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BOSTON MARATHON 2023

Jessica Philhour

Bib: 15569•F

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Division (F18-39)
#0 / 4884
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:24
Rank: #9932
Start → 5K
23:24 | 7:32/mi
10K· 6.21 mi
46:51
Rank: #10402 (-470)
5K → 10K
23:27 | 7:33/mi
15K· 9.32 mi
1:10:12
Rank: #10356 (+46)
10K → 15K
23:21 | 7:31/mi
20K· 12.43 mi
1:33:59
Rank: #10379 (-23)
15K → 20K
23:47 | 7:39/mi
Half· 13.11 mi
1:39:06
Rank: #10374 (+5)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:57:49
Rank: #10348 (+26)
Half → 25K
18:43 | 7:43/mi
30K· 18.64 mi
2:22:31
Rank: #10329 (+19)
25K → 30K
24:42 | 7:57/mi
20M
2:33:22
Rank: #10309 (+20)
30K → 20M
10:51 | 7:59/mi
21M
2:41:44
Rank: #10232 (+77)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:47:37
Rank: #10261 (-29)
21M → 35K
5:53 | 7:52/mi
23M
2:58:00
Rank: #10321 (-60)
35K → 23M
10:23 | 8:18/mi
24M
3:06:12
Rank: #10414 (-93)
23M → 24M
8:12 | 8:12/mi
40K· 24.85 mi
3:13:19
Rank: #10468 (-54)
24M → 40K
7:07 | 8:19/mi
25.2M
3:16:27
Rank: #10505 (-37)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:24:42
Rank: #10565 (-60)
25.2M → Finish
8:15 | 8:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:06
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:45:36
Pace8:03 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1323:247:3223:24
7:32
-
10K
6.21 mi11:17:4046:517:3223:27
7:33
+0:01
15K
9.32 mi11:41:011:10:127:3223:21
7:31
-0:02
20K
12.43 mi12:04:481:33:597:3423:47
7:39
+0:08
Half
13.11 mi12:09:551:39:067:345:07
7:30
-0:09
25K
15.53 mi12:28:381:57:497:3518:43
7:43
+0:13
30K
18.64 mi12:53:202:22:317:3924:42
7:57
+0:14
20M
20.00 mi13:04:112:33:227:4010:51
7:59
+0:02
21M
21.00 mi13:12:332:41:447:428:22
8:22
+0:23
35K
21.75 mi13:18:262:47:377:425:53
7:52
-0:30
23M
23.00 mi13:28:492:58:007:4410:23
8:18
+0:26
24M
24.00 mi13:37:013:06:127:468:12
8:12
-0:06
40K
24.85 mi13:44:083:13:197:477:07
8:19
+0:07
25.2M
25.20 mi13:47:163:16:277:483:08
9:05
+0:46
Finish
26.22 mi13:55:313:24:427:498:15
8:06
-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

7:30 /mi

Average Pace

7:49 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:49

58% of race

Time at Steady Pace

49:41

24% of race

Time at Slower Pace

37:12

18% of race

Average Pace: 7:48 /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 mi10:54:1323:247:3223:24
7:32
#9932
10K
6.21 mi11:17:4046:517:3223:27
7:33
#10402
15K
9.32 mi11:41:011:10:127:3223:21
7:31
#10356
20K
12.43 mi12:04:481:33:597:3423:47
7:39
#10379
Half
13.11 mi12:09:551:39:067:345:07
7:30
#10374
25K
15.53 mi12:28:381:57:497:3518:43
7:43
#10348
30K
18.64 mi12:53:202:22:317:3924:42
7:57
#10329
20M
20.00 mi13:04:112:33:227:4010:51
7:59
#10309
21M
21.00 mi13:12:332:41:447:428:22
8:22
#10232
35K
21.75 mi13:18:262:47:377:425:53
7:52
#10261
23M
23.00 mi13:28:492:58:007:4410:23
8:18
#10321
24M
24.00 mi13:37:013:06:127:468:12
8:12
#10414
40K
24.85 mi13:44:083:13:197:477:07
8:19
#10468
25.2M
25.20 mi13:47:163:16:277:483:08
9:05
#10505
Finish
26.22 mi13:55:313:24:427:498:15
8:06
#10565
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi99321834183410329(Top 39%)2001(Top 18%)2001(Top 41%)
10K6.21 mi3.10 mi10402-4702031-1972031-19710882(Top 41%)2256(Top 20%)2256(Top 46%)
15K9.32 mi3.11 mi10356+461991+401991+4010329(Top 39%)2001(Top 18%)2001(Top 41%)
20K12.43 mi3.11 mi10379-232011-202011-2010579(Top 40%)2190(Top 19%)2190(Top 45%)
Half13.11 mi0.68 mi10374+52016-52016-510343(Top 39%)2074(Top 18%)2074(Top 42%)
25K15.53 mi2.42 mi10348+262022-62022-610474(Top 39%)2221(Top 19%)2221(Top 45%)
30K18.64 mi3.11 mi10329+192069-472069-4710525(Top 40%)2405(Top 21%)2405(Top 49%)
20M20.00 mi1.36 mi10309+202075-62075-610194(Top 38%)2333(Top 20%)2333(Top 48%)
21M21.00 mi1.00 mi10232+772062+132062+139696(Top 36%)2251(Top 20%)2251(Top 46%)
35K21.75 mi0.75 mi10261-292092-302092-3011215(Top 42%)3000(Top 26%)3000(Top 61%)
23M23.00 mi1.25 mi10321-602159-672159-6711889(Top 45%)3465(Top 30%)3465(Top 71%)
24M24.00 mi1.00 mi10414-932235-762235-7612667(Top 48%)3967(Top 35%)3967(Top 81%)
40K24.85 mi0.85 mi10468-542296-612296-6112271(Top 46%)3826(Top 33%)3826(Top 78%)
25.2M25.20 mi0.35 mi10505-372323-272323-2713142(Top 49%)4337(Top 38%)4337(Top 89%)
Finish26.22 mi1.02 mi10565-602381-582381-5812807(Top 48%)4130(Top 36%)4130(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10329

Females

2001

F18-39

2001

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10882

Females

2256

F18-39

2256

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10329

Females

2001

F18-39

2001

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10579

Females

2190

F18-39

2190

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10343

Females

2074

F18-39

2074

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10474

Females

2221

F18-39

2221

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10525

Females

2405

F18-39

2405

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10194

Females

2333

F18-39

2333

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9696

Females

2251

F18-39

2251

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11215

Females

3000

F18-39

3000

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11889

Females

3465

F18-39

3465

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12667

Females

3967

F18-39

3967

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12271

Females

3826

F18-39

3826

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13142

Females

4337

F18-39

4337

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12807

Females

4130

F18-39

4130

Passing Analysis

Category:
Athletes Passed
1320*
Passed By
1952
Net Change
-633
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9932
5K → 10K140609-470#9932#10402
10K → 15K211165+46#10402#10356
15K → 20K145168-23#10356#10379
20K → Half3328+5#10379#10374
Half → 25K151125+26#10374#10348
25K → 30K164145+19#10348#10329
30K → 20M85*65+20#10329#10309
20M → 21M12245+77#10309#10232
21M → 35K3867-29#10232#10261
35K → 23M67127-60#10261#10321
23M → 24M33126-93#10321#10414
24M → 40K54108-54#10414#10468
40K → 25.2M1653-37#10468#10505
25.2M → Finish61121-60#10505#10565
TOTALS1320*1952-633

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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