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BOSTON MARATHON 2025

Alexandre Leonelli

Bib: 4852•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 16%
Division (M18-39)
#0 / 5642
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:50
Rank: #2987
Start → 5K
19:50 | 6:23/mi
10K· 6.21 mi
39:39
Rank: #2908 (+79)
5K → 10K
19:49 | 6:23/mi
15K· 9.32 mi
59:31
Rank: #2895 (+13)
10K → 15K
19:52 | 6:24/mi
20K· 12.43 mi
1:19:19
Rank: #2745 (+150)
15K → 20K
19:48 | 6:22/mi
Half· 13.11 mi
1:23:36
Rank: #2719 (+26)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:38:50
Rank: #2532 (+187)
Half → 25K
15:14 | 6:17/mi
30K· 18.64 mi
1:58:43
Rank: #2279 (+253)
25K → 30K
19:53 | 6:24/mi
20M
2:07:52
Rank: #2277 (+2)
30K → 20M
9:09 | 6:44/mi
21M
2:15:25
Rank: #2370 (-93)
20M → 21M
7:33 | 7:33/mi
35K· 21.75 mi
2:20:33
Rank: #2426 (-56)
21M → 35K
5:08 | 6:52/mi
23M
2:30:14
Rank: #2693 (-267)
35K → 23M
9:41 | 7:44/mi
24M
2:37:18
Rank: #2747 (-54)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
2:43:22
Rank: #2766 (-19)
24M → 40K
6:04 | 7:06/mi
25.2M
2:46:02
Rank: #2778 (-12)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
2:52:46
Rank: #2770 (+8)
25.2M → Finish
6:44 | 6:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:36
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:29:10
Pace6:48 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2819:506:2319:50
6:23
-
10K
6.21 mi10:43:1739:396:2319:49
6:23
0:00
15K
9.32 mi11:03:0959:316:2319:52
6:24
+0:01
20K
12.43 mi11:22:571:19:196:2319:48
6:22
-0:02
Half
13.11 mi11:27:141:23:366:234:17
6:17
-0:05
25K
15.53 mi11:42:281:38:506:2215:14
6:17
0:00
30K
18.64 mi12:02:211:58:436:2219:53
6:24
+0:07
20M
20.00 mi12:11:302:07:526:249:09
6:44
+0:20
21M
21.00 mi12:19:032:15:256:277:33
7:33
+0:49
35K
21.75 mi12:24:112:20:336:285:08
6:52
-0:41
23M
23.00 mi12:33:522:30:146:329:41
7:44
+0:52
24M
24.00 mi12:40:562:37:186:337:04
7:04
-0:40
40K
24.85 mi12:47:002:43:226:346:04
7:06
+0:02
25.2M
25.20 mi12:49:402:46:026:352:40
7:44
+0:38
Finish
26.22 mi12:56:242:52:466:366:44
6:36
-1:08

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

6:17 /mi

Average Pace

6:36 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:31

11% of race

Time at Steady Pace

1:55:05

67% of race

Time at Slower Pace

38:10

22% of race

Average Pace: 6:35 /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 mi10:23:2819:506:2319:50
6:23
#2987
10K
6.21 mi10:43:1739:396:2319:49
6:23
#2908
15K
9.32 mi11:03:0959:316:2319:52
6:24
#2895
20K
12.43 mi11:22:571:19:196:2319:48
6:22
#2745
Half
13.11 mi11:27:141:23:366:234:17
6:17
#2719
25K
15.53 mi11:42:281:38:506:2215:14
6:17
#2532
30K
18.64 mi12:02:211:58:436:2219:53
6:24
#2279
20M
20.00 mi12:11:302:07:526:249:09
6:44
#2277
21M
21.00 mi12:19:032:15:256:277:33
7:33
#2370
35K
21.75 mi12:24:112:20:336:285:08
6:52
#2426
23M
23.00 mi12:33:522:30:146:329:41
7:44
#2693
24M
24.00 mi12:40:562:37:186:337:04
7:04
#2747
40K
24.85 mi12:47:002:43:226:346:04
7:06
#2766
25.2M
25.20 mi12:49:402:46:026:352:40
7:44
#2778
Finish
26.22 mi12:56:242:52:466:366:44
6:36
#2770
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2987284028402895(Top 10%)2759(Top 17%)2759(Top 49%)
10K6.21 mi3.10 mi2908+792771+692771+692891(Top 10%)2752(Top 17%)2752(Top 49%)
15K9.32 mi3.11 mi2895+132759+122759+122895(Top 10%)2759(Top 17%)2759(Top 49%)
20K12.43 mi3.11 mi2745+1502617+1422617+1422382(Top 8%)2272(Top 14%)2272(Top 40%)
Half13.11 mi0.68 mi2719+262594+232594+232387(Top 8%)2284(Top 14%)2284(Top 40%)
25K15.53 mi2.42 mi2532+1872416+1782416+1781782(Top 6%)1693(Top 11%)1693(Top 30%)
30K18.64 mi3.11 mi2279+2532174+2422174+2421556(Top 5%)1474(Top 9%)1474(Top 26%)
20M20.00 mi1.36 mi2277+22172+22172+22598(Top 9%)2440(Top 15%)2440(Top 43%)
21M21.00 mi1.00 mi2370-932258-862258-864825(Top 17%)4235(Top 26%)4235(Top 75%)
35K21.75 mi0.75 mi2426-562315-572315-574431(Top 16%)3933(Top 24%)3933(Top 70%)
23M23.00 mi1.25 mi2693-2672559-2442559-2448062(Top 28%)6187(Top 38%)6187(Top 110%)
24M24.00 mi1.00 mi2747-542604-452604-454971(Top 18%)4228(Top 26%)4228(Top 75%)
40K24.85 mi0.85 mi2766-192621-172621-174402(Top 15%)3770(Top 23%)3770(Top 67%)
25.2M25.20 mi0.35 mi2778-122631-102631-104410(Top 16%)3688(Top 23%)3688(Top 65%)
Finish26.22 mi1.02 mi2770+82620+112620+113348(Top 12%)2932(Top 18%)2932(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2895

Males

2759

M18-39

2759

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2891

Males

2752

M18-39

2752

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2895

Males

2759

M18-39

2759

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2382

Males

2272

M18-39

2272

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2387

Males

2284

M18-39

2284

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1782

Males

1693

M18-39

1693

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1556

Males

1474

M18-39

1474

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2598

Males

2440

M18-39

2440

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4825

Males

4235

M18-39

4235

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4431

Males

3933

M18-39

3933

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

8062

Males

6187

M18-39

6187

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4971

Males

4228

M18-39

4228

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4402

Males

3770

M18-39

3770

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4410

Males

3688

M18-39

3688

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3348

Males

2932

M18-39

2932

Passing Analysis

Category:
Athletes Passed
1111
Passed By
894
Net Change
+217
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2987
5K → 10K17293+79#2987#2908
10K → 15K9077+13#2908#2895
15K → 20K17222+150#2895#2745
20K → Half315+26#2745#2719
Half → 25K1914+187#2719#2532
25K → 30K2607+253#2532#2279
30K → 20M4240+2#2279#2277
20M → 21M20113-93#2277#2370
21M → 35K1369-56#2370#2426
35K → 23M12279-267#2426#2693
23M → 24M2882-54#2693#2747
24M → 40K2847-19#2747#2766
40K → 25.2M1426-12#2766#2778
25.2M → Finish3830+8#2778#2770
TOTALS1111894+217
📊

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