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BOSTON MARATHON 2023

Haley Seaward

Bib: 11401•F

NY

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Female)
#0 / 11423
Top 4%
Division (F18-39)
#0 / 4884
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:51
Rank: #6466
Start → 5K
21:51 | 7:02/mi
10K· 6.21 mi
43:24
Rank: #6426 (+40)
5K → 10K
21:33 | 6:56/mi
15K· 9.32 mi
1:04:58
Rank: #6324 (+102)
10K → 15K
21:34 | 6:56/mi
20K· 12.43 mi
1:26:50
Rank: #6280 (+44)
15K → 20K
21:52 | 7:02/mi
Half· 13.11 mi
1:31:42
Rank: #6335 (-55)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:49:00
Rank: #6327 (+8)
Half → 25K
17:18 | 7:08/mi
30K· 18.64 mi
2:12:57
Rank: #6582 (-255)
25K → 30K
23:57 | 7:43/mi
20M
2:22:25
Rank: #6355 (+227)
30K → 20M
9:28 | 6:58/mi
21M
2:29:29
Rank: #6111 (+244)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:34:24
Rank: #5951 (+160)
21M → 35K
4:55 | 6:34/mi
23M
2:43:04
Rank: #5763 (+188)
35K → 23M
8:40 | 6:55/mi
24M
2:49:37
Rank: #5553 (+210)
23M → 24M
6:33 | 6:33/mi
40K· 24.85 mi
2:55:15
Rank: #5348 (+205)
24M → 40K
5:38 | 6:35/mi
25.2M
2:57:44
Rank: #5281 (+67)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
3:04:16
Rank: #5096 (+185)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:31:42
Pace7:00 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:32:34
Pace7:04 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4921:517:0221:51
7:02
-
10K
6.21 mi11:10:2243:246:5921:33
6:56
-0:06
15K
9.32 mi11:31:561:04:586:5821:34
6:56
0:00
20K
12.43 mi11:53:481:26:506:5921:52
7:02
+0:06
Half
13.11 mi11:58:401:31:427:004:52
7:08
+0:06
25K
15.53 mi12:15:581:49:007:0117:18
7:08
0:00
30K
18.64 mi12:39:552:12:577:0823:57
7:43
+0:35
20M
20.00 mi12:49:232:22:257:079:28
6:58
-0:45
21M
21.00 mi12:56:272:29:297:077:04
7:04
+0:06
35K
21.75 mi13:01:222:34:247:064:55
6:34
-0:30
23M
23.00 mi13:10:022:43:047:058:40
6:55
+0:21
24M
24.00 mi13:16:352:49:377:046:33
6:33
-0:22
40K
24.85 mi13:22:132:55:157:035:38
6:35
+0:02
25.2M
25.20 mi13:24:422:57:447:032:29
7:12
+0:37
Finish
26.22 mi13:31:143:04:167:026:32
6:25
-0:47

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

6:25 /mi

Average Pace

7:02 /mi

Slowest Pace

7:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

23:38

13% of race

Time at Steady Pace

1:52:02

61% of race

Time at Slower Pace

48:36

26% of race

Average Pace: 7:02 /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 mi10:48:4921:517:0221:51
7:02
#6466
10K
6.21 mi11:10:2243:246:5921:33
6:56
#6426
15K
9.32 mi11:31:561:04:586:5821:34
6:56
#6324
20K
12.43 mi11:53:481:26:506:5921:52
7:02
#6280
Half
13.11 mi11:58:401:31:427:004:52
7:08
#6335
25K
15.53 mi12:15:581:49:007:0117:18
7:08
#6327
30K
18.64 mi12:39:552:12:577:0823:57
7:43
#6582
20M
20.00 mi12:49:232:22:257:079:28
6:58
#6355
21M
21.00 mi12:56:272:29:297:077:04
7:04
#6111
35K
21.75 mi13:01:222:34:247:064:55
6:34
#5951
23M
23.00 mi13:10:022:43:047:058:40
6:55
#5763
24M
24.00 mi13:16:352:49:377:046:33
6:33
#5553
40K
24.85 mi13:22:132:55:157:035:38
6:35
#5348
25.2M
25.20 mi13:24:422:57:447:032:29
7:12
#5281
Finish
26.22 mi13:31:143:04:167:026:32
6:25
#5096
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi64665965966224(Top 23%)576(Top 5%)576(Top 12%)
10K6.21 mi3.10 mi6426+40608-12608-126405(Top 24%)613(Top 5%)613(Top 13%)
15K9.32 mi3.11 mi6324+102588+20588+206224(Top 23%)576(Top 5%)576(Top 12%)
20K12.43 mi3.11 mi6280+44580+8580+86223(Top 23%)575(Top 5%)575(Top 12%)
Half13.11 mi0.68 mi6335-55593-13593-137415(Top 28%)872(Top 8%)872(Top 18%)
25K15.53 mi2.42 mi6327+8595-2595-26318(Top 24%)646(Top 6%)646(Top 13%)
30K18.64 mi3.11 mi6582-255668-73668-738711(Top 33%)1594(Top 14%)1594(Top 33%)
20M20.00 mi1.36 mi6355+227625+43625+433853(Top 14%)266(Top 2%)266(Top 5%)
21M21.00 mi1.00 mi6111+244580+45580+452503(Top 9%)139(Top 1%)139(Top 3%)
35K21.75 mi0.75 mi5951+160551+29551+292900(Top 11%)187(Top 2%)187(Top 4%)
23M23.00 mi1.25 mi5763+188522+29522+293401(Top 13%)249(Top 2%)249(Top 5%)
24M24.00 mi1.00 mi5553+210482+40482+402353(Top 9%)155(Top 1%)155(Top 3%)
40K24.85 mi0.85 mi5348+205454+28454+281909(Top 7%)116(Top 1%)116(Top 2%)
25.2M25.20 mi0.35 mi5281+67447+7447+72612(Top 10%)204(Top 2%)204(Top 4%)
Finish26.22 mi1.02 mi5096+185421+26421+262093(Top 8%)151(Top 1%)151(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

6224

Females

576

F18-39

576

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6405

Females

613

F18-39

613

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

6224

Females

576

F18-39

576

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6223

Females

575

F18-39

575

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7415

Females

872

F18-39

872

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6318

Females

646

F18-39

646

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8711

Females

1594

F18-39

1594

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3853

Females

266

F18-39

266

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2503

Females

139

F18-39

139

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2900

Females

187

F18-39

187

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3401

Females

249

F18-39

249

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2353

Females

155

F18-39

155

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1909

Females

116

F18-39

116

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2612

Females

204

F18-39

204

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2093

Females

151

F18-39

151

Passing Analysis

Category:
Athletes Passed
2131
Passed By
761
Net Change
+1370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6466
5K → 10K209169+40#6466#6426
10K → 15K16563+102#6426#6324
15K → 20K12379+44#6324#6280
20K → Half661-55#6280#6335
Half → 25K7971+8#6335#6327
25K → 30K58313-255#6327#6582
30K → 20M2281+227#6582#6355
20M → 21M2451+244#6355#6111
21M → 35K1611+160#6111#5951
35K → 23M1891+188#5951#5763
23M → 24M2100+210#5763#5553
24M → 40K2050+205#5553#5348
40K → 25.2M681+67#5348#5281
25.2M → Finish1850+185#5281#5096
TOTALS2131761+1370
📊

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