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BOSTON MARATHON 2025

Robin Lefevre

Bib: 3485•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 29%
Gender (Male)
#0 / 16105
Top 42%
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
20:38
Rank: #4959
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
42:00
Rank: #5926 (-967)
5K → 10K
21:22 | 6:53/mi
15K· 9.32 mi
1:03:04
Rank: #5885 (+41)
10K → 15K
21:04 | 6:47/mi
20K· 12.43 mi
1:25:00
Rank: #6308 (-423)
15K → 20K
21:56 | 7:04/mi
Half· 13.11 mi
1:29:48
Rank: #6418 (-110)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:47:20
Rank: #6640 (-222)
Half → 25K
17:32 | 7:14/mi
30K· 18.64 mi
2:10:29
Rank: #6663 (-23)
25K → 30K
23:09 | 7:27/mi
20M
2:20:52
Rank: #6668 (-5)
30K → 20M
10:23 | 7:38/mi
21M
2:29:43
Rank: #6907 (-239)
20M → 21M
8:51 | 8:51/mi
35K· 21.75 mi
2:35:47
Rank: #7081 (-174)
21M → 35K
6:04 | 8:07/mi
23M
2:46:10
Rank: #7280 (-199)
35K → 23M
10:23 | 8:18/mi
24M
2:54:36
Rank: #7537 (-257)
23M → 24M
8:26 | 8:26/mi
40K· 24.85 mi
3:02:04
Rank: #7775 (-238)
24M → 40K
7:28 | 8:44/mi
25.2M
3:05:42
Rank: #8004 (-229)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:13:56
Rank: #8194 (-190)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:48
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:44:08
Pace7:57 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5520:386:3820:38
6:38
-
10K
6.21 mi10:44:1742:006:4621:22
6:53
+0:15
15K
9.32 mi11:05:211:03:046:4621:04
6:47
-0:06
20K
12.43 mi11:27:171:25:006:5021:56
7:04
+0:17
Half
13.11 mi11:32:051:29:486:514:48
7:02
-0:02
25K
15.53 mi11:49:371:47:206:5517:32
7:14
+0:12
30K
18.64 mi12:12:462:10:297:0023:09
7:27
+0:13
20M
20.00 mi12:23:092:20:527:0310:23
7:38
+0:11
21M
21.00 mi12:32:002:29:437:088:51
8:51
+1:13
35K
21.75 mi12:38:042:35:477:106:04
8:07
-0:44
23M
23.00 mi12:48:272:46:107:1310:23
8:18
+0:11
24M
24.00 mi12:56:532:54:367:178:26
8:26
+0:08
40K
24.85 mi13:04:213:02:047:207:28
8:44
+0:18
25.2M
25.20 mi13:07:593:05:427:223:38
10:32
+1:48
Finish
26.22 mi13:16:133:13:567:248:14
8:05
-2:27

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

6:38 /mi

Average Pace

7:24 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:48

46% of race

Time at Steady Pace

1:05:22

34% of race

Time at Slower Pace

38:46

20% of race

Average Pace: 7:24 /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 mi10:22:5520:386:3820:38
6:38
#4959
10K
6.21 mi10:44:1742:006:4621:22
6:53
#5926
15K
9.32 mi11:05:211:03:046:4621:04
6:47
#5885
20K
12.43 mi11:27:171:25:006:5021:56
7:04
#6308
Half
13.11 mi11:32:051:29:486:514:48
7:02
#6418
25K
15.53 mi11:49:371:47:206:5517:32
7:14
#6640
30K
18.64 mi12:12:462:10:297:0023:09
7:27
#6663
20M
20.00 mi12:23:092:20:527:0310:23
7:38
#6668
21M
21.00 mi12:32:002:29:437:088:51
8:51
#6907
35K
21.75 mi12:38:042:35:477:106:04
8:07
#7081
23M
23.00 mi12:48:272:46:107:1310:23
8:18
#7280
24M
24.00 mi12:56:532:54:367:178:26
8:26
#7537
40K
24.85 mi13:04:213:02:047:207:28
8:44
#7775
25.2M
25.20 mi13:07:593:05:427:223:38
10:32
#8004
Finish
26.22 mi13:16:133:13:567:248:14
8:05
#8194
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4959464346435913(Top 21%)5387(Top 33%)5387(Top 95%)
10K6.21 mi3.10 mi5926-9675449-8065449-8067077(Top 25%)6335(Top 39%)6335(Top 112%)
15K9.32 mi3.11 mi5885+415401+485401+485913(Top 21%)5387(Top 33%)5387(Top 95%)
20K12.43 mi3.11 mi6308-4235728-3275728-3277252(Top 26%)6385(Top 40%)6385(Top 113%)
Half13.11 mi0.68 mi6418-1105813-855813-857807(Top 27%)6769(Top 42%)6769(Top 120%)
25K15.53 mi2.42 mi6640-2225978-1655978-1657822(Top 28%)6651(Top 41%)6651(Top 118%)
30K18.64 mi3.11 mi6663-235954+245954+247387(Top 26%)6211(Top 39%)6211(Top 110%)
20M20.00 mi1.36 mi6668-55935+195935+197962(Top 28%)6416(Top 40%)6416(Top 114%)
21M21.00 mi1.00 mi6907-2396093-1586093-15812580(Top 44%)8628(Top 54%)8628(Top 153%)
35K21.75 mi0.75 mi7081-1746189-966189-9612930(Top 46%)8754(Top 54%)8754(Top 155%)
23M23.00 mi1.25 mi7280-1996277-886277-8811975(Top 42%)8213(Top 51%)8213(Top 146%)
24M24.00 mi1.00 mi7537-2576411-1346411-13414052(Top 49%)9151(Top 57%)9151(Top 162%)
40K24.85 mi0.85 mi7775-2386528-1176528-11714760(Top 52%)9315(Top 58%)9315(Top 165%)
25.2M25.20 mi0.35 mi8004-2296662-1346662-13419061(Top 67%)11319(Top 70%)11319(Top 201%)
Finish26.22 mi1.02 mi8194-1906744-826744-8213392(Top 47%)8700(Top 54%)8700(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5913

Males

5387

M18-39

5387

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7077

Males

6335

M18-39

6335

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5913

Males

5387

M18-39

5387

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7252

Males

6385

M18-39

6385

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7807

Males

6769

M18-39

6769

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7822

Males

6651

M18-39

6651

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

7387

Males

6211

M18-39

6211

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7962

Males

6416

M18-39

6416

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

12580

Males

8628

M18-39

8628

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12930

Males

8754

M18-39

8754

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11975

Males

8213

M18-39

8213

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

14052

Males

9151

M18-39

9151

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14760

Males

9315

M18-39

9315

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19061

Males

11319

M18-39

11319

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13392

Males

8700

M18-39

8700

Passing Analysis

Category:
Athletes Passed
730
Passed By
3965
Net Change
-3235
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4959
5K → 10K15982-967#4959#5926
10K → 15K153112+41#5926#5885
15K → 20K61484-423#5885#6308
20K → Half5115-110#6308#6418
Half → 25K71293-222#6418#6640
25K → 30K170193-23#6640#6663
30K → 20M8590-5#6663#6668
20M → 21M29268-239#6668#6907
21M → 35K20194-174#6907#7081
35K → 23M43242-199#7081#7280
23M → 24M20277-257#7280#7537
24M → 40K23261-238#7537#7775
40K → 25.2M4233-229#7775#8004
25.2M → Finish31221-190#8004#8194
TOTALS7303965-3235
📊

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