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BOSTON MARATHON 2025

Aurelien Laviron

Bib: 3245•M

QC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:12
Rank: #3826
Start → 5K
20:12 | 6:30/mi
10K· 6.21 mi
40:23
Rank: #3762 (+64)
5K → 10K
20:11 | 6:30/mi
15K· 9.32 mi
1:00:39
Rank: #3738 (+24)
10K → 15K
20:16 | 6:31/mi
20K· 12.43 mi
1:21:02
Rank: #3654 (+84)
15K → 20K
20:23 | 6:34/mi
Half· 13.11 mi
1:25:26
Rank: #3636 (+18)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:03
Rank: #3410 (+226)
Half → 25K
15:37 | 6:26/mi
30K· 18.64 mi
2:01:29
Rank: #3136 (+274)
25K → 30K
20:26 | 6:35/mi
20M
2:10:07
Rank: #2907 (+229)
30K → 20M
8:38 | 6:21/mi
21M
2:16:53
Rank: #2764 (+143)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:21:41
Rank: #2723 (+41)
21M → 35K
4:48 | 6:25/mi
23M
2:29:48
Rank: #2586 (+137)
35K → 23M
8:07 | 6:29/mi
24M
2:36:05
Rank: #2477 (+109)
23M → 24M
6:17 | 6:17/mi
40K· 24.85 mi
2:41:26
Rank: #2382 (+95)
24M → 40K
5:21 | 6:15/mi
25.2M
2:43:47
Rank: #2334 (+48)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:50:00
Rank: #2269 (+65)
25.2M → Finish
6:13 | 6:06/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:25:26
Pace6:31 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:24:34
Pace6:27 /mi
📊Negative Split: 1.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0120:126:3020:12
6:30
-
10K
6.21 mi10:42:1240:236:3020:11
6:30
0:00
15K
9.32 mi11:02:281:00:396:3020:16
6:31
+0:01
20K
12.43 mi11:22:511:21:026:3120:23
6:34
+0:03
Half
13.11 mi11:27:151:25:266:314:24
6:27
-0:07
25K
15.53 mi11:42:521:41:036:3015:37
6:26
-0:01
30K
18.64 mi12:03:182:01:296:3120:26
6:35
+0:09
20M
20.00 mi12:11:562:10:076:308:38
6:21
-0:14
21M
21.00 mi12:18:422:16:536:316:46
6:46
+0:25
35K
21.75 mi12:23:302:21:416:314:48
6:25
-0:21
23M
23.00 mi12:31:372:29:486:318:07
6:29
+0:04
24M
24.00 mi12:37:542:36:056:306:17
6:17
-0:12
40K
24.85 mi12:43:152:41:266:305:21
6:15
-0:02
25.2M
25.20 mi12:45:362:43:476:302:21
6:49
+0:34
Finish
26.22 mi12:51:492:50:006:296:13
6:06
-0:43

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

6:06 /mi

Average Pace

6:29 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:53

95% of race

Time at Steady Pace

9:07

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:29 /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 mi10:22:0120:126:3020:12
6:30
#3826
10K
6.21 mi10:42:1240:236:3020:11
6:30
#3762
15K
9.32 mi11:02:281:00:396:3020:16
6:31
#3738
20K
12.43 mi11:22:511:21:026:3120:23
6:34
#3654
Half
13.11 mi11:27:151:25:266:314:24
6:27
#3636
25K
15.53 mi11:42:521:41:036:3015:37
6:26
#3410
30K
18.64 mi12:03:182:01:296:3120:26
6:35
#3136
20M
20.00 mi12:11:562:10:076:308:38
6:21
#2907
21M
21.00 mi12:18:422:16:536:316:46
6:46
#2764
35K
21.75 mi12:23:302:21:416:314:48
6:25
#2723
23M
23.00 mi12:31:372:29:486:318:07
6:29
#2586
24M
24.00 mi12:37:542:36:056:306:17
6:17
#2477
40K
24.85 mi12:43:152:41:266:305:21
6:15
#2382
25.2M
25.20 mi12:45:362:43:476:302:21
6:49
#2334
Finish
26.22 mi12:51:492:50:006:296:13
6:06
#2269
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3826361936193695(Top 13%)3488(Top 22%)3488(Top 62%)
10K6.21 mi3.10 mi3762+643562+573562+573682(Top 13%)3474(Top 22%)3474(Top 62%)
15K9.32 mi3.11 mi3738+243532+303532+303695(Top 13%)3488(Top 22%)3488(Top 62%)
20K12.43 mi3.11 mi3654+843457+753457+753462(Top 12%)3277(Top 20%)3277(Top 58%)
Half13.11 mi0.68 mi3636+183440+173440+173312(Top 12%)3138(Top 19%)3138(Top 56%)
25K15.53 mi2.42 mi3410+2263239+2013239+2012549(Top 9%)2424(Top 15%)2424(Top 43%)
30K18.64 mi3.11 mi3136+2742981+2582981+2582308(Top 8%)2186(Top 14%)2186(Top 39%)
20M20.00 mi1.36 mi2907+2292766+2152766+2151110(Top 4%)1047(Top 7%)1047(Top 19%)
21M21.00 mi1.00 mi2764+1432632+1342632+1341422(Top 5%)1342(Top 8%)1342(Top 24%)
35K21.75 mi0.75 mi2723+412591+412591+412076(Top 7%)1943(Top 12%)1943(Top 34%)
23M23.00 mi1.25 mi2586+1372461+1302461+1301410(Top 5%)1327(Top 8%)1327(Top 24%)
24M24.00 mi1.00 mi2477+1092355+1062355+1061273(Top 4%)1192(Top 7%)1192(Top 21%)
40K24.85 mi0.85 mi2382+952264+912264+91881(Top 3%)827(Top 5%)827(Top 15%)
25.2M25.20 mi0.35 mi2334+482218+462218+461036(Top 4%)954(Top 6%)954(Top 17%)
Finish26.22 mi1.02 mi2269+652153+652153+651195(Top 4%)1118(Top 7%)1118(Top 20%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3695

Males

3488

M18-39

3488

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3682

Males

3474

M18-39

3474

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3695

Males

3488

M18-39

3488

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3462

Males

3277

M18-39

3277

20K→Half

12.4 - 13.1 mi

Top 12%
×2stories
+19ft-37ft

Overall

3312

Males

3138

M18-39

3138

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2549

Males

2424

M18-39

2424

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2308

Males

2186

M18-39

2186

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1110

Males

1047

M18-39

1047

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1422

Males

1342

M18-39

1342

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2076

Males

1943

M18-39

1943

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1410

Males

1327

M18-39

1327

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1273

Males

1192

M18-39

1192

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

881

Males

827

M18-39

827

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1036

Males

954

M18-39

954

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1195

Males

1118

M18-39

1118

Passing Analysis

Category:
Athletes Passed
1844
Passed By
287
Net Change
+1557
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3826
5K → 10K167103+64#3826#3762
10K → 15K11591+24#3762#3738
15K → 20K13248+84#3738#3654
20K → Half268+18#3654#3636
Half → 25K2315+226#3636#3410
25K → 30K2806+274#3410#3136
30K → 20M2290+229#3136#2907
20M → 21M1452+143#2907#2764
21M → 35K443+41#2764#2723
35K → 23M1436+137#2723#2586
23M → 24M1101+109#2586#2477
24M → 40K972+95#2477#2382
40K → 25.2M513+48#2382#2334
25.2M → Finish749+65#2334#2269
TOTALS1844287+1557
📊

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