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BOSTON MARATHON 2025

Julio Cubillo Navarro

Bib: 31519•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
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
7:41/mi
23:51
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
47:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:12:21
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:37:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:42:40
↑ 19↓ 370.5%
25K· 15.53 mi
9:07/mi
2:04:47
↑ 66↓ 880.2%
30K· 18.64 mi
9:33/mi
2:34:26
↑ 181↓ 1480.2%
20M
9:23/mi
2:47:11
↑ 64↓ 500.2%
21M
11:25/mi
2:58:36
↑ 106↓ 241.6%
35K· 21.75 mi
8:47/mi
3:05:10
↑ 17↓ 861.7%
23M
10:03/mi
3:17:45
↑ 23↓ 630.6%
24M
8:56/mi
3:26:41
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:34:26
↓ 200.3%
25.2M
9:40/mi
3:37:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:37/mi
3:46:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:40
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time2:03:53
Pace9:27 /mi
📊Positive Split: 20.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3623:517:4123:51
7:41
-
10K
6.21 mi12:11:4247:577:4324:06
7:45
+0:04
15K
9.32 mi12:36:061:12:217:4624:24
7:51
+0:06
20K
12.43 mi13:01:031:37:187:5024:57
8:02
+0:11
Half
13.11 mi13:06:251:42:407:505:22
7:52
-0:10
25K
15.53 mi13:28:322:04:478:0222:07
9:07
+1:15
30K
18.64 mi13:58:112:34:268:1729:39
9:33
+0:26
20M
20.00 mi14:10:562:47:118:2212:45
9:23
-0:10
21M
21.00 mi14:22:212:58:368:3011:25
11:25
+2:02
35K
21.75 mi14:28:553:05:108:316:34
8:47
-2:38
23M
23.00 mi14:41:303:17:458:3612:35
10:03
+1:16
24M
24.00 mi14:50:263:26:418:378:56
8:56
-1:07
40K
24.85 mi14:58:113:34:268:387:45
9:04
+0:08
25.2M
25.20 mi15:01:313:37:468:383:20
9:40
+0:36
Finish
26.22 mi15:10:183:46:338:398:47
8:37
-1:03

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

7:41 /mi

Average Pace

8:39 /mi

Slowest Pace

11:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:40

45% of race

Time at Steady Pace

1:06:54

30% of race

Time at Slower Pace

56:59

25% of race

Average Pace: 8:38 /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 mi11:47:3623:517:4123:51
7:41
#13751
10K
6.21 mi12:11:4247:577:4324:06
7:45
#14042
15K
9.32 mi12:36:061:12:217:4624:24
7:51
#14308
20K
12.43 mi13:01:031:37:187:5024:57
8:02
#14484
Half
13.11 mi13:06:251:42:407:505:22
7:52
#14485
25K
15.53 mi13:28:322:04:478:0222:07
9:07
#15827
30K
18.64 mi13:58:112:34:268:1729:39
9:33
#16738
20M
20.00 mi14:10:562:47:118:2212:45
9:23
#16879
21M
21.00 mi14:22:212:58:368:3011:25
11:25
#17392
35K
21.75 mi14:28:553:05:108:316:34
8:47
#17363
23M
23.00 mi14:41:303:17:458:3612:35
10:03
#17646
24M
24.00 mi14:50:263:26:418:378:56
8:56
#17612
40K
24.85 mi14:58:113:34:268:387:45
9:04
#17561
25.2M
25.20 mi15:01:313:37:468:383:20
9:40
#17522
Finish
26.22 mi15:10:183:46:338:398:47
8:37
#17501
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi137519973997314844(Top 52%)10308(Top 64%)10308(Top 432%)
10K6.21 mi3.10 mi14042-29110037-6410037-6414397(Top 51%)10172(Top 63%)10172(Top 426%)
15K9.32 mi3.11 mi14308-26610125-8810125-8814844(Top 52%)10308(Top 64%)10308(Top 432%)
20K12.43 mi3.11 mi14484-17610162-3710162-3715147(Top 53%)10387(Top 64%)10387(Top 435%)
Half13.11 mi0.68 mi14485-110154+810154+814793(Top 52%)10268(Top 64%)10268(Top 430%)
25K15.53 mi2.42 mi15827-134210711-55710711-55720436(Top 72%)12604(Top 78%)12604(Top 528%)
30K18.64 mi3.11 mi16738-91111028-31711028-31720106(Top 71%)12337(Top 77%)12337(Top 517%)
20M20.00 mi1.36 mi16879-14111060-3211060-3218654(Top 66%)11520(Top 72%)11520(Top 483%)
21M21.00 mi1.00 mi17392-51311230-17011230-17022418(Top 79%)13157(Top 82%)13157(Top 551%)
35K21.75 mi0.75 mi17363+2911197+3311197+3317109(Top 60%)10657(Top 66%)10657(Top 447%)
23M23.00 mi1.25 mi17646-28311294-9711294-9720644(Top 73%)12213(Top 76%)12213(Top 512%)
24M24.00 mi1.00 mi17612+3411249+4511249+4517000(Top 60%)10457(Top 65%)10457(Top 438%)
40K24.85 mi0.85 mi17561+5111201+4811201+4816669(Top 59%)10221(Top 63%)10221(Top 428%)
25.2M25.20 mi0.35 mi17522+3911168+3311168+3315403(Top 54%)9598(Top 60%)9598(Top 402%)
Finish26.22 mi1.02 mi17501+2111138+3011138+3016945(Top 60%)10369(Top 64%)10369(Top 435%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14844

Males

10308

M45-49

10308

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

14397

Males

10172

M45-49

10172

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14844

Males

10308

M45-49

10308

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

15147

Males

10387

M45-49

10387

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14793

Males

10268

M45-49

10268

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

20436

Males

12604

M45-49

12604

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20106

Males

12337

M45-49

12337

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18654

Males

11520

M45-49

11520

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22418

Males

13157

M45-49

13157

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

17109

Males

10657

M45-49

10657

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

20644

Males

12213

M45-49

12213

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

17000

Males

10457

M45-49

10457

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16669

Males

10221

M45-49

10221

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15403

Males

9598

M45-49

9598

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

16945

Males

10369

M45-49

10369

Passing Analysis

Category:
Athletes Passed
1070
Passed By
4820
Net Change
-3750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13751
5K → 10K170461-291#13751#14042
10K → 15K118384-266#14042#14308
15K → 20K155331-176#14308#14484
20K → Half3839-1#14484#14485
Half → 25K181360-1342#14485#15827
25K → 30K58969-911#15827#16738
30K → 20M54195-141#16738#16879
20M → 21M30543-513#16879#17392
21M → 35K7546+29#17392#17363
35K → 23M52335-283#17363#17646
23M → 24M9864+34#17646#17612
24M → 40K8534+51#17612#17561
40K → 25.2M5011+39#17561#17522
25.2M → Finish6948+21#17522#17501
TOTALS10704820-3750
📊

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