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BOSTON MARATHON 2023

Rachel Markwell

Bib: 12932•F

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 41%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:28
Rank: #13043
Start → 5K
24:28 | 7:53/mi
10K· 6.21 mi
49:18
Rank: #13849 (-806)
5K → 10K
24:50 | 8:00/mi
15K· 9.32 mi
1:13:59
Rank: #13884 (-35)
10K → 15K
24:41 | 7:57/mi
20K· 12.43 mi
1:38:34
Rank: #13551 (+333)
15K → 20K
24:35 | 7:55/mi
Half· 13.11 mi
1:43:58
Rank: #13560 (-9)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:03:03
Rank: #13237 (+323)
Half → 25K
19:05 | 7:52/mi
30K· 18.64 mi
2:27:40
Rank: #12648 (+589)
25K → 30K
24:37 | 7:55/mi
20M
2:38:19
Rank: #12352 (+296)
30K → 20M
10:39 | 7:50/mi
21M
2:46:40
Rank: #12149 (+203)
20M → 21M
8:21 | 8:21/mi
35K· 21.75 mi
2:52:18
Rank: #12010 (+139)
21M → 35K
5:38 | 7:32/mi
23M
3:02:01
Rank: #11764 (+246)
35K → 23M
9:43 | 7:46/mi
24M
3:09:24
Rank: #11519 (+245)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
3:15:54
Rank: #11321 (+198)
24M → 40K
6:30 | 7:36/mi
25.2M
3:18:45
Rank: #11233 (+88)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:26:06
Rank: #11011 (+222)
25.2M → Finish
7:21 | 7:13/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:43:58
Pace7:56 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:42:08
Pace7:47 /mi
📊Negative Split: 1.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1824:287:5324:28
7:53
-
10K
6.21 mi11:19:0849:187:5624:50
8:00
+0:07
15K
9.32 mi11:43:491:13:597:5624:41
7:57
-0:03
20K
12.43 mi12:08:241:38:347:5624:35
7:55
-0:02
Half
13.11 mi12:13:481:43:587:565:24
7:55
0:00
25K
15.53 mi12:32:532:03:037:5519:05
7:52
-0:03
30K
18.64 mi12:57:302:27:407:5524:37
7:55
+0:03
20M
20.00 mi13:08:092:38:197:5510:39
7:50
-0:05
21M
21.00 mi13:16:302:46:407:568:21
8:21
+0:31
35K
21.75 mi13:22:082:52:187:555:38
7:32
-0:49
23M
23.00 mi13:31:513:02:017:559:43
7:46
+0:14
24M
24.00 mi13:39:143:09:247:547:23
7:23
-0:23
40K
24.85 mi13:45:443:15:547:536:30
7:36
+0:13
25.2M
25.20 mi13:48:353:18:457:532:51
8:16
+0:40
Finish
26.22 mi13:55:563:26:067:527:21
7:13
-1:03

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

7:13 /mi

Average Pace

7:52 /mi

Slowest Pace

8:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:23

71% of race

Time at Steady Pace

1:00:43

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi10:54:1824:287:5324:28
7:53
#13043
10K
6.21 mi11:19:0849:187:5624:50
8:00
#13849
15K
9.32 mi11:43:491:13:597:5624:41
7:57
#13884
20K
12.43 mi12:08:241:38:347:5624:35
7:55
#13551
Half
13.11 mi12:13:481:43:587:565:24
7:55
#13560
25K
15.53 mi12:32:532:03:037:5519:05
7:52
#13237
30K
18.64 mi12:57:302:27:407:5524:37
7:55
#12648
20M
20.00 mi13:08:092:38:197:5510:39
7:50
#12352
21M
21.00 mi13:16:302:46:407:568:21
8:21
#12149
35K
21.75 mi13:22:082:52:187:555:38
7:32
#12010
23M
23.00 mi13:31:513:02:017:559:43
7:46
#11764
24M
24.00 mi13:39:143:09:247:547:23
7:23
#11519
40K
24.85 mi13:45:443:15:547:536:30
7:36
#11321
25.2M
25.20 mi13:48:353:18:457:532:51
8:16
#11233
Finish
26.22 mi13:55:563:26:067:527:21
7:13
#11011
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130433464346413950(Top 52%)4049(Top 35%)4049(Top 83%)
10K6.21 mi3.10 mi13849-8063945-4813945-48114756(Top 55%)4509(Top 39%)4509(Top 92%)
15K9.32 mi3.11 mi13884-353985-403985-4013950(Top 52%)4049(Top 35%)4049(Top 83%)
20K12.43 mi3.11 mi13551+3333812+1733812+17312724(Top 48%)3386(Top 30%)3386(Top 69%)
Half13.11 mi0.68 mi13560-93814-23814-213689(Top 51%)3876(Top 34%)3876(Top 79%)
25K15.53 mi2.42 mi13237+3233641+1733641+17311695(Top 44%)2888(Top 25%)2888(Top 59%)
30K18.64 mi3.11 mi12648+5893345+2963345+29610330(Top 39%)2320(Top 20%)2320(Top 48%)
20M20.00 mi1.36 mi12352+2963187+1583187+1589178(Top 34%)1881(Top 16%)1881(Top 39%)
21M21.00 mi1.00 mi12149+2033095+923095+929564(Top 36%)2178(Top 19%)2178(Top 45%)
35K21.75 mi0.75 mi12010+1393030+653030+658818(Top 33%)1851(Top 16%)1851(Top 38%)
23M23.00 mi1.25 mi11764+2462913+1172913+1178185(Top 31%)1675(Top 15%)1675(Top 34%)
24M24.00 mi1.00 mi11519+2452802+1112802+1116992(Top 26%)1287(Top 11%)1287(Top 26%)
40K24.85 mi0.85 mi11321+1982713+892713+897391(Top 28%)1530(Top 13%)1530(Top 31%)
25.2M25.20 mi0.35 mi11233+882685+282685+288188(Top 31%)1915(Top 17%)1915(Top 39%)
Finish26.22 mi1.02 mi11011+2222601+842601+846564(Top 25%)1275(Top 11%)1275(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13950

Females

4049

F18-39

4049

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14756

Females

4509

F18-39

4509

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13950

Females

4049

F18-39

4049

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12724

Females

3386

F18-39

3386

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

13689

Females

3876

F18-39

3876

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11695

Females

2888

F18-39

2888

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10330

Females

2320

F18-39

2320

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9178

Females

1881

F18-39

1881

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9564

Females

2178

F18-39

2178

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8818

Females

1851

F18-39

1851

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8185

Females

1675

F18-39

1675

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6992

Females

1287

F18-39

1287

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7391

Females

1530

F18-39

1530

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8188

Females

1915

F18-39

1915

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6564

Females

1275

F18-39

1275

Passing Analysis

Category:
Athletes Passed
3239
Passed By
1207
Net Change
+2032
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13043
5K → 10K74880-806#13043#13849
10K → 15K162197-35#13849#13884
15K → 20K37340+333#13884#13551
20K → Half2736-9#13551#13560
Half → 25K3329+323#13560#13237
25K → 30K5967+589#13237#12648
30K → 20M3037+296#12648#12352
20M → 21M21916+203#12352#12149
21M → 35K1390+139#12149#12010
35K → 23M2515+246#12010#11764
23M → 24M2461+245#11764#11519
24M → 40K2024+198#11519#11321
40K → 25.2M902+88#11321#11233
25.2M → Finish2253+222#11233#11011
TOTALS32391207+2032
📊

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