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BOSTON MARATHON 2025

Dalton L'Heureux

Bib: 1952•M

WA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 37%
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
20:24
Rank: #4314
Start → 5K
20:24 | 6:34/mi
10K· 6.21 mi
41:44
Rank: #5526 (-1212)
5K → 10K
21:20 | 6:52/mi
15K· 9.32 mi
1:03:11
Rank: #5987 (-461)
10K → 15K
21:27 | 6:54/mi
20K· 12.43 mi
1:25:18
Rank: #6527 (-540)
15K → 20K
22:07 | 7:07/mi
Half· 13.11 mi
1:30:10
Rank: #6652 (-125)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:48:48
Rank: #7290 (-638)
Half → 25K
18:38 | 7:41/mi
30K· 18.64 mi
2:11:50
Rank: #7161 (+129)
25K → 30K
23:02 | 7:25/mi
20M
2:22:13
Rank: #7135 (+26)
30K → 20M
10:23 | 7:38/mi
21M
2:30:23
Rank: #7134 (+1)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:35:57
Rank: #7120 (+14)
21M → 35K
5:34 | 7:26/mi
23M
2:45:39
Rank: #7118 (+2)
35K → 23M
9:42 | 7:45/mi
24M
2:53:10
Rank: #7103 (+15)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
2:59:42
Rank: #7086 (+17)
24M → 40K
6:32 | 7:38/mi
25.2M
3:02:33
Rank: #7067 (+19)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:09:59
Rank: #7059 (+8)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:10
Pace6:53 /mi
2nd Half
Distance13.11 mi
Time1:39:49
Pace7:37 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5120:246:3420:24
6:34
-
10K
6.21 mi10:42:1141:446:4321:20
6:52
+0:18
15K
9.32 mi11:03:381:03:116:4721:27
6:54
+0:02
20K
12.43 mi11:25:451:25:186:5222:07
7:07
+0:13
Half
13.11 mi11:30:371:30:106:534:52
7:08
+0:01
25K
15.53 mi11:49:151:48:487:0018:38
7:41
+0:33
30K
18.64 mi12:12:172:11:507:0423:02
7:25
-0:16
20M
20.00 mi12:22:402:22:137:0710:23
7:38
+0:13
21M
21.00 mi12:30:502:30:237:108:10
8:10
+0:32
35K
21.75 mi12:36:242:35:577:105:34
7:26
-0:44
23M
23.00 mi12:46:062:45:397:129:42
7:45
+0:19
24M
24.00 mi12:53:372:53:107:137:31
7:31
-0:14
40K
24.85 mi13:00:092:59:427:146:32
7:38
+0:07
25.2M
25.20 mi13:03:003:02:337:152:51
8:16
+0:38
Finish
26.22 mi13:10:263:09:597:157:26
7:18
-0:58

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

6:34 /mi

Average Pace

7:15 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:10

47% of race

Time at Steady Pace

1:00:28

32% of race

Time at Slower Pace

39:21

21% of race

Average Pace: 7:15 /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 mi10:20:5120:246:3420:24
6:34
#4314
10K
6.21 mi10:42:1141:446:4321:20
6:52
#5526
15K
9.32 mi11:03:381:03:116:4721:27
6:54
#5987
20K
12.43 mi11:25:451:25:186:5222:07
7:07
#6527
Half
13.11 mi11:30:371:30:106:534:52
7:08
#6652
25K
15.53 mi11:49:151:48:487:0018:38
7:41
#7290
30K
18.64 mi12:12:172:11:507:0423:02
7:25
#7161
20M
20.00 mi12:22:402:22:137:0710:23
7:38
#7135
21M
21.00 mi12:30:502:30:237:108:10
8:10
#7134
35K
21.75 mi12:36:242:35:577:105:34
7:26
#7120
23M
23.00 mi12:46:062:45:397:129:42
7:45
#7118
24M
24.00 mi12:53:372:53:107:137:31
7:31
#7103
40K
24.85 mi13:00:092:59:427:146:32
7:38
#7086
25.2M
25.20 mi13:03:003:02:337:152:51
8:16
#7067
Finish
26.22 mi13:10:263:09:597:157:26
7:18
#7059
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4314405540556974(Top 25%)6227(Top 39%)6227(Top 110%)
10K6.21 mi3.10 mi5526-12125108-10535108-10536990(Top 25%)6268(Top 39%)6268(Top 111%)
15K9.32 mi3.11 mi5987-4615487-3795487-3796974(Top 25%)6227(Top 39%)6227(Top 110%)
20K12.43 mi3.11 mi6527-5405901-4145901-4147625(Top 27%)6626(Top 41%)6626(Top 117%)
Half13.11 mi0.68 mi6652-1256006-1056006-1058465(Top 30%)7148(Top 44%)7148(Top 127%)
25K15.53 mi2.42 mi7290-6386460-4546460-45411401(Top 40%)8567(Top 53%)8567(Top 152%)
30K18.64 mi3.11 mi7161+1296319+1416319+1417122(Top 25%)6040(Top 38%)6040(Top 107%)
20M20.00 mi1.36 mi7135+266279+406279+407942(Top 28%)6396(Top 40%)6396(Top 113%)
21M21.00 mi1.00 mi7134+16242+376242+378330(Top 29%)6430(Top 40%)6430(Top 114%)
35K21.75 mi0.75 mi7120+146216+266216+268151(Top 29%)6374(Top 40%)6374(Top 113%)
23M23.00 mi1.25 mi7118+26173+436173+438170(Top 29%)6254(Top 39%)6254(Top 111%)
24M24.00 mi1.00 mi7103+156131+426131+427776(Top 27%)5970(Top 37%)5970(Top 106%)
40K24.85 mi0.85 mi7086+176088+436088+437662(Top 27%)5800(Top 36%)5800(Top 103%)
25.2M25.20 mi0.35 mi7067+196061+276061+277361(Top 26%)5526(Top 34%)5526(Top 98%)
Finish26.22 mi1.02 mi7059+86032+296032+297702(Top 27%)5731(Top 36%)5731(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6974

Males

6227

M18-39

6227

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

6990

Males

6268

M18-39

6268

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6974

Males

6227

M18-39

6227

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7625

Males

6626

M18-39

6626

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

8465

Males

7148

M18-39

7148

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

11401

Males

8567

M18-39

8567

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7122

Males

6040

M18-39

6040

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7942

Males

6396

M18-39

6396

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8330

Males

6430

M18-39

6430

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

8151

Males

6374

M18-39

6374

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8170

Males

6254

M18-39

6254

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7776

Males

5970

M18-39

5970

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7662

Males

5800

M18-39

5800

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7361

Males

5526

M18-39

5526

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7702

Males

5731

M18-39

5731

Passing Analysis

Category:
Athletes Passed
967
Passed By
3712
Net Change
-2745
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4314
5K → 10K71219-1212#4314#5526
10K → 15K44505-461#5526#5987
15K → 20K49589-540#5987#6527
20K → Half3128-125#6527#6652
Half → 25K29667-638#6652#7290
25K → 30K240111+129#7290#7161
30K → 20M10478+26#7161#7135
20M → 21M9291+1#7135#7134
21M → 35K5743+14#7134#7120
35K → 23M9189+2#7120#7118
23M → 24M7156+15#7118#7103
24M → 40K7154+17#7103#7086
40K → 25.2M3516+19#7086#7067
25.2M → Finish7466+8#7067#7059
TOTALS9673712-2745
📊

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