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BOSTON MARATHON 2023

Alexa Lua

Bib: 8702•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:08
Rank: #7048
Start → 5K
22:08 | 7:07/mi
10K· 6.21 mi
45:10
Rank: #8247 (-1199)
5K → 10K
23:02 | 7:25/mi
15K· 9.32 mi
1:07:55
Rank: #8356 (-109)
10K → 15K
22:45 | 7:19/mi
20K· 12.43 mi
1:32:11
Rank: #9129 (-773)
15K → 20K
24:16 | 7:49/mi
Half· 13.11 mi
1:36:57
Rank: #8988 (+141)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:54:48
Rank: #8770 (+218)
Half → 25K
17:51 | 7:22/mi
30K· 18.64 mi
2:19:12
Rank: #8896 (-126)
25K → 30K
24:24 | 7:51/mi
20M
2:29:52
Rank: #8899 (-3)
30K → 20M
10:40 | 7:51/mi
21M
2:38:20
Rank: #8955 (-56)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:44:00
Rank: #8946 (+9)
21M → 35K
5:40 | 7:34/mi
23M
2:53:58
Rank: #8953 (-7)
35K → 23M
9:58 | 7:58/mi
24M
3:01:26
Rank: #8854 (+99)
23M → 24M
7:28 | 7:28/mi
40K· 24.85 mi
3:07:49
Rank: #8746 (+108)
24M → 40K
6:23 | 7:28/mi
25.2M
3:10:27
Rank: #8672 (+74)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:17:19
Rank: #8399 (+273)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:57
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:40:22
Pace7:39 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1922:087:0722:08
7:07
-
10K
6.21 mi11:10:2145:107:1623:02
7:25
+0:18
15K
9.32 mi11:33:061:07:557:1722:45
7:19
-0:06
20K
12.43 mi11:57:221:32:117:2524:16
7:49
+0:30
Half
13.11 mi12:02:081:36:577:244:46
6:59
-0:50
25K
15.53 mi12:19:591:54:487:2317:51
7:22
+0:23
30K
18.64 mi12:44:232:19:127:2824:24
7:51
+0:29
20M
20.00 mi12:55:032:29:527:3010:40
7:51
0:00
21M
21.00 mi13:03:312:38:207:328:28
8:28
+0:37
35K
21.75 mi13:09:112:44:007:325:40
7:34
-0:54
23M
23.00 mi13:19:092:53:587:349:58
7:58
+0:24
24M
24.00 mi13:26:373:01:267:347:28
7:28
-0:30
40K
24.85 mi13:33:003:07:497:336:23
7:28
0:00
25.2M
25.20 mi13:35:383:10:277:332:38
7:38
+0:10
Finish
26.22 mi13:42:303:17:197:326:52
6:44
-0:54

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

6:44 /mi

Average Pace

7:32 /mi

Slowest Pace

8:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:46

17% of race

Time at Steady Pace

1:25:47

43% of race

Time at Slower Pace

1:17:46

39% of race

Average Pace: 7:32 /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 mi10:47:1922:087:0722:08
7:07
#7048
10K
6.21 mi11:10:2145:107:1623:02
7:25
#8247
15K
9.32 mi11:33:061:07:557:1722:45
7:19
#8356
20K
12.43 mi11:57:221:32:117:2524:16
7:49
#9129
Half
13.11 mi12:02:081:36:577:244:46
6:59
#8988
25K
15.53 mi12:19:591:54:487:2317:51
7:22
#8770
30K
18.64 mi12:44:232:19:127:2824:24
7:51
#8896
20M
20.00 mi12:55:032:29:527:3010:40
7:51
#8899
21M
21.00 mi13:03:312:38:207:328:28
8:28
#8955
35K
21.75 mi13:09:112:44:007:325:40
7:34
#8946
23M
23.00 mi13:19:092:53:587:349:58
7:58
#8953
24M
24.00 mi13:26:373:01:267:347:28
7:28
#8854
40K
24.85 mi13:33:003:07:497:336:23
7:28
#8746
25.2M
25.20 mi13:35:383:10:277:332:38
7:38
#8672
Finish
26.22 mi13:42:303:17:197:326:52
6:44
#8399
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi70487327328758(Top 33%)1348(Top 12%)1348(Top 28%)
10K6.21 mi3.10 mi8247-11991122-3901122-3909760(Top 37%)1711(Top 15%)1711(Top 35%)
15K9.32 mi3.11 mi8356-1091165-431165-438758(Top 33%)1348(Top 12%)1348(Top 28%)
20K12.43 mi3.11 mi9129-7731487-3221487-32211835(Top 44%)2863(Top 25%)2863(Top 59%)
Half13.11 mi0.68 mi8988+1411439+481439+486526(Top 25%)649(Top 6%)649(Top 13%)
25K15.53 mi2.42 mi8770+2181364+751364+757730(Top 29%)1097(Top 10%)1097(Top 22%)
30K18.64 mi3.11 mi8896-1261445-811445-819772(Top 37%)2049(Top 18%)2049(Top 42%)
20M20.00 mi1.36 mi8899-31464-191464-199232(Top 35%)1891(Top 17%)1891(Top 39%)
21M21.00 mi1.00 mi8955-561511-471511-4710287(Top 39%)2514(Top 22%)2514(Top 51%)
35K21.75 mi0.75 mi8946+91520-91520-99110(Top 34%)1960(Top 17%)1960(Top 40%)
23M23.00 mi1.25 mi8953-71548-281548-289490(Top 36%)2255(Top 20%)2255(Top 46%)
24M24.00 mi1.00 mi8854+991543+51543+57503(Top 28%)1486(Top 13%)1486(Top 30%)
40K24.85 mi0.85 mi8746+1081516+271516+276538(Top 25%)1174(Top 10%)1174(Top 24%)
25.2M25.20 mi0.35 mi8672+741488+281488+284656(Top 17%)628(Top 5%)628(Top 13%)
Finish26.22 mi1.02 mi8399+2731405+831405+833772(Top 14%)423(Top 4%)423(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

8758

Females

1348

F18-39

1348

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9760

Females

1711

F18-39

1711

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

8758

Females

1348

F18-39

1348

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11835

Females

2863

F18-39

2863

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6526

Females

649

F18-39

649

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

7730

Females

1097

F18-39

1097

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9772

Females

2049

F18-39

2049

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9232

Females

1891

F18-39

1891

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10287

Females

2514

F18-39

2514

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9110

Females

1960

F18-39

1960

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

9490

Females

2255

F18-39

2255

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7503

Females

1486

F18-39

1486

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6538

Females

1174

F18-39

1174

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4656

Females

628

F18-39

628

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3772

Females

423

F18-39

423

Passing Analysis

Category:
Athletes Passed
1485
Passed By
2836
Net Change
-1351
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7048
5K → 10K151214-1199#7048#8247
10K → 15K100209-109#8247#8356
15K → 20K18791-773#8356#9129
20K → Half1410+141#9129#8988
Half → 25K23517+218#8988#8770
25K → 30K132258-126#8770#8896
30K → 20M7578-3#8896#8899
20M → 21M57113-56#8899#8955
21M → 35K4940+9#8955#8946
35K → 23M7784-7#8946#8953
23M → 24M11819+99#8953#8854
24M → 40K11911+108#8854#8746
40K → 25.2M762+74#8746#8672
25.2M → Finish2730+273#8672#8399
TOTALS14852836-1351
📊

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