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BOSTON MARATHON 2023

Anna Smith

Bib: 29478•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
33:02
Rank: #25031
Start → 5K
33:02 | 10:38/mi
10K· 6.21 mi
1:04:21
Rank: #24407 (+624)
5K → 10K
31:19 | 10:05/mi
15K· 9.32 mi
1:36:54
Rank: #24425 (-18)
10K → 15K
32:33 | 10:29/mi
20K· 12.43 mi
2:11:45
Rank: #24589 (-164)
15K → 20K
34:51 | 11:13/mi
Half· 13.11 mi
2:18:36
Rank: #24523 (+66)
20K → Half
6:51 | 10:02/mi
25K· 15.53 mi
2:43:20
Rank: #24198 (+325)
Half → 25K
24:44 | 10:12/mi
30K· 18.64 mi
3:21:52
Rank: #24415 (-217)
25K → 30K
38:32 | 12:24/mi
20M
3:36:24
Rank: #24238 (+177)
30K → 20M
14:32 | 10:42/mi
21M
3:47:58
Rank: #24124 (+114)
20M → 21M
11:34 | 11:34/mi
35K· 21.75 mi
3:55:44
Rank: #24078 (+46)
21M → 35K
7:46 | 10:23/mi
23M
4:11:29
Rank: #24125 (-47)
35K → 23M
15:45 | 12:35/mi
24M
4:21:56
Rank: #24039 (+86)
23M → 24M
10:27 | 10:27/mi
40K· 24.85 mi
4:32:19
Rank: #24046 (-7)
24M → 40K
10:23 | 12:09/mi
25.2M
4:36:15
Rank: #24024 (+22)
40K → 25.2M
3:56 | 11:24/mi
Finish· 26.22 mi
4:46:19
Rank: #23952 (+72)
25.2M → Finish
10:04 | 9:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:36
Pace10:34 /mi
2nd Half
Distance13.11 mi
Time2:27:43
Pace11:16 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1833:0210:3833:02
10:38
-
10K
6.21 mi12:24:371:04:2110:2131:19
10:05
-0:33
15K
9.32 mi12:57:101:36:5410:2432:33
10:29
+0:24
20K
12.43 mi13:32:012:11:4510:3634:51
11:13
+0:44
Half
13.11 mi13:38:522:18:3610:346:51
10:02
-1:11
25K
15.53 mi14:03:362:43:2010:3124:44
10:12
+0:10
30K
18.64 mi14:42:083:21:5210:5038:32
12:24
+2:12
20M
20.00 mi14:56:403:36:2410:4914:32
10:42
-1:42
21M
21.00 mi15:08:143:47:5810:5111:34
11:34
+0:52
35K
21.75 mi15:16:003:55:4410:507:46
10:23
-1:11
23M
23.00 mi15:31:454:11:2910:5615:45
12:35
+2:12
24M
24.00 mi15:42:124:21:5610:5510:27
10:27
-2:08
40K
24.85 mi15:52:354:32:1910:5710:23
12:09
+1:42
25.2M
25.20 mi15:56:314:36:1510:583:56
11:24
-0:45
Finish
26.22 mi16:06:354:46:1910:5610:04
9:53
-1:31

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

9:53 /mi

Average Pace

10:56 /mi

Slowest Pace

12:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:58

25% of race

Time at Steady Pace

1:38:20

34% of race

Time at Slower Pace

1:55:01

40% of race

Average Pace: 10:55 /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 mi11:53:1833:0210:3833:02
10:38
#25031
10K
6.21 mi12:24:371:04:2110:2131:19
10:05
#24407
15K
9.32 mi12:57:101:36:5410:2432:33
10:29
#24425
20K
12.43 mi13:32:012:11:4510:3634:51
11:13
#24589
Half
13.11 mi13:38:522:18:3610:346:51
10:02
#24523
25K
15.53 mi14:03:362:43:2010:3124:44
10:12
#24198
30K
18.64 mi14:42:083:21:5210:5038:32
12:24
#24415
20M
20.00 mi14:56:403:36:2410:4914:32
10:42
#24238
21M
21.00 mi15:08:143:47:5810:5111:34
11:34
#24124
35K
21.75 mi15:16:003:55:4410:507:46
10:23
#24078
23M
23.00 mi15:31:454:11:2910:5615:45
12:35
#24125
24M
24.00 mi15:42:124:21:5610:5510:27
10:27
#24039
40K
24.85 mi15:52:354:32:1910:5710:23
12:09
#24046
25.2M
25.20 mi15:56:314:36:1510:583:56
11:24
#24024
Finish
26.22 mi16:06:354:46:1910:5610:04
9:53
#23952
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25031104481044824413(Top 92%)10126(Top 89%)10126(Top 207%)
10K6.21 mi3.10 mi24407+62410109+33910109+33923868(Top 90%)9816(Top 86%)9816(Top 201%)
15K9.32 mi3.11 mi24425-1810121-1210121-1224413(Top 92%)10126(Top 89%)10126(Top 207%)
20K12.43 mi3.11 mi24589-16410228-10710228-10724904(Top 94%)10422(Top 91%)10422(Top 213%)
Half13.11 mi0.68 mi24523+6610193+3510193+3523387(Top 88%)9570(Top 84%)9570(Top 196%)
25K15.53 mi2.42 mi24198+32510015+17810015+17822620(Top 85%)9180(Top 80%)9180(Top 188%)
30K18.64 mi3.11 mi24415-21710157-14210157-14224911(Top 94%)10520(Top 92%)10520(Top 215%)
20M20.00 mi1.36 mi24238+17710070+8710070+8722156(Top 83%)9072(Top 79%)9072(Top 186%)
21M21.00 mi1.00 mi24124+11410017+5310017+5322003(Top 83%)8993(Top 79%)8993(Top 184%)
35K21.75 mi0.75 mi24078+469994+239994+2322177(Top 83%)9154(Top 80%)9154(Top 187%)
23M23.00 mi1.25 mi24125-4710035-4110035-4124663(Top 93%)10468(Top 92%)10468(Top 214%)
24M24.00 mi1.00 mi24039+869989+469989+4621940(Top 82%)9076(Top 79%)9076(Top 186%)
40K24.85 mi0.85 mi24046-710001-1210001-1224066(Top 90%)10208(Top 89%)10208(Top 209%)
25.2M25.20 mi0.35 mi24024+229988+139988+1321407(Top 80%)8826(Top 77%)8826(Top 181%)
Finish26.22 mi1.02 mi23952+729957+319957+3121442(Top 81%)8817(Top 77%)8817(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

24413

Females

10126

F18-39

10126

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

23868

Females

9816

F18-39

9816

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

24413

Females

10126

F18-39

10126

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

24904

Females

10422

F18-39

10422

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

23387

Females

9570

F18-39

9570

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22620

Females

9180

F18-39

9180

25K→30K

15.5 - 18.6 mi

Top 94%
×9stories
+181ft-148ft

Overall

24911

Females

10520

F18-39

10520

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

22156

Females

9072

F18-39

9072

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22003

Females

8993

F18-39

8993

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

22177

Females

9154

F18-39

9154

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

24663

Females

10468

F18-39

10468

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21940

Females

9076

F18-39

9076

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24066

Females

10208

F18-39

10208

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21407

Females

8826

F18-39

8826

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21442

Females

8817

F18-39

8817

Passing Analysis

Category:
Athletes Passed
1843
Passed By
764
Net Change
+1079
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25031
5K → 10K64824+624#25031#24407
10K → 15K126144-18#24407#24425
15K → 20K44208-164#24425#24589
20K → Half715+66#24589#24523
Half → 25K3272+325#24523#24198
25K → 30K50267-217#24198#24415
30K → 20M1792+177#24415#24238
20M → 21M1184+114#24238#24124
21M → 35K526+46#24124#24078
35K → 23M1966-47#24078#24125
23M → 24M882+86#24125#24039
24M → 40K2532-7#24039#24046
40K → 25.2M231+22#24046#24024
25.2M → Finish731+72#24024#23952
TOTALS1843764+1079
📊

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