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BOSTON MARATHON 2025

Marcello Rossi

Bib: 6551•M

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 28%
Gender (Male)
#0 / 16105
Top 41%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:32
Rank: #4685
Start → 5K
20:32 | 6:37/mi
10K· 6.21 mi
41:37
Rank: #5342 (-657)
5K → 10K
21:05 | 6:47/mi
15K· 9.32 mi
1:02:39
Rank: #5476 (-134)
10K → 15K
21:02 | 6:46/mi
20K· 12.43 mi
1:23:15
Rank: #4985 (+491)
15K → 20K
20:36 | 6:38/mi
Half· 13.11 mi
1:27:43
Rank: #4925 (+60)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:44:04
Rank: #4790 (+135)
Half → 25K
16:21 | 6:45/mi
30K· 18.64 mi
2:06:20
Rank: #4977 (-187)
25K → 30K
22:16 | 7:10/mi
20M
2:16:45
Rank: #5249 (-272)
30K → 20M
10:25 | 7:40/mi
21M
2:25:10
Rank: #5521 (-272)
20M → 21M
8:25 | 8:25/mi
35K· 21.75 mi
2:30:48
Rank: #5623 (-102)
21M → 35K
5:38 | 7:32/mi
23M
2:41:21
Rank: #5901 (-278)
35K → 23M
10:33 | 8:26/mi
24M
2:50:00
Rank: #6215 (-314)
23M → 24M
8:39 | 8:39/mi
40K· 24.85 mi
2:57:40
Rank: #6488 (-273)
24M → 40K
7:40 | 8:58/mi
25.2M
3:01:57
Rank: #6898 (-410)
40K → 25.2M
4:17 | 12:25/mi
Finish· 26.22 mi
3:13:01
Rank: #7907 (-1009)
25.2M → Finish
11:04 | 10:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:43
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:45:18
Pace8:02 /mi
📊Positive Split: 20.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2420:326:3720:32
6:37
-
10K
6.21 mi10:46:2941:376:4221:05
6:47
+0:10
15K
9.32 mi11:07:311:02:396:4321:02
6:46
-0:01
20K
12.43 mi11:28:071:23:156:4220:36
6:38
-0:08
Half
13.11 mi11:32:351:27:436:414:28
6:33
-0:05
25K
15.53 mi11:48:561:44:046:4216:21
6:45
+0:12
30K
18.64 mi12:11:122:06:206:4722:16
7:10
+0:25
20M
20.00 mi12:21:372:16:456:5010:25
7:40
+0:30
21M
21.00 mi12:30:022:25:106:558:25
8:25
+0:45
35K
21.75 mi12:35:402:30:486:565:38
7:32
-0:53
23M
23.00 mi12:46:132:41:217:0110:33
8:26
+0:54
24M
24.00 mi12:54:522:50:007:058:39
8:39
+0:13
40K
24.85 mi13:02:322:57:407:097:40
8:58
+0:19
25.2M
25.20 mi13:06:493:01:577:134:17
12:25
+3:27
Finish
26.22 mi13:17:533:13:017:2211:04
10:52
-1:33

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

6:33 /mi

Average Pace

7:22 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

45:36

24% of race

Time at Steady Pace

1:36:47

50% of race

Time at Slower Pace

50:38

26% of race

Average Pace: 7:22 /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 mi10:25:2420:326:3720:32
6:37
#4685
10K
6.21 mi10:46:2941:376:4221:05
6:47
#5342
15K
9.32 mi11:07:311:02:396:4321:02
6:46
#5476
20K
12.43 mi11:28:071:23:156:4220:36
6:38
#4985
Half
13.11 mi11:32:351:27:436:414:28
6:33
#4925
25K
15.53 mi11:48:561:44:046:4216:21
6:45
#4790
30K
18.64 mi12:11:122:06:206:4722:16
7:10
#4977
20M
20.00 mi12:21:372:16:456:5010:25
7:40
#5249
21M
21.00 mi12:30:022:25:106:558:25
8:25
#5521
35K
21.75 mi12:35:402:30:486:565:38
7:32
#5623
23M
23.00 mi12:46:132:41:217:0110:33
8:26
#5901
24M
24.00 mi12:54:522:50:007:058:39
8:39
#6215
40K
24.85 mi13:02:322:57:407:097:40
8:58
#6488
25.2M
25.20 mi13:06:493:01:577:134:17
12:25
#6898
Finish
26.22 mi13:17:533:13:017:2211:04
10:52
#7907
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4685439443945793(Top 20%)5282(Top 33%)5282(Top 94%)
10K6.21 mi3.10 mi5342-6574953-5594953-5596251(Top 22%)5688(Top 35%)5688(Top 101%)
15K9.32 mi3.11 mi5476-1345064-1115064-1115793(Top 20%)5282(Top 33%)5282(Top 94%)
20K12.43 mi3.11 mi4985+4914641+4234641+4233910(Top 14%)3684(Top 23%)3684(Top 65%)
Half13.11 mi0.68 mi4925+604590+514590+514064(Top 14%)3828(Top 24%)3828(Top 68%)
25K15.53 mi2.42 mi4790+1354456+1344456+1344451(Top 16%)4123(Top 26%)4123(Top 73%)
30K18.64 mi3.11 mi4977-1874595-1394595-1395720(Top 20%)5110(Top 32%)5110(Top 91%)
20M20.00 mi1.36 mi5249-2724813-2184813-2188110(Top 29%)6508(Top 40%)6508(Top 115%)
21M21.00 mi1.00 mi5521-2725037-2245037-2249918(Top 35%)7308(Top 45%)7308(Top 130%)
35K21.75 mi0.75 mi5623-1025112-755112-758797(Top 31%)6728(Top 42%)6728(Top 119%)
23M23.00 mi1.25 mi5901-2785305-1935305-19312820(Top 45%)8605(Top 53%)8605(Top 153%)
24M24.00 mi1.00 mi6215-3145526-2215526-22115405(Top 54%)9756(Top 61%)9756(Top 173%)
40K24.85 mi0.85 mi6488-2735694-1685694-16816064(Top 57%)9937(Top 62%)9937(Top 176%)
25.2M25.20 mi0.35 mi6898-4105958-2645958-26424013(Top 85%)13762(Top 85%)13762(Top 244%)
Finish26.22 mi1.02 mi7907-10096569-6116569-61125074(Top 88%)14317(Top 89%)14317(Top 254%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5793

Males

5282

M18-39

5282

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6251

Males

5688

M18-39

5688

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5793

Males

5282

M18-39

5282

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3910

Males

3684

M18-39

3684

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

4064

Males

3828

M18-39

3828

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4451

Males

4123

M18-39

4123

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5720

Males

5110

M18-39

5110

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8110

Males

6508

M18-39

6508

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

9918

Males

7308

M18-39

7308

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8797

Males

6728

M18-39

6728

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

12820

Males

8605

M18-39

8605

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

15405

Males

9756

M18-39

9756

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16064

Males

9937

M18-39

9937

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24013

Males

13762

M18-39

13762

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

25074

Males

14317

M18-39

14317

Passing Analysis

Category:
Athletes Passed
1062
Passed By
4284
Net Change
-3222
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4685
5K → 10K32689-657#4685#5342
10K → 15K72206-134#5342#5476
15K → 20K4965+491#5476#4985
20K → Half655+60#4985#4925
Half → 25K16934+135#4925#4790
25K → 30K111298-187#4790#4977
30K → 20M22294-272#4977#5249
20M → 21M18290-272#5249#5521
21M → 35K20122-102#5521#5623
35K → 23M35313-278#5623#5901
23M → 24M10324-314#5901#6215
24M → 40K9282-273#6215#6488
40K → 25.2M1411-410#6488#6898
25.2M → Finish21011-1009#6898#7907
TOTALS10624284-3222
📊

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