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BOSTON MARATHON 2023

Haley Brown

Bib: 25489•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
31:03
Rank: #23424
Start → 5K
31:03 | 10:00/mi
10K· 6.21 mi
1:01:33
Rank: #23404 (+20)
5K → 10K
30:30 | 9:49/mi
15K· 9.32 mi
1:31:59
Rank: #23287 (+117)
10K → 15K
30:26 | 9:48/mi
20K· 12.43 mi
2:02:56
Rank: #23172 (+115)
15K → 20K
30:57 | 9:58/mi
Half· 13.11 mi
2:09:32
Rank: #23133 (+39)
20K → Half
6:36 | 9:40/mi
25K· 15.53 mi
2:34:07
Rank: #23000 (+133)
Half → 25K
24:35 | 10:08/mi
30K· 18.64 mi
3:06:18
Rank: #22790 (+210)
25K → 30K
32:11 | 10:22/mi
20M
3:20:37
Rank: #22709 (+81)
30K → 20M
14:19 | 10:32/mi
21M
3:31:37
Rank: #22607 (+102)
20M → 21M
11:00 | 11:00/mi
35K· 21.75 mi
3:39:14
Rank: #22558 (+49)
21M → 35K
7:37 | 10:11/mi
23M
3:52:51
Rank: #22534 (+24)
35K → 23M
13:37 | 10:53/mi
24M
4:03:45
Rank: #22549 (-15)
23M → 24M
10:54 | 10:54/mi
40K· 24.85 mi
4:13:08
Rank: #22536 (+13)
24M → 40K
9:23 | 10:58/mi
25.2M
4:17:06
Rank: #22528 (+8)
40K → 25.2M
3:58 | 11:30/mi
Finish· 26.22 mi
4:27:31
Rank: #22517 (+11)
25.2M → Finish
10:25 | 10:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:32
Pace9:53 /mi
2nd Half
Distance13.11 mi
Time2:17:59
Pace10:32 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:4531:0310:0031:03
10:00
-
10K
6.21 mi12:17:151:01:339:5430:30
9:49
-0:11
15K
9.32 mi12:47:411:31:599:5230:26
9:48
-0:01
20K
12.43 mi13:18:382:02:569:5430:57
9:58
+0:10
Half
13.11 mi13:25:142:09:329:536:36
9:40
-0:18
25K
15.53 mi13:49:492:34:079:5524:35
10:08
+0:28
30K
18.64 mi14:22:003:06:1810:0032:11
10:22
+0:14
20M
20.00 mi14:36:193:20:3710:0214:19
10:32
+0:10
21M
21.00 mi14:47:193:31:3710:0511:00
11:00
+0:28
35K
21.75 mi14:54:563:39:1410:057:37
10:11
-0:49
23M
23.00 mi15:08:333:52:5110:0713:37
10:53
+0:42
24M
24.00 mi15:19:274:03:4510:0910:54
10:54
+0:01
40K
24.85 mi15:28:504:13:0810:119:23
10:58
+0:04
25.2M
25.20 mi15:32:484:17:0610:123:58
11:30
+0:32
Finish
26.22 mi15:43:134:27:3110:1310:25
10:13
-1:17

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

9:40 /mi

Average Pace

10:13 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38:39

82% of race

Time at Steady Pace

44:54

17% of race

Time at Slower Pace

3:58

1% of race

Average Pace: 10:12 /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 mi11:46:4531:0310:0031:03
10:00
#23424
10K
6.21 mi12:17:151:01:339:5430:30
9:49
#23404
15K
9.32 mi12:47:411:31:599:5230:26
9:48
#23287
20K
12.43 mi13:18:382:02:569:5430:57
9:58
#23172
Half
13.11 mi13:25:142:09:329:536:36
9:40
#23133
25K
15.53 mi13:49:492:34:079:5524:35
10:08
#23000
30K
18.64 mi14:22:003:06:1810:0032:11
10:22
#22790
20M
20.00 mi14:36:193:20:3710:0214:19
10:32
#22709
21M
21.00 mi14:47:193:31:3710:0511:00
11:00
#22607
35K
21.75 mi14:54:563:39:1410:057:37
10:11
#22558
23M
23.00 mi15:08:333:52:5110:0713:37
10:53
#22534
24M
24.00 mi15:19:274:03:4510:0910:54
10:54
#22549
40K
24.85 mi15:28:504:13:0810:119:23
10:58
#22536
25.2M
25.20 mi15:32:484:17:0610:123:58
11:30
#22528
Finish
26.22 mi15:43:134:27:3110:1310:25
10:13
#22517
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi234249617961723038(Top 87%)9366(Top 82%)9366(Top 192%)
10K6.21 mi3.10 mi23404+209573+449573+4423315(Top 88%)9521(Top 83%)9521(Top 195%)
15K9.32 mi3.11 mi23287+1179500+739500+7323038(Top 87%)9366(Top 82%)9366(Top 192%)
20K12.43 mi3.11 mi23172+1159444+569444+5622822(Top 86%)9256(Top 81%)9256(Top 190%)
Half13.11 mi0.68 mi23133+399420+249420+2422607(Top 85%)9138(Top 80%)9138(Top 187%)
25K15.53 mi2.42 mi23000+1339360+609360+6022501(Top 85%)9117(Top 80%)9117(Top 187%)
30K18.64 mi3.11 mi22790+2109281+799281+7921912(Top 82%)8858(Top 78%)8858(Top 181%)
20M20.00 mi1.36 mi22709+819248+339248+3321828(Top 82%)8888(Top 78%)8888(Top 182%)
21M21.00 mi1.00 mi22607+1029202+469202+4620845(Top 78%)8381(Top 73%)8381(Top 172%)
35K21.75 mi0.75 mi22558+499175+279175+2721757(Top 82%)8911(Top 78%)8911(Top 182%)
23M23.00 mi1.25 mi22534+249178-39178-322115(Top 83%)9127(Top 80%)9127(Top 187%)
24M24.00 mi1.00 mi22549-159191-139191-1322858(Top 86%)9555(Top 84%)9555(Top 196%)
40K24.85 mi0.85 mi22536+139188+39188+322308(Top 84%)9304(Top 81%)9304(Top 190%)
25.2M25.20 mi0.35 mi22528+89193-59193-521604(Top 81%)8919(Top 78%)8919(Top 183%)
Finish26.22 mi1.02 mi22517+119194-19194-122365(Top 84%)9311(Top 82%)9311(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23038

Females

9366

F18-39

9366

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23315

Females

9521

F18-39

9521

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23038

Females

9366

F18-39

9366

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22822

Females

9256

F18-39

9256

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22607

Females

9138

F18-39

9138

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22501

Females

9117

F18-39

9117

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21912

Females

8858

F18-39

8858

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

21828

Females

8888

F18-39

8888

20M→21M

20.0 - 21.0 mi

Top 78%
×8stories
+106ft-24ft

Overall

20845

Females

8381

F18-39

8381

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21757

Females

8911

F18-39

8911

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

22115

Females

9127

F18-39

9127

23M→24M

23.0 - 24.0 mi

Top 86%
×6stories
+12ft-82ft

Overall

22858

Females

9555

F18-39

9555

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22308

Females

9304

F18-39

9304

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21604

Females

8919

F18-39

8919

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22365

Females

9311

F18-39

9311

Passing Analysis

Category:
Athletes Passed
1508
Passed By
601
Net Change
+907
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23424
5K → 10K223203+20#23424#23404
10K → 15K18871+117#23404#23287
15K → 20K16954+115#23287#23172
20K → Half5011+39#23172#23133
Half → 25K17138+133#23133#23000
25K → 30K23525+210#23000#22790
30K → 20M10322+81#22790#22709
20M → 21M1086+102#22709#22607
21M → 35K6617+49#22607#22558
35K → 23M7046+24#22558#22534
23M → 24M2742-15#22534#22549
24M → 40K3219+13#22549#22536
40K → 25.2M2113+8#22536#22528
25.2M → Finish4534+11#22528#22517
TOTALS1508601+907
📊

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