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BOSTON MARATHON 2025

Yves Lefebvre

Bib: 9914•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 33%
Division (M50-54)
#0 / 1996
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:13
Rank: #6565
Start → 5K
6:50/mi
21:13 split
10K· 6.21 mi
43:05
Rank: #7398 (-833)
5K → 10K
7:02/mi
21:52 split
15K· 9.32 mi
1:05:11
Rank: #7713 (-315)
10K → 15K
7:07/mi
22:06 split
20K· 12.43 mi
1:27:28
Rank: #7743 (-30)
15K → 20K
7:10/mi
22:17 split
Half· 13.11 mi
1:32:16
Rank: #7741 (+2)
20K → Half
7:02/mi
4:48 split
25K· 15.53 mi
1:49:53
Rank: #7745 (-4)
Half → 25K
7:16/mi
17:37 split
30K· 18.64 mi
2:13:33
Rank: #7782 (-37)
25K → 30K
7:37/mi
23:40 split
20M
2:24:12
Rank: #7825 (-43)
30K → 20M
7:50/mi
10:39 split
21M
2:32:37
Rank: #7871 (-46)
20M → 21M
8:25/mi
8:25 split
35K· 21.75 mi
2:38:24
Rank: #7919 (-48)
21M → 35K
7:44/mi
5:47 split
23M
2:48:34
Rank: #8054 (-135)
35K → 23M
8:07/mi
10:10 split
24M
2:56:47
Rank: #8227 (-173)
23M → 24M
8:13/mi
8:13 split
40K· 24.85 mi
3:04:08
Rank: #8441 (-214)
24M → 40K
8:36/mi
7:21 split
25.2M
3:07:32
Rank: #8594 (-153)
40K → 25.2M
9:52/mi
3:24 split
Finish· 26.22 mi
3:16:21
Rank: #8971 (-377)
25.2M → Finish
8:39/mi
8:49 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:16
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:44:05
Pace7:56 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5221:136:5021:13
6:50
-
10K
6.21 mi11:08:4443:056:5621:52
7:02
+0:12
15K
9.32 mi11:30:501:05:117:0022:06
7:07
+0:05
20K
12.43 mi11:53:071:27:287:0222:17
7:10
+0:03
Half
13.11 mi11:57:551:32:167:024:48
7:02
-0:08
25K
15.53 mi12:15:321:49:537:0417:37
7:16
+0:14
30K
18.64 mi12:39:122:13:337:1023:40
7:37
+0:21
20M
20.00 mi12:49:512:24:127:1310:39
7:50
+0:13
21M
21.00 mi12:58:162:32:377:168:25
8:25
+0:35
35K
21.75 mi13:04:032:38:247:175:47
7:44
-0:41
23M
23.00 mi13:14:132:48:347:2010:10
8:07
+0:23
24M
24.00 mi13:22:262:56:477:228:13
8:13
+0:06
40K
24.85 mi13:29:473:04:087:257:21
8:36
+0:23
25.2M
25.20 mi13:33:113:07:327:273:24
9:52
+1:16
Finish
26.22 mi13:42:003:16:217:308:49
8:39
-1:13

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

6:50 /mi

Average Pace

7:30 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:53

56% of race

Time at Steady Pace

50:16

26% of race

Time at Slower Pace

36:12

18% of race

Average Pace: 7:29 /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 mi10:46:5221:136:5021:13
6:50
#6565
10K
6.21 mi11:08:4443:056:5621:52
7:02
#7398
15K
9.32 mi11:30:501:05:117:0022:06
7:07
#7713
20K
12.43 mi11:53:071:27:287:0222:17
7:10
#7743
Half
13.11 mi11:57:551:32:167:024:48
7:02
#7741
25K
15.53 mi12:15:321:49:537:0417:37
7:16
#7745
30K
18.64 mi12:39:122:13:337:1023:40
7:37
#7782
20M
20.00 mi12:49:512:24:127:1310:39
7:50
#7825
21M
21.00 mi12:58:162:32:377:168:25
8:25
#7871
35K
21.75 mi13:04:032:38:247:175:47
7:44
#7919
23M
23.00 mi13:14:132:48:347:2010:10
8:07
#8054
24M
24.00 mi13:22:262:56:477:228:13
8:13
#8227
40K
24.85 mi13:29:473:04:087:257:21
8:36
#8441
25.2M
25.20 mi13:33:113:07:327:273:24
9:52
#8594
Finish
26.22 mi13:42:003:16:217:308:49
8:39
#8971
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi6565597259728417(Top 30%)7190(Top 45%)7190(Top 360%)
10K6.21 mi3.10 mi7398-8336585-6136585-6138199(Top 29%)7103(Top 44%)7103(Top 356%)
15K9.32 mi3.11 mi7713-3156787-2026787-2028417(Top 30%)7190(Top 45%)7190(Top 360%)
20K12.43 mi3.11 mi7743-306796-96796-97982(Top 28%)6865(Top 43%)6865(Top 344%)
Half13.11 mi0.68 mi7741+26792+46792+47820(Top 28%)6782(Top 42%)6782(Top 340%)
25K15.53 mi2.42 mi7745-46771+216771+218102(Top 29%)6827(Top 42%)6827(Top 342%)
30K18.64 mi3.11 mi7782-376743+286743+288574(Top 30%)6923(Top 43%)6923(Top 347%)
20M20.00 mi1.36 mi7825-436731+126731+129252(Top 33%)7128(Top 44%)7128(Top 357%)
21M21.00 mi1.00 mi7871-466723+86723+89928(Top 35%)7318(Top 45%)7318(Top 367%)
35K21.75 mi0.75 mi7919-486730-76730-710243(Top 36%)7477(Top 46%)7477(Top 375%)
23M23.00 mi1.25 mi8054-1356770-406770-4010853(Top 38%)7671(Top 48%)7671(Top 384%)
24M24.00 mi1.00 mi8227-1736847-776847-7712640(Top 45%)8466(Top 53%)8466(Top 424%)
40K24.85 mi0.85 mi8441-2146944-976944-9713995(Top 49%)8987(Top 56%)8987(Top 450%)
25.2M25.20 mi0.35 mi8594-1537015-717015-7116278(Top 57%)9988(Top 62%)9988(Top 500%)
Finish26.22 mi1.02 mi8971-3777194-1797194-17917147(Top 60%)10457(Top 65%)10457(Top 524%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8417

Males

7190

M50-54

7190

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

8199

Males

7103

M50-54

7103

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8417

Males

7190

M50-54

7190

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7982

Males

6865

M50-54

6865

20K→Half

12.4 - 13.1 mi

Top 28%
×2story building
+19ft-37ft

Overall

7820

Males

6782

M50-54

6782

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8102

Males

6827

M50-54

6827

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8574

Males

6923

M50-54

6923

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

9252

Males

7128

M50-54

7128

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9928

Males

7318

M50-54

7318

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10243

Males

7477

M50-54

7477

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10853

Males

7671

M50-54

7671

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12640

Males

8466

M50-54

8466

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13995

Males

8987

M50-54

8987

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16278

Males

9988

M50-54

9988

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

17147

Males

10457

M50-54

10457

Passing Analysis

Category:
Athletes Passed
911
Passed By
3317
Net Change
-2406
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6565
5K → 10K27860-833#6565#7398
10K → 15K61376-315#7398#7713
15K → 20K127157-30#7713#7743
20K → Half2725+2#7743#7741
Half → 25K115119-4#7741#7745
25K → 30K179216-37#7745#7782
30K → 20M79122-43#7782#7825
20M → 21M89135-46#7825#7871
21M → 35K4189-48#7871#7919
35K → 23M75210-135#7919#8054
23M → 24M40213-173#8054#8227
24M → 40K31245-214#8227#8441
40K → 25.2M9162-153#8441#8594
25.2M → Finish11388-377#8594#8971
TOTALS9113317-2406
📊

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