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BOSTON MARATHON 2023

Jessica London-Rand

Bib: 24656•F

MA

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
33:25
Rank: #25296
Start → 5K
33:25 | 10:45/mi
10K· 6.21 mi
1:06:56
Rank: #25214 (+82)
5K → 10K
33:31 | 10:47/mi
15K· 9.32 mi
1:41:38
Rank: #25309 (-95)
10K → 15K
34:42 | 11:10/mi
20K· 12.43 mi
2:16:44
Rank: #25221 (+88)
15K → 20K
35:06 | 11:18/mi
Half· 13.11 mi
2:24:16
Rank: #25212 (+9)
20K → Half
7:32 | 11:02/mi
25K· 15.53 mi
2:52:50
Rank: #25192 (+20)
Half → 25K
28:34 | 11:47/mi
30K· 18.64 mi
3:31:04
Rank: #25132 (+60)
25K → 30K
38:14 | 12:18/mi
20M
3:46:43
Rank: #25018 (+114)
30K → 20M
15:39 | 11:31/mi
21M
3:59:23
Rank: #24970 (+48)
20M → 21M
12:40 | 12:40/mi
35K· 21.75 mi
4:07:53
Rank: #24934 (+36)
21M → 35K
8:30 | 11:22/mi
23M
4:23:02
Rank: #24916 (+18)
35K → 23M
15:09 | 12:06/mi
24M
4:34:48
Rank: #24886 (+30)
23M → 24M
11:46 | 11:46/mi
40K· 24.85 mi
4:44:29
Rank: #24834 (+52)
24M → 40K
9:41 | 11:20/mi
25.2M
4:49:05
Rank: #24837 (-3)
40K → 25.2M
4:36 | 13:20/mi
Finish· 26.22 mi
5:00:11
Rank: #24829 (+8)
25.2M → Finish
11:06 | 10:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:16
Pace11:00 /mi
2nd Half
Distance13.11 mi
Time2:35:55
Pace11:54 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4833:2510:4533:25
10:45
-
10K
6.21 mi12:29:191:06:5610:4633:31
10:47
+0:02
15K
9.32 mi13:04:011:41:3810:5434:42
11:10
+0:23
20K
12.43 mi13:39:072:16:4411:0035:06
11:18
+0:08
Half
13.11 mi13:46:392:24:1611:007:32
11:02
-0:16
25K
15.53 mi14:15:132:52:5011:0828:34
11:47
+0:45
30K
18.64 mi14:53:273:31:0411:1938:14
12:18
+0:31
20M
20.00 mi15:09:063:46:4311:2015:39
11:31
-0:47
21M
21.00 mi15:21:463:59:2311:2412:40
12:40
+1:09
35K
21.75 mi15:30:164:07:5311:248:30
11:22
-1:18
23M
23.00 mi15:45:254:23:0211:2615:09
12:06
+0:44
24M
24.00 mi15:57:114:34:4811:2711:46
11:46
-0:20
40K
24.85 mi16:06:524:44:2911:279:41
11:20
-0:26
25.2M
25.20 mi16:11:284:49:0511:284:36
13:20
+2:00
Finish
26.22 mi16:22:345:00:1111:2711:06
10:54
-2:26

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

10:45 /mi

Average Pace

11:27 /mi

Slowest Pace

13:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:02

26% of race

Time at Steady Pace

1:51:10

37% of race

Time at Slower Pace

1:50:59

37% of race

Average Pace: 11:27 /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 mi11:55:4833:2510:4533:25
10:45
#25296
10K
6.21 mi12:29:191:06:5610:4633:31
10:47
#25214
15K
9.32 mi13:04:011:41:3810:5434:42
11:10
#25309
20K
12.43 mi13:39:072:16:4411:0035:06
11:18
#25221
Half
13.11 mi13:46:392:24:1611:007:32
11:02
#25212
25K
15.53 mi14:15:132:52:5011:0828:34
11:47
#25192
30K
18.64 mi14:53:273:31:0411:1938:14
12:18
#25132
20M
20.00 mi15:09:063:46:4311:2015:39
11:31
#25018
21M
21.00 mi15:21:463:59:2311:2412:40
12:40
#24970
35K
21.75 mi15:30:164:07:5311:248:30
11:22
#24934
23M
23.00 mi15:45:254:23:0211:2615:09
12:06
#24916
24M
24.00 mi15:57:114:34:4811:2711:46
11:46
#24886
40K
24.85 mi16:06:524:44:2911:279:41
11:20
#24834
25.2M
25.20 mi16:11:284:49:0511:284:36
13:20
#24837
Finish
26.22 mi16:22:345:00:1111:2711:06
10:54
#24829
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25296106091060925388(Top 95%)10678(Top 93%)10678(Top 569%)
10K6.21 mi3.10 mi25214+8210549+6010549+6025155(Top 94%)10526(Top 92%)10526(Top 560%)
15K9.32 mi3.11 mi25309-9510618-6910618-6925388(Top 95%)10678(Top 93%)10678(Top 569%)
20K12.43 mi3.11 mi25221+8810583+3510583+3525002(Top 94%)10479(Top 92%)10479(Top 558%)
Half13.11 mi0.68 mi25212+910578+510578+524997(Top 94%)10496(Top 92%)10496(Top 559%)
25K15.53 mi2.42 mi25192+2010581-310581-324967(Top 94%)10497(Top 92%)10497(Top 559%)
30K18.64 mi3.11 mi25132+6010561+2010561+2024813(Top 93%)10464(Top 92%)10464(Top 557%)
20M20.00 mi1.36 mi25018+11410506+5510506+5523555(Top 88%)9821(Top 86%)9821(Top 523%)
21M21.00 mi1.00 mi24970+4810493+1310493+1323682(Top 89%)9915(Top 87%)9915(Top 528%)
35K21.75 mi0.75 mi24934+3610474+1910474+1923922(Top 90%)10096(Top 88%)10096(Top 538%)
23M23.00 mi1.25 mi24916+1810471+310471+324137(Top 91%)10204(Top 89%)10204(Top 543%)
24M24.00 mi1.00 mi24886+3010468+310468+324231(Top 91%)10291(Top 90%)10291(Top 548%)
40K24.85 mi0.85 mi24834+5210441+2710441+2722941(Top 86%)9635(Top 84%)9635(Top 513%)
25.2M25.20 mi0.35 mi24837-310444-310444-324381(Top 92%)10368(Top 91%)10368(Top 552%)
Finish26.22 mi1.02 mi24829+810450-610450-623791(Top 89%)10055(Top 88%)10055(Top 535%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25388

Females

10678

F40-44

10678

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

25155

Females

10526

F40-44

10526

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25388

Females

10678

F40-44

10678

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

25002

Females

10479

F40-44

10479

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

24997

Females

10496

F40-44

10496

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

24967

Females

10497

F40-44

10497

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

24813

Females

10464

F40-44

10464

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

23555

Females

9821

F40-44

9821

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23682

Females

9915

F40-44

9915

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

23922

Females

10096

F40-44

10096

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24137

Females

10204

F40-44

10204

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24231

Females

10291

F40-44

10291

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22941

Females

9635

F40-44

9635

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

24381

Females

10368

F40-44

10368

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23791

Females

10055

F40-44

10055

Passing Analysis

Category:
Athletes Passed
1032
Passed By
565
Net Change
+467
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25296
5K → 10K206124+82#25296#25214
10K → 15K70165-95#25214#25309
15K → 20K13244+88#25309#25221
20K → Half3223+9#25221#25212
Half → 25K8767+20#25212#25192
25K → 30K9838+60#25192#25132
30K → 20M1184+114#25132#25018
20M → 21M6315+48#25018#24970
21M → 35K4610+36#24970#24934
35K → 23M4123+18#24934#24916
23M → 24M4313+30#24916#24886
24M → 40K6311+52#24886#24834
40K → 25.2M710-3#24834#24837
25.2M → Finish2618+8#24837#24829
TOTALS1032565+467
📊

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