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BOSTON MARATHON 2023

Jessica Webb

Bib: 20209•F

CT

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:00/mi
27:58
↑ 97↓ 3451.5%
10K· 6.21 mi
9:05/mi
56:10
↑ 79↓ 1380.4%
15K· 9.32 mi
9:05/mi
1:24:23
↑ 67↓ 78
20K· 12.43 mi
9:34/mi
1:54:07
↑ 106↓ 860.1%
Half· 13.11 mi
8:55/mi
2:00:12
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:22:51
↑ 66↓ 880.2%
30K· 18.64 mi
9:53/mi
2:53:32
↑ 181↓ 1480.2%
20M
9:52/mi
3:06:56
↑ 64↓ 500.2%
21M
11:06/mi
3:18:02
↑ 106↓ 241.6%
35K· 21.75 mi
9:32/mi
3:25:10
↑ 17↓ 861.7%
23M
10:12/mi
3:37:56
↑ 23↓ 630.6%
24M
10:16/mi
3:48:12
↓ 821.3%
40K· 24.85 mi
10:06/mi
3:56:50
↓ 200.3%
25.2M
11:33/mi
4:00:49
↑ 13↓ 160.2%
Finish· 26.22 mi
9:57/mi
4:10:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:12
Pace9:10 /mi
2nd Half
Distance13.11 mi
Time2:10:45
Pace9:58 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3427:589:0027:58
9:00
-
10K
6.21 mi11:49:4656:109:0228:12
9:05
+0:05
15K
9.32 mi12:17:591:24:239:0328:13
9:05
0:00
20K
12.43 mi12:47:431:54:079:1129:44
9:34
+0:29
Half
13.11 mi12:53:482:00:129:106:05
8:55
-0:39
25K
15.53 mi13:16:272:22:519:1222:39
9:21
+0:26
30K
18.64 mi13:47:082:53:329:1930:41
9:53
+0:32
20M
20.00 mi14:00:323:06:569:2113:24
9:52
-0:01
21M
21.00 mi14:11:383:18:029:2611:06
11:06
+1:14
35K
21.75 mi14:18:463:25:109:267:08
9:32
-1:34
23M
23.00 mi14:31:323:37:569:2912:46
10:12
+0:40
24M
24.00 mi14:41:483:48:129:3110:16
10:16
+0:04
40K
24.85 mi14:50:263:56:509:328:38
10:06
-0:10
25.2M
25.20 mi14:54:254:00:499:333:59
11:33
+1:27
Finish
26.22 mi15:04:334:10:579:3510:08
9:57
-1:36

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

8:55 /mi

Average Pace

9:35 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:07

45% of race

Time at Steady Pace

1:52:29

45% of race

Time at Slower Pace

25:21

10% of race

Average Pace: 9:34 /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 mi11:21:3427:589:0027:58
9:00
#20461
10K
6.21 mi11:49:4656:109:0228:12
9:05
#20808
15K
9.32 mi12:17:591:24:239:0328:13
9:05
#20820
20K
12.43 mi12:47:431:54:079:1129:44
9:34
#21129
Half
13.11 mi12:53:482:00:129:106:05
8:55
#21075
25K
15.53 mi13:16:272:22:519:1222:39
9:21
#20917
30K
18.64 mi13:47:082:53:329:1930:41
9:53
#20867
20M
20.00 mi14:00:323:06:569:2113:24
9:52
#20775
21M
21.00 mi14:11:383:18:029:2611:06
11:06
#20795
35K
21.75 mi14:18:463:25:109:267:08
9:32
#20746
23M
23.00 mi14:31:323:37:569:2912:46
10:12
#20725
24M
24.00 mi14:41:483:48:129:3110:16
10:16
#20752
40K
24.85 mi14:50:263:56:509:328:38
10:06
#20728
25.2M
25.20 mi14:54:254:00:499:333:59
11:33
#20750
Finish
26.22 mi15:04:334:10:579:3510:08
9:57
#20762
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi204618093809320878(Top 78%)8172(Top 72%)8172(Top 435%)
10K6.21 mi3.10 mi20808-3478207-1148207-11421183(Top 80%)8374(Top 73%)8374(Top 446%)
15K9.32 mi3.11 mi20820-128188+198188+1920878(Top 78%)8172(Top 72%)8172(Top 435%)
20K12.43 mi3.11 mi21129-3098344-1568344-15621766(Top 82%)8664(Top 76%)8664(Top 461%)
Half13.11 mi0.68 mi21075+548311+338311+3320117(Top 76%)7744(Top 68%)7744(Top 412%)
25K15.53 mi2.42 mi20917+1588214+978214+9720339(Top 76%)7896(Top 69%)7896(Top 420%)
30K18.64 mi3.11 mi20867+508195+198195+1920697(Top 78%)8169(Top 72%)8169(Top 435%)
20M20.00 mi1.36 mi20775+928159+368159+3620074(Top 75%)7903(Top 69%)7903(Top 421%)
21M21.00 mi1.00 mi20795-208188-298188-2921045(Top 79%)8489(Top 74%)8489(Top 452%)
35K21.75 mi0.75 mi20746+498178+108178+1019984(Top 75%)7928(Top 69%)7928(Top 422%)
23M23.00 mi1.25 mi20725+218180-28180-220567(Top 77%)8276(Top 72%)8276(Top 441%)
24M24.00 mi1.00 mi20752-278208-288208-2821487(Top 81%)8837(Top 77%)8837(Top 471%)
40K24.85 mi0.85 mi20728+248201+78201+720245(Top 76%)8189(Top 72%)8189(Top 436%)
25.2M25.20 mi0.35 mi20750-228217-168217-1621684(Top 81%)8951(Top 78%)8951(Top 477%)
Finish26.22 mi1.02 mi20762-128235-188235-1821619(Top 81%)8919(Top 78%)8919(Top 475%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20878

Females

8172

F40-44

8172

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21183

Females

8374

F40-44

8374

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20878

Females

8172

F40-44

8172

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

21766

Females

8664

F40-44

8664

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20117

Females

7744

F40-44

7744

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20339

Females

7896

F40-44

7896

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

20697

Females

8169

F40-44

8169

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

20074

Females

7903

F40-44

7903

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21045

Females

8489

F40-44

8489

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19984

Females

7928

F40-44

7928

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20567

Females

8276

F40-44

8276

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21487

Females

8837

F40-44

8837

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20245

Females

8189

F40-44

8189

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21684

Females

8951

F40-44

8951

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21619

Females

8919

F40-44

8919

Passing Analysis

Category:
Athletes Passed
1275
Passed By
1576
Net Change
-301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20461
5K → 10K154501-347#20461#20808
10K → 15K169181-12#20808#20820
15K → 20K75384-309#20820#21129
20K → Half6713+54#21129#21075
Half → 25K19941+158#21075#20917
25K → 30K162112+50#20917#20867
30K → 20M12735+92#20867#20775
20M → 21M5676-20#20775#20795
21M → 35K6415+49#20795#20746
35K → 23M8160+21#20746#20725
23M → 24M3259-27#20725#20752
24M → 40K5127+24#20752#20728
40K → 25.2M931-22#20728#20750
25.2M → Finish2941-12#20750#20762
TOTALS12751576-301
📊

Passing Visuals

Category:
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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