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BOSTON MARATHON 2025

David Douma

Bib: 5790•M

TX

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0:00
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Division (M18-39)
#0 / 5642
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:04
Rank: #3536
Start → 5K
20:04 | 6:28/mi
10K· 6.21 mi
40:17
Rank: #3657 (-121)
5K → 10K
20:13 | 6:30/mi
15K· 9.32 mi
1:00:33
Rank: #3676 (-19)
10K → 15K
20:16 | 6:31/mi
20K· 12.43 mi
1:20:56
Rank: #3606 (+70)
15K → 20K
20:23 | 6:34/mi
Half· 13.11 mi
1:25:19
Rank: #3580 (+26)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:11
Rank: #3471 (+109)
Half → 25K
15:52 | 6:33/mi
30K· 18.64 mi
2:02:16
Rank: #3385 (+86)
25K → 30K
21:05 | 6:47/mi
20M
2:11:37
Rank: #3346 (+39)
30K → 20M
9:21 | 6:53/mi
21M
2:18:58
Rank: #3358 (-12)
20M → 21M
7:21 | 7:21/mi
35K· 21.75 mi
2:24:05
Rank: #3354 (+4)
21M → 35K
5:07 | 6:50/mi
23M
2:32:55
Rank: #3334 (+20)
35K → 23M
8:50 | 7:03/mi
24M
2:39:47
Rank: #3325 (+9)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:45:53
Rank: #3350 (-25)
24M → 40K
6:06 | 7:08/mi
25.2M
2:48:34
Rank: #3365 (-15)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:55:41
Rank: #3401 (-36)
25.2M → Finish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:19
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:30:22
Pace6:54 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:3420:046:2820:04
6:28
-
10K
6.21 mi10:46:4740:176:2920:13
6:30
+0:02
15K
9.32 mi11:07:031:00:336:3020:16
6:31
+0:01
20K
12.43 mi11:27:261:20:566:3120:23
6:34
+0:03
Half
13.11 mi11:31:491:25:196:304:23
6:25
-0:09
25K
15.53 mi11:47:411:41:116:3115:52
6:33
+0:08
30K
18.64 mi12:08:462:02:166:3421:05
6:47
+0:14
20M
20.00 mi12:18:072:11:376:359:21
6:53
+0:06
21M
21.00 mi12:25:282:18:586:377:21
7:21
+0:28
35K
21.75 mi12:30:352:24:056:385:07
6:50
-0:31
23M
23.00 mi12:39:252:32:556:398:50
7:03
+0:13
24M
24.00 mi12:46:172:39:476:396:52
6:52
-0:11
40K
24.85 mi12:52:232:45:536:406:06
7:08
+0:16
25.2M
25.20 mi12:55:042:48:346:412:41
7:47
+0:39
Finish
26.22 mi13:02:112:55:416:427:07
6:59
-0:48

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

6:42 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:11

58% of race

Time at Steady Pace

49:32

28% of race

Time at Slower Pace

24:58

14% of race

Average Pace: 6:42 /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 mi10:26:3420:046:2820:04
6:28
#3536
10K
6.21 mi10:46:4740:176:2920:13
6:30
#3657
15K
9.32 mi11:07:031:00:336:3020:16
6:31
#3676
20K
12.43 mi11:27:261:20:566:3120:23
6:34
#3606
Half
13.11 mi11:31:491:25:196:304:23
6:25
#3580
25K
15.53 mi11:47:411:41:116:3115:52
6:33
#3471
30K
18.64 mi12:08:462:02:166:3421:05
6:47
#3385
20M
20.00 mi12:18:072:11:376:359:21
6:53
#3346
21M
21.00 mi12:25:282:18:586:377:21
7:21
#3358
35K
21.75 mi12:30:352:24:056:385:07
6:50
#3354
23M
23.00 mi12:39:252:32:556:398:50
7:03
#3334
24M
24.00 mi12:46:172:39:476:396:52
6:52
#3325
40K
24.85 mi12:52:232:45:536:406:06
7:08
#3350
25.2M
25.20 mi12:55:042:48:346:412:41
7:47
#3365
Finish
26.22 mi13:02:112:55:416:427:07
6:59
#3401
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3536335833583712(Top 13%)3505(Top 22%)3505(Top 62%)
10K6.21 mi3.10 mi3657-1213468-1103468-1103783(Top 13%)3568(Top 22%)3568(Top 63%)
15K9.32 mi3.11 mi3676-193477-93477-93712(Top 13%)3505(Top 22%)3505(Top 62%)
20K12.43 mi3.11 mi3606+703414+633414+633487(Top 12%)3302(Top 21%)3302(Top 59%)
Half13.11 mi0.68 mi3580+263390+243390+243261(Top 11%)3102(Top 19%)3102(Top 55%)
25K15.53 mi2.42 mi3471+1093291+993291+993135(Top 11%)2969(Top 18%)2969(Top 53%)
30K18.64 mi3.11 mi3385+863203+883203+883362(Top 12%)3140(Top 19%)3140(Top 56%)
20M20.00 mi1.36 mi3346+393165+383165+383400(Top 12%)3146(Top 20%)3146(Top 56%)
21M21.00 mi1.00 mi3358-123174-93174-93873(Top 14%)3523(Top 22%)3523(Top 62%)
35K21.75 mi0.75 mi3354+43167+73167+74361(Top 15%)3890(Top 24%)3890(Top 69%)
23M23.00 mi1.25 mi3334+203144+233144+234082(Top 14%)3641(Top 23%)3641(Top 65%)
24M24.00 mi1.00 mi3325+93129+153129+153909(Top 14%)3462(Top 21%)3462(Top 61%)
40K24.85 mi0.85 mi3350-253151-223151-224669(Top 16%)3974(Top 25%)3974(Top 70%)
25.2M25.20 mi0.35 mi3365-153157-63157-64766(Top 17%)3964(Top 25%)3964(Top 70%)
Finish26.22 mi1.02 mi3401-363184-273184-275623(Top 20%)4494(Top 28%)4494(Top 80%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3712

Males

3505

M18-39

3505

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3783

Males

3568

M18-39

3568

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3712

Males

3505

M18-39

3505

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3487

Males

3302

M18-39

3302

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3261

Males

3102

M18-39

3102

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3135

Males

2969

M18-39

2969

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3362

Males

3140

M18-39

3140

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3400

Males

3146

M18-39

3146

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3873

Males

3523

M18-39

3523

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4361

Males

3890

M18-39

3890

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

4082

Males

3641

M18-39

3641

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3909

Males

3462

M18-39

3462

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4669

Males

3974

M18-39

3974

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4766

Males

3964

M18-39

3964

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5623

Males

4494

M18-39

4494

Passing Analysis

Category:
Athletes Passed
975
Passed By
840
Net Change
+135
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3536
5K → 10K80201-121#3536#3657
10K → 15K100119-19#3657#3676
15K → 20K12050+70#3676#3606
20K → Half348+26#3606#3580
Half → 25K12920+109#3580#3471
25K → 30K14963+86#3471#3385
30K → 20M7839+39#3385#3346
20M → 21M4860-12#3346#3358
21M → 35K3329+4#3358#3354
35K → 23M7353+20#3354#3334
23M → 24M4940+9#3334#3325
24M → 40K3257-25#3325#3350
40K → 25.2M2035-15#3350#3365
25.2M → Finish3066-36#3365#3401
TOTALS975840+135
📊

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