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BOSTON MARATHON 2023

Alexis Crocker

Bib: 30663•F

NY

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
34:18
Rank: #25741
Start → 5K
34:18 | 11:02/mi
10K· 6.21 mi
1:08:11
Rank: #25552 (+189)
5K → 10K
33:53 | 10:54/mi
15K· 9.32 mi
1:42:01
Rank: #25378 (+174)
10K → 15K
33:50 | 10:53/mi
20K· 12.43 mi
2:16:29
Rank: #25182 (+196)
15K → 20K
34:28 | 11:06/mi
Half· 13.11 mi
2:23:58
Rank: #25172 (+10)
20K → Half
7:29 | 10:58/mi
25K· 15.53 mi
2:51:22
Rank: #25060 (+112)
Half → 25K
27:24 | 11:18/mi
30K· 18.64 mi
3:27:37
Rank: #24888 (+172)
25K → 30K
36:15 | 11:40/mi
20M
3:44:35
Rank: #24875 (+13)
30K → 20M
16:58 | 12:29/mi
21M
3:57:37
Rank: #24841 (+34)
20M → 21M
13:02 | 13:02/mi
35K· 21.75 mi
4:06:45
Rank: #24860 (-19)
21M → 35K
9:08 | 12:12/mi
23M
4:21:44
Rank: #24824 (+36)
35K → 23M
14:59 | 11:58/mi
24M
4:34:37
Rank: #24871 (-47)
23M → 24M
12:53 | 12:53/mi
40K· 24.85 mi
4:45:50
Rank: #24909 (-38)
24M → 40K
11:13 | 13:07/mi
25.2M
4:50:33
Rank: #24915 (-6)
40K → 25.2M
4:43 | 13:41/mi
Finish· 26.22 mi
5:01:55
Rank: #24908 (+7)
25.2M → Finish
11:22 | 11:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:58
Pace10:59 /mi
2nd Half
Distance13.11 mi
Time2:37:57
Pace12:03 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1934:1811:0234:18
11:02
-
10K
6.21 mi12:27:121:08:1110:5833:53
10:54
-0:08
15K
9.32 mi13:01:021:42:0110:5733:50
10:53
-0:01
20K
12.43 mi13:35:302:16:2910:5934:28
11:06
+0:13
Half
13.11 mi13:42:592:23:5810:597:29
10:58
-0:08
25K
15.53 mi14:10:232:51:2211:0227:24
11:18
+0:20
30K
18.64 mi14:46:383:27:3711:0836:15
11:40
+0:22
20M
20.00 mi15:03:363:44:3511:1416:58
12:29
+0:49
21M
21.00 mi15:16:383:57:3711:1913:02
13:02
+0:33
35K
21.75 mi15:25:464:06:4511:219:08
12:12
-0:50
23M
23.00 mi15:40:454:21:4411:2314:59
11:58
-0:14
24M
24.00 mi15:53:384:34:3711:2712:53
12:53
+0:55
40K
24.85 mi16:04:514:45:5011:3011:13
13:07
+0:14
25.2M
25.20 mi16:09:344:50:3311:324:43
13:41
+0:34
Finish
26.22 mi16:20:565:01:5511:3111:22
11:09
-2:32

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

10:53 /mi

Average Pace

11:31 /mi

Slowest Pace

13:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:20

51% of race

Time at Steady Pace

1:18:38

26% of race

Time at Slower Pace

1:07:57

23% of race

Average Pace: 11:31 /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 mi11:53:1934:1811:0234:18
11:02
#25741
10K
6.21 mi12:27:121:08:1110:5833:53
10:54
#25552
15K
9.32 mi13:01:021:42:0110:5733:50
10:53
#25378
20K
12.43 mi13:35:302:16:2910:5934:28
11:06
#25182
Half
13.11 mi13:42:592:23:5810:597:29
10:58
#25172
25K
15.53 mi14:10:232:51:2211:0227:24
11:18
#25060
30K
18.64 mi14:46:383:27:3711:0836:15
11:40
#24888
20M
20.00 mi15:03:363:44:3511:1416:58
12:29
#24875
21M
21.00 mi15:16:383:57:3711:1913:02
13:02
#24841
35K
21.75 mi15:25:464:06:4511:219:08
12:12
#24860
23M
23.00 mi15:40:454:21:4411:2314:59
11:58
#24824
24M
24.00 mi15:53:384:34:3711:2712:53
12:53
#24871
40K
24.85 mi16:04:514:45:5011:3011:13
13:07
#24909
25.2M
25.20 mi16:09:344:50:3311:324:43
13:41
#24915
Finish
26.22 mi16:20:565:01:5511:3111:22
11:09
#24908
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25741108821088225056(Top 94%)10491(Top 92%)10491(Top 215%)
10K6.21 mi3.10 mi25552+18910770+11210770+11225354(Top 95%)10640(Top 93%)10640(Top 218%)
15K9.32 mi3.11 mi25378+17410662+10810662+10825056(Top 94%)10491(Top 92%)10491(Top 215%)
20K12.43 mi3.11 mi25182+19610558+10410558+10424751(Top 93%)10334(Top 90%)10334(Top 212%)
Half13.11 mi0.68 mi25172+1010556+210556+224912(Top 94%)10453(Top 92%)10453(Top 214%)
25K15.53 mi2.42 mi25060+11210498+5810498+5824414(Top 92%)10181(Top 89%)10181(Top 208%)
30K18.64 mi3.11 mi24888+17210426+7210426+7224086(Top 90%)10060(Top 88%)10060(Top 206%)
20M20.00 mi1.36 mi24875+1310429-310429-324736(Top 93%)10465(Top 92%)10465(Top 214%)
21M21.00 mi1.00 mi24841+3410411+1810411+1824124(Top 91%)10159(Top 89%)10159(Top 208%)
35K21.75 mi0.75 mi24860-1910434-2310434-2324896(Top 94%)10604(Top 93%)10604(Top 217%)
23M23.00 mi1.25 mi24824+3610418+1610418+1623959(Top 90%)10100(Top 88%)10100(Top 207%)
24M24.00 mi1.00 mi24871-4710456-3810456-3825400(Top 95%)10881(Top 95%)10881(Top 223%)
40K24.85 mi0.85 mi24909-3810484-2810484-2825037(Top 94%)10692(Top 94%)10692(Top 219%)
25.2M25.20 mi0.35 mi24915-610488-410488-424717(Top 93%)10547(Top 92%)10547(Top 216%)
Finish26.22 mi1.02 mi24908+710491-310491-324240(Top 91%)10274(Top 90%)10274(Top 210%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

25056

Females

10491

F18-39

10491

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

25354

Females

10640

F18-39

10640

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

25056

Females

10491

F18-39

10491

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

24751

Females

10334

F18-39

10334

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

24912

Females

10453

F18-39

10453

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

24414

Females

10181

F18-39

10181

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

24086

Females

10060

F18-39

10060

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

24736

Females

10465

F18-39

10465

20M→21M

20.0 - 21.0 mi

Top 91%
×8stories
+106ft-24ft

Overall

24124

Females

10159

F18-39

10159

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

24896

Females

10604

F18-39

10604

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

23959

Females

10100

F18-39

10100

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

25400

Females

10881

F18-39

10881

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

25037

Females

10692

F18-39

10692

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24717

Females

10547

F18-39

10547

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24240

Females

10274

F18-39

10274

Passing Analysis

Category:
Athletes Passed
1246
Passed By
413
Net Change
+833
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25741
5K → 10K24859+189#25741#25552
10K → 15K20834+174#25552#25378
15K → 20K21014+196#25378#25182
20K → Half2717+10#25182#25172
Half → 25K13422+112#25172#25060
25K → 30K19119+172#25060#24888
30K → 20M5441+13#24888#24875
20M → 21M4814+34#24875#24841
21M → 35K2241-19#24841#24860
35K → 23M5115+36#24860#24824
23M → 24M855-47#24824#24871
24M → 40K1755-38#24871#24909
40K → 25.2M612-6#24909#24915
25.2M → Finish2215+7#24915#24908
TOTALS1246413+833
📊

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