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BOSTON MARATHON 2025

Leon Leblanc

Bib: 6066•M

QC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 19%
Division (M18-39)
#0 / 5642
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:16
Rank: #3995
Start → 5K
6:31/mi
20:16 split
10K· 6.21 mi
40:40
Rank: #4100 (-105)
5K → 10K
6:34/mi
20:24 split
15K· 9.32 mi
1:01:02
Rank: #4020 (+80)
10K → 15K
6:33/mi
20:22 split
20K· 12.43 mi
1:21:34
Rank: #3902 (+118)
15K → 20K
6:37/mi
20:32 split
Half· 13.11 mi
1:26:00
Rank: #3880 (+22)
20K → Half
6:30/mi
4:26 split
25K· 15.53 mi
1:41:58
Rank: #3774 (+106)
Half → 25K
6:35/mi
15:58 split
30K· 18.64 mi
2:02:50
Rank: #3597 (+177)
25K → 30K
6:43/mi
20:52 split
20M
2:12:00
Rank: #3477 (+120)
30K → 20M
6:45/mi
9:10 split
21M
2:19:05
Rank: #3383 (+94)
20M → 21M
7:05/mi
7:05 split
35K· 21.75 mi
2:23:57
Rank: #3317 (+66)
21M → 35K
6:30/mi
4:52 split
23M
2:32:34
Rank: #3243 (+74)
35K → 23M
6:53/mi
8:37 split
24M
2:39:22
Rank: #3220 (+23)
23M → 24M
6:48/mi
6:48 split
40K· 24.85 mi
2:45:25
Rank: #3229 (-9)
24M → 40K
7:05/mi
6:03 split
25.2M
2:48:03
Rank: #3221 (+8)
40K → 25.2M
7:38/mi
2:38 split
Finish· 26.22 mi
2:55:01
Rank: #3251 (-30)
25.2M → Finish
6:50/mi
6:58 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:00
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:29:01
Pace6:47 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1520:166:3120:16
6:31
-
10K
6.21 mi10:46:3940:406:3320:24
6:34
+0:03
15K
9.32 mi11:07:011:01:026:3320:22
6:33
-0:01
20K
12.43 mi11:27:331:21:346:3420:32
6:37
+0:04
Half
13.11 mi11:31:591:26:006:344:26
6:30
-0:07
25K
15.53 mi11:47:571:41:586:3415:58
6:35
+0:05
30K
18.64 mi12:08:492:02:506:3520:52
6:43
+0:08
20M
20.00 mi12:17:592:12:006:369:10
6:45
+0:02
21M
21.00 mi12:25:042:19:056:377:05
7:05
+0:20
35K
21.75 mi12:29:562:23:576:374:52
6:30
-0:35
23M
23.00 mi12:38:332:32:346:388:37
6:53
+0:23
24M
24.00 mi12:45:212:39:226:386:48
6:48
-0:05
40K
24.85 mi12:51:242:45:256:396:03
7:05
+0:17
25.2M
25.20 mi12:54:022:48:036:402:38
7:38
+0:33
Finish
26.22 mi13:01:002:55:016:416:58
6:50
-0:48

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

6:30 /mi

Average Pace

6:41 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:23

98% of race

Time at Steady Pace

2:38

2% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:40 /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 mi10:26:1520:166:3120:16
6:31
#3995
10K
6.21 mi10:46:3940:406:3320:24
6:34
#4100
15K
9.32 mi11:07:011:01:026:3320:22
6:33
#4020
20K
12.43 mi11:27:331:21:346:3420:32
6:37
#3902
Half
13.11 mi11:31:591:26:006:344:26
6:30
#3880
25K
15.53 mi11:47:571:41:586:3415:58
6:35
#3774
30K
18.64 mi12:08:492:02:506:3520:52
6:43
#3597
20M
20.00 mi12:17:592:12:006:369:10
6:45
#3477
21M
21.00 mi12:25:042:19:056:377:05
7:05
#3383
35K
21.75 mi12:29:562:23:576:374:52
6:30
#3317
23M
23.00 mi12:38:332:32:346:388:37
6:53
#3243
24M
24.00 mi12:45:212:39:226:386:48
6:48
#3220
40K
24.85 mi12:51:242:45:256:396:03
7:05
#3229
25.2M
25.20 mi12:54:022:48:036:402:38
7:38
#3221
Finish
26.22 mi13:01:002:55:016:416:58
6:50
#3251
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3995377037703908(Top 14%)3684(Top 23%)3684(Top 65%)
10K6.21 mi3.10 mi4100-1053864-943864-944182(Top 15%)3932(Top 24%)3932(Top 70%)
15K9.32 mi3.11 mi4020+803790+743790+743908(Top 14%)3684(Top 23%)3684(Top 65%)
20K12.43 mi3.11 mi3902+1183676+1143676+1143746(Top 13%)3536(Top 22%)3536(Top 63%)
Half13.11 mi0.68 mi3880+223655+213655+213619(Top 13%)3419(Top 21%)3419(Top 61%)
25K15.53 mi2.42 mi3774+1063559+963559+963370(Top 12%)3184(Top 20%)3184(Top 56%)
30K18.64 mi3.11 mi3597+1773397+1623397+1622965(Top 10%)2792(Top 17%)2792(Top 49%)
20M20.00 mi1.36 mi3477+1203284+1133284+1132664(Top 9%)2498(Top 16%)2498(Top 44%)
21M21.00 mi1.00 mi3383+943197+873197+872596(Top 9%)2418(Top 15%)2418(Top 43%)
35K21.75 mi0.75 mi3317+663133+643133+642474(Top 9%)2307(Top 14%)2307(Top 41%)
23M23.00 mi1.25 mi3243+743061+723061+723113(Top 11%)2843(Top 18%)2843(Top 50%)
24M24.00 mi1.00 mi3220+233037+243037+243479(Top 12%)3114(Top 19%)3114(Top 55%)
40K24.85 mi0.85 mi3229-93042-53042-54296(Top 15%)3694(Top 23%)3694(Top 65%)
25.2M25.20 mi0.35 mi3221+83033+93033+93971(Top 14%)3387(Top 21%)3387(Top 60%)
Finish26.22 mi1.02 mi3251-303049-163049-164684(Top 16%)3908(Top 24%)3908(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

3908

Males

3684

M18-39

3684

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4182

Males

3932

M18-39

3932

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

3908

Males

3684

M18-39

3684

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3746

Males

3536

M18-39

3536

20K→Half

12.4 - 13.1 mi

Top 13%
×2story building
+19ft-37ft

Overall

3619

Males

3419

M18-39

3419

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3370

Males

3184

M18-39

3184

25K→30K

15.5 - 18.6 mi

Top 10%
×9story building
+181ft-148ft

Overall

2965

Males

2792

M18-39

2792

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2664

Males

2498

M18-39

2498

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2596

Males

2418

M18-39

2418

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2474

Males

2307

M18-39

2307

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

3113

Males

2843

M18-39

2843

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3479

Males

3114

M18-39

3114

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4296

Males

3694

M18-39

3694

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3971

Males

3387

M18-39

3387

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4684

Males

3908

M18-39

3908

Passing Analysis

Category:
Athletes Passed
1318
Passed By
574
Net Change
+744
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3995
5K → 10K108213-105#3995#4100
10K → 15K13959+80#4100#4020
15K → 20K15234+118#4020#3902
20K → Half253+22#3902#3880
Half → 25K13226+106#3880#3774
25K → 30K20326+177#3774#3597
30K → 20M1299+120#3597#3477
20M → 21M10915+94#3477#3383
21M → 35K704+66#3383#3317
35K → 23M10026+74#3317#3243
23M → 24M4724+23#3243#3220
24M → 40K4251-9#3220#3229
40K → 25.2M2214+8#3229#3221
25.2M → Finish4070-30#3221#3251
TOTALS1318574+744
📊

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