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BOSTON MARATHON 2025

Michael Alcaide

Bib: 31747•M

NJ

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
10:42/mi
33:16
↑ 97↓ 3451.5%
10K· 6.21 mi
11:05/mi
1:07:43
↑ 79↓ 1380.4%
15K· 9.32 mi
12:01/mi
1:45:02
↑ 67↓ 78
20K· 12.43 mi
11:39/mi
2:21:13
↑ 106↓ 860.1%
Half· 13.11 mi
11:22/mi
2:28:58
↑ 19↓ 370.5%
25K· 15.53 mi
12:01/mi
2:58:07
↑ 66↓ 880.2%
30K· 18.64 mi
12:55/mi
3:38:16
↑ 181↓ 1480.2%
20M
13:38/mi
3:56:47
↑ 64↓ 500.2%
21M
13:48/mi
4:10:35
↑ 106↓ 241.6%
35K· 21.75 mi
12:02/mi
4:19:35
↑ 17↓ 861.7%
23M
13:00/mi
4:35:52
↑ 23↓ 630.6%
24M
11:40/mi
4:47:32
↓ 821.3%
40K· 24.85 mi
11:40/mi
4:57:31
↓ 200.3%
25.2M
15:57/mi
5:03:01
↑ 13↓ 160.2%
Finish· 26.22 mi
12:41/mi
5:15:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:58
Pace11:22 /mi
2nd Half
Distance13.11 mi
Time2:46:59
Pace12:44 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:2433:1610:4233:16
10:42
-
10K
6.21 mi12:31:511:07:4310:5434:27
11:05
+0:23
15K
9.32 mi13:09:101:45:0211:1637:19
12:01
+0:56
20K
12.43 mi13:45:212:21:1311:2236:11
11:39
-0:22
Half
13.11 mi13:53:062:28:5811:227:45
11:22
-0:17
25K
15.53 mi14:22:152:58:0711:2829:09
12:01
+0:39
30K
18.64 mi15:02:243:38:1611:4340:09
12:55
+0:54
20M
20.00 mi15:20:553:56:4711:5018:31
13:38
+0:43
21M
21.00 mi15:34:434:10:3511:5613:48
13:48
+0:10
35K
21.75 mi15:43:434:19:3511:569:00
12:02
-1:46
23M
23.00 mi16:00:004:35:5212:0016:17
13:00
+0:58
24M
24.00 mi16:11:404:47:3211:5911:40
11:40
-1:20
40K
24.85 mi16:21:394:57:3111:589:59
11:40
0:00
25.2M
25.20 mi16:27:095:03:0112:015:30
15:57
+4:17
Finish
26.22 mi16:40:055:15:5712:0412:56
12:41
-3:16

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

10:42 /mi

Average Pace

12:04 /mi

Slowest Pace

15:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:28

24% of race

Time at Steady Pace

2:13:18

42% of race

Time at Slower Pace

1:47:11

34% of race

Average Pace: 12:03 /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 mi11:57:2433:1610:4233:16
10:42
#27130
10K
6.21 mi12:31:511:07:4310:5434:27
11:05
#27191
15K
9.32 mi13:09:101:45:0211:1637:19
12:01
#27396
20K
12.43 mi13:45:212:21:1311:2236:11
11:39
#27232
Half
13.11 mi13:53:062:28:5811:227:45
11:22
#27218
25K
15.53 mi14:22:152:58:0711:2829:09
12:01
#27086
30K
18.64 mi15:02:243:38:1611:4340:09
12:55
#27030
20M
20.00 mi15:20:553:56:4711:5018:31
13:38
#27027
21M
21.00 mi15:34:434:10:3511:5613:48
13:48
#27002
35K
21.75 mi15:43:434:19:3511:569:00
12:02
#26993
23M
23.00 mi16:00:004:35:5212:0016:17
13:00
#26975
24M
24.00 mi16:11:404:47:3211:5911:40
11:40
#26905
40K
24.85 mi16:21:394:57:3111:589:59
11:40
#26831
25.2M
25.20 mi16:27:095:03:0112:015:30
15:57
#26861
Finish
26.22 mi16:40:055:15:5712:0412:56
12:41
#26899
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi27130156551565527638(Top 97%)15798(Top 98%)15798(Top 662%)
10K6.21 mi3.10 mi27191-6115649+615649+627171(Top 96%)15637(Top 97%)15637(Top 655%)
15K9.32 mi3.11 mi27396-20515739-9015739-9027638(Top 97%)15798(Top 98%)15798(Top 662%)
20K12.43 mi3.11 mi27232+16415664+7515664+7526795(Top 94%)15456(Top 96%)15456(Top 648%)
Half13.11 mi0.68 mi27218+1415652+1215652+1226943(Top 95%)15498(Top 96%)15498(Top 650%)
25K15.53 mi2.42 mi27086+13215589+6315589+6326458(Top 93%)15278(Top 95%)15278(Top 640%)
30K18.64 mi3.11 mi27030+5615552+3715552+3726600(Top 94%)15253(Top 95%)15253(Top 639%)
20M20.00 mi1.36 mi27027+315540+1215540+1227014(Top 95%)15379(Top 95%)15379(Top 645%)
21M21.00 mi1.00 mi27002+2515523+1715523+1726011(Top 92%)14895(Top 92%)14895(Top 624%)
35K21.75 mi0.75 mi26993+915515+815515+825915(Top 91%)14792(Top 92%)14792(Top 620%)
23M23.00 mi1.25 mi26975+1815499+1615499+1626377(Top 93%)15026(Top 93%)15026(Top 630%)
24M24.00 mi1.00 mi26905+7015457+4215457+4225196(Top 89%)14406(Top 89%)14406(Top 604%)
40K24.85 mi0.85 mi26831+7415413+4415413+4424420(Top 86%)13978(Top 87%)13978(Top 586%)
25.2M25.20 mi0.35 mi26861-3015427-1415427-1427687(Top 97%)15641(Top 97%)15641(Top 656%)
Finish26.22 mi1.02 mi26899-3815440-1315440-1327422(Top 97%)15520(Top 96%)15520(Top 650%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

27638

Males

15798

M45-49

15798

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

27171

Males

15637

M45-49

15637

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

27638

Males

15798

M45-49

15798

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

26795

Males

15456

M45-49

15456

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

26943

Males

15498

M45-49

15498

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26458

Males

15278

M45-49

15278

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26600

Males

15253

M45-49

15253

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

27014

Males

15379

M45-49

15379

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26011

Males

14895

M45-49

14895

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25915

Males

14792

M45-49

14792

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

26377

Males

15026

M45-49

15026

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25196

Males

14406

M45-49

14406

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

24420

Males

13978

M45-49

13978

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27687

Males

15641

M45-49

15641

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

27422

Males

15520

M45-49

15520

Passing Analysis

Category:
Athletes Passed
925
Passed By
694
Net Change
+231
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27130
5K → 10K124185-61#27130#27191
10K → 15K41246-205#27191#27396
15K → 20K19228+164#27396#27232
20K → Half2612+14#27232#27218
Half → 25K14715+132#27218#27086
25K → 30K10549+56#27086#27030
30K → 20M3936+3#27030#27027
20M → 21M3510+25#27027#27002
21M → 35K1910+9#27002#26993
35K → 23M3618+18#26993#26975
23M → 24M755+70#26975#26905
24M → 40K751+74#26905#26831
40K → 25.2M131-30#26831#26861
25.2M → Finish1048-38#26861#26899
TOTALS925694+231
📊

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