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BOSTON MARATHON 2023

Claire Howard

Bib: 4049•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 21%
Gender (Female)
#0 / 11423
Top 5%
Masters (Masters Women)
#0 / 6539
Top 1%
Division (F50-54)
#0 / 1207
Top 0.1%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:27
Rank: #5610
Start → 5K
21:27 | 6:54/mi
10K· 6.21 mi
42:56
Rank: #5894 (-284)
5K → 10K
21:29 | 6:55/mi
15K· 9.32 mi
1:04:41
Rank: #6129 (-235)
10K → 15K
21:45 | 7:00/mi
20K· 12.43 mi
1:26:43
Rank: #6215 (-86)
15K → 20K
22:02 | 7:06/mi
Half· 13.11 mi
1:31:33
Rank: #6268 (-53)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:49:03
Rank: #6349 (-81)
Half → 25K
17:30 | 7:13/mi
30K· 18.64 mi
2:11:51
Rank: #6257 (+92)
25K → 30K
22:48 | 7:20/mi
20M
2:21:55
Rank: #6215 (+42)
30K → 20M
10:04 | 7:24/mi
21M
2:29:45
Rank: #6177 (+38)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:34:56
Rank: #6108 (+69)
21M → 35K
5:11 | 6:56/mi
23M
2:44:03
Rank: #6000 (+108)
35K → 23M
9:07 | 7:17/mi
24M
2:51:00
Rank: #5875 (+125)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:56:57
Rank: #5753 (+122)
24M → 40K
5:57 | 6:58/mi
25.2M
2:59:35
Rank: #5711 (+42)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:06:32
Rank: #5597 (+114)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:33
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:34:59
Pace7:15 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0521:276:5421:27
6:54
-
10K
6.21 mi10:48:3442:566:5521:29
6:55
+0:01
15K
9.32 mi11:10:191:04:416:5621:45
7:00
+0:05
20K
12.43 mi11:32:211:26:436:5922:02
7:06
+0:06
Half
13.11 mi11:37:111:31:336:594:50
7:05
-0:01
25K
15.53 mi11:54:411:49:037:0117:30
7:13
+0:08
30K
18.64 mi12:17:292:11:517:0422:48
7:20
+0:07
20M
20.00 mi12:27:332:21:557:0610:04
7:24
+0:04
21M
21.00 mi12:35:232:29:457:087:50
7:50
+0:26
35K
21.75 mi12:40:342:34:567:075:11
6:56
-0:54
23M
23.00 mi12:49:412:44:037:089:07
7:17
+0:21
24M
24.00 mi12:56:382:51:007:086:57
6:57
-0:20
40K
24.85 mi13:02:352:56:577:075:57
6:58
+0:01
25.2M
25.20 mi13:05:132:59:357:082:38
7:38
+0:40
Finish
26.22 mi13:12:103:06:327:076:57
6:49
-0:49

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

6:49 /mi

Average Pace

7:07 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:04

94% of race

Time at Steady Pace

10:28

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:07 /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 mi10:27:0521:276:5421:27
6:54
#5610
10K
6.21 mi10:48:3442:566:5521:29
6:55
#5894
15K
9.32 mi11:10:191:04:416:5621:45
7:00
#6129
20K
12.43 mi11:32:211:26:436:5922:02
7:06
#6215
Half
13.11 mi11:37:111:31:336:594:50
7:05
#6268
25K
15.53 mi11:54:411:49:037:0117:30
7:13
#6349
30K
18.64 mi12:17:292:11:517:0422:48
7:20
#6257
20M
20.00 mi12:27:332:21:557:0610:04
7:24
#6215
21M
21.00 mi12:35:232:29:457:087:50
7:50
#6177
35K
21.75 mi12:40:342:34:567:075:11
6:56
#6108
23M
23.00 mi12:49:412:44:037:089:07
7:17
#6000
24M
24.00 mi12:56:382:51:007:086:57
6:57
#5875
40K
24.85 mi13:02:352:56:577:075:57
6:58
#5753
25.2M
25.20 mi13:05:132:59:357:082:38
7:38
#5711
Finish
26.22 mi13:12:103:06:327:076:57
6:49
#5597
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi56104384386571(Top 25%)650(Top 6%)650(Top 54%)
10K6.21 mi3.10 mi5894-284485-47485-476263(Top 24%)586(Top 5%)586(Top 49%)
15K9.32 mi3.11 mi6129-235544-59544-596571(Top 25%)650(Top 6%)650(Top 54%)
20K12.43 mi3.11 mi6215-86565-21565-216518(Top 24%)656(Top 6%)656(Top 54%)
Half13.11 mi0.68 mi6268-53578-13578-137085(Top 27%)777(Top 7%)777(Top 64%)
25K15.53 mi2.42 mi6349-81601-23601-236786(Top 25%)777(Top 7%)777(Top 64%)
30K18.64 mi3.11 mi6257+92594+7594+76258(Top 24%)693(Top 6%)693(Top 57%)
20M20.00 mi1.36 mi6215+42595-1595-16238(Top 23%)758(Top 7%)758(Top 63%)
21M21.00 mi1.00 mi6177+38598-3598-36355(Top 24%)893(Top 8%)893(Top 74%)
35K21.75 mi0.75 mi6108+69584+14584+144987(Top 19%)502(Top 4%)502(Top 42%)
23M23.00 mi1.25 mi6000+108575+9575+95238(Top 20%)597(Top 5%)597(Top 49%)
24M24.00 mi1.00 mi5875+125557+18557+184446(Top 17%)427(Top 4%)427(Top 35%)
40K24.85 mi0.85 mi5753+122538+19538+193665(Top 14%)348(Top 3%)348(Top 29%)
25.2M25.20 mi0.35 mi5711+42536+2536+24630(Top 17%)602(Top 5%)602(Top 50%)
Finish26.22 mi1.02 mi5597+114523+13523+134219(Top 16%)505(Top 4%)505(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6571

Females

650

F50-54

650

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6263

Females

586

F50-54

586

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6571

Females

650

F50-54

650

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6518

Females

656

F50-54

656

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7085

Females

777

F50-54

777

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6786

Females

777

F50-54

777

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6258

Females

693

F50-54

693

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6238

Females

758

F50-54

758

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6355

Females

893

F50-54

893

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

4987

Females

502

F50-54

502

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5238

Females

597

F50-54

597

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4446

Females

427

F50-54

427

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3665

Females

348

F50-54

348

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4630

Females

602

F50-54

602

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4219

Females

505

F50-54

505

Passing Analysis

Category:
Athletes Passed
1201
Passed By
1188
Net Change
+13
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5610
5K → 10K87371-284#5610#5894
10K → 15K49284-235#5894#6129
15K → 20K66152-86#6129#6215
20K → Half558-53#6215#6268
Half → 25K56137-81#6268#6349
25K → 30K16371+92#6349#6257
30K → 20M7836+42#6257#6215
20M → 21M7436+38#6215#6177
21M → 35K778+69#6177#6108
35K → 23M12416+108#6108#6000
23M → 24M1294+125#6000#5875
24M → 40K1253+122#5875#5753
40K → 25.2M442+42#5753#5711
25.2M → Finish12410+114#5711#5597
TOTALS12011188+13
📊

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