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BOSTON MARATHON 2025

Fernando Masia

Bib: 8231•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:13
Rank: #19521
Start → 5K
26:13 | 8:26/mi
10K· 6.21 mi
52:13
Rank: #19257 (+264)
5K → 10K
26:00 | 8:22/mi
15K· 9.32 mi
1:18:31
Rank: #19180 (+77)
10K → 15K
26:18 | 8:28/mi
20K· 12.43 mi
1:45:50
Rank: #19362 (-182)
15K → 20K
27:19 | 8:48/mi
Half· 13.11 mi
1:52:20
Rank: #19702 (-340)
20K → Half
6:30 | 9:32/mi
25K· 15.53 mi
2:15:57
Rank: #20368 (-666)
Half → 25K
23:37 | 9:44/mi
30K· 18.64 mi
2:47:55
Rank: #20911 (-543)
25K → 30K
31:58 | 10:17/mi
20M
3:03:05
Rank: #21261 (-350)
30K → 20M
15:10 | 11:10/mi
21M
3:15:07
Rank: #21505 (-244)
20M → 21M
12:02 | 12:02/mi
35K· 21.75 mi
3:23:15
Rank: #21632 (-127)
21M → 35K
8:08 | 10:52/mi
23M
3:36:52
Rank: #21716 (-84)
35K → 23M
13:37 | 10:53/mi
24M
3:46:53
Rank: #21708 (+8)
23M → 24M
10:01 | 10:01/mi
40K· 24.85 mi
3:57:19
Rank: #21898 (-190)
24M → 40K
10:26 | 12:12/mi
25.2M
4:02:09
Rank: #22003 (-105)
40K → 25.2M
4:50 | 14:01/mi
Finish· 26.22 mi
4:12:28
Rank: #22057 (-54)
25.2M → Finish
10:19 | 10:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:20
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time2:20:08
Pace10:41 /mi
📊Positive Split: 24.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:4226:138:2626:13
8:26
-
10K
6.21 mi11:01:4252:138:2426:00
8:22
-0:04
15K
9.32 mi11:28:001:18:318:2526:18
8:28
+0:06
20K
12.43 mi11:55:191:45:508:3127:19
8:48
+0:20
Half
13.11 mi12:01:491:52:208:346:30
9:32
+0:44
25K
15.53 mi12:25:262:15:578:4523:37
9:44
+0:12
30K
18.64 mi12:57:242:47:559:0031:58
10:17
+0:33
20M
20.00 mi13:12:343:03:059:0915:10
11:10
+0:53
21M
21.00 mi13:24:363:15:079:1712:02
12:02
+0:52
35K
21.75 mi13:32:443:23:159:218:08
10:52
-1:10
23M
23.00 mi13:46:213:36:529:2613:37
10:53
+0:01
24M
24.00 mi13:56:223:46:539:2710:01
10:01
-0:52
40K
24.85 mi14:06:483:57:199:3310:26
12:12
+2:11
25.2M
25.20 mi14:11:384:02:099:374:50
14:01
+1:49
Finish
26.22 mi14:21:574:12:289:3810:19
10:07
-3:54

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

8:22 /mi

Average Pace

9:38 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:50

42% of race

Time at Steady Pace

1:44:10

41% of race

Time at Slower Pace

42:28

17% of race

Average Pace: 9:38 /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 mi10:35:4226:138:2626:13
8:26
#19521
10K
6.21 mi11:01:4252:138:2426:00
8:22
#19257
15K
9.32 mi11:28:001:18:318:2526:18
8:28
#19180
20K
12.43 mi11:55:191:45:508:3127:19
8:48
#19362
Half
13.11 mi12:01:491:52:208:346:30
9:32
#19702
25K
15.53 mi12:25:262:15:578:4523:37
9:44
#20368
30K
18.64 mi12:57:242:47:559:0031:58
10:17
#20911
20M
20.00 mi13:12:343:03:059:0915:10
11:10
#21261
21M
21.00 mi13:24:363:15:079:1712:02
12:02
#21505
35K
21.75 mi13:32:443:23:159:218:08
10:52
#21632
23M
23.00 mi13:46:213:36:529:2613:37
10:53
#21716
24M
24.00 mi13:56:223:46:539:2710:01
10:01
#21708
40K
24.85 mi14:06:483:57:199:3310:26
12:12
#21898
25.2M
25.20 mi14:11:384:02:099:374:50
14:01
#22003
Finish
26.22 mi14:21:574:12:289:3810:19
10:07
#22057
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi19521122591225919128(Top 67%)12107(Top 75%)12107(Top 215%)
10K6.21 mi3.10 mi19257+26412159+10012159+10018991(Top 67%)12062(Top 75%)12062(Top 214%)
15K9.32 mi3.11 mi19180+7712125+3412125+3419128(Top 67%)12107(Top 75%)12107(Top 215%)
20K12.43 mi3.11 mi19362-18212194-6912194-6919897(Top 70%)12416(Top 77%)12416(Top 220%)
Half13.11 mi0.68 mi19702-34012339-14512339-14523617(Top 83%)14054(Top 87%)14054(Top 249%)
25K15.53 mi2.42 mi20368-66612616-27712616-27722596(Top 80%)13556(Top 84%)13556(Top 240%)
30K18.64 mi3.11 mi20911-54312815-19912815-19922412(Top 79%)13349(Top 83%)13349(Top 237%)
20M20.00 mi1.36 mi21261-35012950-13512950-13523899(Top 84%)13934(Top 87%)13934(Top 247%)
21M21.00 mi1.00 mi21505-24413051-10113051-10123643(Top 83%)13745(Top 85%)13745(Top 244%)
35K21.75 mi0.75 mi21632-12713103-5213103-5223938(Top 84%)13854(Top 86%)13854(Top 246%)
23M23.00 mi1.25 mi21716-8413101+213101+222937(Top 81%)13310(Top 83%)13310(Top 236%)
24M24.00 mi1.00 mi21708+813075+2613075+2621412(Top 75%)12546(Top 78%)12546(Top 222%)
40K24.85 mi0.85 mi21898-19013139-6413139-6425242(Top 89%)14388(Top 89%)14388(Top 255%)
25.2M25.20 mi0.35 mi22003-10513182-4313182-4326295(Top 93%)14886(Top 92%)14886(Top 264%)
Finish26.22 mi1.02 mi22057-5413188-613188-623290(Top 82%)13417(Top 83%)13417(Top 238%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

19128

Males

12107

M18-39

12107

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

18991

Males

12062

M18-39

12062

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

19128

Males

12107

M18-39

12107

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19897

Males

12416

M18-39

12416

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

23617

Males

14054

M18-39

14054

Half→25K

13.1 - 15.5 mi

Top 80%
×4stories
+66ft-88ft

Overall

22596

Males

13556

M18-39

13556

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

22412

Males

13349

M18-39

13349

30K→20M

18.6 - 20.0 mi

Top 84%
×5stories
+64ft-50ft

Overall

23899

Males

13934

M18-39

13934

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

23643

Males

13745

M18-39

13745

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23938

Males

13854

M18-39

13854

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

22937

Males

13310

M18-39

13310

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21412

Males

12546

M18-39

12546

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25242

Males

14388

M18-39

14388

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26295

Males

14886

M18-39

14886

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23290

Males

13417

M18-39

13417

Passing Analysis

Category:
Athletes Passed
1171
Passed By
3707
Net Change
-2536
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19521
5K → 10K421157+264#19521#19257
10K → 15K231154+77#19257#19180
15K → 20K142324-182#19180#19362
20K → Half2342-340#19362#19702
Half → 25K38704-666#19702#20368
25K → 30K88631-543#20368#20911
30K → 20M35385-350#20911#21261
20M → 21M24268-244#21261#21505
21M → 35K19146-127#21505#21632
35K → 23M65149-84#21632#21716
23M → 24M5648+8#21716#21708
24M → 40K13203-190#21708#21898
40K → 25.2M5110-105#21898#22003
25.2M → Finish3286-54#22003#22057
TOTALS11713707-2536
📊

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