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BOSTON MARATHON 2023

Alexandra Sweeney

Bib: 19213•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 50%
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
26:54
Rank: #18625
Start → 5K
26:54 | 8:39/mi
10K· 6.21 mi
52:46
Rank: #17862 (+763)
5K → 10K
25:52 | 8:20/mi
15K· 9.32 mi
1:18:35
Rank: #17403 (+459)
10K → 15K
25:49 | 8:19/mi
20K· 12.43 mi
1:44:33
Rank: #17031 (+372)
15K → 20K
25:58 | 8:21/mi
Half· 13.11 mi
1:50:07
Rank: #16951 (+80)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:10:13
Rank: #16630 (+321)
Half → 25K
20:06 | 8:17/mi
30K· 18.64 mi
2:38:37
Rank: #16828 (-198)
25K → 30K
28:24 | 9:08/mi
20M
2:50:25
Rank: #16669 (+159)
30K → 20M
11:48 | 8:41/mi
21M
2:59:38
Rank: #16512 (+157)
20M → 21M
9:13 | 9:13/mi
35K· 21.75 mi
3:06:04
Rank: #16483 (+29)
21M → 35K
6:26 | 8:36/mi
23M
3:17:15
Rank: #16431 (+52)
35K → 23M
11:11 | 8:56/mi
24M
3:26:06
Rank: #16445 (-14)
23M → 24M
8:51 | 8:51/mi
40K· 24.85 mi
3:33:50
Rank: #16409 (+36)
24M → 40K
7:44 | 9:03/mi
25.2M
3:37:16
Rank: #16417 (-8)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:45:53
Rank: #16342 (+75)
25.2M → Finish
8:37 | 8:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:07
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:55:46
Pace8:50 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3226:548:3926:54
8:39
-
10K
6.21 mi11:48:2452:468:3025:52
8:20
-0:19
15K
9.32 mi12:14:131:18:358:2625:49
8:19
-0:01
20K
12.43 mi12:40:111:44:338:2525:58
8:21
+0:02
Half
13.11 mi12:45:451:50:078:245:34
8:10
-0:11
25K
15.53 mi13:05:512:10:138:2320:06
8:17
+0:07
30K
18.64 mi13:34:152:38:378:3128:24
9:08
+0:51
20M
20.00 mi13:46:032:50:258:3111:48
8:41
-0:27
21M
21.00 mi13:55:162:59:388:339:13
9:13
+0:32
35K
21.75 mi14:01:423:06:048:336:26
8:36
-0:37
23M
23.00 mi14:12:533:17:158:3511:11
8:56
+0:20
24M
24.00 mi14:21:443:26:068:358:51
8:51
-0:05
40K
24.85 mi14:29:283:33:508:367:44
9:03
+0:12
25.2M
25.20 mi14:32:543:37:168:373:26
9:57
+0:54
Finish
26.22 mi14:41:313:45:538:378:37
8:27
-1:30

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

8:10 /mi

Average Pace

8:37 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:19

46% of race

Time at Steady Pace

1:02:36

28% of race

Time at Slower Pace

59:58

27% of race

Average Pace: 8:37 /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 mi11:22:3226:548:3926:54
8:39
#18625
10K
6.21 mi11:48:2452:468:3025:52
8:20
#17862
15K
9.32 mi12:14:131:18:358:2625:49
8:19
#17403
20K
12.43 mi12:40:111:44:338:2525:58
8:21
#17031
Half
13.11 mi12:45:451:50:078:245:34
8:10
#16951
25K
15.53 mi13:05:512:10:138:2320:06
8:17
#16630
30K
18.64 mi13:34:152:38:378:3128:24
9:08
#16828
20M
20.00 mi13:46:032:50:258:3111:48
8:41
#16669
21M
21.00 mi13:55:162:59:388:339:13
9:13
#16512
35K
21.75 mi14:01:423:06:048:336:26
8:36
#16483
23M
23.00 mi14:12:533:17:158:3511:11
8:56
#16431
24M
24.00 mi14:21:443:26:068:358:51
8:51
#16445
40K
24.85 mi14:29:283:33:508:367:44
9:03
#16409
25.2M
25.20 mi14:32:543:37:168:373:26
9:57
#16417
Finish
26.22 mi14:41:313:45:538:378:37
8:27
#16342
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi186256948694816604(Top 62%)5670(Top 50%)5670(Top 116%)
10K6.21 mi3.10 mi17862+7636441+5076441+50717103(Top 64%)5935(Top 52%)5935(Top 122%)
15K9.32 mi3.11 mi17403+4596159+2826159+28216604(Top 62%)5670(Top 50%)5670(Top 116%)
20K12.43 mi3.11 mi17031+3725945+2145945+21415999(Top 60%)5346(Top 47%)5346(Top 109%)
Half13.11 mi0.68 mi16951+805899+465899+4615578(Top 59%)5050(Top 44%)5050(Top 103%)
25K15.53 mi2.42 mi16630+3215716+1835716+18314913(Top 56%)4780(Top 42%)4780(Top 98%)
30K18.64 mi3.11 mi16828-1985863-1475863-14717887(Top 67%)6581(Top 58%)6581(Top 135%)
20M20.00 mi1.36 mi16669+1595793+705793+7014783(Top 56%)4883(Top 43%)4883(Top 100%)
21M21.00 mi1.00 mi16512+1575716+775716+7714597(Top 55%)4827(Top 42%)4827(Top 99%)
35K21.75 mi0.75 mi16483+295704+125704+1215882(Top 60%)5617(Top 49%)5617(Top 115%)
23M23.00 mi1.25 mi16431+525690+145690+1415713(Top 59%)5582(Top 49%)5582(Top 114%)
24M24.00 mi1.00 mi16445-145720-305720-3016509(Top 62%)6085(Top 53%)6085(Top 125%)
40K24.85 mi0.85 mi16409+365723-35723-316411(Top 62%)6084(Top 53%)6084(Top 125%)
25.2M25.20 mi0.35 mi16417-85730-75730-717220(Top 65%)6546(Top 57%)6546(Top 134%)
Finish26.22 mi1.02 mi16342+755686+445686+4415162(Top 57%)5351(Top 47%)5351(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16604

Females

5670

F18-39

5670

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17103

Females

5935

F18-39

5935

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16604

Females

5670

F18-39

5670

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15999

Females

5346

F18-39

5346

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15578

Females

5050

F18-39

5050

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14913

Females

4780

F18-39

4780

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

17887

Females

6581

F18-39

6581

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14783

Females

4883

F18-39

4883

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

14597

Females

4827

F18-39

4827

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15882

Females

5617

F18-39

5617

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15713

Females

5582

F18-39

5582

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16509

Females

6085

F18-39

6085

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16411

Females

6084

F18-39

6084

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17220

Females

6546

F18-39

6546

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

15162

Females

5351

F18-39

5351

Passing Analysis

Category:
Athletes Passed
3141
Passed By
858
Net Change
+2283
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18625
5K → 10K884121+763#18625#17862
10K → 15K51556+459#17862#17403
15K → 20K40533+372#17403#17031
20K → Half844+80#17031#16951
Half → 25K33211+321#16951#16630
25K → 30K122320-198#16630#16828
30K → 20M17516+159#16828#16669
20M → 21M17518+157#16669#16512
21M → 35K5930+29#16512#16483
35K → 23M11159+52#16483#16431
23M → 24M5872-14#16431#16445
24M → 40K9256+36#16445#16409
40K → 25.2M2634-8#16409#16417
25.2M → Finish10328+75#16417#16342
TOTALS3141858+2283
📊

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