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BOSTON MARATHON 2023

Claire Howard

Bib: 4049 F GB

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:54/mi
21:27
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:55/mi
42:56
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:00/mi
1:04:41
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:06/mi
1:26:43
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:05/mi
1:31:33
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:13/mi
1:49:03
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:20/mi
2:11:51
↑ 181↓ 1480.2%
138 ft elev
20M
7:24/mi
2:21:55
↑ 64↓ 500.2%
148 ft elev
21M
7:50/mi
2:29:45
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:56/mi
2:34:56
↑ 17↓ 861.7%
156 ft elev
23M
7:17/mi
2:44:03
↑ 23↓ 630.6%
116 ft elev
24M
6:57/mi
2:51:00
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:58/mi
2:56:57
↓ 200.3%
20 ft elev
25.2M
7:38/mi
2:59:35
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:49/mi
3:06:32
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:31:336:59 /mi⚡ faster
2nd Half
1:34:597:15 /mi+3.8%
Positive split — 3.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:276:543.11 mi21:27
6:54
-
10K
42:566:553.10 mi21:29
6:55
+0:01
15K
1:04:416:563.11 mi21:45
7:00
+0:05
20K
1:26:436:593.11 mi22:02
7:06
+0:06
Half(13.11 mi)
1:31:336:590.68 mi4:50
7:05
-0:01
25K
1:49:037:012.42 mi17:30
7:13
+0:08
30K
2:11:517:043.11 mi22:48
7:20
+0:07
20M
2:21:557:061.36 mi10:04
7:24
+0:04
21M
2:29:457:081.00 mi7:50
7:50
+0:26
35K
2:34:567:070.75 mi5:11
6:56
-0:54
23M
2:44:037:081.25 mi9:07
7:17
+0:21
24M
2:51:007:081.00 mi6:57
6:57
-0:20
40K
2:56:577:070.85 mi5:57
6:58
+0:01
25.2M
2:59:357:080.35 mi2:38
7:38
+0:40
Finish(26.22 mi)
3:06:327:071.02 mi6:57
6:49
-0:49
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:49 /mi

Average Pace

7:07 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

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

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi56104384386571650650
10K3.10 mi5894-284485-47485-476263586586
15K3.11 mi6129-235544-59544-596571650650
20K3.11 mi6215-86565-21565-216518656656
Half(13.11 mi)0.68 mi6268-53578-13578-137085777777
25K2.42 mi6349-81601-23601-236786777777
30K3.11 mi6257+92594+7594+76258693693
20M1.36 mi6215+42595-1595-16238758758
21M1.00 mi6177+38598-3598-36355893893
35K0.75 mi6108+69584+14584+144987502502
23M1.25 mi6000+108575+9575+95238597597
24M1.00 mi5875+125557+18557+184446427427
40K0.85 mi5753+122538+19538+193665348348
25.2M0.35 mi5711+42536+2536+24630602602
Finish(26.22 mi)1.02 mi5597+114523+13523+134219505505

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21story building
+97ft-345ft

Overall

6571

Females

650

F50-54

650

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6263

Females

586

F50-54

586

10K→15K

6.2 - 9.3 mi

Top 25%
×3story building
+67ft-78ft

Overall

6571

Females

650

F50-54

650

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6518

Females

656

F50-54

656

20K→Half

12.4 - 13.1 mi

Top 27%
×2story building
+19ft-37ft

Overall

7085

Females

777

F50-54

777

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

6786

Females

777

F50-54

777

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6258

Females

693

F50-54

693

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6238

Females

758

F50-54

758

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6355

Females

893

F50-54

893

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

4987

Females

502

F50-54

502

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5238

Females

597

F50-54

597

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+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%
×2story building
+22ft-21ft

Overall

4219

Females

505

F50-54

505

Passing Analysis

Category:
Passed
1201
Passed By
1188
Net Change
+13
SegmentPassedPassed 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 Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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