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BOSTON MARATHON 2025

Timothée Lansiaux

Bib: 7298•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:28/mi
20:07
↑ 97↓ 3451.5%
10K· 6.21 mi
6:37/mi
40:40
↑ 79↓ 1380.4%
15K· 9.32 mi
6:36/mi
1:01:11
↑ 67↓ 78
20K· 12.43 mi
6:40/mi
1:21:53
↑ 106↓ 860.1%
Half· 13.11 mi
6:34/mi
1:26:22
↑ 19↓ 370.5%
25K· 15.53 mi
6:39/mi
1:42:30
↑ 66↓ 880.2%
30K· 18.64 mi
6:49/mi
2:03:41
↑ 181↓ 1480.2%
20M
6:54/mi
2:13:04
↑ 64↓ 500.2%
21M
7:25/mi
2:20:29
↑ 106↓ 241.6%
35K· 21.75 mi
7:10/mi
2:25:51
↑ 17↓ 861.7%
23M
7:11/mi
2:34:51
↑ 23↓ 630.6%
24M
7:04/mi
2:41:55
↓ 821.3%
40K· 24.85 mi
7:07/mi
2:48:00
↓ 200.3%
25.2M
7:18/mi
2:50:31
↑ 13↓ 160.2%
Finish· 26.22 mi
6:33/mi
2:57:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:22
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:30:49
Pace6:56 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3320:076:2820:07
6:28
-
10K
6.21 mi10:46:0640:406:3320:33
6:37
+0:09
15K
9.32 mi11:06:371:01:116:3420:31
6:36
-0:01
20K
12.43 mi11:27:191:21:536:3520:42
6:40
+0:04
Half
13.11 mi11:31:481:26:226:354:29
6:34
-0:06
25K
15.53 mi11:47:561:42:306:3616:08
6:39
+0:05
30K
18.64 mi12:09:072:03:416:3821:11
6:49
+0:10
20M
20.00 mi12:18:302:13:046:399:23
6:54
+0:05
21M
21.00 mi12:25:552:20:296:417:25
7:25
+0:31
35K
21.75 mi12:31:172:25:516:425:22
7:10
-0:15
23M
23.00 mi12:40:172:34:516:449:00
7:11
+0:01
24M
24.00 mi12:47:212:41:556:457:04
7:04
-0:07
40K
24.85 mi12:53:262:48:006:466:05
7:07
+0:03
25.2M
25.20 mi12:55:572:50:316:462:31
7:18
+0:11
Finish
26.22 mi13:02:372:57:116:466:40
6:33
-0:45

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

6:28 /mi

Average Pace

6:46 /mi

Slowest Pace

7:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:48

83% of race

Time at Steady Pace

30:23

17% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:25:3320:076:2820:07
6:28
#3643
10K
6.21 mi10:46:0640:406:3320:33
6:37
#4101
15K
9.32 mi11:06:371:01:116:3420:31
6:36
#4123
20K
12.43 mi11:27:191:21:536:3520:42
6:40
#4075
Half
13.11 mi11:31:481:26:226:354:29
6:34
#4063
25K
15.53 mi11:47:561:42:306:3616:08
6:39
#3978
30K
18.64 mi12:09:072:03:416:3821:11
6:49
#3857
20M
20.00 mi12:18:302:13:046:399:23
6:54
#3793
21M
21.00 mi12:25:552:20:296:417:25
7:25
#3787
35K
21.75 mi12:31:172:25:516:425:22
7:10
#3860
23M
23.00 mi12:40:172:34:516:449:00
7:11
#3894
24M
24.00 mi12:47:212:41:556:457:04
7:04
#3935
40K
24.85 mi12:53:262:48:006:466:05
7:07
#3923
25.2M
25.20 mi12:55:572:50:316:462:31
7:18
#3884
Finish
26.22 mi13:02:372:57:116:466:40
6:33
#3790
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3643345534554239(Top 15%)3983(Top 25%)3983(Top 71%)
10K6.21 mi3.10 mi4101-4583865-4103865-4104568(Top 16%)4278(Top 27%)4278(Top 76%)
15K9.32 mi3.11 mi4123-223885-203885-204239(Top 15%)3983(Top 25%)3983(Top 71%)
20K12.43 mi3.11 mi4075+483835+503835+504096(Top 14%)3841(Top 24%)3841(Top 68%)
Half13.11 mi0.68 mi4063+123825+103825+104122(Top 15%)3861(Top 24%)3861(Top 68%)
25K15.53 mi2.42 mi3978+853743+823743+823805(Top 13%)3565(Top 22%)3565(Top 63%)
30K18.64 mi3.11 mi3857+1213632+1113632+1113552(Top 13%)3297(Top 20%)3297(Top 58%)
20M20.00 mi1.36 mi3793+643572+603572+603532(Top 12%)3254(Top 20%)3254(Top 58%)
21M21.00 mi1.00 mi3787+63560+123560+124166(Top 15%)3745(Top 23%)3745(Top 66%)
35K21.75 mi0.75 mi3860-733619-593619-596370(Top 22%)5284(Top 33%)5284(Top 94%)
23M23.00 mi1.25 mi3894-343636-173636-174773(Top 17%)4149(Top 26%)4149(Top 74%)
24M24.00 mi1.00 mi3935-413659-233659-234983(Top 18%)4240(Top 26%)4240(Top 75%)
40K24.85 mi0.85 mi3923+123643+163643+164531(Top 16%)3863(Top 24%)3863(Top 68%)
25.2M25.20 mi0.35 mi3884+393604+393604+392496(Top 9%)2230(Top 14%)2230(Top 40%)
Finish26.22 mi1.02 mi3790+943517+873517+873011(Top 11%)2679(Top 17%)2679(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

4239

Males

3983

M18-39

3983

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4568

Males

4278

M18-39

4278

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

4239

Males

3983

M18-39

3983

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

4096

Males

3841

M18-39

3841

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

4122

Males

3861

M18-39

3861

Half→25K

13.1 - 15.5 mi

Top 13%
×4story building
+66ft-88ft

Overall

3805

Males

3565

M18-39

3565

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3552

Males

3297

M18-39

3297

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3532

Males

3254

M18-39

3254

20M→21M

20.0 - 21.0 mi

Top 15%
×8story building
+106ft-24ft

Overall

4166

Males

3745

M18-39

3745

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6370

Males

5284

M18-39

5284

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4773

Males

4149

M18-39

4149

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4983

Males

4240

M18-39

4240

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4531

Males

3863

M18-39

3863

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2496

Males

2230

M18-39

2230

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3011

Males

2679

M18-39

2679

Passing Analysis

Category:
Athletes Passed
1021
Passed By
1168
Net Change
-147
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3643
5K → 10K23481-458#3643#4101
10K → 15K80102-22#4101#4123
15K → 20K13082+48#4123#4075
20K → Half2816+12#4075#4063
Half → 25K12136+85#4063#3978
25K → 30K16847+121#3978#3857
30K → 20M9228+64#3857#3793
20M → 21M6357+6#3793#3787
21M → 35K1588-73#3787#3860
35K → 23M5993-34#3860#3894
23M → 24M3879-41#3894#3935
24M → 40K4836+12#3935#3923
40K → 25.2M434+39#3923#3884
25.2M → Finish11319+94#3884#3790
TOTALS10211168-147
📊

Passing Visuals

Category:
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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