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BOSTON MARATHON 2023

Pamela Mcwilliams

Bib: 13148•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Division (F18-39)
#0 / 4884
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:33
Rank: #10366
Start → 5K
23:33 | 7:35/mi
10K· 6.21 mi
46:44
Rank: #10236 (+130)
5K → 10K
23:11 | 7:28/mi
15K· 9.32 mi
1:09:26
Rank: #9610 (+626)
10K → 15K
22:42 | 7:18/mi
20K· 12.43 mi
1:32:17
Rank: #9199 (+411)
15K → 20K
22:51 | 7:21/mi
Half· 13.11 mi
1:37:17
Rank: #9186 (+13)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:56:18
Rank: #9532 (-346)
Half → 25K
19:01 | 7:51/mi
30K· 18.64 mi
2:20:09
Rank: #9302 (+230)
25K → 30K
23:51 | 7:41/mi
20M
2:30:42
Rank: #9237 (+65)
30K → 20M
10:33 | 7:46/mi
21M
2:39:36
Rank: #9434 (-197)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:45:17
Rank: #9401 (+33)
21M → 35K
5:41 | 7:36/mi
23M
2:56:08
Rank: #9674 (-273)
35K → 23M
10:51 | 8:40/mi
24M
3:04:27
Rank: #9820 (-146)
23M → 24M
8:19 | 8:19/mi
40K· 24.85 mi
3:11:55
Rank: #10014 (-194)
24M → 40K
7:28 | 8:44/mi
25.2M
3:15:19
Rank: #10132 (-118)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
3:23:33
Rank: #10214 (-82)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:17
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:46:16
Pace8:06 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5923:337:3523:33
7:35
-
10K
6.21 mi11:15:1046:447:3123:11
7:28
-0:07
15K
9.32 mi11:37:521:09:267:2722:42
7:18
-0:10
20K
12.43 mi12:00:431:32:177:2622:51
7:21
+0:03
Half
13.11 mi12:05:431:37:177:255:00
7:20
-0:01
25K
15.53 mi12:24:441:56:187:2919:01
7:51
+0:31
30K
18.64 mi12:48:352:20:097:3123:51
7:41
-0:10
20M
20.00 mi12:59:082:30:427:3210:33
7:46
+0:05
21M
21.00 mi13:08:022:39:367:368:54
8:54
+1:08
35K
21.75 mi13:13:432:45:177:365:41
7:36
-1:18
23M
23.00 mi13:24:342:56:087:3910:51
8:40
+1:04
24M
24.00 mi13:32:533:04:277:418:19
8:19
-0:21
40K
24.85 mi13:40:213:11:557:437:28
8:44
+0:25
25.2M
25.20 mi13:43:453:15:197:453:24
9:52
+1:08
Finish
26.22 mi13:51:593:23:337:468:14
8:05
-1:47

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

7:18 /mi

Average Pace

7:46 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

50:33

25% of race

Time at Steady Pace

1:54:04

56% of race

Time at Slower Pace

38:56

19% of race

Average Pace: 7:46 /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 mi10:51:5923:337:3523:33
7:35
#10366
10K
6.21 mi11:15:1046:447:3123:11
7:28
#10236
15K
9.32 mi11:37:521:09:267:2722:42
7:18
#9610
20K
12.43 mi12:00:431:32:177:2622:51
7:21
#9199
Half
13.11 mi12:05:431:37:177:255:00
7:20
#9186
25K
15.53 mi12:24:441:56:187:2919:01
7:51
#9532
30K
18.64 mi12:48:352:20:097:3123:51
7:41
#9302
20M
20.00 mi12:59:082:30:427:3210:33
7:46
#9237
21M
21.00 mi13:08:022:39:367:368:54
8:54
#9434
35K
21.75 mi13:13:432:45:177:365:41
7:36
#9401
23M
23.00 mi13:24:342:56:087:3910:51
8:40
#9674
24M
24.00 mi13:32:533:04:277:418:19
8:19
#9820
40K
24.85 mi13:40:213:11:557:437:28
8:44
#10014
25.2M
25.20 mi13:43:453:15:197:453:24
9:52
#10132
Finish
26.22 mi13:51:593:23:337:468:14
8:05
#10214
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10366202320238638(Top 32%)1297(Top 11%)1297(Top 27%)
10K6.21 mi3.10 mi10236+1301944+791944+7910175(Top 38%)1902(Top 17%)1902(Top 39%)
15K9.32 mi3.11 mi9610+6261665+2791665+2798638(Top 32%)1297(Top 11%)1297(Top 27%)
20K12.43 mi3.11 mi9199+4111514+1511514+1518195(Top 31%)1175(Top 10%)1175(Top 24%)
Half13.11 mi0.68 mi9186+13151415148911(Top 33%)1461(Top 13%)1461(Top 30%)
25K15.53 mi2.42 mi9532-3461663-1491663-14911457(Top 43%)2739(Top 24%)2739(Top 56%)
30K18.64 mi3.11 mi9302+2301609+541609+548501(Top 32%)1512(Top 13%)1512(Top 31%)
20M20.00 mi1.36 mi9237+65160916098617(Top 32%)1650(Top 14%)1650(Top 34%)
21M21.00 mi1.00 mi9434-1971708-991708-9912850(Top 48%)3858(Top 34%)3858(Top 79%)
35K21.75 mi0.75 mi9401+331713-51713-59304(Top 35%)2057(Top 18%)2057(Top 42%)
23M23.00 mi1.25 mi9674-2731850-1371850-13714175(Top 53%)4705(Top 41%)4705(Top 96%)
24M24.00 mi1.00 mi9820-1461947-971947-9713327(Top 50%)4285(Top 38%)4285(Top 88%)
40K24.85 mi0.85 mi10014-1942070-1232070-12314723(Top 55%)5136(Top 45%)5136(Top 105%)
25.2M25.20 mi0.35 mi10132-1182128-582128-5816805(Top 63%)6296(Top 55%)6296(Top 129%)
Finish26.22 mi1.02 mi10214-822202-742202-7412652(Top 48%)4028(Top 35%)4028(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8638

Females

1297

F18-39

1297

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10175

Females

1902

F18-39

1902

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8638

Females

1297

F18-39

1297

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8195

Females

1175

F18-39

1175

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8911

Females

1461

F18-39

1461

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11457

Females

2739

F18-39

2739

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8501

Females

1512

F18-39

1512

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8617

Females

1650

F18-39

1650

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12850

Females

3858

F18-39

3858

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9304

Females

2057

F18-39

2057

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

14175

Females

4705

F18-39

4705

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

13327

Females

4285

F18-39

4285

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14723

Females

5136

F18-39

5136

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16805

Females

6296

F18-39

6296

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12652

Females

4028

F18-39

4028

Passing Analysis

Category:
Athletes Passed
2150*
Passed By
1997
Net Change
+152
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10366
5K → 10K375*245+130#10366#10236
10K → 15K639*13+626#10236#9610
15K → 20K42312+411#9610#9199
20K → Half3017+13#9199#9186
Half → 25K44390-346#9186#9532
25K → 30K293*63+230#9532#9302
30K → 20M10540+65#9302#9237
20M → 21M40237-197#9237#9434
21M → 35K6532+33#9434#9401
35K → 23M31304-273#9401#9674
23M → 24M26172-146#9674#9820
24M → 40K26219-194#9820#10014
40K → 25.2M11129-118#10014#10132
25.2M → Finish42124-82#10132#10214
TOTALS2150*1997+152

* 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