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BOSTON MARATHON 2025

Benjamin Cooper-Janvier

Bib: 3450•M

AB

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:35
Rank: #2452
Start → 5K
19:35 | 6:18/mi
10K· 6.21 mi
39:16
Rank: #2546 (-94)
5K → 10K
19:41 | 6:20/mi
15K· 9.32 mi
58:58
Rank: #2544 (+2)
10K → 15K
19:42 | 6:20/mi
20K· 12.43 mi
1:18:52
Rank: #2527 (+17)
15K → 20K
19:54 | 6:24/mi
Half· 13.11 mi
1:23:13
Rank: #2542 (-15)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:39:00
Rank: #2587 (-45)
Half → 25K
15:47 | 6:31/mi
30K· 18.64 mi
1:59:59
Rank: #2639 (-52)
25K → 30K
20:59 | 6:45/mi
20M
2:09:19
Rank: #2664 (-25)
30K → 20M
9:20 | 6:52/mi
21M
2:16:34
Rank: #2691 (-27)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:21:34
Rank: #2692 (-1)
21M → 35K
5:00 | 6:41/mi
23M
2:30:22
Rank: #2732 (-40)
35K → 23M
8:48 | 7:02/mi
24M
2:37:23
Rank: #2761 (-29)
23M → 24M
7:01 | 7:01/mi
40K· 24.85 mi
2:43:26
Rank: #2780 (-19)
24M → 40K
6:03 | 7:05/mi
25.2M
2:46:07
Rank: #2796 (-16)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
2:52:52
Rank: #2794 (+2)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:13
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:29:39
Pace6:50 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2419:356:1819:35
6:18
-
10K
6.21 mi10:41:0539:166:1919:41
6:20
+0:02
15K
9.32 mi11:00:4758:586:2019:42
6:20
0:00
20K
12.43 mi11:20:411:18:526:2119:54
6:24
+0:04
Half
13.11 mi11:25:021:23:136:214:21
6:23
-0:01
25K
15.53 mi11:40:491:39:006:2215:47
6:31
+0:08
30K
18.64 mi12:01:481:59:596:2620:59
6:45
+0:14
20M
20.00 mi12:11:082:09:196:289:20
6:52
+0:07
21M
21.00 mi12:18:232:16:346:307:15
7:15
+0:23
35K
21.75 mi12:23:232:21:346:315:00
6:41
-0:34
23M
23.00 mi12:32:112:30:226:328:48
7:02
+0:21
24M
24.00 mi12:39:122:37:236:337:01
7:01
-0:01
40K
24.85 mi12:45:152:43:266:356:03
7:05
+0:04
25.2M
25.20 mi12:47:562:46:076:362:41
7:47
+0:42
Finish
26.22 mi12:54:412:52:526:366:45
6:37
-1:10

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

6:18 /mi

Average Pace

6:36 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:13

48% of race

Time at Steady Pace

57:51

33% of race

Time at Slower Pace

31:48

18% of race

Average Pace: 6:36 /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 mi10:21:2419:356:1819:35
6:18
#2452
10K
6.21 mi10:41:0539:166:1919:41
6:20
#2546
15K
9.32 mi11:00:4758:586:2019:42
6:20
#2544
20K
12.43 mi11:20:411:18:526:2119:54
6:24
#2527
Half
13.11 mi11:25:021:23:136:214:21
6:23
#2542
25K
15.53 mi11:40:491:39:006:2215:47
6:31
#2587
30K
18.64 mi12:01:481:59:596:2620:59
6:45
#2639
20M
20.00 mi12:11:082:09:196:289:20
6:52
#2664
21M
21.00 mi12:18:232:16:346:307:15
7:15
#2691
35K
21.75 mi12:23:232:21:346:315:00
6:41
#2692
23M
23.00 mi12:32:112:30:226:328:48
7:02
#2732
24M
24.00 mi12:39:122:37:236:337:01
7:01
#2761
40K
24.85 mi12:45:152:43:266:356:03
7:05
#2780
25.2M
25.20 mi12:47:562:46:076:362:41
7:47
#2796
Finish
26.22 mi12:54:412:52:526:366:45
6:37
#2794
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2452233523352584(Top 9%)2467(Top 15%)2467(Top 44%)
10K6.21 mi3.10 mi2546-942425-902425-902637(Top 9%)2514(Top 16%)2514(Top 45%)
15K9.32 mi3.11 mi2544+2242524252584(Top 9%)2467(Top 15%)2467(Top 44%)
20K12.43 mi3.11 mi2527+172411+142411+142540(Top 9%)2421(Top 15%)2421(Top 43%)
Half13.11 mi0.68 mi2542-152428-172428-172897(Top 10%)2764(Top 17%)2764(Top 49%)
25K15.53 mi2.42 mi2587-452469-412469-412928(Top 10%)2784(Top 17%)2784(Top 49%)
30K18.64 mi3.11 mi2639-522518-492518-493151(Top 11%)2955(Top 18%)2955(Top 52%)
20M20.00 mi1.36 mi2664-252539-212539-213282(Top 12%)3033(Top 19%)3033(Top 54%)
21M21.00 mi1.00 mi2691-272562-232562-233341(Top 12%)3063(Top 19%)3063(Top 54%)
35K21.75 mi0.75 mi2692-12561+12561+13356(Top 12%)3055(Top 19%)3055(Top 54%)
23M23.00 mi1.25 mi2732-402595-342595-343902(Top 14%)3491(Top 22%)3491(Top 62%)
24M24.00 mi1.00 mi2761-292618-232618-234687(Top 17%)4027(Top 25%)4027(Top 71%)
40K24.85 mi0.85 mi2780-192634-162634-164284(Top 15%)3682(Top 23%)3682(Top 65%)
25.2M25.20 mi0.35 mi2796-162647-132647-134663(Top 16%)3861(Top 24%)3861(Top 68%)
Finish26.22 mi1.02 mi2794+22644+32644+33431(Top 12%)3000(Top 19%)3000(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2584

Males

2467

M18-39

2467

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2637

Males

2514

M18-39

2514

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2584

Males

2467

M18-39

2467

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2540

Males

2421

M18-39

2421

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2897

Males

2764

M18-39

2764

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2928

Males

2784

M18-39

2784

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3151

Males

2955

M18-39

2955

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3282

Males

3033

M18-39

3033

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3341

Males

3063

M18-39

3063

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3356

Males

3055

M18-39

3055

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

3902

Males

3491

M18-39

3491

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4687

Males

4027

M18-39

4027

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4284

Males

3682

M18-39

3682

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4663

Males

3861

M18-39

3861

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3431

Males

3000

M18-39

3000

Passing Analysis

Category:
Athletes Passed
634
Passed By
976
Net Change
-342
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2452
5K → 10K69163-94#2452#2546
10K → 15K8280+2#2546#2544
15K → 20K8366+17#2544#2527
20K → Half1227-15#2527#2542
Half → 25K4590-45#2542#2587
25K → 30K71123-52#2587#2639
30K → 20M4671-25#2639#2664
20M → 21M4471-27#2664#2691
21M → 35K2526-1#2691#2692
35K → 23M4282-40#2692#2732
23M → 24M3261-29#2732#2761
24M → 40K2948-19#2761#2780
40K → 25.2M1228-16#2780#2796
25.2M → Finish4240+2#2796#2794
TOTALS634976-342
📊

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