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BOSTON MARATHON 2023

Emily Wilcheck

Bib: 15108•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 32%
Masters (Masters Women)
#0 / 6539
Top 19%
Division (F40-44)
#0 / 1878
Top 35%
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
7:56/mi
24:40
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
49:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:13:08
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:37:36
↑ 106↓ 860.1%
Half· 13.11 mi
7:49/mi
1:42:56
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
2:01:59
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:27:08
↑ 181↓ 1480.2%
20M
8:26/mi
2:38:35
↑ 64↓ 500.2%
21M
9:01/mi
2:47:36
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
2:53:49
↑ 17↓ 861.7%
23M
8:38/mi
3:04:38
↑ 23↓ 630.6%
24M
8:27/mi
3:13:05
↓ 821.3%
40K· 24.85 mi
8:43/mi
3:20:32
↓ 200.3%
25.2M
9:25/mi
3:23:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:35/mi
3:32:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:56
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:49:36
Pace8:22 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2124:407:5624:40
7:56
-
10K
6.21 mi11:18:4349:027:5324:22
7:51
-0:05
15K
9.32 mi11:42:491:13:087:5124:06
7:45
-0:06
20K
12.43 mi12:07:171:37:367:5124:28
7:53
+0:08
Half
13.11 mi12:12:371:42:567:515:20
7:49
-0:04
25K
15.53 mi12:31:402:01:597:5119:03
7:51
+0:02
30K
18.64 mi12:56:492:27:087:5425:09
8:06
+0:15
20M
20.00 mi13:08:162:38:357:5611:27
8:26
+0:20
21M
21.00 mi13:17:172:47:367:599:01
9:01
+0:35
35K
21.75 mi13:23:302:53:498:006:13
8:19
-0:42
23M
23.00 mi13:34:193:04:388:0210:49
8:38
+0:19
24M
24.00 mi13:42:463:13:058:038:27
8:27
-0:11
40K
24.85 mi13:50:133:20:328:047:27
8:43
+0:16
25.2M
25.20 mi13:53:283:23:478:053:15
9:25
+0:42
Finish
26.22 mi14:02:133:32:328:078:45
8:35
-0:50

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

7:45 /mi

Average Pace

8:07 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:59

57% of race

Time at Steady Pace

51:16

24% of race

Time at Slower Pace

39:17

18% of race

Average Pace: 8:06 /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 mi10:54:2124:407:5624:40
7:56
#13591
10K
6.21 mi11:18:4349:027:5324:22
7:51
#13521
15K
9.32 mi11:42:491:13:087:5124:06
7:45
#13104
20K
12.43 mi12:07:171:37:367:5124:28
7:53
#12892
Half
13.11 mi12:12:371:42:567:515:20
7:49
#12894
25K
15.53 mi12:31:402:01:597:5119:03
7:51
#12624
30K
18.64 mi12:56:492:27:087:5425:09
8:06
#12411
20M
20.00 mi13:08:162:38:357:5611:27
8:26
#12458
21M
21.00 mi13:17:172:47:367:599:01
9:01
#12500
35K
21.75 mi13:23:302:53:498:006:13
8:19
#12571
23M
23.00 mi13:34:193:04:388:0210:49
8:38
#12660
24M
24.00 mi13:42:463:13:058:038:27
8:27
#12727
40K
24.85 mi13:50:133:20:328:047:27
8:43
#12806
25.2M
25.20 mi13:53:283:23:478:053:15
9:25
#12834
Finish
26.22 mi14:02:133:32:328:078:45
8:35
#12943
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi135913774377412380(Top 47%)3122(Top 27%)3122(Top 166%)
10K6.21 mi3.10 mi13521+703750+243750+2413504(Top 51%)3728(Top 33%)3728(Top 199%)
15K9.32 mi3.11 mi13104+4173527+2233527+22312380(Top 47%)3122(Top 27%)3122(Top 166%)
20K12.43 mi3.11 mi12892+2123418+1093418+10912416(Top 47%)3209(Top 28%)3209(Top 171%)
Half13.11 mi0.68 mi12894-23419-13419-112934(Top 49%)3463(Top 30%)3463(Top 184%)
25K15.53 mi2.42 mi12624+2703293+1263293+12611610(Top 44%)2843(Top 25%)2843(Top 151%)
30K18.64 mi3.11 mi12411+2133207+863207+8611620(Top 44%)2976(Top 26%)2976(Top 158%)
20M20.00 mi1.36 mi12458-473245-383245-3813179(Top 50%)3948(Top 35%)3948(Top 210%)
21M21.00 mi1.00 mi12500-423301-563301-5613526(Top 51%)4221(Top 37%)4221(Top 225%)
35K21.75 mi0.75 mi12571-713351-503351-5014161(Top 53%)4641(Top 41%)4641(Top 247%)
23M23.00 mi1.25 mi12660-893426-753426-7514025(Top 53%)4626(Top 40%)4626(Top 246%)
24M24.00 mi1.00 mi12727-673488-623488-6214196(Top 53%)4782(Top 42%)4782(Top 255%)
40K24.85 mi0.85 mi12806-793556-683556-6814593(Top 55%)5067(Top 44%)5067(Top 270%)
25.2M25.20 mi0.35 mi12834-283578-223578-2214836(Top 56%)5194(Top 45%)5194(Top 277%)
Finish26.22 mi1.02 mi12943-1093670-923670-9215917(Top 60%)5752(Top 50%)5752(Top 306%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12380

Females

3122

F40-44

3122

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13504

Females

3728

F40-44

3728

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12380

Females

3122

F40-44

3122

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12416

Females

3209

F40-44

3209

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

12934

Females

3463

F40-44

3463

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11610

Females

2843

F40-44

2843

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11620

Females

2976

F40-44

2976

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

13179

Females

3948

F40-44

3948

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13526

Females

4221

F40-44

4221

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14161

Females

4641

F40-44

4641

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14025

Females

4626

F40-44

4626

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

14196

Females

4782

F40-44

4782

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14593

Females

5067

F40-44

5067

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14836

Females

5194

F40-44

5194

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15917

Females

5752

F40-44

5752

Passing Analysis

Category:
Athletes Passed
2129
Passed By
1481
Net Change
+648
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13591
5K → 10K331261+70#13591#13521
10K → 15K47457+417#13521#13104
15K → 20K29987+212#13104#12892
20K → Half3739-2#12892#12894
Half → 25K29020+270#12894#12624
25K → 30K30693+213#12624#12411
30K → 20M85132-47#12411#12458
20M → 21M80122-42#12458#12500
21M → 35K31102-71#12500#12571
35K → 23M59148-89#12571#12660
23M → 24M46113-67#12660#12727
24M → 40K44123-79#12727#12806
40K → 25.2M1745-28#12806#12834
25.2M → Finish30139-109#12834#12943
TOTALS21291481+648
📊

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