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BOSTON MARATHON 2023

Christine Mcwilliams

Bib: 22211•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:16
Rank: #17266
Start → 5K
26:16 | 8:27/mi
10K· 6.21 mi
52:28
Rank: #17505 (-239)
5K → 10K
26:12 | 8:26/mi
15K· 9.32 mi
1:19:00
Rank: #17699 (-194)
10K → 15K
26:32 | 8:32/mi
20K· 12.43 mi
1:49:54
Rank: #19555 (-1856)
15K → 20K
30:54 | 9:57/mi
Half· 13.11 mi
1:55:51
Rank: #19532 (+23)
20K → Half
5:57 | 8:43/mi
25K· 15.53 mi
2:19:20
Rank: #19980 (-448)
Half → 25K
23:29 | 9:41/mi
30K· 18.64 mi
2:51:20
Rank: #20421 (-441)
25K → 30K
32:00 | 10:18/mi
20M
3:07:11
Rank: #20824 (-403)
30K → 20M
15:51 | 11:40/mi
21M
3:17:13
Rank: #20648 (+176)
20M → 21M
10:02 | 10:02/mi
35K· 21.75 mi
3:23:25
Rank: #20468 (+180)
21M → 35K
6:12 | 8:17/mi
23M
3:35:04
Rank: #20307 (+161)
35K → 23M
11:39 | 9:18/mi
24M
3:44:11
Rank: #20211 (+96)
23M → 24M
9:07 | 9:07/mi
40K· 24.85 mi
3:51:44
Rank: #20065 (+146)
24M → 40K
7:33 | 8:50/mi
25.2M
3:55:04
Rank: #20006 (+59)
40K → 25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
4:03:55
Rank: #19894 (+112)
25.2M → Finish
8:51 | 8:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:51
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:08:04
Pace9:46 /mi
📊Positive Split: 10.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0626:168:2726:16
8:27
-
10K
6.21 mi11:46:1852:288:2726:12
8:26
-0:01
15K
9.32 mi12:12:501:19:008:2926:32
8:32
+0:06
20K
12.43 mi12:43:441:49:548:5130:54
9:57
+1:25
Half
13.11 mi12:49:411:55:518:505:57
8:43
-1:14
25K
15.53 mi13:13:102:19:208:5823:29
9:41
+0:58
30K
18.64 mi13:45:102:51:209:1132:00
10:18
+0:37
20M
20.00 mi14:01:013:07:119:2215:51
11:40
+1:22
21M
21.00 mi14:11:033:17:139:2310:02
10:02
-1:38
35K
21.75 mi14:17:153:23:259:216:12
8:17
-1:45
23M
23.00 mi14:28:543:35:049:2111:39
9:18
+1:01
24M
24.00 mi14:38:013:44:119:209:07
9:07
-0:11
40K
24.85 mi14:45:343:51:449:197:33
8:50
-0:17
25.2M
25.20 mi14:48:543:55:049:203:20
9:40
+0:50
Finish
26.22 mi14:57:454:03:559:198:51
8:41
-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

8:17 /mi

Average Pace

9:19 /mi

Slowest Pace

11:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:12

35% of race

Time at Steady Pace

43:07

18% of race

Time at Slower Pace

1:55:36

47% of race

Average Pace: 9:18 /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 mi11:20:0626:168:2726:16
8:27
#17266
10K
6.21 mi11:46:1852:288:2726:12
8:26
#17505
15K
9.32 mi12:12:501:19:008:2926:32
8:32
#17699
20K
12.43 mi12:43:441:49:548:5130:54
9:57
#19555
Half
13.11 mi12:49:411:55:518:505:57
8:43
#19532
25K
15.53 mi13:13:102:19:208:5823:29
9:41
#19980
30K
18.64 mi13:45:102:51:209:1132:00
10:18
#20421
20M
20.00 mi14:01:013:07:119:2215:51
11:40
#20824
21M
21.00 mi14:11:033:17:139:2310:02
10:02
#20648
35K
21.75 mi14:17:153:23:259:216:12
8:17
#20468
23M
23.00 mi14:28:543:35:049:2111:39
9:18
#20307
24M
24.00 mi14:38:013:44:119:209:07
9:07
#20211
40K
24.85 mi14:45:343:51:449:197:33
8:50
#20065
25.2M
25.20 mi14:48:543:55:049:203:20
9:40
#20006
Finish
26.22 mi14:57:454:03:559:198:51
8:41
#19894
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi172666107610718087(Top 68%)6559(Top 57%)6559(Top 543%)
10K6.21 mi3.10 mi17505-2396230-1236230-12317833(Top 67%)6394(Top 56%)6394(Top 530%)
15K9.32 mi3.11 mi17699-1946336-1066336-10618087(Top 68%)6559(Top 57%)6559(Top 543%)
20K12.43 mi3.11 mi19555-18567459-11237459-112322767(Top 86%)9225(Top 81%)9225(Top 764%)
Half13.11 mi0.68 mi19532+237448+117448+1119131(Top 72%)7173(Top 63%)7173(Top 594%)
25K15.53 mi2.42 mi19980-4487699-2517699-25121408(Top 80%)8503(Top 74%)8503(Top 704%)
30K18.64 mi3.11 mi20421-4417966-2677966-26721773(Top 82%)8777(Top 77%)8777(Top 727%)
20M20.00 mi1.36 mi20824-4038193-2278193-22723774(Top 89%)9945(Top 87%)9945(Top 824%)
21M21.00 mi1.00 mi20648+1768108+858108+8518170(Top 68%)6863(Top 60%)6863(Top 569%)
35K21.75 mi0.75 mi20468+1808022+868022+8614090(Top 53%)4626(Top 40%)4626(Top 383%)
23M23.00 mi1.25 mi20307+1617942+807942+8017566(Top 66%)6620(Top 58%)6620(Top 548%)
24M24.00 mi1.00 mi20211+967898+447898+4417765(Top 67%)6790(Top 59%)6790(Top 563%)
40K24.85 mi0.85 mi20065+1467822+767822+7615301(Top 57%)5483(Top 48%)5483(Top 454%)
25.2M25.20 mi0.35 mi20006+597794+287794+2816063(Top 60%)5927(Top 52%)5927(Top 491%)
Finish26.22 mi1.02 mi19894+1127732+627732+6216436(Top 62%)6073(Top 53%)6073(Top 503%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18087

Females

6559

F50-54

6559

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17833

Females

6394

F50-54

6394

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18087

Females

6559

F50-54

6559

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

22767

Females

9225

F50-54

9225

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

19131

Females

7173

F50-54

7173

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

21408

Females

8503

F50-54

8503

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

21773

Females

8777

F50-54

8777

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

23774

Females

9945

F50-54

9945

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18170

Females

6863

F50-54

6863

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14090

Females

4626

F50-54

4626

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17566

Females

6620

F50-54

6620

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17765

Females

6790

F50-54

6790

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15301

Females

5483

F50-54

5483

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

16063

Females

5927

F50-54

5927

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

16436

Females

6073

F50-54

6073

Passing Analysis

Category:
Athletes Passed
1431
Passed By
4059
Net Change
-2628
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17266
5K → 10K202441-239#17266#17505
10K → 15K121315-194#17505#17699
15K → 20K91865-1856#17699#19555
20K → Half4017+23#19555#19532
Half → 25K36484-448#19532#19980
25K → 30K51492-441#19980#20421
30K → 20M14417-403#20421#20824
20M → 21M1815+176#20824#20648
21M → 35K1800+180#20648#20468
35K → 23M1709+161#20468#20307
23M → 24M1037+96#20307#20211
24M → 40K1493+146#20211#20065
40K → 25.2M590+59#20065#20006
25.2M → Finish1164+112#20006#19894
TOTALS14314059-2628
📊

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