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BOSTON MARATHON 2025

Charles Williams

Bib: 12744•M

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M45-49)
#0 / 2386
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:11
Rank: #8946
Start → 5K
22:11 | 7:08/mi
10K· 6.21 mi
44:02
Rank: #8547 (+399)
5K → 10K
21:51 | 7:02/mi
15K· 9.32 mi
1:05:33
Rank: #7987 (+560)
10K → 15K
21:31 | 6:56/mi
20K· 12.43 mi
1:26:57
Rank: #7475 (+512)
15K → 20K
21:24 | 6:53/mi
Half· 13.11 mi
1:31:34
Rank: #7381 (+94)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:48:17
Rank: #7063 (+318)
Half → 25K
16:43 | 6:54/mi
30K· 18.64 mi
2:10:31
Rank: #6679 (+384)
25K → 30K
22:14 | 7:09/mi
20M
2:19:36
Rank: #6258 (+421)
30K → 20M
9:05 | 6:41/mi
21M
2:26:51
Rank: #6038 (+220)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:31:49
Rank: #5901 (+137)
21M → 35K
4:58 | 6:38/mi
23M
2:40:27
Rank: #5648 (+253)
35K → 23M
8:38 | 6:54/mi
24M
2:47:02
Rank: #5458 (+190)
23M → 24M
6:35 | 6:35/mi
40K· 24.85 mi
2:52:43
Rank: #5284 (+174)
24M → 40K
5:41 | 6:39/mi
25.2M
2:55:15
Rank: #5221 (+63)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
3:01:57
Rank: #5099 (+122)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:31:34
Pace6:59 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:30:23
Pace6:54 /mi
📊Negative Split: 1.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1422:117:0822:11
7:08
-
10K
6.21 mi11:12:0544:027:0521:51
7:02
-0:06
15K
9.32 mi11:33:361:05:337:0221:31
6:56
-0:06
20K
12.43 mi11:55:001:26:577:0021:24
6:53
-0:03
Half
13.11 mi11:59:371:31:346:594:37
6:46
-0:07
25K
15.53 mi12:16:201:48:176:5816:43
6:54
+0:08
30K
18.64 mi12:38:342:10:317:0022:14
7:09
+0:15
20M
20.00 mi12:47:392:19:366:599:05
6:41
-0:28
21M
21.00 mi12:54:542:26:517:007:15
7:15
+0:34
35K
21.75 mi12:59:522:31:496:594:58
6:38
-0:37
23M
23.00 mi13:08:302:40:276:598:38
6:54
+0:16
24M
24.00 mi13:15:052:47:026:586:35
6:35
-0:19
40K
24.85 mi13:20:462:52:436:575:41
6:39
+0:04
25.2M
25.20 mi13:23:182:55:156:572:32
7:21
+0:42
Finish
26.22 mi13:30:003:01:576:576:42
6:34
-0:47

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

6:34 /mi

Average Pace

6:57 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:10

95% of race

Time at Steady Pace

9:47

5% of race

Time at Slower Pace

0:00

0% 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 mi10:50:1422:117:0822:11
7:08
#8946
10K
6.21 mi11:12:0544:027:0521:51
7:02
#8547
15K
9.32 mi11:33:361:05:337:0221:31
6:56
#7987
20K
12.43 mi11:55:001:26:577:0021:24
6:53
#7475
Half
13.11 mi11:59:371:31:346:594:37
6:46
#7381
25K
15.53 mi12:16:201:48:176:5816:43
6:54
#7063
30K
18.64 mi12:38:342:10:317:0022:14
7:09
#6679
20M
20.00 mi12:47:392:19:366:599:05
6:41
#6258
21M
21.00 mi12:54:542:26:517:007:15
7:15
#6038
35K
21.75 mi12:59:522:31:496:594:58
6:38
#5901
23M
23.00 mi13:08:302:40:276:598:38
6:54
#5648
24M
24.00 mi13:15:052:47:026:586:35
6:35
#5458
40K
24.85 mi13:20:462:52:436:575:41
6:39
#5284
25.2M
25.20 mi13:23:182:55:156:572:32
7:21
#5221
Finish
26.22 mi13:30:003:01:576:576:42
6:34
#5099
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8946757275727111(Top 25%)6329(Top 39%)6329(Top 265%)
10K6.21 mi3.10 mi8547+3997317+2557317+2558140(Top 29%)7053(Top 44%)7053(Top 296%)
15K9.32 mi3.11 mi7987+5606968+3496968+3497111(Top 25%)6329(Top 39%)6329(Top 265%)
20K12.43 mi3.11 mi7475+5126611+3576611+3576086(Top 21%)5499(Top 34%)5499(Top 230%)
Half13.11 mi0.68 mi7381+946545+666545+665764(Top 20%)5251(Top 33%)5251(Top 220%)
25K15.53 mi2.42 mi7063+3186303+2426303+2425603(Top 20%)5077(Top 32%)5077(Top 213%)
30K18.64 mi3.11 mi6679+3845964+3395964+3395635(Top 20%)5038(Top 31%)5038(Top 211%)
20M20.00 mi1.36 mi6258+4215625+3395625+3392395(Top 8%)2262(Top 14%)2262(Top 95%)
21M21.00 mi1.00 mi6038+2205432+1935432+1933372(Top 12%)3094(Top 19%)3094(Top 130%)
35K21.75 mi0.75 mi5901+1375326+1065326+1063165(Top 11%)2907(Top 18%)2907(Top 122%)
23M23.00 mi1.25 mi5648+2535110+2165110+2163188(Top 11%)2908(Top 18%)2908(Top 122%)
24M24.00 mi1.00 mi5458+1904949+1614949+1612422(Top 9%)2238(Top 14%)2238(Top 94%)
40K24.85 mi0.85 mi5284+1744799+1504799+1502156(Top 8%)1982(Top 12%)1982(Top 83%)
25.2M25.20 mi0.35 mi5221+634743+564743+562747(Top 10%)2449(Top 15%)2449(Top 103%)
Finish26.22 mi1.02 mi5099+1224631+1124631+1123196(Top 11%)2828(Top 18%)2828(Top 119%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7111

Males

6329

M45-49

6329

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

8140

Males

7053

M45-49

7053

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7111

Males

6329

M45-49

6329

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

6086

Males

5499

M45-49

5499

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5764

Males

5251

M45-49

5251

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5603

Males

5077

M45-49

5077

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5635

Males

5038

M45-49

5038

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2395

Males

2262

M45-49

2262

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3372

Males

3094

M45-49

3094

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3165

Males

2907

M45-49

2907

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3188

Males

2908

M45-49

2908

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2422

Males

2238

M45-49

2238

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2156

Males

1982

M45-49

1982

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2747

Males

2449

M45-49

2449

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3196

Males

2828

M45-49

2828

Passing Analysis

Category:
Athletes Passed
3967
Passed By
120
Net Change
+3847
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8946
5K → 10K47475+399#8946#8547
10K → 15K5677+560#8547#7987
15K → 20K5142+512#7987#7475
20K → Half951+94#7475#7381
Half → 25K3224+318#7381#7063
25K → 30K41026+384#7063#6679
30K → 20M4210+421#6679#6258
20M → 21M2200+220#6258#6038
21M → 35K1370+137#6038#5901
35K → 23M2530+253#5901#5648
23M → 24M1900+190#5648#5458
24M → 40K1762+174#5458#5284
40K → 25.2M641+63#5284#5221
25.2M → Finish1242+122#5221#5099
TOTALS3967120+3847
📊

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