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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
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2019:006:0719:00
6:07
-
10K
6.21 mi10:38:2138:016:0719:01
6:07
0:00
15K
9.32 mi10:57:2057:006:0718:59
6:07
0:00
20K
12.43 mi11:16:141:15:546:0618:54
6:05
-0:02
Half
13.11 mi11:20:121:19:526:063:58
5:49
-0:16
25K
15.53 mi11:34:561:34:366:0514:44
6:05
+0:16
30K
18.64 mi11:53:491:53:296:0518:53
6:05
0:00
20M
20.00 mi12:02:062:01:466:058:17
6:06
+0:01
21M
21.00 mi12:08:192:07:596:066:13
6:13
+0:07
35K
21.75 mi12:12:452:12:256:054:26
5:56
-0:17
23M
23.00 mi12:20:202:20:006:057:35
6:03
+0:07
24M
24.00 mi12:26:262:26:066:056:06
6:06
+0:03
40K
24.85 mi12:31:432:31:236:055:17
6:11
+0:05
25.2M
25.20 mi12:34:022:33:426:062:19
6:43
+0:32
Finish
26.22 mi12:40:082:39:486:066:06
5:59
-0:44

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

5:49 /mi

Average Pace

6:06 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

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

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 mi10:19:2019:006:0719:00
6:07
#1463
10K
6.21 mi10:38:2138:016:0719:01
6:07
#1505
15K
9.32 mi10:57:2057:006:0718:59
6:07
#1459
20K
12.43 mi11:16:141:15:546:0618:54
6:05
#1356
Half
13.11 mi11:20:121:19:526:063:58
5:49
#1297
25K
15.53 mi11:34:561:34:366:0514:44
6:05
#1238
30K
18.64 mi11:53:491:53:296:0518:53
6:05
#1087
20M
20.00 mi12:02:062:01:466:058:17
6:06
#1005
21M
21.00 mi12:08:192:07:596:066:13
6:13
#921
35K
21.75 mi12:12:452:12:256:054:26
5:56
#888
23M
23.00 mi12:20:202:20:006:057:35
6:03
#838
24M
24.00 mi12:26:262:26:066:056:06
6:06
#822
40K
24.85 mi12:31:432:31:236:055:17
6:11
#801
25.2M
25.20 mi12:34:022:33:426:062:19
6:43
#794
Finish
26.22 mi12:40:082:39:486:066:06
5:59
#785
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi146313941394142213531353
10K6.21 mi3.10 mi1505-421431-371431-37153814611461
15K9.32 mi3.11 mi1459+461384+471384+47142213531353
20K12.43 mi3.11 mi1356+1031286+981286+98110410401040
Half13.11 mi0.68 mi1297+591228+581228+58621582582
25K15.53 mi2.42 mi1238+591171+571171+571008951951
30K18.64 mi3.11 mi1087+1511025+1461025+146638596596
20M20.00 mi1.36 mi1005+82946+79946+79538505505
21M21.00 mi1.00 mi921+84866+80866+80278260260
35K21.75 mi0.75 mi888+33834+32834+32577536536
23M23.00 mi1.25 mi838+50786+48786+48423397397
24M24.00 mi1.00 mi822+16770+16770+16762716716
40K24.85 mi0.85 mi801+21749+21749+21690645645
25.2M25.20 mi0.35 mi794+7742+7742+7773716716
Finish26.22 mi1.02 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:
Athletes Passed
858
Passed By
180
Net Change
+678
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1463
5K → 10K5597-42#1463#1505
10K → 15K7731+46#1505#1459
15K → 20K11714+103#1459#1356
20K → Half590+59#1356#1297
Half → 25K7213+59#1297#1238
25K → 30K1521+151#1238#1087
30K → 20M820+82#1087#1005
20M → 21M840+84#1005#921
21M → 35K341+33#921#888
35K → 23M522+50#888#838
23M → 24M248+16#838#822
24M → 40K243+21#822#801
40K → 25.2M81+7#801#794
25.2M → Finish189+9#794#785
TOTALS858180+678

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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