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BOSTON MARATHON 2025

Marco Sanchez Breton

Bib: 8605•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M50-54)
#0 / 1996
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:55
Rank: #5724
Start → 5K
6:44/mi
20:55 split
10K· 6.21 mi
42:04
Rank: #6015 (-291)
5K → 10K
6:48/mi
21:09 split
15K· 9.32 mi
1:03:23
Rank: #6207 (-192)
10K → 15K
6:52/mi
21:19 split
20K· 12.43 mi
1:24:27
Rank: #5906 (+301)
15K → 20K
6:47/mi
21:04 split
Half· 13.11 mi
1:29:02
Rank: #5884 (+22)
20K → Half
6:43/mi
4:35 split
25K· 15.53 mi
1:45:39
Rank: #5721 (+163)
Half → 25K
6:51/mi
16:37 split
30K· 18.64 mi
2:08:46
Rank: #6020 (-299)
25K → 30K
7:26/mi
23:07 split
20M
2:18:51
Rank: #6014 (+6)
30K → 20M
7:25/mi
10:05 split
21M
2:26:51
Rank: #6042 (-28)
20M → 21M
8:00/mi
8:00 split
35K· 21.75 mi
2:32:36
Rank: #6127 (-85)
21M → 35K
7:41/mi
5:45 split
23M
2:42:23
Rank: #6176 (-49)
35K → 23M
7:49/mi
9:47 split
24M
2:50:18
Rank: #6288 (-112)
23M → 24M
7:55/mi
7:55 split
40K· 24.85 mi
2:58:00
Rank: #6576 (-288)
24M → 40K
9:00/mi
7:42 split
25.2M
3:01:42
Rank: #6828 (-252)
40K → 25.2M
10:44/mi
3:42 split
Finish· 26.22 mi
3:09:48
Rank: #7001 (-173)
25.2M → Finish
7:57/mi
8:06 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:02
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:40:46
Pace7:41 /mi
📊Positive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0320:556:4420:55
6:44
-
10K
6.21 mi11:07:1242:046:4621:09
6:48
+0:04
15K
9.32 mi11:28:311:03:236:4821:19
6:52
+0:04
20K
12.43 mi11:49:351:24:276:4821:04
6:47
-0:05
Half
13.11 mi11:54:101:29:026:474:35
6:43
-0:04
25K
15.53 mi12:10:471:45:396:4816:37
6:51
+0:08
30K
18.64 mi12:33:542:08:466:5423:07
7:26
+0:35
20M
20.00 mi12:43:592:18:516:5710:05
7:25
-0:01
21M
21.00 mi12:51:592:26:517:008:00
8:00
+0:35
35K
21.75 mi12:57:442:32:367:015:45
7:41
-0:19
23M
23.00 mi13:07:312:42:237:049:47
7:49
+0:08
24M
24.00 mi13:15:262:50:187:067:55
7:55
+0:06
40K
24.85 mi13:23:082:58:007:107:42
9:00
+1:05
25.2M
25.20 mi13:26:503:01:427:133:42
10:44
+1:44
Finish
26.22 mi13:34:563:09:487:158:06
7:57
-2:47

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

7:15 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:39

56% of race

Time at Steady Pace

1:04:45

34% of race

Time at Slower Pace

19:24

10% of race

Average Pace: 7:14 /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 mi10:46:0320:556:4420:55
6:44
#5724
10K
6.21 mi11:07:1242:046:4621:09
6:48
#6015
15K
9.32 mi11:28:311:03:236:4821:19
6:52
#6207
20K
12.43 mi11:49:351:24:276:4821:04
6:47
#5906
Half
13.11 mi11:54:101:29:026:474:35
6:43
#5884
25K
15.53 mi12:10:471:45:396:4816:37
6:51
#5721
30K
18.64 mi12:33:542:08:466:5423:07
7:26
#6020
20M
20.00 mi12:43:592:18:516:5710:05
7:25
#6014
21M
21.00 mi12:51:592:26:517:008:00
8:00
#6042
35K
21.75 mi12:57:442:32:367:015:45
7:41
#6127
23M
23.00 mi13:07:312:42:237:049:47
7:49
#6176
24M
24.00 mi13:15:262:50:187:067:55
7:55
#6288
40K
24.85 mi13:23:082:58:007:107:42
9:00
#6576
25.2M
25.20 mi13:26:503:01:427:133:42
10:44
#6828
Finish
26.22 mi13:34:563:09:487:158:06
7:57
#7001
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5724528652866674(Top 23%)6001(Top 37%)6001(Top 301%)
10K6.21 mi3.10 mi6015-2915522-2365522-2366451(Top 23%)5839(Top 36%)5839(Top 293%)
15K9.32 mi3.11 mi6207-1925677-1555677-1556674(Top 23%)6001(Top 37%)6001(Top 301%)
20K12.43 mi3.11 mi5906+3015410+2675410+2675112(Top 18%)4714(Top 29%)4714(Top 236%)
Half13.11 mi0.68 mi5884+225392+185392+185438(Top 19%)4993(Top 31%)4993(Top 250%)
25K15.53 mi2.42 mi5721+1635241+1515241+1515301(Top 19%)4848(Top 30%)4848(Top 243%)
30K18.64 mi3.11 mi6020-2995457-2165457-2167294(Top 26%)6147(Top 38%)6147(Top 308%)
20M20.00 mi1.36 mi6014+65428+295428+296484(Top 23%)5510(Top 34%)5510(Top 276%)
21M21.00 mi1.00 mi6042-285436-85436-87314(Top 26%)5849(Top 36%)5849(Top 293%)
35K21.75 mi0.75 mi6127-855498-625498-629889(Top 35%)7289(Top 45%)7289(Top 365%)
23M23.00 mi1.25 mi6176-495513-155513-158646(Top 30%)6512(Top 40%)6512(Top 326%)
24M24.00 mi1.00 mi6288-1125577-645577-6410615(Top 37%)7471(Top 46%)7471(Top 374%)
40K24.85 mi0.85 mi6576-2885751-1745751-17416280(Top 57%)10029(Top 62%)10029(Top 502%)
25.2M25.20 mi0.35 mi6828-2525913-1625913-16219741(Top 70%)11639(Top 72%)11639(Top 583%)
Finish26.22 mi1.02 mi7001-1735995-825995-8212491(Top 44%)8263(Top 51%)8263(Top 414%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6674

Males

6001

M50-54

6001

5K→10K

3.1 - 6.2 mi

Top 23%
×5story building
+79ft-138ft

Overall

6451

Males

5839

M50-54

5839

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6674

Males

6001

M50-54

6001

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

5112

Males

4714

M50-54

4714

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5438

Males

4993

M50-54

4993

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

5301

Males

4848

M50-54

4848

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

7294

Males

6147

M50-54

6147

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6484

Males

5510

M50-54

5510

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7314

Males

5849

M50-54

5849

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9889

Males

7289

M50-54

7289

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8646

Males

6512

M50-54

6512

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10615

Males

7471

M50-54

7471

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16280

Males

10029

M50-54

10029

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19741

Males

11639

M50-54

11639

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12491

Males

8263

M50-54

8263

Passing Analysis

Category:
Athletes Passed
1127
Passed By
2404
Net Change
-1277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5724
5K → 10K89380-291#5724#6015
10K → 15K87279-192#6015#6207
15K → 20K32120+301#6207#5906
20K → Half3917+22#5906#5884
Half → 25K19936+163#5884#5721
25K → 30K98397-299#5721#6020
30K → 20M7771+6#6020#6014
20M → 21M5987-28#6014#6042
21M → 35K20105-85#6042#6127
35K → 23M71120-49#6127#6176
23M → 24M27139-112#6176#6288
24M → 40K13301-288#6288#6576
40K → 25.2M4256-252#6576#6828
25.2M → Finish23196-173#6828#7001
TOTALS11272404-1277
📊

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