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BOSTON MARATHON 2023

Rebecca Markell

Bib: 19469•F

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:58
Rank: #21606
Start → 5K
28:58 | 9:19/mi
10K· 6.21 mi
58:49
Rank: #22245 (-639)
5K → 10K
29:51 | 9:36/mi
15K· 9.32 mi
1:27:25
Rank: #21926 (+319)
10K → 15K
28:36 | 9:12/mi
20K· 12.43 mi
1:56:15
Rank: #21684 (+242)
15K → 20K
28:50 | 9:17/mi
Half· 13.11 mi
2:02:22
Rank: #21620 (+64)
20K → Half
6:07 | 8:58/mi
25K· 15.53 mi
2:24:30
Rank: #21290 (+330)
Half → 25K
22:08 | 9:08/mi
30K· 18.64 mi
2:54:54
Rank: #21120 (+170)
25K → 30K
30:24 | 9:47/mi
20M
3:08:41
Rank: #21073 (+47)
30K → 20M
13:47 | 10:09/mi
21M
3:19:52
Rank: #21086 (-13)
20M → 21M
11:11 | 11:11/mi
35K· 21.75 mi
3:26:49
Rank: #21006 (+80)
21M → 35K
6:57 | 9:17/mi
23M
3:39:40
Rank: #20966 (+40)
35K → 23M
12:51 | 10:16/mi
24M
3:49:06
Rank: #20872 (+94)
23M → 24M
9:26 | 9:26/mi
40K· 24.85 mi
3:57:24
Rank: #20799 (+73)
24M → 40K
8:18 | 9:42/mi
25.2M
4:00:44
Rank: #20739 (+60)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
4:09:35
Rank: #20612 (+127)
25.2M → Finish
8:51 | 8:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:22
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:07:13
Pace9:42 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0428:589:1928:58
9:19
-
10K
6.21 mi11:50:5558:499:2829:51
9:36
+0:17
15K
9.32 mi12:19:311:27:259:2328:36
9:12
-0:24
20K
12.43 mi12:48:211:56:159:2128:50
9:17
+0:05
Half
13.11 mi12:54:282:02:229:206:07
8:58
-0:19
25K
15.53 mi13:16:362:24:309:1822:08
9:08
+0:10
30K
18.64 mi13:47:002:54:549:2330:24
9:47
+0:39
20M
20.00 mi14:00:473:08:419:2613:47
10:09
+0:22
21M
21.00 mi14:11:583:19:529:3111:11
11:11
+1:02
35K
21.75 mi14:18:553:26:499:316:57
9:17
-1:54
23M
23.00 mi14:31:463:39:409:3312:51
10:16
+0:59
24M
24.00 mi14:41:123:49:069:339:26
9:26
-0:50
40K
24.85 mi14:49:303:57:249:338:18
9:42
+0:16
25.2M
25.20 mi14:52:504:00:449:333:20
9:40
-0:02
Finish
26.22 mi15:01:414:09:359:328:51
8:41
-0:59

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

8:41 /mi

Average Pace

9:32 /mi

Slowest Pace

11:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:06

15% of race

Time at Steady Pace

2:24:16

58% of race

Time at Slower Pace

1:08:13

27% of race

Average Pace: 9:31 /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 mi11:21:0428:589:1928:58
9:19
#21606
10K
6.21 mi11:50:5558:499:2829:51
9:36
#22245
15K
9.32 mi12:19:311:27:259:2328:36
9:12
#21926
20K
12.43 mi12:48:211:56:159:2128:50
9:17
#21684
Half
13.11 mi12:54:282:02:229:206:07
8:58
#21620
25K
15.53 mi13:16:362:24:309:1822:08
9:08
#21290
30K
18.64 mi13:47:002:54:549:2330:24
9:47
#21120
20M
20.00 mi14:00:473:08:419:2613:47
10:09
#21073
21M
21.00 mi14:11:583:19:529:3111:11
11:11
#21086
35K
21.75 mi14:18:553:26:499:316:57
9:17
#21006
23M
23.00 mi14:31:463:39:409:3312:51
10:16
#20966
24M
24.00 mi14:41:123:49:069:339:26
9:26
#20872
40K
24.85 mi14:49:303:57:249:338:18
9:42
#20799
25.2M
25.20 mi14:52:504:00:449:333:20
9:40
#20739
Finish
26.22 mi15:01:414:09:359:328:51
8:41
#20612
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi216068694869421331(Top 80%)8415(Top 74%)8415(Top 448%)
10K6.21 mi3.10 mi22245-6398971-2778971-27722820(Top 86%)9241(Top 81%)9241(Top 492%)
15K9.32 mi3.11 mi21926+3198798+1738798+17321331(Top 80%)8415(Top 74%)8415(Top 448%)
20K12.43 mi3.11 mi21684+2428650+1488650+14820908(Top 79%)8178(Top 72%)8178(Top 435%)
Half13.11 mi0.68 mi21620+648618+328618+3220342(Top 76%)7877(Top 69%)7877(Top 419%)
25K15.53 mi2.42 mi21290+3308429+1898429+18919555(Top 73%)7457(Top 65%)7457(Top 397%)
30K18.64 mi3.11 mi21120+1708347+828347+8220414(Top 77%)8004(Top 70%)8004(Top 426%)
20M20.00 mi1.36 mi21073+478339+88339+820870(Top 78%)8338(Top 73%)8338(Top 444%)
21M21.00 mi1.00 mi21086-138371-328371-3221235(Top 80%)8589(Top 75%)8589(Top 457%)
35K21.75 mi0.75 mi21006+808329+428329+4219154(Top 72%)7484(Top 66%)7484(Top 399%)
23M23.00 mi1.25 mi20966+408321+88321+820752(Top 78%)8374(Top 73%)8374(Top 446%)
24M24.00 mi1.00 mi20872+948272+498272+4918997(Top 71%)7449(Top 65%)7449(Top 397%)
40K24.85 mi0.85 mi20799+738237+358237+3519070(Top 72%)7540(Top 66%)7540(Top 401%)
25.2M25.20 mi0.35 mi20739+608212+258212+2516065(Top 60%)5929(Top 52%)5929(Top 316%)
Finish26.22 mi1.02 mi20612+1278151+618151+6116439(Top 62%)6076(Top 53%)6076(Top 324%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21331

Females

8415

F40-44

8415

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

22820

Females

9241

F40-44

9241

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21331

Females

8415

F40-44

8415

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

20908

Females

8178

F40-44

8178

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20342

Females

7877

F40-44

7877

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

19555

Females

7457

F40-44

7457

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20414

Females

8004

F40-44

8004

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

20870

Females

8338

F40-44

8338

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

21235

Females

8589

F40-44

8589

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19154

Females

7484

F40-44

7484

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20752

Females

8374

F40-44

8374

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18997

Females

7449

F40-44

7449

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19070

Females

7540

F40-44

7540

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16065

Females

5929

F40-44

5929

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16439

Females

6076

F40-44

6076

Passing Analysis

Category:
Athletes Passed
2045
Passed By
1051
Net Change
+994
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21606
5K → 10K71710-639#21606#22245
10K → 15K37354+319#22245#21926
15K → 20K26725+242#21926#21684
20K → Half662+64#21684#21620
Half → 25K3399+330#21620#21290
25K → 30K22454+170#21290#21120
30K → 20M9043+47#21120#21073
20M → 21M5467-13#21073#21086
21M → 35K888+80#21086#21006
35K → 23M8848+40#21006#20966
23M → 24M11420+94#20966#20872
24M → 40K785+73#20872#20799
40K → 25.2M622+60#20799#20739
25.2M → Finish1314+127#20739#20612
TOTALS20451051+994
📊

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