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BOSTON MARATHON 2025

David Broud

Bib: 1539•M

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:00/mi
18:39
↑ 97↓ 3451.5%
10K· 6.21 mi
6:03/mi
37:28
↑ 79↓ 1380.4%
15K· 9.32 mi
6:06/mi
56:25
↑ 67↓ 78
20K· 12.43 mi
6:11/mi
1:15:39
↑ 106↓ 860.1%
Half· 13.11 mi
6:03/mi
1:19:47
↑ 19↓ 370.5%
25K· 15.53 mi
6:18/mi
1:35:03
↑ 66↓ 880.2%
30K· 18.64 mi
6:35/mi
1:55:30
↑ 181↓ 1480.2%
20M
6:53/mi
2:04:51
↑ 64↓ 500.2%
21M
7:32/mi
2:12:23
↑ 106↓ 241.6%
35K· 21.75 mi
6:45/mi
2:17:26
↑ 17↓ 861.7%
23M
7:14/mi
2:26:29
↑ 23↓ 630.6%
24M
7:11/mi
2:33:40
↓ 821.3%
40K· 24.85 mi
7:38/mi
2:40:12
↓ 200.3%
25.2M
8:39/mi
2:43:11
↑ 13↓ 160.2%
Finish· 26.22 mi
6:45/mi
2:50:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:47
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:30:17
Pace6:53 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0918:396:0018:39
6:00
-
10K
6.21 mi10:37:5837:286:0218:49
6:03
+0:03
15K
9.32 mi10:56:5556:256:0318:57
6:06
+0:03
20K
12.43 mi11:16:091:15:396:0519:14
6:11
+0:05
Half
13.11 mi11:20:171:19:476:054:08
6:03
-0:08
25K
15.53 mi11:35:331:35:036:0715:16
6:18
+0:15
30K
18.64 mi11:56:001:55:306:1220:27
6:35
+0:17
20M
20.00 mi12:05:212:04:516:159:21
6:53
+0:18
21M
21.00 mi12:12:532:12:236:187:32
7:32
+0:39
35K
21.75 mi12:17:562:17:266:195:03
6:45
-0:47
23M
23.00 mi12:26:592:26:296:229:03
7:14
+0:29
24M
24.00 mi12:34:102:33:406:247:11
7:11
-0:03
40K
24.85 mi12:40:422:40:126:276:32
7:38
+0:27
25.2M
25.20 mi12:43:412:43:116:292:59
8:39
+1:01
Finish
26.22 mi12:50:342:50:046:296:53
6:45
-1:54

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

6:00 /mi

Average Pace

6:29 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:03

56% of race

Time at Steady Pace

41:44

25% of race

Time at Slower Pace

33:17

20% of race

Average Pace: 6:29 /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 mi10:19:0918:396:0018:39
6:00
#1092
10K
6.21 mi10:37:5837:286:0218:49
6:03
#1170
15K
9.32 mi10:56:5556:256:0318:57
6:06
#1213
20K
12.43 mi11:16:091:15:396:0519:14
6:11
#1275
Half
13.11 mi11:20:171:19:476:054:08
6:03
#1273
25K
15.53 mi11:35:331:35:036:0715:16
6:18
#1348
30K
18.64 mi11:56:001:55:306:1220:27
6:35
#1463
20M
20.00 mi12:05:212:04:516:159:21
6:53
#1569
21M
21.00 mi12:12:532:12:236:187:32
7:32
#1693
35K
21.75 mi12:17:562:17:266:195:03
6:45
#1737
23M
23.00 mi12:26:592:26:296:229:03
7:14
#1867
24M
24.00 mi12:34:102:33:406:247:11
7:11
#1979
40K
24.85 mi12:40:422:40:126:276:32
7:38
#2127
25.2M
25.20 mi12:43:412:43:116:292:59
8:39
#2218
Finish
26.22 mi12:50:342:50:046:296:53
6:45
#2280
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1092103310331378(Top 5%)1310(Top 8%)1310(Top 23%)
10K6.21 mi3.10 mi1170-781107-741107-741311(Top 5%)1244(Top 8%)1244(Top 22%)
15K9.32 mi3.11 mi1213-431150-431150-431378(Top 5%)1310(Top 8%)1310(Top 23%)
20K12.43 mi3.11 mi1275-621206-561206-561548(Top 5%)1469(Top 9%)1469(Top 26%)
Half13.11 mi0.68 mi1273+21205+11205+11395(Top 5%)1327(Top 8%)1327(Top 24%)
25K15.53 mi2.42 mi1348-751277-721277-721838(Top 6%)1746(Top 11%)1746(Top 31%)
30K18.64 mi3.11 mi1463-1151383-1061383-1062330(Top 8%)2208(Top 14%)2208(Top 39%)
20M20.00 mi1.36 mi1569-1061488-1051488-1053357(Top 12%)3103(Top 19%)3103(Top 55%)
21M21.00 mi1.00 mi1693-1241605-1171605-1174739(Top 17%)4173(Top 26%)4173(Top 74%)
35K21.75 mi0.75 mi1737-441647-421647-423756(Top 13%)3378(Top 21%)3378(Top 60%)
23M23.00 mi1.25 mi1867-1301771-1241771-1245007(Top 18%)4314(Top 27%)4314(Top 76%)
24M24.00 mi1.00 mi1979-1121878-1071878-1075666(Top 20%)4691(Top 29%)4691(Top 83%)
40K24.85 mi0.85 mi2127-1482020-1422020-1427639(Top 27%)5777(Top 36%)5777(Top 102%)
25.2M25.20 mi0.35 mi2218-912108-882108-889580(Top 34%)6699(Top 42%)6699(Top 119%)
Finish26.22 mi1.02 mi2280-622164-562164-564187(Top 15%)3564(Top 22%)3564(Top 63%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1378

Males

1310

M18-39

1310

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1311

Males

1244

M18-39

1244

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1378

Males

1310

M18-39

1310

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1548

Males

1469

M18-39

1469

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1395

Males

1327

M18-39

1327

Half→25K

13.1 - 15.5 mi

Top 6%
×4story building
+66ft-88ft

Overall

1838

Males

1746

M18-39

1746

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2330

Males

2208

M18-39

2208

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3357

Males

3103

M18-39

3103

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4739

Males

4173

M18-39

4173

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3756

Males

3378

M18-39

3378

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

5007

Males

4314

M18-39

4314

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5666

Males

4691

M18-39

4691

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7639

Males

5777

M18-39

5777

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9580

Males

6699

M18-39

6699

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4187

Males

3564

M18-39

3564

Passing Analysis

Category:
Athletes Passed
237
Passed By
1425
Net Change
-1188
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1092
5K → 10K30108-78#1092#1170
10K → 15K2265-43#1170#1213
15K → 20K2890-62#1213#1275
20K → Half97+2#1275#1273
Half → 25K25100-75#1273#1348
25K → 30K27142-115#1348#1463
30K → 20M12118-106#1463#1569
20M → 21M16140-124#1569#1693
21M → 35K1155-44#1693#1737
35K → 23M17147-130#1737#1867
23M → 24M12124-112#1867#1979
24M → 40K10158-148#1979#2127
40K → 25.2M293-91#2127#2218
25.2M → Finish1678-62#2218#2280
TOTALS2371425-1188
📊

Passing Visuals

Category:
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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