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BOSTON MARATHON 2025

Alex Martellio

Bib: 27027•M

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:10/mi
28:29
↑ 97↓ 3451.5%
10K· 6.21 mi
9:12/mi
57:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:41/mi
1:24:02
↑ 67↓ 78
20K· 12.43 mi
8:50/mi
1:51:30
↑ 106↓ 860.1%
Half· 13.11 mi
8:46/mi
1:57:29
↑ 19↓ 370.5%
25K· 15.53 mi
8:59/mi
2:19:16
↑ 66↓ 880.2%
30K· 18.64 mi
9:20/mi
2:48:16
↑ 181↓ 1480.2%
20M
9:35/mi
3:01:18
↑ 64↓ 500.2%
21M
9:56/mi
3:11:14
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
3:17:53
↑ 17↓ 861.7%
23M
9:20/mi
3:29:34
↑ 23↓ 630.6%
24M
9:15/mi
3:38:49
↓ 821.3%
40K· 24.85 mi
9:19/mi
3:46:47
↓ 200.3%
25.2M
10:09/mi
3:50:17
↑ 13↓ 160.2%
Finish· 26.22 mi
9:03/mi
3:59:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:29
Pace8:58 /mi
2nd Half
Distance13.11 mi
Time2:02:01
Pace9:18 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:2628:299:1028:29
9:10
-
10K
6.21 mi12:13:0057:039:1128:34
9:12
+0:02
15K
9.32 mi12:39:591:24:029:0126:59
8:41
-0:31
20K
12.43 mi13:07:271:51:308:5827:28
8:50
+0:09
Half
13.11 mi13:13:261:57:298:585:59
8:46
-0:04
25K
15.53 mi13:35:132:19:168:5821:47
8:59
+0:13
30K
18.64 mi14:04:132:48:169:0229:00
9:20
+0:21
20M
20.00 mi14:17:153:01:189:0413:02
9:35
+0:15
21M
21.00 mi14:27:113:11:149:069:56
9:56
+0:21
35K
21.75 mi14:33:503:17:539:066:39
8:53
-1:03
23M
23.00 mi14:45:313:29:349:0711:41
9:20
+0:27
24M
24.00 mi14:54:463:38:499:079:15
9:15
-0:05
40K
24.85 mi15:02:443:46:479:077:58
9:19
+0:04
25.2M
25.20 mi15:06:143:50:179:083:30
10:09
+0:50
Finish
26.22 mi15:15:273:59:309:089:13
9:03
-1:06

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

8:41 /mi

Average Pace

9:08 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:02

89% of race

Time at Steady Pace

26:28

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:08 /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 mi11:44:2628:299:1028:29
9:10
#23091
10K
6.21 mi12:13:0057:039:1128:34
9:12
#23139
15K
9.32 mi12:39:591:24:029:0126:59
8:41
#22339
20K
12.43 mi13:07:271:51:308:5827:28
8:50
#21805
Half
13.11 mi13:13:261:57:298:585:59
8:46
#21749
25K
15.53 mi13:35:132:19:168:5821:47
8:59
#21409
30K
18.64 mi14:04:132:48:169:0229:00
9:20
#20998
20M
20.00 mi14:17:153:01:189:0413:02
9:35
#20872
21M
21.00 mi14:27:113:11:149:069:56
9:56
#20667
35K
21.75 mi14:33:503:17:539:066:39
8:53
#20571
23M
23.00 mi14:45:313:29:349:0711:41
9:20
#20427
24M
24.00 mi14:54:463:38:499:079:15
9:15
#20376
40K
24.85 mi15:02:443:46:479:077:58
9:19
#20292
25.2M
25.20 mi15:06:143:50:179:083:30
10:09
#20260
Finish
26.22 mi15:15:273:59:309:089:13
9:03
#20256
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23091138051380520396(Top 72%)12689(Top 79%)12689(Top 225%)
10K6.21 mi3.10 mi23139-4813851-4613851-4623169(Top 82%)13882(Top 86%)13882(Top 246%)
15K9.32 mi3.11 mi22339+80013505+34613505+34620396(Top 72%)12689(Top 79%)12689(Top 225%)
20K12.43 mi3.11 mi21805+53413248+25713248+25720152(Top 71%)12529(Top 78%)12529(Top 222%)
Half13.11 mi0.68 mi21749+5613223+2513223+2520729(Top 73%)12783(Top 79%)12783(Top 227%)
25K15.53 mi2.42 mi21409+34013073+15013073+15019818(Top 70%)12339(Top 77%)12339(Top 219%)
30K18.64 mi3.11 mi20998+41112854+21912854+21919267(Top 68%)11955(Top 74%)11955(Top 212%)
20M20.00 mi1.36 mi20872+12612786+6812786+6819562(Top 69%)11950(Top 74%)11950(Top 212%)
21M21.00 mi1.00 mi20667+20512671+11512671+11518041(Top 64%)11183(Top 69%)11183(Top 198%)
35K21.75 mi0.75 mi20571+9612613+5812613+5817697(Top 62%)10923(Top 68%)10923(Top 194%)
23M23.00 mi1.25 mi20427+14412523+9012523+9017924(Top 63%)10934(Top 68%)10934(Top 194%)
24M24.00 mi1.00 mi20376+5112486+3712486+3718577(Top 65%)11206(Top 70%)11206(Top 199%)
40K24.85 mi0.85 mi20292+8412420+6612420+6617929(Top 63%)10796(Top 67%)10796(Top 191%)
25.2M25.20 mi0.35 mi20260+3212403+1712403+1717667(Top 62%)10690(Top 66%)10690(Top 189%)
Finish26.22 mi1.02 mi20256+412389+1412389+1419255(Top 68%)11463(Top 71%)11463(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

20396

Males

12689

M18-39

12689

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

23169

Males

13882

M18-39

13882

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

20396

Males

12689

M18-39

12689

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

20152

Males

12529

M18-39

12529

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

20729

Males

12783

M18-39

12783

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19818

Males

12339

M18-39

12339

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19267

Males

11955

M18-39

11955

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19562

Males

11950

M18-39

11950

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18041

Males

11183

M18-39

11183

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17697

Males

10923

M18-39

10923

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

17924

Males

10934

M18-39

10934

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

18577

Males

11206

M18-39

11206

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

17929

Males

10796

M18-39

10796

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17667

Males

10690

M18-39

10690

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

19255

Males

11463

M18-39

11463

Passing Analysis

Category:
Athletes Passed
3330
Passed By
495
Net Change
+2835
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23091
5K → 10K198246-48#23091#23139
10K → 15K8033+800#23139#22339
15K → 20K5439+534#22339#21805
20K → Half626+56#21805#21749
Half → 25K35313+340#21749#21409
25K → 30K43928+411#21409#20998
30K → 20M16539+126#20998#20872
20M → 21M21712+205#20872#20667
21M → 35K1026+96#20667#20571
35K → 23M15713+144#20571#20427
23M → 24M7928+51#20427#20376
24M → 40K10420+84#20376#20292
40K → 25.2M419+32#20292#20260
25.2M → Finish6763+4#20260#20256
TOTALS3330495+2835
📊

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