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BOSTON MARATHON 2025

Marcelo Giglio

Bib: 9460•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M40-44)
#0 / 2247
Top 38%
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
6:46/mi
21:00
↑ 97↓ 3451.5%
10K· 6.21 mi
6:43/mi
41:52
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:02:50
↑ 67↓ 78
20K· 12.43 mi
6:47/mi
1:23:54
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:28:32
↑ 19↓ 370.5%
25K· 15.53 mi
6:57/mi
1:45:24
↑ 66↓ 880.2%
30K· 18.64 mi
7:13/mi
2:07:48
↑ 181↓ 1480.2%
20M
7:18/mi
2:17:43
↑ 64↓ 500.2%
21M
7:51/mi
2:25:34
↑ 106↓ 241.6%
35K· 21.75 mi
7:09/mi
2:30:55
↑ 17↓ 861.7%
23M
7:10/mi
2:39:53
↑ 23↓ 630.6%
24M
6:52/mi
2:46:45
↓ 821.3%
40K· 24.85 mi
6:58/mi
2:52:42
↓ 200.3%
25.2M
7:50/mi
2:55:24
↑ 13↓ 160.2%
Finish· 26.22 mi
6:59/mi
3:02:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:32
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:33:59
Pace7:10 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0821:006:4621:00
6:46
-
10K
6.21 mi11:07:0041:526:4420:52
6:43
-0:03
15K
9.32 mi11:27:581:02:506:4420:58
6:45
+0:02
20K
12.43 mi11:49:021:23:546:4521:04
6:47
+0:02
Half
13.11 mi11:53:401:28:326:454:38
6:47
0:00
25K
15.53 mi12:10:321:45:246:4716:52
6:57
+0:10
30K
18.64 mi12:32:562:07:486:5122:24
7:13
+0:16
20M
20.00 mi12:42:512:17:436:539:55
7:18
+0:05
21M
21.00 mi12:50:422:25:346:567:51
7:51
+0:33
35K
21.75 mi12:56:032:30:556:565:21
7:09
-0:42
23M
23.00 mi13:05:012:39:536:578:58
7:10
+0:01
24M
24.00 mi13:11:532:46:456:576:52
6:52
-0:18
40K
24.85 mi13:17:502:52:426:575:57
6:58
+0:06
25.2M
25.20 mi13:20:322:55:246:582:42
7:50
+0:52
Finish
26.22 mi13:27:393:02:316:587:07
6:59
-0:51

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

6:43 /mi

Average Pace

6:58 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:58

94% of race

Time at Steady Pace

10:33

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:58 /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 mi10:46:0821:006:4621:00
6:46
#5978
10K
6.21 mi11:07:0041:526:4420:52
6:43
#5725
15K
9.32 mi11:27:581:02:506:4420:58
6:45
#5629
20K
12.43 mi11:49:021:23:546:4521:04
6:47
#5487
Half
13.11 mi11:53:401:28:326:454:38
6:47
#5512
25K
15.53 mi12:10:321:45:246:4716:52
6:57
#5576
30K
18.64 mi12:32:562:07:486:5122:24
7:13
#5632
20M
20.00 mi12:42:512:17:436:539:55
7:18
#5633
21M
21.00 mi12:50:422:25:346:567:51
7:51
#5645
35K
21.75 mi12:56:032:30:556:565:21
7:09
#5642
23M
23.00 mi13:05:012:39:536:578:58
7:10
#5508
24M
24.00 mi13:11:532:46:456:576:52
6:52
#5392
40K
24.85 mi13:17:502:52:426:575:57
6:58
#5281
25.2M
25.20 mi13:20:322:55:246:582:42
7:50
#5253
Finish
26.22 mi13:27:393:02:316:587:07
6:59
#5219
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5978549754975549(Top 20%)5081(Top 32%)5081(Top 226%)
10K6.21 mi3.10 mi5725+2535283+2145283+2145481(Top 19%)5056(Top 31%)5056(Top 225%)
15K9.32 mi3.11 mi5629+965189+945189+945549(Top 20%)5081(Top 32%)5081(Top 226%)
20K12.43 mi3.11 mi5487+1425060+1295060+1295105(Top 18%)4707(Top 29%)4707(Top 209%)
Half13.11 mi0.68 mi5512-255075-155075-156004(Top 21%)5425(Top 34%)5425(Top 241%)
25K15.53 mi2.42 mi5576-645123-485123-486012(Top 21%)5403(Top 34%)5403(Top 240%)
30K18.64 mi3.11 mi5632-565146-235146-235953(Top 21%)5272(Top 33%)5272(Top 235%)
20M20.00 mi1.36 mi5633-15140+65140+65747(Top 20%)5008(Top 31%)5008(Top 223%)
21M21.00 mi1.00 mi5645-125138+25138+26450(Top 23%)5345(Top 33%)5345(Top 238%)
35K21.75 mi0.75 mi5642+35130+85130+86240(Top 22%)5213(Top 32%)5213(Top 232%)
23M23.00 mi1.25 mi5508+1345000+1305000+1304646(Top 16%)4061(Top 25%)4061(Top 181%)
24M24.00 mi1.00 mi5392+1164899+1014899+1013899(Top 14%)3452(Top 21%)3452(Top 154%)
40K24.85 mi0.85 mi5281+1114798+1014798+1013659(Top 13%)3229(Top 20%)3229(Top 144%)
25.2M25.20 mi0.35 mi5253+284768+304768+304968(Top 17%)4085(Top 25%)4085(Top 182%)
Finish26.22 mi1.02 mi5219+344731+374731+375602(Top 20%)4473(Top 28%)4473(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5549

Males

5081

M40-44

5081

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5481

Males

5056

M40-44

5056

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5549

Males

5081

M40-44

5081

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

5105

Males

4707

M40-44

4707

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

6004

Males

5425

M40-44

5425

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

6012

Males

5403

M40-44

5403

25K→30K

15.5 - 18.6 mi

Top 21%
×9story building
+181ft-148ft

Overall

5953

Males

5272

M40-44

5272

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5747

Males

5008

M40-44

5008

20M→21M

20.0 - 21.0 mi

Top 23%
×8story building
+106ft-24ft

Overall

6450

Males

5345

M40-44

5345

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6240

Males

5213

M40-44

5213

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4646

Males

4061

M40-44

4061

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3899

Males

3452

M40-44

3452

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3659

Males

3229

M40-44

3229

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4968

Males

4085

M40-44

4085

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5602

Males

4473

M40-44

4473

Passing Analysis

Category:
Athletes Passed
1640
Passed By
881
Net Change
+759
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5978
5K → 10K33279+253#5978#5725
10K → 15K17276+96#5725#5629
15K → 20K19553+142#5629#5487
20K → Half2146-25#5487#5512
Half → 25K99163-64#5512#5576
25K → 30K165221-56#5576#5632
30K → 20M7273-1#5632#5633
20M → 21M6274-12#5633#5645
21M → 35K3633+3#5645#5642
35K → 23M15319+134#5642#5508
23M → 24M1215+116#5508#5392
24M → 40K1154+111#5392#5281
40K → 25.2M346+28#5281#5253
25.2M → Finish6329+34#5253#5219
TOTALS1640881+759
📊

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