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BOSTON MARATHON 2025

Nicolas Perreault

Bib: 27615•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
31:43
Rank: #26076
Start → 5K
31:43 | 10:13/mi
10K· 6.21 mi
1:03:09
Rank: #25829 (+247)
5K → 10K
31:26 | 10:07/mi
15K· 9.32 mi
1:33:24
Rank: #25340 (+489)
10K → 15K
30:15 | 9:44/mi
20K· 12.43 mi
2:07:06
Rank: #25484 (-144)
15K → 20K
33:42 | 10:51/mi
Half· 13.11 mi
2:14:44
Rank: #25559 (-75)
20K → Half
7:38 | 11:11/mi
25K· 15.53 mi
2:44:13
Rank: #25821 (-262)
Half → 25K
29:29 | 12:10/mi
30K· 18.64 mi
3:21:51
Rank: #25806 (+15)
25K → 30K
37:38 | 12:07/mi
20M
3:39:00
Rank: #25816 (-10)
30K → 20M
17:09 | 12:37/mi
21M
3:51:54
Rank: #25790 (+26)
20M → 21M
12:54 | 12:54/mi
35K· 21.75 mi
4:01:00
Rank: #25817 (-27)
21M → 35K
9:06 | 12:10/mi
23M
4:16:04
Rank: #25799 (+18)
35K → 23M
15:04 | 12:02/mi
24M
4:26:38
Rank: #25711 (+88)
23M → 24M
10:34 | 10:34/mi
40K· 24.85 mi
4:37:14
Rank: #25722 (-11)
24M → 40K
10:36 | 12:24/mi
25.2M
4:41:22
Rank: #25697 (+25)
40K → 25.2M
4:08 | 11:59/mi
Finish· 26.22 mi
4:52:23
Rank: #25684 (+13)
25.2M → Finish
11:01 | 10:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:44
Pace10:17 /mi
2nd Half
Distance13.11 mi
Time2:37:39
Pace12:02 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:5931:4310:1331:43
10:13
-
10K
6.21 mi12:19:251:03:0910:1031:26
10:07
-0:06
15K
9.32 mi12:49:401:33:2410:0130:15
9:44
-0:23
20K
12.43 mi13:23:222:07:0610:1433:42
10:51
+1:07
Half
13.11 mi13:31:002:14:4410:177:38
11:11
+0:20
25K
15.53 mi14:00:292:44:1310:3429:29
12:10
+0:59
30K
18.64 mi14:38:073:21:5110:5037:38
12:07
-0:03
20M
20.00 mi14:55:163:39:0010:5717:09
12:37
+0:30
21M
21.00 mi15:08:103:51:5411:0312:54
12:54
+0:17
35K
21.75 mi15:17:164:01:0011:059:06
12:10
-0:44
23M
23.00 mi15:32:204:16:0411:0815:04
12:02
-0:08
24M
24.00 mi15:42:544:26:3811:0710:34
10:34
-1:28
40K
24.85 mi15:53:304:37:1411:0910:36
12:24
+1:50
25.2M
25.20 mi15:57:384:41:2211:104:08
11:59
-0:25
Finish
26.22 mi16:08:394:52:2311:1011:01
10:49
-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

9:44 /mi

Average Pace

11:10 /mi

Slowest Pace

12:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:19

53% of race

Time at Steady Pace

1:46:01

36% of race

Time at Slower Pace

30:03

10% of race

Average Pace: 11:09 /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 mi11:47:5931:4310:1331:43
10:13
#26076
10K
6.21 mi12:19:251:03:0910:1031:26
10:07
#25829
15K
9.32 mi12:49:401:33:2410:0130:15
9:44
#25340
20K
12.43 mi13:23:222:07:0610:1433:42
10:51
#25484
Half
13.11 mi13:31:002:14:4410:177:38
11:11
#25559
25K
15.53 mi14:00:292:44:1310:3429:29
12:10
#25821
30K
18.64 mi14:38:073:21:5110:5037:38
12:07
#25806
20M
20.00 mi14:55:163:39:0010:5717:09
12:37
#25816
21M
21.00 mi15:08:103:51:5411:0312:54
12:54
#25790
35K
21.75 mi15:17:164:01:0011:059:06
12:10
#25817
23M
23.00 mi15:32:204:16:0411:0815:04
12:02
#25799
24M
24.00 mi15:42:544:26:3811:0710:34
10:34
#25711
40K
24.85 mi15:53:304:37:1411:0910:36
12:24
#25722
25.2M
25.20 mi15:57:384:41:2211:104:08
11:59
#25697
Finish
26.22 mi16:08:394:52:2311:1011:01
10:49
#25684
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26076152081520824384(Top 86%)14430(Top 90%)14430(Top 256%)
10K6.21 mi3.10 mi25829+24715086+12215086+12225561(Top 90%)14937(Top 93%)14937(Top 265%)
15K9.32 mi3.11 mi25340+48914866+22014866+22024384(Top 86%)14430(Top 90%)14430(Top 256%)
20K12.43 mi3.11 mi25484-14414917-5114917-5125782(Top 91%)15028(Top 93%)15028(Top 266%)
Half13.11 mi0.68 mi25559-7514956-3914956-3926747(Top 94%)15413(Top 96%)15413(Top 273%)
25K15.53 mi2.42 mi25821-26215052-9615052-9626595(Top 94%)15339(Top 95%)15339(Top 272%)
30K18.64 mi3.11 mi25806+1515017+3515017+3525728(Top 91%)14859(Top 92%)14859(Top 263%)
20M20.00 mi1.36 mi25816-1015009+815009+826045(Top 92%)14946(Top 93%)14946(Top 265%)
21M21.00 mi1.00 mi25790+2614986+2314986+2324933(Top 88%)14334(Top 89%)14334(Top 254%)
35K21.75 mi0.75 mi25817-2714991-514991-526092(Top 92%)14880(Top 92%)14880(Top 264%)
23M23.00 mi1.25 mi25799+1814971+2014971+2025167(Top 89%)14418(Top 90%)14418(Top 256%)
24M24.00 mi1.00 mi25711+8814917+5414917+5422996(Top 81%)13307(Top 83%)13307(Top 236%)
40K24.85 mi0.85 mi25722-1114908+914908+925524(Top 90%)14538(Top 90%)14538(Top 258%)
25.2M25.20 mi0.35 mi25697+2514893+1514893+1523202(Top 82%)13389(Top 83%)13389(Top 237%)
Finish26.22 mi1.02 mi25684+1314879+1414879+1424976(Top 88%)14266(Top 89%)14266(Top 253%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21stories
+97ft-345ft

Overall

24384

Males

14430

M18-39

14430

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25561

Males

14937

M18-39

14937

10K→15K

6.2 - 9.3 mi

Top 86%
×3stories
+67ft-78ft

Overall

24384

Males

14430

M18-39

14430

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25782

Males

15028

M18-39

15028

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

26747

Males

15413

M18-39

15413

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

26595

Males

15339

M18-39

15339

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

25728

Males

14859

M18-39

14859

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

26045

Males

14946

M18-39

14946

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

24933

Males

14334

M18-39

14334

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

26092

Males

14880

M18-39

14880

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25167

Males

14418

M18-39

14418

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

22996

Males

13307

M18-39

13307

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25524

Males

14538

M18-39

14538

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23202

Males

13389

M18-39

13389

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

24976

Males

14266

M18-39

14266

Passing Analysis

Category:
Athletes Passed
1419
Passed By
1027
Net Change
+392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26076
5K → 10K32881+247#26076#25829
10K → 15K50011+489#25829#25340
15K → 20K77221-144#25340#25484
20K → Half681-75#25484#25559
Half → 25K38300-262#25559#25821
25K → 30K116101+15#25821#25806
30K → 20M5161-10#25806#25816
20M → 21M5125+26#25816#25790
21M → 35K1845-27#25790#25817
35K → 23M5234+18#25817#25799
23M → 24M891+88#25799#25711
24M → 40K3243-11#25711#25722
40K → 25.2M250+25#25722#25697
25.2M → Finish3623+13#25697#25684
TOTALS14191027+392
📊

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