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BOSTON MARATHON 2025

Luis Carlos Sanz Fernandez

Bib: 32239•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:20
Rank: #22917
Start → 5K
28:20 | 9:07/mi
10K· 6.21 mi
56:21
Rank: #22698 (+219)
5K → 10K
28:01 | 9:01/mi
15K· 9.32 mi
1:23:43
Rank: #22203 (+495)
10K → 15K
27:22 | 8:49/mi
20K· 12.43 mi
1:52:53
Rank: #22284 (-81)
15K → 20K
29:10 | 9:23/mi
Half· 13.11 mi
1:59:27
Rank: #22386 (-102)
20K → Half
6:34 | 9:37/mi
25K· 15.53 mi
2:25:14
Rank: #22948 (-562)
Half → 25K
25:47 | 10:38/mi
30K· 18.64 mi
2:59:46
Rank: #23226 (-278)
25K → 30K
34:32 | 11:07/mi
20M
3:14:45
Rank: #23249 (-23)
30K → 20M
14:59 | 11:02/mi
21M
3:27:55
Rank: #23434 (-185)
20M → 21M
13:10 | 13:10/mi
35K· 21.75 mi
3:36:24
Rank: #23501 (-67)
21M → 35K
8:29 | 11:20/mi
23M
3:53:13
Rank: #23850 (-349)
35K → 23M
16:49 | 13:26/mi
24M
4:03:54
Rank: #23821 (+29)
23M → 24M
10:41 | 10:41/mi
40K· 24.85 mi
4:13:32
Rank: #23809 (+12)
24M → 40K
9:38 | 11:16/mi
25.2M
4:17:46
Rank: #23818 (-9)
40K → 25.2M
4:14 | 12:17/mi
Finish· 26.22 mi
4:27:31
Rank: #23765 (+53)
25.2M → Finish
9:45 | 9:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:27
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:28:04
Pace11:18 /mi
📊Positive Split: 24.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4828:209:0728:20
9:07
-
10K
6.21 mi12:20:4956:219:0428:01
9:01
-0:06
15K
9.32 mi12:48:111:23:438:5927:22
8:49
-0:12
20K
12.43 mi13:17:211:52:539:0529:10
9:23
+0:34
Half
13.11 mi13:23:551:59:279:076:34
9:37
+0:14
25K
15.53 mi13:49:422:25:149:2125:47
10:38
+1:01
30K
18.64 mi14:24:142:59:469:3934:32
11:07
+0:29
20M
20.00 mi14:39:133:14:459:4414:59
11:02
-0:05
21M
21.00 mi14:52:233:27:559:5413:10
13:10
+2:08
35K
21.75 mi15:00:523:36:249:578:29
11:20
-1:50
23M
23.00 mi15:17:413:53:1310:0816:49
13:26
+2:06
24M
24.00 mi15:28:224:03:5410:1010:41
10:41
-2:45
40K
24.85 mi15:38:004:13:3210:129:38
11:16
+0:35
25.2M
25.20 mi15:42:144:17:4610:144:14
12:17
+1:01
Finish
26.22 mi15:51:594:27:3110:139:45
9:34
-2:43

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

8:49 /mi

Average Pace

10:13 /mi

Slowest Pace

13:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:12

48% of race

Time at Steady Pace

1:44:06

39% of race

Time at Slower Pace

34:13

13% of race

Average Pace: 10:12 /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 mi11:52:4828:209:0728:20
9:07
#22917
10K
6.21 mi12:20:4956:219:0428:01
9:01
#22698
15K
9.32 mi12:48:111:23:438:5927:22
8:49
#22203
20K
12.43 mi13:17:211:52:539:0529:10
9:23
#22284
Half
13.11 mi13:23:551:59:279:076:34
9:37
#22386
25K
15.53 mi13:49:422:25:149:2125:47
10:38
#22948
30K
18.64 mi14:24:142:59:469:3934:32
11:07
#23226
20M
20.00 mi14:39:133:14:459:4414:59
11:02
#23249
21M
21.00 mi14:52:233:27:559:5413:10
13:10
#23434
35K
21.75 mi15:00:523:36:249:578:29
11:20
#23501
23M
23.00 mi15:17:413:53:1310:0816:49
13:26
#23850
24M
24.00 mi15:28:224:03:5410:1010:41
10:41
#23821
40K
24.85 mi15:38:004:13:3210:129:38
11:16
#23809
25.2M
25.20 mi15:42:144:17:4610:144:14
12:17
#23818
Finish
26.22 mi15:51:594:27:3110:139:45
9:34
#23765
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi22917137291372921060(Top 74%)12967(Top 81%)12967(Top 787%)
10K6.21 mi3.10 mi22698+21913647+8213647+8222458(Top 79%)13559(Top 84%)13559(Top 823%)
15K9.32 mi3.11 mi22203+49513442+20513442+20521060(Top 74%)12967(Top 81%)12967(Top 787%)
20K12.43 mi3.11 mi22284-8113474-3213474-3222539(Top 79%)13598(Top 84%)13598(Top 825%)
Half13.11 mi0.68 mi22386-10213514-4013514-4023902(Top 84%)14192(Top 88%)14192(Top 861%)
25K15.53 mi2.42 mi22948-56213772-25813772-25824607(Top 87%)14466(Top 90%)14466(Top 878%)
30K18.64 mi3.11 mi23226-27813858-8613858-8624225(Top 85%)14178(Top 88%)14178(Top 860%)
20M20.00 mi1.36 mi23249-2313850+813850+823637(Top 83%)13817(Top 86%)13817(Top 838%)
21M21.00 mi1.00 mi23434-18513908-5813908-5825267(Top 89%)14497(Top 90%)14497(Top 880%)
35K21.75 mi0.75 mi23501-6713929-2113929-2124828(Top 87%)14272(Top 89%)14272(Top 866%)
23M23.00 mi1.25 mi23850-34914069-14014069-14026824(Top 94%)15245(Top 95%)15245(Top 925%)
24M24.00 mi1.00 mi23821+2914043+2614043+2623277(Top 82%)13448(Top 84%)13448(Top 816%)
40K24.85 mi0.85 mi23809+1214025+1814025+1823699(Top 83%)13611(Top 85%)13611(Top 826%)
25.2M25.20 mi0.35 mi23818-914022+314022+323747(Top 84%)13640(Top 85%)13640(Top 828%)
Finish26.22 mi1.02 mi23765+5313991+3113991+3121429(Top 75%)12503(Top 78%)12503(Top 759%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

21060

Males

12967

M55-59

12967

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

22458

Males

13559

M55-59

13559

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

21060

Males

12967

M55-59

12967

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

22539

Males

13598

M55-59

13598

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

23902

Males

14192

M55-59

14192

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

24607

Males

14466

M55-59

14466

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

24225

Males

14178

M55-59

14178

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23637

Males

13817

M55-59

13817

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25267

Males

14497

M55-59

14497

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

24828

Males

14272

M55-59

14272

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

26824

Males

15245

M55-59

15245

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

23277

Males

13448

M55-59

13448

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23699

Males

13611

M55-59

13611

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23747

Males

13640

M55-59

13640

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21429

Males

12503

M55-59

12503

Passing Analysis

Category:
Athletes Passed
1494
Passed By
2342
Net Change
-848
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22917
5K → 10K354135+219#22917#22698
10K → 15K52429+495#22698#22203
15K → 20K158239-81#22203#22284
20K → Half13115-102#22284#22386
Half → 25K38600-562#22386#22948
25K → 30K82360-278#22948#23226
30K → 20M7497-23#23226#23249
20M → 21M26211-185#23249#23434
21M → 35K2693-67#23434#23501
35K → 23M17366-349#23501#23850
23M → 24M4920+29#23850#23821
24M → 40K4937+12#23821#23809
40K → 25.2M1726-9#23809#23818
25.2M → Finish6714+53#23818#23765
TOTALS14942342-848
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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