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BOSTON MARATHON 2025

Mathieu David

Bib: 11451•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 36%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:43
Rank: #10470
Start → 5K
22:43 | 7:19/mi
10K· 6.21 mi
45:16
Rank: #10207 (+263)
5K → 10K
22:33 | 7:15/mi
15K· 9.32 mi
1:08:11
Rank: #10338 (-131)
10K → 15K
22:55 | 7:23/mi
20K· 12.43 mi
1:30:55
Rank: #10003 (+335)
15K → 20K
22:44 | 7:19/mi
Half· 13.11 mi
1:35:55
Rank: #10017 (-14)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:53:52
Rank: #9821 (+196)
Half → 25K
17:57 | 7:24/mi
30K· 18.64 mi
2:17:53
Rank: #9679 (+142)
25K → 30K
24:01 | 7:44/mi
20M
2:28:27
Rank: #9570 (+109)
30K → 20M
10:34 | 7:47/mi
21M
2:37:06
Rank: #9647 (-77)
20M → 21M
8:39 | 8:39/mi
35K· 21.75 mi
2:42:44
Rank: #9591 (+56)
21M → 35K
5:38 | 7:32/mi
23M
2:52:32
Rank: #9507 (+84)
35K → 23M
9:48 | 7:50/mi
24M
3:00:25
Rank: #9523 (-16)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:07:13
Rank: #9514 (+9)
24M → 40K
6:48 | 7:57/mi
25.2M
3:10:14
Rank: #9513 (+1)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:18:25
Rank: #9647 (-134)
25.2M → Finish
8:11 | 8:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:55
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:42:30
Pace7:49 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5822:437:1922:43
7:19
-
10K
6.21 mi11:12:3145:167:1722:33
7:15
-0:04
15K
9.32 mi11:35:261:08:117:1922:55
7:23
+0:08
20K
12.43 mi11:58:101:30:557:1922:44
7:19
-0:04
Half
13.11 mi12:03:101:35:557:195:00
7:20
+0:01
25K
15.53 mi12:21:071:53:527:2017:57
7:24
+0:04
30K
18.64 mi12:45:082:17:537:2424:01
7:44
+0:20
20M
20.00 mi12:55:422:28:277:2510:34
7:47
+0:03
21M
21.00 mi13:04:212:37:067:298:39
8:39
+0:52
35K
21.75 mi13:09:592:42:447:295:38
7:32
-1:07
23M
23.00 mi13:19:472:52:327:309:48
7:50
+0:18
24M
24.00 mi13:27:403:00:257:317:53
7:53
+0:03
40K
24.85 mi13:34:283:07:137:326:48
7:57
+0:04
25.2M
25.20 mi13:37:293:10:147:333:01
8:45
+0:48
Finish
26.22 mi13:45:403:18:257:348:11
8:02
-0:43

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

7:15 /mi

Average Pace

7:34 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:52

57% of race

Time at Steady Pace

1:04:42

33% of race

Time at Slower Pace

19:51

10% of race

Average Pace: 7:34 /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 mi10:49:5822:437:1922:43
7:19
#10470
10K
6.21 mi11:12:3145:167:1722:33
7:15
#10207
15K
9.32 mi11:35:261:08:117:1922:55
7:23
#10338
20K
12.43 mi11:58:101:30:557:1922:44
7:19
#10003
Half
13.11 mi12:03:101:35:557:195:00
7:20
#10017
25K
15.53 mi12:21:071:53:527:2017:57
7:24
#9821
30K
18.64 mi12:45:082:17:537:2424:01
7:44
#9679
20M
20.00 mi12:55:422:28:277:2510:34
7:47
#9570
21M
21.00 mi13:04:212:37:067:298:39
8:39
#9647
35K
21.75 mi13:09:592:42:447:295:38
7:32
#9591
23M
23.00 mi13:19:472:52:327:309:48
7:50
#9507
24M
24.00 mi13:27:403:00:257:317:53
7:53
#9523
40K
24.85 mi13:34:283:07:137:326:48
7:57
#9514
25.2M
25.20 mi13:37:293:10:147:333:01
8:45
#9513
Finish
26.22 mi13:45:403:18:257:348:11
8:02
#9647
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi104708423842310634(Top 37%)8412(Top 52%)8412(Top 353%)
10K6.21 mi3.10 mi10207+2638272+1518272+1519977(Top 35%)8127(Top 50%)8127(Top 341%)
15K9.32 mi3.11 mi10338-1318319-478319-4710634(Top 37%)8412(Top 52%)8412(Top 353%)
20K12.43 mi3.11 mi10003+3358106+2138106+2139178(Top 32%)7550(Top 47%)7550(Top 316%)
Half13.11 mi0.68 mi10017-148106810610195(Top 36%)8111(Top 50%)8111(Top 340%)
25K15.53 mi2.42 mi9821+1967975+1317975+1319183(Top 32%)7439(Top 46%)7439(Top 312%)
30K18.64 mi3.11 mi9679+1427838+1377838+1379400(Top 33%)7373(Top 46%)7373(Top 309%)
20M20.00 mi1.36 mi9570+1097744+947744+948860(Top 31%)6926(Top 43%)6926(Top 290%)
21M21.00 mi1.00 mi9647-777767-237767-2311343(Top 40%)8041(Top 50%)8041(Top 337%)
35K21.75 mi0.75 mi9591+567712+557712+558826(Top 31%)6757(Top 42%)6757(Top 283%)
23M23.00 mi1.25 mi9507+847623+897623+898763(Top 31%)6588(Top 41%)6588(Top 276%)
24M24.00 mi1.00 mi9523-167589+347589+3410416(Top 37%)7383(Top 46%)7383(Top 309%)
40K24.85 mi0.85 mi9514+97551+387551+389818(Top 35%)6953(Top 43%)6953(Top 291%)
25.2M25.20 mi0.35 mi9513+17534+177534+1710234(Top 36%)7058(Top 44%)7058(Top 296%)
Finish26.22 mi1.02 mi9647-1347552-187552-1813043(Top 46%)8544(Top 53%)8544(Top 358%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

10634

Males

8412

M45-49

8412

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9977

Males

8127

M45-49

8127

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

10634

Males

8412

M45-49

8412

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9178

Males

7550

M45-49

7550

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

10195

Males

8111

M45-49

8111

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

9183

Males

7439

M45-49

7439

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9400

Males

7373

M45-49

7373

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

8860

Males

6926

M45-49

6926

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

11343

Males

8041

M45-49

8041

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8826

Males

6757

M45-49

6757

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8763

Males

6588

M45-49

6588

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10416

Males

7383

M45-49

7383

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9818

Males

6953

M45-49

6953

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10234

Males

7058

M45-49

7058

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

13043

Males

8544

M45-49

8544

Passing Analysis

Category:
Athletes Passed
2152*
Passed By
1328
Net Change
+823
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10470
5K → 10K402139+263#10470#10207
10K → 15K126257-131#10207#10338
15K → 20K37438+335#10338#10003
20K → Half2337-14#10003#10017
Half → 25K249*53+196#10017#9821
25K → 30K297155+142#9821#9679
30K → 20M15142+109#9679#9570
20M → 21M69146-77#9570#9647
21M → 35K8832+56#9647#9591
35K → 23M14965+84#9591#9507
23M → 24M7995-16#9507#9523
24M → 40K7768+9#9523#9514
40K → 25.2M3231+1#9514#9513
25.2M → Finish36170-134#9513#9647
TOTALS2152*1328+823

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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