Boston Marathon logo
BOSTON MARATHON 2025

Clement Le Brun

Bib: 3636•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 15%
Division (M18-39)
#0 / 5642
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:37
Rank: #2527
Start → 5K
19:37 | 6:19/mi
10K· 6.21 mi
39:12
Rank: #2482 (+45)
5K → 10K
19:35 | 6:18/mi
15K· 9.32 mi
58:56
Rank: #2532 (-50)
10K → 15K
19:44 | 6:21/mi
20K· 12.43 mi
1:19:30
Rank: #2834 (-302)
15K → 20K
20:34 | 6:37/mi
Half· 13.11 mi
1:23:52
Rank: #2848 (-14)
20K → Half
4:22 | 6:24/mi
25K· 15.53 mi
1:39:48
Rank: #2895 (-47)
Half → 25K
15:56 | 6:34/mi
30K· 18.64 mi
2:00:54
Rank: #2947 (-52)
25K → 30K
21:06 | 6:47/mi
20M
2:10:14
Rank: #2948 (-1)
30K → 20M
9:20 | 6:52/mi
21M
2:17:31
Rank: #2947 (+1)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:22:24
Rank: #2889 (+58)
21M → 35K
4:53 | 6:32/mi
23M
2:30:35
Rank: #2775 (+114)
35K → 23M
8:11 | 6:32/mi
24M
2:37:05
Rank: #2707 (+68)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:42:40
Rank: #2630 (+77)
24M → 40K
5:35 | 6:32/mi
25.2M
2:45:11
Rank: #2616 (+14)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:51:37
Rank: #2557 (+59)
25.2M → Finish
6:26 | 6:19/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:52
Pace6:24 /mi
2nd Half
Distance13.11 mi
Time1:27:45
Pace6:42 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0019:376:1919:37
6:19
-
10K
6.21 mi10:41:3539:126:1919:35
6:18
-0:01
15K
9.32 mi11:01:1958:566:1919:44
6:21
+0:03
20K
12.43 mi11:21:531:19:306:2420:34
6:37
+0:16
Half
13.11 mi11:26:151:23:526:244:22
6:24
-0:13
25K
15.53 mi11:42:111:39:486:2515:56
6:34
+0:10
30K
18.64 mi12:03:172:00:546:2921:06
6:47
+0:13
20M
20.00 mi12:12:372:10:146:319:20
6:52
+0:05
21M
21.00 mi12:19:542:17:316:337:17
7:17
+0:25
35K
21.75 mi12:24:472:22:246:334:53
6:32
-0:45
23M
23.00 mi12:32:582:30:356:338:11
6:32
0:00
24M
24.00 mi12:39:282:37:056:336:30
6:30
-0:02
40K
24.85 mi12:45:032:42:406:335:35
6:32
+0:02
25.2M
25.20 mi12:47:342:45:116:332:31
7:18
+0:46
Finish
26.22 mi12:54:002:51:376:336:26
6:19
-0:59

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

6:33 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:49

94% of race

Time at Steady Pace

9:48

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:33 /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 mi10:22:0019:376:1919:37
6:19
#2527
10K
6.21 mi10:41:3539:126:1919:35
6:18
#2482
15K
9.32 mi11:01:1958:566:1919:44
6:21
#2532
20K
12.43 mi11:21:531:19:306:2420:34
6:37
#2834
Half
13.11 mi11:26:151:23:526:244:22
6:24
#2848
25K
15.53 mi11:42:111:39:486:2515:56
6:34
#2895
30K
18.64 mi12:03:172:00:546:2921:06
6:47
#2947
20M
20.00 mi12:12:372:10:146:319:20
6:52
#2948
21M
21.00 mi12:19:542:17:316:337:17
7:17
#2947
35K
21.75 mi12:24:472:22:246:334:53
6:32
#2889
23M
23.00 mi12:32:582:30:356:338:11
6:32
#2775
24M
24.00 mi12:39:282:37:056:336:30
6:30
#2707
40K
24.85 mi12:45:032:42:406:335:35
6:32
#2630
25.2M
25.20 mi12:47:342:45:116:332:31
7:18
#2616
Finish
26.22 mi12:54:002:51:376:336:26
6:19
#2557
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2527240824082651(Top 9%)2528(Top 16%)2528(Top 45%)
10K6.21 mi3.10 mi2482+452367+412367+412453(Top 9%)2346(Top 15%)2346(Top 42%)
15K9.32 mi3.11 mi2532-502416-492416-492651(Top 9%)2528(Top 16%)2528(Top 45%)
20K12.43 mi3.11 mi2834-3022704-2882704-2883828(Top 13%)3610(Top 22%)3610(Top 64%)
Half13.11 mi0.68 mi2848-142715-112715-113076(Top 11%)2937(Top 18%)2937(Top 52%)
25K15.53 mi2.42 mi2895-472761-462761-463283(Top 12%)3109(Top 19%)3109(Top 55%)
30K18.64 mi3.11 mi2947-522807-462807-463397(Top 12%)3169(Top 20%)3169(Top 56%)
20M20.00 mi1.36 mi2948-12804+32804+33324(Top 12%)3075(Top 19%)3075(Top 55%)
21M21.00 mi1.00 mi2947+12797+72797+73553(Top 13%)3252(Top 20%)3252(Top 58%)
35K21.75 mi0.75 mi2889+582743+542743+542625(Top 9%)2444(Top 15%)2444(Top 43%)
23M23.00 mi1.25 mi2775+1142634+1092634+1091599(Top 6%)1497(Top 9%)1497(Top 27%)
24M24.00 mi1.00 mi2707+682565+692565+692070(Top 7%)1923(Top 12%)1923(Top 34%)
40K24.85 mi0.85 mi2630+772492+732492+731745(Top 6%)1615(Top 10%)1615(Top 29%)
25.2M25.20 mi0.35 mi2616+142477+152477+152554(Top 9%)2288(Top 14%)2288(Top 41%)
Finish26.22 mi1.02 mi2557+592423+542423+541967(Top 7%)1811(Top 11%)1811(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2651

Males

2528

M18-39

2528

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2453

Males

2346

M18-39

2346

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2651

Males

2528

M18-39

2528

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3828

Males

3610

M18-39

3610

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3076

Males

2937

M18-39

2937

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3283

Males

3109

M18-39

3109

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3397

Males

3169

M18-39

3169

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3324

Males

3075

M18-39

3075

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3553

Males

3252

M18-39

3252

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2625

Males

2444

M18-39

2444

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1599

Males

1497

M18-39

1497

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2070

Males

1923

M18-39

1923

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1745

Males

1615

M18-39

1615

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2554

Males

2288

M18-39

2288

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1967

Males

1811

M18-39

1811

Passing Analysis

Category:
Athletes Passed
914
Passed By
944
Net Change
-30
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2527
5K → 10K13186+45#2527#2482
10K → 15K63113-50#2482#2532
15K → 20K19321-302#2532#2834
20K → Half1024-14#2834#2848
Half → 25K57104-47#2848#2895
25K → 30K99151-52#2895#2947
30K → 20M5556-1#2947#2948
20M → 21M4746+1#2948#2947
21M → 35K613+58#2947#2889
35K → 23M1184+114#2889#2775
23M → 24M779+68#2775#2707
24M → 40K836+77#2707#2630
40K → 25.2M2511+14#2630#2616
25.2M → Finish6910+59#2616#2557
TOTALS914944-30
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing