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BOSTON MARATHON 2023

Julia Erbacher Wylie

Bib: 18852•F

UT

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
26:53
Rank: #18602
Start → 5K
26:53 | 8:39/mi
10K· 6.21 mi
53:47
Rank: #18847 (-245)
5K → 10K
26:54 | 8:39/mi
15K· 9.32 mi
1:20:59
Rank: #18986 (-139)
10K → 15K
27:12 | 8:45/mi
20K· 12.43 mi
1:48:50
Rank: #19105 (-119)
15K → 20K
27:51 | 8:58/mi
Half· 13.11 mi
1:54:53
Rank: #19139 (-34)
20K → Half
6:03 | 8:52/mi
25K· 15.53 mi
2:17:23
Rank: #19326 (-187)
Half → 25K
22:30 | 9:17/mi
30K· 18.64 mi
2:47:04
Rank: #19413 (-87)
25K → 30K
29:41 | 9:33/mi
20M
3:00:25
Rank: #19461 (-48)
30K → 20M
13:21 | 9:49/mi
21M
3:10:55
Rank: #19480 (-19)
20M → 21M
10:30 | 10:30/mi
35K· 21.75 mi
3:18:06
Rank: #19508 (-28)
21M → 35K
7:11 | 9:36/mi
23M
3:30:36
Rank: #19551 (-43)
35K → 23M
12:30 | 9:59/mi
24M
3:40:11
Rank: #19564 (-13)
23M → 24M
9:35 | 9:35/mi
40K· 24.85 mi
3:48:42
Rank: #19583 (-19)
24M → 40K
8:31 | 9:58/mi
25.2M
3:52:19
Rank: #19582 (+1)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
4:02:09
Rank: #19637 (-55)
25.2M → Finish
9:50 | 9:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:53
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:07:16
Pace9:42 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3326:538:3926:53
8:39
-
10K
6.21 mi11:46:2753:478:3926:54
8:39
0:00
15K
9.32 mi12:13:391:20:598:4127:12
8:45
+0:06
20K
12.43 mi12:41:301:48:508:4527:51
8:58
+0:13
Half
13.11 mi12:47:331:54:538:466:03
8:52
-0:06
25K
15.53 mi13:10:032:17:238:5122:30
9:17
+0:25
30K
18.64 mi13:39:442:47:048:5829:41
9:33
+0:16
20M
20.00 mi13:53:053:00:259:0113:21
9:49
+0:16
21M
21.00 mi14:03:353:10:559:0510:30
10:30
+0:41
35K
21.75 mi14:10:463:18:069:077:11
9:36
-0:54
23M
23.00 mi14:23:163:30:369:0912:30
9:59
+0:23
24M
24.00 mi14:32:513:40:119:109:35
9:35
-0:24
40K
24.85 mi14:41:223:48:429:128:31
9:58
+0:23
25.2M
25.20 mi14:44:593:52:199:133:37
10:29
+0:31
Finish
26.22 mi14:54:494:02:099:159:50
9:39
-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

8:39 /mi

Average Pace

9:15 /mi

Slowest Pace

10:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:23

57% of race

Time at Steady Pace

1:09:38

29% of race

Time at Slower Pace

35:08

15% of race

Average Pace: 9:14 /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 mi11:19:3326:538:3926:53
8:39
#18602
10K
6.21 mi11:46:2753:478:3926:54
8:39
#18847
15K
9.32 mi12:13:391:20:598:4127:12
8:45
#18986
20K
12.43 mi12:41:301:48:508:4527:51
8:58
#19105
Half
13.11 mi12:47:331:54:538:466:03
8:52
#19139
25K
15.53 mi13:10:032:17:238:5122:30
9:17
#19326
30K
18.64 mi13:39:442:47:048:5829:41
9:33
#19413
20M
20.00 mi13:53:053:00:259:0113:21
9:49
#19461
21M
21.00 mi14:03:353:10:559:0510:30
10:30
#19480
35K
21.75 mi14:10:463:18:069:077:11
9:36
#19508
23M
23.00 mi14:23:163:30:369:0912:30
9:59
#19551
24M
24.00 mi14:32:513:40:119:109:35
9:35
#19564
40K
24.85 mi14:41:223:48:429:128:31
9:58
#19583
25.2M
25.20 mi14:44:593:52:199:133:37
10:29
#19582
Finish
26.22 mi14:54:494:02:099:159:50
9:39
#19637
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi186026938693819277(Top 72%)7259(Top 64%)7259(Top 387%)
10K6.21 mi3.10 mi18847-2457044-1067044-10619191(Top 72%)7196(Top 63%)7196(Top 383%)
15K9.32 mi3.11 mi18986-1397125-817125-8119277(Top 72%)7259(Top 64%)7259(Top 387%)
20K12.43 mi3.11 mi19105-1197178-537178-5319541(Top 73%)7405(Top 65%)7405(Top 394%)
Half13.11 mi0.68 mi19139-347201-237201-2319873(Top 75%)7598(Top 67%)7598(Top 405%)
25K15.53 mi2.42 mi19326-1877320-1197320-11920140(Top 76%)7779(Top 68%)7779(Top 414%)
30K18.64 mi3.11 mi19413-877377-577377-5719642(Top 74%)7557(Top 66%)7557(Top 402%)
20M20.00 mi1.36 mi19461-487429-527429-5219939(Top 75%)7814(Top 68%)7814(Top 416%)
21M21.00 mi1.00 mi19480-197449-207449-2019611(Top 74%)7709(Top 67%)7709(Top 410%)
35K21.75 mi0.75 mi19508-287467-187467-1820176(Top 76%)8033(Top 70%)8033(Top 428%)
23M23.00 mi1.25 mi19551-437495-287495-2819951(Top 75%)7926(Top 69%)7926(Top 422%)
24M24.00 mi1.00 mi19564-137518-237518-2319508(Top 73%)7718(Top 68%)7718(Top 411%)
40K24.85 mi0.85 mi19583-197532-147532-1419867(Top 75%)7984(Top 70%)7984(Top 425%)
25.2M25.20 mi0.35 mi19582+17541-97541-919102(Top 72%)7563(Top 66%)7563(Top 403%)
Finish26.22 mi1.02 mi19637-557578-377578-3720645(Top 78%)8375(Top 73%)8375(Top 446%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

19277

Females

7259

F40-44

7259

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

19191

Females

7196

F40-44

7196

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

19277

Females

7259

F40-44

7259

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19541

Females

7405

F40-44

7405

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

19873

Females

7598

F40-44

7598

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20140

Females

7779

F40-44

7779

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19642

Females

7557

F40-44

7557

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19939

Females

7814

F40-44

7814

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

19611

Females

7709

F40-44

7709

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

20176

Females

8033

F40-44

8033

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

19951

Females

7926

F40-44

7926

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19508

Females

7718

F40-44

7718

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19867

Females

7984

F40-44

7984

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19102

Females

7563

F40-44

7563

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20645

Females

8375

F40-44

8375

Passing Analysis

Category:
Athletes Passed
1058
Passed By
2093
Net Change
-1035
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18602
5K → 10K228473-245#18602#18847
10K → 15K127266-139#18847#18986
15K → 20K118237-119#18986#19105
20K → Half1448-34#19105#19139
Half → 25K71258-187#19139#19326
25K → 30K131218-87#19326#19413
30K → 20M69117-48#19413#19461
20M → 21M7089-19#19461#19480
21M → 35K3664-28#19480#19508
35K → 23M60103-43#19508#19551
23M → 24M4861-13#19551#19564
24M → 40K3756-19#19564#19583
40K → 25.2M2423+1#19583#19582
25.2M → Finish2580-55#19582#19637
TOTALS10582093-1035
📊

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