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BOSTON MARATHON 2025

David Braun

Bib: 30100•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
29:21
Rank: #24050
Start → 5K
29:21 | 9:27/mi
10K· 6.21 mi
58:36
Rank: #23975 (+75)
5K → 10K
29:15 | 9:25/mi
15K· 9.32 mi
1:27:48
Rank: #23805 (+170)
10K → 15K
29:12 | 9:24/mi
20K· 12.43 mi
1:57:29
Rank: #23622 (+183)
15K → 20K
29:41 | 9:33/mi
Half· 13.11 mi
2:03:46
Rank: #23592 (+30)
20K → Half
6:17 | 9:13/mi
25K· 15.53 mi
2:27:17
Rank: #23356 (+236)
Half → 25K
23:31 | 9:42/mi
30K· 18.64 mi
2:59:07
Rank: #23109 (+247)
25K → 30K
31:50 | 10:15/mi
20M
3:12:53
Rank: #22976 (+133)
30K → 20M
13:46 | 10:08/mi
21M
3:23:31
Rank: #22841 (+135)
20M → 21M
10:38 | 10:38/mi
35K· 21.75 mi
3:30:30
Rank: #22723 (+118)
21M → 35K
6:59 | 9:20/mi
23M
3:42:39
Rank: #22537 (+186)
35K → 23M
12:09 | 9:42/mi
24M
3:52:08
Rank: #22407 (+130)
23M → 24M
9:29 | 9:29/mi
40K· 24.85 mi
4:00:10
Rank: #22280 (+127)
24M → 40K
8:02 | 9:24/mi
25.2M
4:04:02
Rank: #22256 (+24)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
4:13:46
Rank: #22204 (+52)
25.2M → Finish
9:44 | 9:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:03:46
Pace9:26 /mi
2nd Half
Distance13.11 mi
Time2:10:00
Pace9:55 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5329:219:2729:21
9:27
-
10K
6.21 mi12:20:0858:369:2629:15
9:25
-0:02
15K
9.32 mi12:49:201:27:489:2529:12
9:24
-0:01
20K
12.43 mi13:19:011:57:299:2729:41
9:33
+0:09
Half
13.11 mi13:25:182:03:469:266:17
9:13
-0:20
25K
15.53 mi13:48:492:27:179:2923:31
9:42
+0:29
30K
18.64 mi14:20:392:59:079:3731:50
10:15
+0:33
20M
20.00 mi14:34:253:12:539:3913:46
10:08
-0:07
21M
21.00 mi14:45:033:23:319:4110:38
10:38
+0:30
35K
21.75 mi14:52:023:30:309:416:59
9:20
-1:18
23M
23.00 mi15:04:113:42:399:4112:09
9:42
+0:22
24M
24.00 mi15:13:403:52:089:409:29
9:29
-0:13
40K
24.85 mi15:21:424:00:109:408:02
9:24
-0:05
25.2M
25.20 mi15:25:344:04:029:413:52
11:13
+1:49
Finish
26.22 mi15:35:184:13:469:419:44
9:33
-1:40

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

9:13 /mi

Average Pace

9:41 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:17

2% of race

Time at Steady Pace

3:07:23

74% of race

Time at Slower Pace

1:00:06

24% of race

Average Pace: 9:41 /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 mi11:50:5329:219:2729:21
9:27
#24050
10K
6.21 mi12:20:0858:369:2629:15
9:25
#23975
15K
9.32 mi12:49:201:27:489:2529:12
9:24
#23805
20K
12.43 mi13:19:011:57:299:2729:41
9:33
#23622
Half
13.11 mi13:25:182:03:469:266:17
9:13
#23592
25K
15.53 mi13:48:492:27:179:2923:31
9:42
#23356
30K
18.64 mi14:20:392:59:079:3731:50
10:15
#23109
20M
20.00 mi14:34:253:12:539:3913:46
10:08
#22976
21M
21.00 mi14:45:033:23:319:4110:38
10:38
#22841
35K
21.75 mi14:52:023:30:309:416:59
9:20
#22723
23M
23.00 mi15:04:113:42:399:4112:09
9:42
#22537
24M
24.00 mi15:13:403:52:089:409:29
9:29
#22407
40K
24.85 mi15:21:424:00:109:408:02
9:24
#22280
25.2M
25.20 mi15:25:344:04:029:413:52
11:13
#22256
Finish
26.22 mi15:35:184:13:469:419:44
9:33
#22204
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24050142631426323468(Top 83%)14045(Top 87%)14045(Top 249%)
10K6.21 mi3.10 mi23975+7514240+2314240+2323863(Top 84%)14197(Top 88%)14197(Top 252%)
15K9.32 mi3.11 mi23805+17014167+7314167+7323468(Top 83%)14045(Top 87%)14045(Top 249%)
20K12.43 mi3.11 mi23622+18314088+7914088+7923062(Top 81%)13815(Top 86%)13815(Top 245%)
Half13.11 mi0.68 mi23592+3014070+1814070+1822602(Top 80%)13605(Top 84%)13605(Top 241%)
25K15.53 mi2.42 mi23356+23613962+10813962+10822491(Top 79%)13502(Top 84%)13502(Top 239%)
30K18.64 mi3.11 mi23109+24713800+16213800+16222305(Top 79%)13303(Top 83%)13303(Top 236%)
20M20.00 mi1.36 mi22976+13313717+8313717+8321377(Top 75%)12759(Top 79%)12759(Top 226%)
21M21.00 mi1.00 mi22841+13513635+8213635+8220400(Top 72%)12218(Top 76%)12218(Top 217%)
35K21.75 mi0.75 mi22723+11813573+6213573+6219714(Top 69%)11840(Top 74%)11840(Top 210%)
23M23.00 mi1.25 mi22537+18613469+10413469+10419454(Top 68%)11653(Top 72%)11653(Top 207%)
24M24.00 mi1.00 mi22407+13013386+8313386+8319580(Top 69%)11665(Top 72%)11665(Top 207%)
40K24.85 mi0.85 mi22280+12713312+7413312+7418265(Top 64%)10971(Top 68%)10971(Top 194%)
25.2M25.20 mi0.35 mi22256+2413299+1313299+1321251(Top 75%)12413(Top 77%)12413(Top 220%)
Finish26.22 mi1.02 mi22204+5213250+4913250+4921361(Top 75%)12467(Top 77%)12467(Top 221%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

23468

Males

14045

M18-39

14045

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23863

Males

14197

M18-39

14197

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

23468

Males

14045

M18-39

14045

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

23062

Males

13815

M18-39

13815

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22602

Males

13605

M18-39

13605

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22491

Males

13502

M18-39

13502

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22305

Males

13303

M18-39

13303

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21377

Males

12759

M18-39

12759

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

20400

Males

12218

M18-39

12218

21M→35K

21.0 - 21.8 mi

Top 69%
×7stories
+17ft-86ft

Overall

19714

Males

11840

M18-39

11840

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

19454

Males

11653

M18-39

11653

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19580

Males

11665

M18-39

11665

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18265

Males

10971

M18-39

10971

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21251

Males

12413

M18-39

12413

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21361

Males

12467

M18-39

12467

Passing Analysis

Category:
Athletes Passed
2325
Passed By
479
Net Change
+1846
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24050
5K → 10K269194+75#24050#23975
10K → 15K24979+170#23975#23805
15K → 20K22946+183#23805#23622
20K → Half366+30#23622#23592
Half → 25K26428+236#23592#23356
25K → 30K30255+247#23356#23109
30K → 20M14815+133#23109#22976
20M → 21M14813+135#22976#22841
21M → 35K1202+118#22841#22723
35K → 23M1948+186#22723#22537
23M → 24M1377+130#22537#22407
24M → 40K1281+127#22407#22280
40K → 25.2M339+24#22280#22256
25.2M → Finish6816+52#22256#22204
TOTALS2325479+1846
📊

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