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BOSTON MARATHON 2023

Charles Williams

Bib: 3433•M

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
Masters (Masters Men)
#0 / 9891
Top 14%
Division (M45-49)
#0 / 2252
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:50
Rank: #3727
Start → 5K
20:50 | 6:42/mi
10K· 6.21 mi
40:56
Rank: #3073 (+654)
5K → 10K
20:06 | 6:28/mi
15K· 9.32 mi
1:00:38
Rank: #2559 (+514)
10K → 15K
19:42 | 6:20/mi
20K· 12.43 mi
1:20:31
Rank: #2342 (+217)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:24:48
Rank: #2305 (+37)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:40:29
Rank: #2245 (+60)
Half → 25K
15:41 | 6:28/mi
30K· 18.64 mi
2:01:33
Rank: #2329 (-84)
25K → 30K
21:04 | 6:47/mi
20M
2:11:26
Rank: #2484 (-155)
30K → 20M
9:53 | 7:16/mi
21M
2:19:13
Rank: #2630 (-146)
20M → 21M
7:47 | 7:47/mi
35K· 21.75 mi
2:24:30
Rank: #2709 (-79)
21M → 35K
5:17 | 7:04/mi
23M
2:34:27
Rank: #3085 (-376)
35K → 23M
9:57 | 7:57/mi
24M
2:42:20
Rank: #3440 (-355)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
2:49:31
Rank: #3849 (-409)
24M → 40K
7:11 | 8:24/mi
25.2M
2:52:49
Rank: #4102 (-253)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:01:49
Rank: #4581 (-479)
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:48
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:37:01
Pace7:24 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1920:506:4220:50
6:42
-
10K
6.21 mi10:42:2540:566:3520:06
6:28
-0:14
15K
9.32 mi11:02:071:00:386:3019:42
6:20
-0:08
20K
12.43 mi11:22:001:20:316:2919:53
6:24
+0:04
Half
13.11 mi11:26:171:24:486:284:17
6:17
-0:07
25K
15.53 mi11:41:581:40:296:2815:41
6:28
+0:11
30K
18.64 mi12:03:022:01:336:3121:04
6:47
+0:19
20M
20.00 mi12:12:552:11:266:349:53
7:16
+0:29
21M
21.00 mi12:20:422:19:136:387:47
7:47
+0:31
35K
21.75 mi12:25:592:24:306:395:17
7:04
-0:43
23M
23.00 mi12:35:562:34:276:439:57
7:57
+0:53
24M
24.00 mi12:43:492:42:206:467:53
7:53
-0:04
40K
24.85 mi12:51:002:49:316:497:11
8:24
+0:31
25.2M
25.20 mi12:54:182:52:496:513:18
9:34
+1:10
Finish
26.22 mi13:03:183:01:496:569:00
8:50
-0:44

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

6:17 /mi

Average Pace

6:56 /mi

Slowest Pace

9:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:39

44% of race

Time at Steady Pace

57:04

31% of race

Time at Slower Pace

45:06

25% of race

Average Pace: 6:56 /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 mi10:22:1920:506:4220:50
6:42
#3727
10K
6.21 mi10:42:2540:566:3520:06
6:28
#3073
15K
9.32 mi11:02:071:00:386:3019:42
6:20
#2559
20K
12.43 mi11:22:001:20:316:2919:53
6:24
#2342
Half
13.11 mi11:26:171:24:486:284:17
6:17
#2305
25K
15.53 mi11:41:581:40:296:2815:41
6:28
#2245
30K
18.64 mi12:03:022:01:336:3121:04
6:47
#2329
20M
20.00 mi12:12:552:11:266:349:53
7:16
#2484
21M
21.00 mi12:20:422:19:136:387:47
7:47
#2630
35K
21.75 mi12:25:592:24:306:395:17
7:04
#2709
23M
23.00 mi12:35:562:34:276:439:57
7:57
#3085
24M
24.00 mi12:43:492:42:206:467:53
7:53
#3440
40K
24.85 mi12:51:002:49:316:497:11
8:24
#3849
25.2M
25.20 mi12:54:182:52:496:513:18
9:34
#4102
Finish
26.22 mi13:03:183:01:496:569:00
8:50
#4581
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3727350335031839(Top 7%)1762(Top 12%)1762(Top 78%)
10K6.21 mi3.10 mi3073+6542926+5772926+5772622(Top 10%)2508(Top 17%)2508(Top 111%)
15K9.32 mi3.11 mi2559+5142446+4802446+4801839(Top 7%)1762(Top 12%)1762(Top 78%)
20K12.43 mi3.11 mi2342+2172246+2002246+2001806(Top 7%)1729(Top 11%)1729(Top 77%)
Half13.11 mi0.68 mi2305+372209+372209+371743(Top 7%)1673(Top 11%)1673(Top 74%)
25K15.53 mi2.42 mi2245+602152+572152+572034(Top 8%)1949(Top 13%)1949(Top 87%)
30K18.64 mi3.11 mi2329-842233-812233-812863(Top 11%)2713(Top 18%)2713(Top 120%)
20M20.00 mi1.36 mi2484-1552379-1462379-1465461(Top 21%)4892(Top 32%)4892(Top 217%)
21M21.00 mi1.00 mi2630-1462516-1372516-1376057(Top 23%)5226(Top 34%)5226(Top 232%)
35K21.75 mi0.75 mi2709-792589-732589-735636(Top 21%)4967(Top 33%)4967(Top 221%)
23M23.00 mi1.25 mi3085-3762931-3422931-3429347(Top 35%)7133(Top 47%)7133(Top 317%)
24M24.00 mi1.00 mi3440-3553251-3203251-32010351(Top 39%)7560(Top 50%)7560(Top 336%)
40K24.85 mi0.85 mi3849-4093615-3643615-36412662(Top 48%)8597(Top 57%)8597(Top 382%)
25.2M25.20 mi0.35 mi4102-2533840-2253840-22515404(Top 58%)9825(Top 65%)9825(Top 436%)
Finish26.22 mi1.02 mi4581-4794253-4134253-41317164(Top 64%)10666(Top 70%)10666(Top 474%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1839

Males

1762

M45-49

1762

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2622

Males

2508

M45-49

2508

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1839

Males

1762

M45-49

1762

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1806

Males

1729

M45-49

1729

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1743

Males

1673

M45-49

1673

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2034

Males

1949

M45-49

1949

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2863

Males

2713

M45-49

2713

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5461

Males

4892

M45-49

4892

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6057

Males

5226

M45-49

5226

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5636

Males

4967

M45-49

4967

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9347

Males

7133

M45-49

7133

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10351

Males

7560

M45-49

7560

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12662

Males

8597

M45-49

8597

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15404

Males

9825

M45-49

9825

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

17164

Males

10666

M45-49

10666

Passing Analysis

Category:
Athletes Passed
1608
Passed By
2462
Net Change
-854
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3727
5K → 10K66713+654#3727#3073
10K → 15K5140+514#3073#2559
15K → 20K2181+217#2559#2342
20K → Half381+37#2342#2305
Half → 25K7717+60#2305#2245
25K → 30K44128-84#2245#2329
30K → 20M11166-155#2329#2484
20M → 21M8154-146#2484#2630
21M → 35K1190-79#2630#2709
35K → 23M8384-376#2709#3085
23M → 24M3358-355#3085#3440
24M → 40K5414-409#3440#3849
40K → 25.2M2255-253#3849#4102
25.2M → Finish2481-479#4102#4581
TOTALS16082462-854
📊

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