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BOSTON MARATHON 2023

Alexa Brown

Bib: 29319•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
33:39
Rank: #25424
Start → 5K
33:39 | 10:50/mi
10K· 6.21 mi
1:04:15
Rank: #24360 (+1064)
5K → 10K
30:36 | 9:51/mi
15K· 9.32 mi
1:34:50
Rank: #23950 (+410)
10K → 15K
30:35 | 9:51/mi
20K· 12.43 mi
2:06:19
Rank: #23763 (+187)
15K → 20K
31:29 | 10:08/mi
Half· 13.11 mi
2:13:08
Rank: #23734 (+29)
20K → Half
6:49 | 9:59/mi
25K· 15.53 mi
2:38:06
Rank: #23565 (+169)
Half → 25K
24:58 | 10:18/mi
30K· 18.64 mi
3:12:12
Rank: #23464 (+101)
25K → 30K
34:06 | 10:59/mi
20M
3:26:50
Rank: #23367 (+97)
30K → 20M
14:38 | 10:46/mi
21M
3:38:39
Rank: #23328 (+39)
20M → 21M
11:49 | 11:49/mi
35K· 21.75 mi
3:46:39
Rank: #23298 (+30)
21M → 35K
8:00 | 10:42/mi
23M
4:00:35
Rank: #23250 (+48)
35K → 23M
13:56 | 11:08/mi
24M
4:11:13
Rank: #23222 (+28)
23M → 24M
10:38 | 10:38/mi
40K· 24.85 mi
4:20:30
Rank: #23166 (+56)
24M → 40K
9:17 | 10:51/mi
25.2M
4:24:25
Rank: #23140 (+26)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
4:34:45
Rank: #23091 (+49)
25.2M → Finish
10:20 | 10:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:08
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time2:21:37
Pace10:48 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1333:3910:5033:39
10:50
-
10K
6.21 mi12:21:491:04:1510:2030:36
9:51
-0:59
15K
9.32 mi12:52:241:34:5010:1030:35
9:51
0:00
20K
12.43 mi13:23:532:06:1910:1031:29
10:08
+0:17
Half
13.11 mi13:30:422:13:0810:096:49
9:59
-0:09
25K
15.53 mi13:55:402:38:0610:1124:58
10:18
+0:19
30K
18.64 mi14:29:463:12:1210:1934:06
10:59
+0:41
20M
20.00 mi14:44:243:26:5010:2014:38
10:46
-0:13
21M
21.00 mi14:56:133:38:3910:2511:49
11:49
+1:03
35K
21.75 mi15:04:133:46:3910:258:00
10:42
-1:07
23M
23.00 mi15:18:094:00:3510:2813:56
11:08
+0:26
24M
24.00 mi15:28:474:11:1310:2810:38
10:38
-0:30
40K
24.85 mi15:38:044:20:3010:299:17
10:51
+0:13
25.2M
25.20 mi15:41:594:24:2510:303:55
11:21
+0:30
Finish
26.22 mi15:52:194:34:4510:2910:20
10:08
-1:13

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

9:51 /mi

Average Pace

10:29 /mi

Slowest Pace

11:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:42

73% of race

Time at Steady Pace

1:01:14

22% of race

Time at Slower Pace

11:49

4% of race

Average Pace: 10:29 /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 mi11:51:1333:3910:5033:39
10:50
#25424
10K
6.21 mi12:21:491:04:1510:2030:36
9:51
#24360
15K
9.32 mi12:52:241:34:5010:1030:35
9:51
#23950
20K
12.43 mi13:23:532:06:1910:1031:29
10:08
#23763
Half
13.11 mi13:30:422:13:0810:096:49
9:59
#23734
25K
15.53 mi13:55:402:38:0610:1124:58
10:18
#23565
30K
18.64 mi14:29:463:12:1210:1934:06
10:59
#23464
20M
20.00 mi14:44:243:26:5010:2014:38
10:46
#23367
21M
21.00 mi14:56:133:38:3910:2511:49
11:49
#23328
35K
21.75 mi15:04:133:46:3910:258:00
10:42
#23298
23M
23.00 mi15:18:094:00:3510:2813:56
11:08
#23250
24M
24.00 mi15:28:474:11:1310:2810:38
10:38
#23222
40K
24.85 mi15:38:044:20:3010:299:17
10:51
#23166
25.2M
25.20 mi15:41:594:24:2510:303:55
11:21
#23140
Finish
26.22 mi15:52:194:34:4510:2910:20
10:08
#23091
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25424106801068023169(Top 87%)9435(Top 83%)9435(Top 193%)
10K6.21 mi3.10 mi24360+106410085+59510085+59523377(Top 88%)9554(Top 84%)9554(Top 196%)
15K9.32 mi3.11 mi23950+4109862+2239862+22323169(Top 87%)9435(Top 83%)9435(Top 193%)
20K12.43 mi3.11 mi23763+1879757+1059757+10523169(Top 87%)9438(Top 83%)9438(Top 193%)
Half13.11 mi0.68 mi23734+299745+129745+1223270(Top 87%)9500(Top 83%)9500(Top 195%)
25K15.53 mi2.42 mi23565+1699656+899656+8922836(Top 86%)9294(Top 81%)9294(Top 190%)
30K18.64 mi3.11 mi23464+1019624+329624+3223058(Top 87%)9486(Top 83%)9486(Top 194%)
20M20.00 mi1.36 mi23367+979584+409584+4022293(Top 84%)9136(Top 80%)9136(Top 187%)
21M21.00 mi1.00 mi23328+399572+129572+1222457(Top 84%)9255(Top 81%)9255(Top 189%)
35K21.75 mi0.75 mi23298+309563+99563+922749(Top 85%)9454(Top 83%)9454(Top 194%)
23M23.00 mi1.25 mi23250+489550+139550+1322601(Top 85%)9381(Top 82%)9381(Top 192%)
24M24.00 mi1.00 mi23222+289542+89542+822317(Top 84%)9269(Top 81%)9269(Top 190%)
40K24.85 mi0.85 mi23166+569527+159527+1522067(Top 83%)9182(Top 80%)9182(Top 188%)
25.2M25.20 mi0.35 mi23140+269519+89519+821296(Top 80%)8759(Top 77%)8759(Top 179%)
Finish26.22 mi1.02 mi23091+499494+259494+2522153(Top 83%)9203(Top 81%)9203(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23169

Females

9435

F18-39

9435

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23377

Females

9554

F18-39

9554

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23169

Females

9435

F18-39

9435

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

23169

Females

9438

F18-39

9438

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23270

Females

9500

F18-39

9500

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22836

Females

9294

F18-39

9294

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23058

Females

9486

F18-39

9486

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

22293

Females

9136

F18-39

9136

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22457

Females

9255

F18-39

9255

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

22749

Females

9454

F18-39

9454

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22601

Females

9381

F18-39

9381

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

22317

Females

9269

F18-39

9269

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22067

Females

9182

F18-39

9182

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21296

Females

8759

F18-39

8759

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22153

Females

9203

F18-39

9203

Passing Analysis

Category:
Athletes Passed
2590
Passed By
257
Net Change
+2333
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25424
5K → 10K10673+1064#25424#24360
10K → 15K42919+410#24360#23950
15K → 20K21629+187#23950#23763
20K → Half389+29#23763#23734
Half → 25K19324+169#23734#23565
25K → 30K14948+101#23565#23464
30K → 20M10811+97#23464#23367
20M → 21M6930+39#23367#23328
21M → 35K4313+30#23328#23298
35K → 23M6921+48#23298#23250
23M → 24M4416+28#23250#23222
24M → 40K7519+56#23222#23166
40K → 25.2M282+26#23166#23140
25.2M → Finish6213+49#23140#23091
TOTALS2590257+2333
📊

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