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BOSTON MARATHON 2025

Matthew Clements

Bib: 1349•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Division (M18-39)
#0 / 5642
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:48
Rank: #2925
Start → 5K
19:48 | 6:22/mi
10K· 6.21 mi
39:13
Rank: #2502 (+423)
5K → 10K
19:25 | 6:15/mi
15K· 9.32 mi
58:36
Rank: #2300 (+202)
10K → 15K
19:23 | 6:14/mi
20K· 12.43 mi
1:18:14
Rank: #2238 (+62)
15K → 20K
19:38 | 6:19/mi
Half· 13.11 mi
1:22:33
Rank: #2257 (-19)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:38:19
Rank: #2339 (-82)
Half → 25K
15:46 | 6:30/mi
30K· 18.64 mi
1:58:44
Rank: #2286 (+53)
25K → 30K
20:25 | 6:34/mi
20M
2:07:52
Rank: #2282 (+4)
30K → 20M
9:08 | 6:43/mi
21M
2:14:58
Rank: #2281 (+1)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:20:00
Rank: #2305 (-24)
21M → 35K
5:02 | 6:44/mi
23M
2:28:41
Rank: #2340 (-35)
35K → 23M
8:41 | 6:56/mi
24M
2:35:34
Rank: #2377 (-37)
23M → 24M
6:53 | 6:53/mi
40K· 24.85 mi
2:41:37
Rank: #2425 (-48)
24M → 40K
6:03 | 7:05/mi
25.2M
2:44:18
Rank: #2447 (-22)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:51:32
Rank: #2543 (-96)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:33
Pace6:18 /mi
2nd Half
Distance13.11 mi
Time1:28:59
Pace6:47 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5319:486:2219:48
6:22
-
10K
6.21 mi10:41:1839:136:1919:25
6:15
-0:07
15K
9.32 mi11:00:4158:366:1719:23
6:14
-0:01
20K
12.43 mi11:20:191:18:146:1819:38
6:19
+0:05
Half
13.11 mi11:24:381:22:336:184:19
6:20
+0:01
25K
15.53 mi11:40:241:38:196:2015:46
6:30
+0:10
30K
18.64 mi12:00:491:58:446:2220:25
6:34
+0:04
20M
20.00 mi12:09:572:07:526:249:08
6:43
+0:09
21M
21.00 mi12:17:032:14:586:267:06
7:06
+0:23
35K
21.75 mi12:22:052:20:006:265:02
6:44
-0:22
23M
23.00 mi12:30:462:28:416:288:41
6:56
+0:12
24M
24.00 mi12:37:392:35:346:296:53
6:53
-0:03
40K
24.85 mi12:43:422:41:376:306:03
7:05
+0:12
25.2M
25.20 mi12:46:232:44:186:312:41
7:47
+0:42
Finish
26.22 mi12:53:372:51:326:337:14
7:06
-0:41

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

6:33 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:19

57% of race

Time at Steady Pace

41:28

24% of race

Time at Slower Pace

31:45

19% of race

Average Pace: 6:33 /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 mi10:21:5319:486:2219:48
6:22
#2925
10K
6.21 mi10:41:1839:136:1919:25
6:15
#2502
15K
9.32 mi11:00:4158:366:1719:23
6:14
#2300
20K
12.43 mi11:20:191:18:146:1819:38
6:19
#2238
Half
13.11 mi11:24:381:22:336:184:19
6:20
#2257
25K
15.53 mi11:40:241:38:196:2015:46
6:30
#2339
30K
18.64 mi12:00:491:58:446:2220:25
6:34
#2286
20M
20.00 mi12:09:572:07:526:249:08
6:43
#2282
21M
21.00 mi12:17:032:14:586:267:06
7:06
#2281
35K
21.75 mi12:22:052:20:006:265:02
6:44
#2305
23M
23.00 mi12:30:462:28:416:288:41
6:56
#2340
24M
24.00 mi12:37:392:35:346:296:53
6:53
#2377
40K
24.85 mi12:43:422:41:376:306:03
7:05
#2425
25.2M
25.20 mi12:46:232:44:186:312:41
7:47
#2447
Finish
26.22 mi12:53:372:51:326:337:14
7:06
#2543
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2925278427842042(Top 7%)1946(Top 12%)1946(Top 34%)
10K6.21 mi3.10 mi2502+4232384+4002384+4002158(Top 8%)2061(Top 13%)2061(Top 37%)
15K9.32 mi3.11 mi2300+2022196+1882196+1882042(Top 7%)1946(Top 12%)1946(Top 34%)
20K12.43 mi3.11 mi2238+622139+572139+572106(Top 7%)2008(Top 12%)2008(Top 36%)
Half13.11 mi0.68 mi2257-192156-172156-172697(Top 9%)2580(Top 16%)2580(Top 46%)
25K15.53 mi2.42 mi2339-822232-762232-762911(Top 10%)2769(Top 17%)2769(Top 49%)
30K18.64 mi3.11 mi2286+532181+512181+512294(Top 8%)2173(Top 13%)2173(Top 39%)
20M20.00 mi1.36 mi2282+42177+42177+42564(Top 9%)2412(Top 15%)2412(Top 43%)
21M21.00 mi1.00 mi2281+12175+22175+22687(Top 9%)2497(Top 16%)2497(Top 44%)
35K21.75 mi0.75 mi2305-242197-222197-223685(Top 13%)3332(Top 21%)3332(Top 59%)
23M23.00 mi1.25 mi2340-352230-332230-333415(Top 12%)3103(Top 19%)3103(Top 55%)
24M24.00 mi1.00 mi2377-372263-332263-333987(Top 14%)3526(Top 22%)3526(Top 62%)
40K24.85 mi0.85 mi2425-482302-392302-394336(Top 15%)3734(Top 23%)3734(Top 66%)
25.2M25.20 mi0.35 mi2447-222321-192321-194759(Top 17%)3957(Top 25%)3957(Top 70%)
Finish26.22 mi1.02 mi2543-962409-882409-886349(Top 22%)4949(Top 31%)4949(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2042

Males

1946

M18-39

1946

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2158

Males

2061

M18-39

2061

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2042

Males

1946

M18-39

1946

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2106

Males

2008

M18-39

2008

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2697

Males

2580

M18-39

2580

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2911

Males

2769

M18-39

2769

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2294

Males

2173

M18-39

2173

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2564

Males

2412

M18-39

2412

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2687

Males

2497

M18-39

2497

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3685

Males

3332

M18-39

3332

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3415

Males

3103

M18-39

3103

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3987

Males

3526

M18-39

3526

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4336

Males

3734

M18-39

3734

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4759

Males

3957

M18-39

3957

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6349

Males

4949

M18-39

4949

Passing Analysis

Category:
Athletes Passed
1104
Passed By
722
Net Change
+382
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2925
5K → 10K43411+423#2925#2502
10K → 15K21715+202#2502#2300
15K → 20K10240+62#2300#2238
20K → Half625-19#2238#2257
Half → 25K28110-82#2257#2339
25K → 30K11158+53#2339#2286
30K → 20M4036+4#2286#2282
20M → 21M4140+1#2282#2281
21M → 35K1842-24#2281#2305
35K → 23M3873-35#2305#2340
23M → 24M2865-37#2340#2377
24M → 40K1967-48#2377#2425
40K → 25.2M931-22#2425#2447
25.2M → Finish13109-96#2447#2543
TOTALS1104722+382
📊

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