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BOSTON MARATHON 2025

Alessandro Allegrini

Bib: 3136•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:20
Rank: #1976
Start → 5K
19:20 | 6:13/mi
10K· 6.21 mi
38:10
Rank: #1600 (+376)
5K → 10K
18:50 | 6:04/mi
15K· 9.32 mi
57:04
Rank: #1492 (+108)
10K → 15K
18:54 | 6:05/mi
20K· 12.43 mi
1:16:10
Rank: #1439 (+53)
15K → 20K
19:06 | 6:09/mi
Half· 13.11 mi
1:20:19
Rank: #1443 (-4)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:35:23
Rank: #1433 (+10)
Half → 25K
15:04 | 6:13/mi
30K· 18.64 mi
1:55:17
Rank: #1420 (+13)
25K → 30K
19:54 | 6:24/mi
20M
2:04:07
Rank: #1410 (+10)
30K → 20M
8:50 | 6:30/mi
21M
2:10:59
Rank: #1406 (+4)
20M → 21M
6:52 | 6:52/mi
35K· 21.75 mi
2:15:48
Rank: #1404 (+2)
21M → 35K
4:49 | 6:26/mi
23M
2:24:14
Rank: #1435 (-31)
35K → 23M
8:26 | 6:44/mi
24M
2:30:57
Rank: #1464 (-29)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:36:51
Rank: #1498 (-34)
24M → 40K
5:54 | 6:54/mi
25.2M
2:39:26
Rank: #1515 (-17)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
2:46:06
Rank: #1544 (-29)
25.2M → Finish
6:40 | 6:33/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:19
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:25:47
Pace6:33 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2819:206:1319:20
6:13
-
10K
6.21 mi10:39:1838:106:0918:50
6:04
-0:09
15K
9.32 mi10:58:1257:046:0718:54
6:05
+0:01
20K
12.43 mi11:17:181:16:106:0819:06
6:09
+0:04
Half
13.11 mi11:21:271:20:196:084:09
6:05
-0:04
25K
15.53 mi11:36:311:35:236:0815:04
6:13
+0:08
30K
18.64 mi11:56:251:55:176:1119:54
6:24
+0:11
20M
20.00 mi12:05:152:04:076:128:50
6:30
+0:06
21M
21.00 mi12:12:072:10:596:146:52
6:52
+0:22
35K
21.75 mi12:16:562:15:486:154:49
6:26
-0:26
23M
23.00 mi12:25:222:24:146:168:26
6:44
+0:18
24M
24.00 mi12:32:052:30:576:176:43
6:43
-0:01
40K
24.85 mi12:37:592:36:516:195:54
6:54
+0:11
25.2M
25.20 mi12:40:342:39:266:202:35
7:29
+0:35
Finish
26.22 mi12:47:142:46:066:206:40
6:33
-0:56

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

6:04 /mi

Average Pace

6:20 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:35:23

57% of race

Time at Steady Pace

40:13

24% of race

Time at Slower Pace

30:30

18% of race

Average Pace: 6:20 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:20:2819:206:1319:20
6:13
#1976
10K
6.21 mi10:39:1838:106:0918:50
6:04
#1600
15K
9.32 mi10:58:1257:046:0718:54
6:05
#1492
20K
12.43 mi11:17:181:16:106:0819:06
6:09
#1439
Half
13.11 mi11:21:271:20:196:084:09
6:05
#1443
25K
15.53 mi11:36:311:35:236:0815:04
6:13
#1433
30K
18.64 mi11:56:251:55:176:1119:54
6:24
#1420
20M
20.00 mi12:05:152:04:076:128:50
6:30
#1410
21M
21.00 mi12:12:072:10:596:146:52
6:52
#1406
35K
21.75 mi12:16:562:15:486:154:49
6:26
#1404
23M
23.00 mi12:25:222:24:146:168:26
6:44
#1435
24M
24.00 mi12:32:052:30:576:176:43
6:43
#1464
40K
24.85 mi12:37:592:36:516:195:54
6:54
#1498
25.2M
25.20 mi12:40:342:39:266:202:35
7:29
#1515
Finish
26.22 mi12:47:142:46:066:206:40
6:33
#1544
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1976187918791314(Top 5%)1247(Top 8%)1247(Top 22%)
10K6.21 mi3.10 mi1600+3761522+3571522+3571331(Top 5%)1262(Top 8%)1262(Top 22%)
15K9.32 mi3.11 mi1492+1081417+1051417+1051314(Top 5%)1247(Top 8%)1247(Top 22%)
20K12.43 mi3.11 mi1439+531365+521365+521364(Top 5%)1292(Top 8%)1292(Top 23%)
Half13.11 mi0.68 mi1443-41369-41369-41480(Top 5%)1408(Top 9%)1408(Top 25%)
25K15.53 mi2.42 mi1433+101361+81361+81511(Top 5%)1436(Top 9%)1436(Top 25%)
30K18.64 mi3.11 mi1420+131344+171344+171580(Top 6%)1497(Top 9%)1497(Top 27%)
20M20.00 mi1.36 mi1410+101330+141330+141619(Top 6%)1530(Top 10%)1530(Top 27%)
21M21.00 mi1.00 mi1406+41328+21328+21738(Top 6%)1639(Top 10%)1639(Top 29%)
35K21.75 mi0.75 mi1404+21326+21326+22149(Top 8%)2008(Top 12%)2008(Top 36%)
23M23.00 mi1.25 mi1435-311355-291355-292389(Top 8%)2216(Top 14%)2216(Top 39%)
24M24.00 mi1.00 mi1464-291384-291384-293030(Top 11%)2743(Top 17%)2743(Top 49%)
40K24.85 mi0.85 mi1498-341415-311415-313309(Top 12%)2951(Top 18%)2951(Top 52%)
25.2M25.20 mi0.35 mi1515-171431-161431-163278(Top 12%)2868(Top 18%)2868(Top 51%)
Finish26.22 mi1.02 mi1544-291461-301461-302998(Top 11%)2666(Top 17%)2666(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1314

Males

1247

M18-39

1247

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1331

Males

1262

M18-39

1262

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1314

Males

1247

M18-39

1247

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1364

Males

1292

M18-39

1292

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1480

Males

1408

M18-39

1408

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1511

Males

1436

M18-39

1436

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1580

Males

1497

M18-39

1497

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1619

Males

1530

M18-39

1530

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1738

Males

1639

M18-39

1639

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2149

Males

2008

M18-39

2008

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2389

Males

2216

M18-39

2216

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3030

Males

2743

M18-39

2743

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3309

Males

2951

M18-39

2951

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3278

Males

2868

M18-39

2868

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2998

Males

2666

M18-39

2666

Passing Analysis

Category:
Athletes Passed
862
Passed By
430
Net Change
+432
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1976
5K → 10K3848+376#1976#1600
10K → 15K1168+108#1600#1492
15K → 20K7926+53#1492#1439
20K → Half48-4#1439#1443
Half → 25K5040+10#1443#1433
25K → 30K6148+13#1433#1420
30K → 20M3727+10#1420#1410
20M → 21M2925+4#1410#1406
21M → 35K2018+2#1406#1404
35K → 23M2556-31#1404#1435
23M → 24M2453-29#1435#1464
24M → 40K1145-34#1464#1498
40K → 25.2M724-17#1498#1515
25.2M → Finish1544-29#1515#1544
TOTALS862430+432
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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