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BOSTON MARATHON 2025

Carlos Spallanzani

Bib: 1549 M AR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Masters (Masters Men)
#0 / 10463
Top 1.0%
Division (M50-54)
#0 / 1996
Top 0.2%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:07/mi
19:00
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:07/mi
38:01
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:07/mi
57:00
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:05/mi
1:15:54
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
5:49/mi
1:19:52
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:05/mi
1:34:36
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:05/mi
1:53:29
↑ 181↓ 1480.2%
138 ft elev
20M
6:06/mi
2:01:46
↑ 64↓ 500.2%
148 ft elev
21M
6:13/mi
2:07:59
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
5:56/mi
2:12:25
↑ 17↓ 861.7%
156 ft elev
23M
6:03/mi
2:20:00
↑ 23↓ 630.6%
116 ft elev
24M
6:06/mi
2:26:06
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:11/mi
2:31:23
↓ 200.3%
20 ft elev
25.2M
6:43/mi
2:33:42
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
5:59/mi
2:39:48
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:19:526:06 /mi⚖️ balanced
2nd Half
1:19:566:06 /mi⚖️ balanced
Even split — consistent pacing between halves
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
19:006:073.11 mi19:00
6:07
-
10K
38:016:073.10 mi19:01
6:07
0:00
15K
57:006:073.11 mi18:59
6:07
0:00
20K
1:15:546:063.11 mi18:54
6:05
-0:02
Half(13.11 mi)
1:19:526:060.68 mi3:58
5:49
-0:16
25K
1:34:366:052.42 mi14:44
6:05
+0:16
30K
1:53:296:053.11 mi18:53
6:05
0:00
20M
2:01:466:051.36 mi8:17
6:06
+0:01
21M
2:07:596:061.00 mi6:13
6:13
+0:07
35K
2:12:256:050.75 mi4:26
5:56
-0:17
23M
2:20:006:051.25 mi7:35
6:03
+0:07
24M
2:26:066:051.00 mi6:06
6:06
+0:03
40K
2:31:236:050.85 mi5:17
6:11
+0:05
25.2M
2:33:426:060.35 mi2:19
6:43
+0:32
Finish(26.22 mi)
2:39:486:061.02 mi6:06
5:59
-0:44
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:49 /mi

Average Pace

6:06 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:37:29

99% of race

Time at Steady Pace

2:19

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:06 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi146313941394142213531353
10K3.10 mi1505-421431-371431-37153814611461
15K3.11 mi1459+461384+471384+47142213531353
20K3.11 mi1356+1031286+981286+98110410401040
Half(13.11 mi)0.68 mi1297+591228+581228+58621582582
25K2.42 mi1238+591171+571171+571008951951
30K3.11 mi1087+1511025+1461025+146638596596
20M1.36 mi1005+82946+79946+79538505505
21M1.00 mi921+84866+80866+80278260260
35K0.75 mi888+33834+32834+32577536536
23M1.25 mi838+50786+48786+48423397397
24M1.00 mi822+16770+16770+16762716716
40K0.85 mi801+21749+21749+21690645645
25.2M0.35 mi794+7742+7742+7773716716
Finish(26.22 mi)1.02 mi785+9733+9733+9868817817

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21story building
+97ft-345ft

Overall

1422

Males

1353

M50-54

1353

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1538

Males

1461

M50-54

1461

10K→15K

6.2 - 9.3 mi

Top 5%
×3story building
+67ft-78ft

Overall

1422

Males

1353

M50-54

1353

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1104

Males

1040

M50-54

1040

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

621

Males

582

M50-54

582

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1008

Males

951

M50-54

951

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

638

Males

596

M50-54

596

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

538

Males

505

M50-54

505

20M→21M

20.0 - 21.0 mi

Top 1.0%
×8story building
+106ft-24ft

Overall

278

Males

260

M50-54

260

21M→35K

21.0 - 21.8 mi

Top 2%
×7story building
+17ft-86ft

Overall

577

Males

536

M50-54

536

35K→23M

21.8 - 23.0 mi

Top 1%
×5story building
+23ft-63ft

Overall

423

Males

397

M50-54

397

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

762

Males

716

M50-54

716

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

690

Males

645

M50-54

645

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

773

Males

716

M50-54

716

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

868

Males

817

M50-54

817

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#1463
5K → 10K
9755-42
#1463 → #1505
10K → 15K
3177+46
#1505 → #1459
15K → 20K
14117+103
#1459 → #1356
20K → Half
059+59
#1356 → #1297
Half → 25K
1372+59
#1297 → #1238
25K → 30K
1152+151
#1238 → #1087
30K → 20M
082+82
#1087 → #1005
20M → 21M
084+84
#1005 → #921
21M → 35K
134+33
#921 → #888
35K → 23M
252+50
#888 → #838
23M → 24M
824+16
#838 → #822
24M → 40K
324+21
#822 → #801
40K → 25.2M
18+7
#801 → #794
25.2M → Finish
918+9
#794 → #785
TOTALS
180858+678
#1463 → #785

Passing Visualized

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