top 80%)8632(Top 76%)8632(Top 177%)
23M23.00 mi1.25 mi24068+1229997+639997+6321692(Top 81%)8905(Top 78%)8905(Top 182%)
24M24.00 mi1.00 mi23994+749963+349963+3421778(Top 82%)8999(Top 79%)8999(Top 184%)
40K24.85 mi0.85 mi23905+899922+419922+4121160(Top 79%)8707(Top 76%)8707(Top 178%)
25.2M25.20 mi0.35 mi23903+29924-29924-223257(Top 87%)9803(Top 86%)9803(Top 201%)
Finish26.22 mi1.02 mi23855+489896+289896+2821894(Top 82%)9065(Top 79%)9065(Top 186%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23702

Females

9727

F18-39

9727

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

25217

Females

10559

F18-39

10559

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23702

Females

9727

F18-39

9727

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

24930

Females

10439

F18-39

10439

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23429

Females

9596

F18-39

9596

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24318

Females

10125

F18-39

10125

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

23310

Females

9635

F18-39

9635

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23395

Females

9732

F18-39

9732

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23616

Females

9871

F18-39

9871

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21244

Females

8632

F18-39

8632

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

21692

Females

8905

F18-39

8905

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21778

Females

8999

F18-39

8999

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21160

Females

8707

F18-39

8707

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23257

Females

9803

F18-39

9803

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21894

Females

9065

F18-39

9065

Passing Analysis

Category:
Athletes Passed
1763
Passed By
443
Net Change
+1320
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25175
5K → 10K157168-11#25175#25186
10K → 15K4933+490#25186#24696
15K → 20K69165-96#24696#24792
20K → Half741+73#24792#24719
Half → 25K10337+66#24719#24653
25K → 30K25310+243#24653#24410
30K → 20M11316+97#24410#24313
20M → 21M7020+50#24313#24263
21M → 35K741+73#24263#24190
35K → 23M1242+122#24190#24068
23M → 24M751+74#24068#23994
24M → 40K912+89#23994#23905
40K → 25.2M97+2#23905#23903
25.2M → Finish5810+48#23903#23855
TOTALS1763443+1320
📊

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