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BOSTON MARATHON 2025

Marcos Lacruz

Bib: 7672•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
7:03/mi
21:55
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
44:20
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:07:16
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:31:41
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:36:58
↑ 19↓ 370.5%
25K· 15.53 mi
8:12/mi
1:56:52
↑ 66↓ 880.2%
30K· 18.64 mi
9:09/mi
2:25:18
↑ 181↓ 1480.2%
20M
9:10/mi
2:37:46
↑ 64↓ 500.2%
21M
10:52/mi
2:48:38
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
2:55:13
↑ 17↓ 861.7%
23M
9:25/mi
3:07:01
↑ 23↓ 630.6%
24M
9:07/mi
3:16:08
↓ 821.3%
40K· 24.85 mi
10:15/mi
3:24:54
↓ 200.3%
25.2M
11:53/mi
3:29:00
↑ 13↓ 160.2%
Finish· 26.22 mi
9:55/mi
3:39:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:58
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time2:02:08
Pace9:19 /mi
📊Positive Split: 26.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:5421:557:0321:55
7:03
-
10K
6.21 mi10:52:1944:207:0822:25
7:13
+0:10
15K
9.32 mi11:15:151:07:167:1322:56
7:23
+0:10
20K
12.43 mi11:39:401:31:417:2324:25
7:52
+0:29
Half
13.11 mi11:44:571:36:587:245:17
7:45
-0:07
25K
15.53 mi12:04:511:56:527:3119:54
8:12
+0:27
30K
18.64 mi12:33:172:25:187:4828:26
9:09
+0:57
20M
20.00 mi12:45:452:37:467:5312:28
9:10
+0:01
21M
21.00 mi12:56:372:48:388:0210:52
10:52
+1:42
35K
21.75 mi13:03:122:55:138:036:35
8:48
-2:04
23M
23.00 mi13:15:003:07:018:0811:48
9:25
+0:37
24M
24.00 mi13:24:073:16:088:109:07
9:07
-0:18
40K
24.85 mi13:32:533:24:548:158:46
10:15
+1:08
25.2M
25.20 mi13:36:593:29:008:184:06
11:53
+1:38
Finish
26.22 mi13:47:053:39:068:2210:06
9:55
-1:58

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

7:03 /mi

Average Pace

8:22 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:52

53% of race

Time at Steady Pace

1:08:24

31% of race

Time at Slower Pace

33:50

15% of race

Average Pace: 8:21 /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 mi10:29:5421:557:0321:55
7:03
#8254
10K
6.21 mi10:52:1944:207:0822:25
7:13
#8907
15K
9.32 mi11:15:151:07:167:1322:56
7:23
#9468
20K
12.43 mi11:39:401:31:417:2324:25
7:52
#10564
Half
13.11 mi11:44:571:36:587:245:17
7:45
#10727
25K
15.53 mi12:04:511:56:527:3119:54
8:12
#11526
30K
18.64 mi12:33:172:25:187:4828:26
9:09
#13035
20M
20.00 mi12:45:452:37:467:5312:28
9:10
#13434
21M
21.00 mi12:56:372:48:388:0210:52
10:52
#14091
35K
21.75 mi13:03:122:55:138:036:35
8:48
#14256
23M
23.00 mi13:15:003:07:018:0811:48
9:25
#14530
24M
24.00 mi13:24:073:16:088:109:07
9:07
#14697
40K
24.85 mi13:32:533:24:548:158:46
10:15
#15059
25.2M
25.20 mi13:36:593:29:008:184:06
11:53
#15275
Finish
26.22 mi13:47:053:39:068:2210:06
9:55
#15646
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi82547160716010692(Top 38%)8452(Top 52%)8452(Top 354%)
10K6.21 mi3.10 mi8907-6537540-3807540-3809624(Top 34%)7949(Top 49%)7949(Top 333%)
15K9.32 mi3.11 mi9468-5617859-3197859-31910692(Top 38%)8452(Top 52%)8452(Top 354%)
20K12.43 mi3.11 mi10564-10968404-5458404-54513753(Top 48%)9761(Top 61%)9761(Top 409%)
Half13.11 mi0.68 mi10727-1638493-898493-8913760(Top 48%)9809(Top 61%)9809(Top 411%)
25K15.53 mi2.42 mi11526-7998832-3398832-33915361(Top 54%)10389(Top 65%)10389(Top 435%)
30K18.64 mi3.11 mi13035-15099427-5959427-59518405(Top 65%)11566(Top 72%)11566(Top 485%)
20M20.00 mi1.36 mi13434-3999578-1519578-15117637(Top 62%)11093(Top 69%)11093(Top 465%)
21M21.00 mi1.00 mi14091-6579833-2559833-25521004(Top 74%)12492(Top 78%)12492(Top 524%)
35K21.75 mi0.75 mi14256-1659892-599892-5917220(Top 61%)10698(Top 66%)10698(Top 448%)
23M23.00 mi1.25 mi14530-2749987-959987-9518331(Top 65%)11129(Top 69%)11129(Top 466%)
24M24.00 mi1.00 mi14697-16710026-3910026-3917948(Top 63%)10894(Top 68%)10894(Top 457%)
40K24.85 mi0.85 mi15059-36210144-11810144-11821219(Top 75%)12383(Top 77%)12383(Top 519%)
25.2M25.20 mi0.35 mi15275-21610220-7610220-7622955(Top 81%)13249(Top 82%)13249(Top 555%)
Finish26.22 mi1.02 mi15646-37110366-14610366-14622638(Top 80%)13093(Top 81%)13093(Top 549%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10692

Males

8452

M45-49

8452

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9624

Males

7949

M45-49

7949

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10692

Males

8452

M45-49

8452

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

13753

Males

9761

M45-49

9761

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

13760

Males

9809

M45-49

9809

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15361

Males

10389

M45-49

10389

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18405

Males

11566

M45-49

11566

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

17637

Males

11093

M45-49

11093

20M→21M

20.0 - 21.0 mi

Top 74%
×8story building
+106ft-24ft

Overall

21004

Males

12492

M45-49

12492

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17220

Males

10698

M45-49

10698

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18331

Males

11129

M45-49

11129

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17948

Males

10894

M45-49

10894

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21219

Males

12383

M45-49

12383

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22955

Males

13249

M45-49

13249

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

22638

Males

13093

M45-49

13093

Passing Analysis

Category:
Athletes Passed
406
Passed By
7796
Net Change
-7392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8254
5K → 10K42695-653#8254#8907
10K → 15K47608-561#8907#9468
15K → 20K281122-1096#9468#10564
20K → Half4167-163#10564#10727
Half → 25K45844-799#10727#11526
25K → 30K431552-1509#11526#13035
30K → 20M41440-399#13035#13434
20M → 21M15672-657#13434#14091
21M → 35K32197-165#14091#14256
35K → 23M46320-274#14256#14530
23M → 24M33200-167#14530#14697
24M → 40K15377-362#14697#15059
40K → 25.2M9225-216#15059#15275
25.2M → Finish6377-371#15275#15646
TOTALS4067796-7392
📊

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