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BOSTON MARATHON 2025

David Douin

Bib: 2837•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:13
Rank: #3877
Start → 5K
20:13 | 6:30/mi
10K· 6.21 mi
40:29
Rank: #3886 (-9)
5K → 10K
20:16 | 6:31/mi
15K· 9.32 mi
1:00:45
Rank: #3818 (+68)
10K → 15K
20:16 | 6:31/mi
20K· 12.43 mi
1:21:22
Rank: #3806 (+12)
15K → 20K
20:37 | 6:38/mi
Half· 13.11 mi
1:25:45
Rank: #3770 (+36)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:48
Rank: #3710 (+60)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:02:52
Rank: #3607 (+103)
25K → 30K
21:04 | 6:47/mi
20M
2:12:11
Rank: #3540 (+67)
30K → 20M
9:19 | 6:51/mi
21M
2:19:31
Rank: #3515 (+25)
20M → 21M
7:20 | 7:20/mi
35K· 21.75 mi
2:24:26
Rank: #3457 (+58)
21M → 35K
4:55 | 6:34/mi
23M
2:32:50
Rank: #3318 (+139)
35K → 23M
8:24 | 6:43/mi
24M
2:39:27
Rank: #3240 (+78)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:45:11
Rank: #3164 (+76)
24M → 40K
5:44 | 6:42/mi
25.2M
2:47:42
Rank: #3118 (+46)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:54:22
Rank: #3082 (+36)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:45
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:28:37
Pace6:46 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4120:136:3020:13
6:30
-
10K
6.21 mi10:41:5740:296:3120:16
6:31
+0:01
15K
9.32 mi11:02:131:00:456:3120:16
6:31
0:00
20K
12.43 mi11:22:501:21:226:3320:37
6:38
+0:07
Half
13.11 mi11:27:131:25:456:324:23
6:25
-0:13
25K
15.53 mi11:43:161:41:486:3316:03
6:37
+0:12
30K
18.64 mi12:04:202:02:526:3521:04
6:47
+0:10
20M
20.00 mi12:13:392:12:116:379:19
6:51
+0:04
21M
21.00 mi12:20:592:19:316:397:20
7:20
+0:29
35K
21.75 mi12:25:542:24:266:384:55
6:34
-0:46
23M
23.00 mi12:34:182:32:506:398:24
6:43
+0:09
24M
24.00 mi12:40:552:39:276:396:37
6:37
-0:06
40K
24.85 mi12:46:392:45:116:395:44
6:42
+0:05
25.2M
25.20 mi12:49:102:47:426:392:31
7:18
+0:36
Finish
26.22 mi12:55:502:54:226:396:40
6:33
-0:45

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

6:25 /mi

Average Pace

6:39 /mi

Slowest Pace

7:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:31

94% of race

Time at Steady Pace

9:51

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:21:4120:136:3020:13
6:30
#3877
10K
6.21 mi10:41:5740:296:3120:16
6:31
#3886
15K
9.32 mi11:02:131:00:456:3120:16
6:31
#3818
20K
12.43 mi11:22:501:21:226:3320:37
6:38
#3806
Half
13.11 mi11:27:131:25:456:324:23
6:25
#3770
25K
15.53 mi11:43:161:41:486:3316:03
6:37
#3710
30K
18.64 mi12:04:202:02:526:3521:04
6:47
#3607
20M
20.00 mi12:13:392:12:116:379:19
6:51
#3540
21M
21.00 mi12:20:592:19:316:397:20
7:20
#3515
35K
21.75 mi12:25:542:24:266:384:55
6:34
#3457
23M
23.00 mi12:34:182:32:506:398:24
6:43
#3318
24M
24.00 mi12:40:552:39:276:396:37
6:37
#3240
40K
24.85 mi12:46:392:45:116:395:44
6:42
#3164
25.2M
25.20 mi12:49:102:47:426:392:31
7:18
#3118
Finish
26.22 mi12:55:502:54:226:396:40
6:33
#3082
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3877366936693698(Top 13%)3491(Top 22%)3491(Top 62%)
10K6.21 mi3.10 mi3886-93675-63675-63890(Top 14%)3664(Top 23%)3664(Top 65%)
15K9.32 mi3.11 mi3818+683603+723603+723698(Top 13%)3491(Top 22%)3491(Top 62%)
20K12.43 mi3.11 mi3806+123590+133590+133918(Top 14%)3689(Top 23%)3689(Top 65%)
Half13.11 mi0.68 mi3770+363559+313559+313186(Top 11%)3027(Top 19%)3027(Top 54%)
25K15.53 mi2.42 mi3710+603503+563503+563572(Top 13%)3364(Top 21%)3364(Top 60%)
30K18.64 mi3.11 mi3607+1033407+963407+963319(Top 12%)3102(Top 19%)3102(Top 55%)
20M20.00 mi1.36 mi3540+673341+663341+663224(Top 11%)2980(Top 19%)2980(Top 53%)
21M21.00 mi1.00 mi3515+253317+243317+243751(Top 13%)3414(Top 21%)3414(Top 61%)
35K21.75 mi0.75 mi3457+583263+543263+542806(Top 10%)2588(Top 16%)2588(Top 46%)
23M23.00 mi1.25 mi3318+1393129+1343129+1342290(Top 8%)2133(Top 13%)2133(Top 38%)
24M24.00 mi1.00 mi3240+783055+743055+742547(Top 9%)2341(Top 15%)2341(Top 41%)
40K24.85 mi0.85 mi3164+762979+762979+762377(Top 8%)2174(Top 13%)2174(Top 39%)
25.2M25.20 mi0.35 mi3118+462936+432936+432478(Top 9%)2212(Top 14%)2212(Top 39%)
Finish26.22 mi1.02 mi3082+362903+332903+333007(Top 11%)2675(Top 17%)2675(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3698

Males

3491

M18-39

3491

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3890

Males

3664

M18-39

3664

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3698

Males

3491

M18-39

3491

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3918

Males

3689

M18-39

3689

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3186

Males

3027

M18-39

3027

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3572

Males

3364

M18-39

3364

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3319

Males

3102

M18-39

3102

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3224

Males

2980

M18-39

2980

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3751

Males

3414

M18-39

3414

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2806

Males

2588

M18-39

2588

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2290

Males

2133

M18-39

2133

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2547

Males

2341

M18-39

2341

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2377

Males

2174

M18-39

2174

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2478

Males

2212

M18-39

2212

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3007

Males

2675

M18-39

2675

Passing Analysis

Category:
Athletes Passed
1294
Passed By
499
Net Change
+795
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3877
5K → 10K132141-9#3877#3886
10K → 15K13365+68#3886#3818
15K → 20K9684+12#3818#3806
20K → Half371+36#3806#3770
Half → 25K9737+60#3770#3710
25K → 30K15653+103#3710#3607
30K → 20M9326+67#3607#3540
20M → 21M5429+25#3540#3515
21M → 35K668+58#3515#3457
35K → 23M1489+139#3457#3318
23M → 24M835+78#3318#3240
24M → 40K848+76#3240#3164
40K → 25.2M526+46#3164#3118
25.2M → Finish6327+36#3118#3082
TOTALS1294499+795
📊

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