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BOSTON MARATHON 2025

Matthew Williamson

Bib: 2838•M

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:21
Rank: #2030
Start → 5K
19:21 | 6:14/mi
10K· 6.21 mi
39:17
Rank: #2575 (-545)
5K → 10K
19:56 | 6:25/mi
15K· 9.32 mi
59:14
Rank: #2712 (-137)
10K → 15K
19:57 | 6:25/mi
20K· 12.43 mi
1:19:25
Rank: #2800 (-88)
15K → 20K
20:11 | 6:30/mi
Half· 13.11 mi
1:23:42
Rank: #2772 (+28)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:39:55
Rank: #2950 (-178)
Half → 25K
16:13 | 6:41/mi
30K· 18.64 mi
2:03:29
Rank: #3784 (-834)
25K → 30K
23:34 | 7:35/mi
20M
2:14:24
Rank: #4265 (-481)
30K → 20M
10:55 | 8:02/mi
21M
2:22:13
Rank: #4386 (-121)
20M → 21M
7:49 | 7:49/mi
35K· 21.75 mi
2:27:36
Rank: #4455 (-69)
21M → 35K
5:23 | 7:12/mi
23M
2:36:37
Rank: #4453 (+2)
35K → 23M
9:01 | 7:12/mi
24M
2:43:48
Rank: #4512 (-59)
23M → 24M
7:11 | 7:11/mi
40K· 24.85 mi
2:49:54
Rank: #4507 (+5)
24M → 40K
6:06 | 7:08/mi
25.2M
2:52:32
Rank: #4499 (+8)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:59:29
Rank: #4527 (-28)
25.2M → Finish
6:57 | 6:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:42
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:35:47
Pace7:18 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5419:216:1419:21
6:14
-
10K
6.21 mi10:40:5039:176:1919:56
6:25
+0:11
15K
9.32 mi11:00:4759:146:2119:57
6:25
0:00
20K
12.43 mi11:20:581:19:256:2320:11
6:30
+0:05
Half
13.11 mi11:25:151:23:426:234:17
6:17
-0:13
25K
15.53 mi11:41:281:39:556:2616:13
6:41
+0:24
30K
18.64 mi12:05:022:03:296:3723:34
7:35
+0:54
20M
20.00 mi12:15:572:14:246:4310:55
8:02
+0:27
21M
21.00 mi12:23:462:22:136:467:49
7:49
-0:13
35K
21.75 mi12:29:092:27:366:475:23
7:12
-0:37
23M
23.00 mi12:38:102:36:376:499:01
7:12
0:00
24M
24.00 mi12:45:212:43:486:507:11
7:11
-0:01
40K
24.85 mi12:51:272:49:546:506:06
7:08
-0:03
25.2M
25.20 mi12:54:052:52:326:512:38
7:38
+0:30
Finish
26.22 mi13:01:022:59:296:516:57
6:49
-0:49

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

6:14 /mi

Average Pace

6:51 /mi

Slowest Pace

8:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:52

60% of race

Time at Steady Pace

27:41

15% of race

Time at Slower Pace

44:56

25% of race

Average Pace: 6:51 /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 mi10:20:5419:216:1419:21
6:14
#2030
10K
6.21 mi10:40:5039:176:1919:56
6:25
#2575
15K
9.32 mi11:00:4759:146:2119:57
6:25
#2712
20K
12.43 mi11:20:581:19:256:2320:11
6:30
#2800
Half
13.11 mi11:25:151:23:426:234:17
6:17
#2772
25K
15.53 mi11:41:281:39:556:2616:13
6:41
#2950
30K
18.64 mi12:05:022:03:296:3723:34
7:35
#3784
20M
20.00 mi12:15:572:14:246:4310:55
8:02
#4265
21M
21.00 mi12:23:462:22:136:467:49
7:49
#4386
35K
21.75 mi12:29:092:27:366:475:23
7:12
#4455
23M
23.00 mi12:38:102:36:376:499:01
7:12
#4453
24M
24.00 mi12:45:212:43:486:507:11
7:11
#4512
40K
24.85 mi12:51:272:49:546:506:06
7:08
#4507
25.2M
25.20 mi12:54:052:52:326:512:38
7:38
#4499
Finish
26.22 mi13:01:022:59:296:516:57
6:49
#4527
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2030193319333080(Top 11%)2933(Top 18%)2933(Top 52%)
10K6.21 mi3.10 mi2575-5452453-5202453-5203163(Top 11%)3011(Top 19%)3011(Top 53%)
15K9.32 mi3.11 mi2712-1372585-1322585-1323080(Top 11%)2933(Top 18%)2933(Top 52%)
20K12.43 mi3.11 mi2800-882670-852670-853120(Top 11%)2963(Top 18%)2963(Top 53%)
Half13.11 mi0.68 mi2772+282644+262644+262452(Top 9%)2349(Top 15%)2349(Top 42%)
25K15.53 mi2.42 mi2950-1782812-1682812-1684059(Top 14%)3783(Top 23%)3783(Top 67%)
30K18.64 mi3.11 mi3784-8343567-7553567-7558328(Top 29%)6780(Top 42%)6780(Top 120%)
20M20.00 mi1.36 mi4265-4813988-4213988-42110632(Top 37%)7840(Top 49%)7840(Top 139%)
21M21.00 mi1.00 mi4386-1214075-874075-876278(Top 22%)5246(Top 33%)5246(Top 93%)
35K21.75 mi0.75 mi4455-694130-554130-556547(Top 23%)5413(Top 34%)5413(Top 96%)
23M23.00 mi1.25 mi4453+24120+104120+104884(Top 17%)4235(Top 26%)4235(Top 75%)
24M24.00 mi1.00 mi4512-594160-404160-405715(Top 20%)4740(Top 29%)4740(Top 84%)
40K24.85 mi0.85 mi4507+54143+174143+174677(Top 16%)3982(Top 25%)3982(Top 71%)
25.2M25.20 mi0.35 mi4499+84132+114132+114069(Top 14%)3485(Top 22%)3485(Top 62%)
Finish26.22 mi1.02 mi4527-284152-204152-204631(Top 16%)3881(Top 24%)3881(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3080

Males

2933

M18-39

2933

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3163

Males

3011

M18-39

3011

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3080

Males

2933

M18-39

2933

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3120

Males

2963

M18-39

2963

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2452

Males

2349

M18-39

2349

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

4059

Males

3783

M18-39

3783

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8328

Males

6780

M18-39

6780

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10632

Males

7840

M18-39

7840

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6278

Males

5246

M18-39

5246

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6547

Males

5413

M18-39

5413

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4884

Males

4235

M18-39

4235

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5715

Males

4740

M18-39

4740

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4677

Males

3982

M18-39

3982

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

4069

Males

3485

M18-39

3485

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4631

Males

3881

M18-39

3881

Passing Analysis

Category:
Athletes Passed
486
Passed By
2983
Net Change
-2497
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2030
5K → 10K12557-545#2030#2575
10K → 15K44181-137#2575#2712
15K → 20K50138-88#2712#2800
20K → Half313+28#2800#2772
Half → 25K33211-178#2772#2950
25K → 30K9843-834#2950#3784
30K → 20M13494-481#3784#4265
20M → 21M36157-121#4265#4386
21M → 35K3099-69#4386#4455
35K → 23M7068+2#4455#4453
23M → 24M3897-59#4453#4512
24M → 40K5146+5#4512#4507
40K → 25.2M2517+8#4507#4499
25.2M → Finish4472-28#4499#4527
TOTALS4862983-2497
📊

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