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BOSTON MARATHON 2025

Jean-Marc Boudreau

Bib: 4237•M

NB

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
6:20/mi
19:42
↑ 97↓ 3451.5%
10K· 6.21 mi
6:17/mi
39:14
↑ 79↓ 1380.4%
15K· 9.32 mi
6:14/mi
58:36
↑ 67↓ 78
20K· 12.43 mi
6:19/mi
1:18:15
↑ 106↓ 860.1%
Half· 13.11 mi
6:08/mi
1:22:26
↑ 19↓ 370.5%
25K· 15.53 mi
6:19/mi
1:37:46
↑ 66↓ 880.2%
30K· 18.64 mi
6:44/mi
1:58:41
↑ 181↓ 1480.2%
20M
6:54/mi
2:08:03
↑ 64↓ 500.2%
21M
7:10/mi
2:15:13
↑ 106↓ 241.6%
35K· 21.75 mi
6:32/mi
2:20:06
↑ 17↓ 861.7%
23M
6:47/mi
2:28:35
↑ 23↓ 630.6%
24M
6:36/mi
2:35:11
↓ 821.3%
40K· 24.85 mi
6:45/mi
2:40:57
↓ 200.3%
25.2M
7:18/mi
2:43:28
↑ 13↓ 160.2%
Finish· 26.22 mi
6:28/mi
2:50:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:26
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:27:37
Pace6:41 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2419:426:2019:42
6:20
-
10K
6.21 mi10:41:5639:146:1919:32
6:17
-0:03
15K
9.32 mi11:01:1858:366:1719:22
6:14
-0:03
20K
12.43 mi11:20:571:18:156:1819:39
6:19
+0:05
Half
13.11 mi11:25:081:22:266:174:11
6:08
-0:11
25K
15.53 mi11:40:281:37:466:1815:20
6:19
+0:11
30K
18.64 mi12:01:231:58:416:2220:55
6:44
+0:25
20M
20.00 mi12:10:452:08:036:249:22
6:54
+0:10
21M
21.00 mi12:17:552:15:136:267:10
7:10
+0:16
35K
21.75 mi12:22:482:20:066:274:53
6:32
-0:38
23M
23.00 mi12:31:172:28:356:288:29
6:47
+0:15
24M
24.00 mi12:37:532:35:116:286:36
6:36
-0:11
40K
24.85 mi12:43:392:40:576:295:46
6:45
+0:09
25.2M
25.20 mi12:46:102:43:286:292:31
7:18
+0:33
Finish
26.22 mi12:52:452:50:036:296:35
6:28
-0:50

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

6:08 /mi

Average Pace

6:29 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:45

80% of race

Time at Steady Pace

30:47

18% of race

Time at Slower Pace

2:31

1% 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 mi10:22:2419:426:2019:42
6:20
#2687
10K
6.21 mi10:41:5639:146:1919:32
6:17
#2513
15K
9.32 mi11:01:1858:366:1719:22
6:14
#2295
20K
12.43 mi11:20:571:18:156:1819:39
6:19
#2243
Half
13.11 mi11:25:081:22:266:174:11
6:08
#2199
25K
15.53 mi11:40:281:37:466:1815:20
6:19
#2146
30K
18.64 mi12:01:231:58:416:2220:55
6:44
#2270
20M
20.00 mi12:10:452:08:036:249:22
6:54
#2330
21M
21.00 mi12:17:552:15:136:267:10
7:10
#2328
35K
21.75 mi12:22:482:20:066:274:53
6:32
#2319
23M
23.00 mi12:31:172:28:356:288:29
6:47
#2310
24M
24.00 mi12:37:532:35:116:286:36
6:36
#2302
40K
24.85 mi12:43:392:40:576:295:46
6:45
#2287
25.2M
25.20 mi12:46:102:43:286:292:31
7:18
#2280
Finish
26.22 mi12:52:452:50:036:296:35
6:28
#2279
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2687256125612003(Top 7%)1907(Top 12%)1907(Top 34%)
10K6.21 mi3.10 mi2513+1742393+1682393+1682332(Top 8%)2231(Top 14%)2231(Top 40%)
15K9.32 mi3.11 mi2295+2182191+2022191+2022003(Top 7%)1907(Top 12%)1907(Top 34%)
20K12.43 mi3.11 mi2243+522144+472144+472116(Top 7%)2017(Top 13%)2017(Top 36%)
Half13.11 mi0.68 mi2199+442099+452099+451668(Top 6%)1587(Top 10%)1587(Top 28%)
25K15.53 mi2.42 mi2146+532047+522047+521985(Top 7%)1889(Top 12%)1889(Top 33%)
30K18.64 mi3.11 mi2270-1242165-1182165-1183025(Top 11%)2842(Top 18%)2842(Top 50%)
20M20.00 mi1.36 mi2330-602222-572222-573434(Top 12%)3170(Top 20%)3170(Top 56%)
21M21.00 mi1.00 mi2328+22219+32219+32957(Top 10%)2731(Top 17%)2731(Top 48%)
35K21.75 mi0.75 mi2319+92209+102209+102565(Top 9%)2384(Top 15%)2384(Top 42%)
23M23.00 mi1.25 mi2310+92202+72202+72565(Top 9%)2368(Top 15%)2368(Top 42%)
24M24.00 mi1.00 mi2302+82191+112191+112472(Top 9%)2276(Top 14%)2276(Top 40%)
40K24.85 mi0.85 mi2287+152174+172174+172557(Top 9%)2325(Top 14%)2325(Top 41%)
25.2M25.20 mi0.35 mi2280+72167+72167+72460(Top 9%)2194(Top 14%)2194(Top 39%)
Finish26.22 mi1.02 mi2279+12163+42163+42595(Top 9%)2345(Top 15%)2345(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

2003

Males

1907

M18-39

1907

5K→10K

3.1 - 6.2 mi

Top 8%
×5story building
+79ft-138ft

Overall

2332

Males

2231

M18-39

2231

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

2003

Males

1907

M18-39

1907

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

2116

Males

2017

M18-39

2017

20K→Half

12.4 - 13.1 mi

Top 6%
×2story building
+19ft-37ft

Overall

1668

Males

1587

M18-39

1587

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

1985

Males

1889

M18-39

1889

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3025

Males

2842

M18-39

2842

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3434

Males

3170

M18-39

3170

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2957

Males

2731

M18-39

2731

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2565

Males

2384

M18-39

2384

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2565

Males

2368

M18-39

2368

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2472

Males

2276

M18-39

2276

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2557

Males

2325

M18-39

2325

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2460

Males

2194

M18-39

2194

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2595

Males

2345

M18-39

2345

Passing Analysis

Category:
Athletes Passed
978
Passed By
570
Net Change
+408
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2687
5K → 10K21137+174#2687#2513
10K → 15K2279+218#2513#2295
15K → 20K9846+52#2295#2243
20K → Half451+44#2243#2199
Half → 25K7421+53#2199#2146
25K → 30K49173-124#2146#2270
30K → 20M2484-60#2270#2330
20M → 21M4139+2#2330#2328
21M → 35K2617+9#2328#2319
35K → 23M4940+9#2319#2310
23M → 24M4234+8#2310#2302
24M → 40K4227+15#2302#2287
40K → 25.2M169+7#2287#2280
25.2M → Finish3433+1#2280#2279
TOTALS978570+408
📊

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