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BOSTON MARATHON 2025

Charles Williamson

Bib: 2573•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 19%
Division (M18-39)
#0 / 5642
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:43
Rank: #2729
Start → 5K
19:43 | 6:21/mi
10K· 6.21 mi
39:46
Rank: #3060 (-331)
5K → 10K
20:03 | 6:27/mi
15K· 9.32 mi
59:56
Rank: #3214 (-154)
10K → 15K
20:10 | 6:29/mi
20K· 12.43 mi
1:20:10
Rank: #3163 (+51)
15K → 20K
20:14 | 6:31/mi
Half· 13.11 mi
1:24:30
Rank: #3141 (+22)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:40:24
Rank: #3145 (-4)
Half → 25K
15:54 | 6:33/mi
30K· 18.64 mi
2:01:35
Rank: #3170 (-25)
25K → 30K
21:11 | 6:49/mi
20M
2:10:55
Rank: #3137 (+33)
30K → 20M
9:20 | 6:52/mi
21M
2:18:14
Rank: #3122 (+15)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:23:19
Rank: #3138 (-16)
21M → 35K
5:05 | 6:48/mi
23M
2:32:02
Rank: #3109 (+29)
35K → 23M
8:43 | 6:58/mi
24M
2:38:50
Rank: #3085 (+24)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:44:47
Rank: #3069 (+16)
24M → 40K
5:57 | 6:58/mi
25.2M
2:47:20
Rank: #3041 (+28)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:54:42
Rank: #3174 (-133)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:30
Pace6:27 /mi
2nd Half
Distance13.11 mi
Time1:30:12
Pace6:53 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2519:436:2119:43
6:21
-
10K
6.21 mi10:40:2839:466:2420:03
6:27
+0:06
15K
9.32 mi11:00:3859:566:2620:10
6:29
+0:02
20K
12.43 mi11:20:521:20:106:2720:14
6:31
+0:02
Half
13.11 mi11:25:121:24:306:274:20
6:21
-0:10
25K
15.53 mi11:41:061:40:246:2815:54
6:33
+0:12
30K
18.64 mi12:02:172:01:356:3121:11
6:49
+0:16
20M
20.00 mi12:11:372:10:556:339:20
6:52
+0:03
21M
21.00 mi12:18:562:18:146:357:19
7:19
+0:27
35K
21.75 mi12:24:012:23:196:355:05
6:48
-0:31
23M
23.00 mi12:32:442:32:026:378:43
6:58
+0:10
24M
24.00 mi12:39:322:38:506:376:48
6:48
-0:10
40K
24.85 mi12:45:292:44:476:385:57
6:58
+0:10
25.2M
25.20 mi12:48:022:47:206:382:33
7:24
+0:26
Finish
26.22 mi12:55:242:54:426:407:22
7:14
-0:10

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

6:21 /mi

Average Pace

6:40 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:28

90% of race

Time at Steady Pace

17:14

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:20:2519:436:2119:43
6:21
#2729
10K
6.21 mi10:40:2839:466:2420:03
6:27
#3060
15K
9.32 mi11:00:3859:566:2620:10
6:29
#3214
20K
12.43 mi11:20:521:20:106:2720:14
6:31
#3163
Half
13.11 mi11:25:121:24:306:274:20
6:21
#3141
25K
15.53 mi11:41:061:40:246:2815:54
6:33
#3145
30K
18.64 mi12:02:172:01:356:3121:11
6:49
#3170
20M
20.00 mi12:11:372:10:556:339:20
6:52
#3137
21M
21.00 mi12:18:562:18:146:357:19
7:19
#3122
35K
21.75 mi12:24:012:23:196:355:05
6:48
#3138
23M
23.00 mi12:32:442:32:026:378:43
6:58
#3109
24M
24.00 mi12:39:322:38:506:376:48
6:48
#3085
40K
24.85 mi12:45:292:44:476:385:57
6:58
#3069
25.2M
25.20 mi12:48:022:47:206:382:33
7:24
#3041
Finish
26.22 mi12:55:242:54:426:407:22
7:14
#3174
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2729260226023499(Top 12%)3310(Top 21%)3310(Top 59%)
10K6.21 mi3.10 mi3060-3312910-3082910-3083384(Top 12%)3213(Top 20%)3213(Top 57%)
15K9.32 mi3.11 mi3214-1543055-1453055-1453499(Top 12%)3310(Top 21%)3310(Top 59%)
20K12.43 mi3.11 mi3163+513012+433012+433194(Top 11%)3029(Top 19%)3029(Top 54%)
Half13.11 mi0.68 mi3141+222994+182994+182778(Top 10%)2654(Top 16%)2654(Top 47%)
25K15.53 mi2.42 mi3145-42998-42998-43192(Top 11%)3023(Top 19%)3023(Top 54%)
30K18.64 mi3.11 mi3170-253013-153013-153549(Top 12%)3294(Top 20%)3294(Top 58%)
20M20.00 mi1.36 mi3137+332974+392974+393295(Top 12%)3046(Top 19%)3046(Top 54%)
21M21.00 mi1.00 mi3122+152955+192955+193673(Top 13%)3355(Top 21%)3355(Top 59%)
35K21.75 mi0.75 mi3138-162971-162971-164032(Top 14%)3607(Top 22%)3607(Top 64%)
23M23.00 mi1.25 mi3109+292939+322939+323515(Top 12%)3185(Top 20%)3185(Top 56%)
24M24.00 mi1.00 mi3085+242914+252914+253478(Top 12%)3113(Top 19%)3113(Top 55%)
40K24.85 mi0.85 mi3069+162896+182896+183648(Top 13%)3218(Top 20%)3218(Top 57%)
25.2M25.20 mi0.35 mi3041+282869+272869+272884(Top 10%)2563(Top 16%)2563(Top 45%)
Finish26.22 mi1.02 mi3174-1332984-1152984-1157174(Top 25%)5421(Top 34%)5421(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3499

Males

3310

M18-39

3310

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3384

Males

3213

M18-39

3213

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3499

Males

3310

M18-39

3310

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3194

Males

3029

M18-39

3029

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2778

Males

2654

M18-39

2654

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3192

Males

3023

M18-39

3023

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3549

Males

3294

M18-39

3294

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3295

Males

3046

M18-39

3046

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3673

Males

3355

M18-39

3355

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

4032

Males

3607

M18-39

3607

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3515

Males

3185

M18-39

3185

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3478

Males

3113

M18-39

3113

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3648

Males

3218

M18-39

3218

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2884

Males

2563

M18-39

2563

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7174

Males

5421

M18-39

5421

Passing Analysis

Category:
Athletes Passed
764
Passed By
1209
Net Change
-445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2729
5K → 10K45376-331#2729#3060
10K → 15K44198-154#3060#3214
15K → 20K10655+51#3214#3163
20K → Half275+22#3163#3141
Half → 25K6771-4#3141#3145
25K → 30K98123-25#3145#3170
30K → 20M7643+33#3170#3137
20M → 21M5136+15#3137#3122
21M → 35K2743-16#3122#3138
35K → 23M7546+29#3138#3109
23M → 24M5935+24#3109#3085
24M → 40K4529+16#3085#3069
40K → 25.2M357+28#3069#3041
25.2M → Finish9142-133#3041#3174
TOTALS7641209-445
📊

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