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BOSTON MARATHON 2025

Juan Bosco Mendoza Velasco

Bib: 29526•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
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
10:09/mi
31:32
↑ 97↓ 3451.5%
10K· 6.21 mi
9:44/mi
1:01:45
↑ 79↓ 1380.4%
15K· 9.32 mi
9:36/mi
1:31:33
↑ 67↓ 78
20K· 12.43 mi
9:45/mi
2:01:51
↑ 106↓ 860.1%
Half· 13.11 mi
10:54/mi
2:09:17
↑ 19↓ 370.5%
25K· 15.53 mi
10:11/mi
2:33:59
↑ 66↓ 880.2%
30K· 18.64 mi
11:25/mi
3:09:27
↑ 181↓ 1480.2%
20M
11:16/mi
3:24:45
↑ 64↓ 500.2%
21M
14:14/mi
3:38:59
↑ 106↓ 241.6%
35K· 21.75 mi
10:46/mi
3:47:02
↑ 17↓ 861.7%
23M
11:16/mi
4:01:08
↑ 23↓ 630.6%
24M
9:10/mi
4:10:18
↓ 821.3%
40K· 24.85 mi
12:04/mi
4:20:37
↓ 200.3%
25.2M
13:17/mi
4:25:12
↑ 13↓ 160.2%
Finish· 26.22 mi
10:19/mi
4:35:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:17
Pace9:52 /mi
2nd Half
Distance13.11 mi
Time2:26:26
Pace11:10 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4131:3210:0931:32
10:09
-
10K
6.21 mi12:20:541:01:459:5630:13
9:44
-0:25
15K
9.32 mi12:50:421:31:339:4929:48
9:36
-0:08
20K
12.43 mi13:21:002:01:519:4830:18
9:45
+0:09
Half
13.11 mi13:28:262:09:179:527:26
10:54
+1:09
25K
15.53 mi13:53:082:33:599:5524:42
10:11
-0:43
30K
18.64 mi14:28:363:09:2710:1035:28
11:25
+1:14
20M
20.00 mi14:43:543:24:4510:1415:18
11:16
-0:09
21M
21.00 mi14:58:083:38:5910:2614:14
14:14
+2:58
35K
21.75 mi15:06:113:47:0210:268:03
10:46
-3:28
23M
23.00 mi15:20:174:01:0810:2914:06
11:16
+0:30
24M
24.00 mi15:29:274:10:1810:269:10
9:10
-2:06
40K
24.85 mi15:39:464:20:3710:2910:19
12:04
+2:54
25.2M
25.20 mi15:44:214:25:1210:314:35
13:17
+1:13
Finish
26.22 mi15:54:524:35:4310:3110:31
10:19
-2:58

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

9:10 /mi

Average Pace

10:31 /mi

Slowest Pace

14:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:29

36% of race

Time at Steady Pace

2:27:06

53% of race

Time at Slower Pace

29:08

11% of race

Average Pace: 10:31 /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 mi11:50:4131:3210:0931:32
10:09
#25946
10K
6.21 mi12:20:541:01:459:5630:13
9:44
#25277
15K
9.32 mi12:50:421:31:339:4929:48
9:36
#24864
20K
12.43 mi13:21:002:01:519:4830:18
9:45
#24552
Half
13.11 mi13:28:262:09:179:527:26
10:54
#24654
25K
15.53 mi13:53:082:33:599:5524:42
10:11
#24518
30K
18.64 mi14:28:363:09:2710:1035:28
11:25
#24581
20M
20.00 mi14:43:543:24:4510:1415:18
11:16
#24564
21M
21.00 mi14:58:083:38:5910:2614:14
14:14
#24728
35K
21.75 mi15:06:113:47:0210:268:03
10:46
#24707
23M
23.00 mi15:20:174:01:0810:2914:06
11:16
#24664
24M
24.00 mi15:29:274:10:1810:269:10
9:10
#24484
40K
24.85 mi15:39:464:20:3710:2910:19
12:04
#24513
25.2M
25.20 mi15:44:214:25:1210:314:35
13:17
#24530
Finish
26.22 mi15:54:524:35:4310:3110:31
10:19
#24506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi25946151511515123985(Top 84%)14265(Top 89%)14265(Top 635%)
10K6.21 mi3.10 mi25277+66914830+32114830+32124679(Top 87%)14555(Top 90%)14555(Top 648%)
15K9.32 mi3.11 mi24864+41314651+17914651+17923985(Top 84%)14265(Top 89%)14265(Top 635%)
20K12.43 mi3.11 mi24552+31214486+16514486+16523632(Top 83%)14072(Top 87%)14072(Top 626%)
Half13.11 mi0.68 mi24654-10214543-5714543-5726370(Top 93%)15259(Top 95%)15259(Top 679%)
25K15.53 mi2.42 mi24518+13614464+7914464+7923696(Top 83%)14049(Top 87%)14049(Top 625%)
30K18.64 mi3.11 mi24581-6314471-714471-724725(Top 87%)14410(Top 89%)14410(Top 641%)
20M20.00 mi1.36 mi24564+1714451+2014451+2024111(Top 85%)14039(Top 87%)14039(Top 625%)
21M21.00 mi1.00 mi24728-16414510-5914510-5926476(Top 93%)15110(Top 94%)15110(Top 672%)
35K21.75 mi0.75 mi24707+2114491+1914491+1923722(Top 84%)13759(Top 85%)13759(Top 612%)
23M23.00 mi1.25 mi24664+4314448+4314448+4323807(Top 84%)13741(Top 85%)13741(Top 612%)
24M24.00 mi1.00 mi24484+18014362+8614362+8618186(Top 64%)11018(Top 68%)11018(Top 490%)
40K24.85 mi0.85 mi24513-2914360+214360+225030(Top 88%)14279(Top 89%)14279(Top 635%)
25.2M25.20 mi0.35 mi24530-1714366-614366-625407(Top 89%)14451(Top 90%)14451(Top 643%)
Finish26.22 mi1.02 mi24506+2414341+2514341+2523841(Top 84%)13691(Top 85%)13691(Top 609%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23985

Males

14265

M40-44

14265

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

24679

Males

14555

M40-44

14555

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23985

Males

14265

M40-44

14265

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

23632

Males

14072

M40-44

14072

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

26370

Males

15259

M40-44

15259

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

23696

Males

14049

M40-44

14049

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24725

Males

14410

M40-44

14410

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24111

Males

14039

M40-44

14039

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

26476

Males

15110

M40-44

15110

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23722

Males

13759

M40-44

13759

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23807

Males

13741

M40-44

13741

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18186

Males

11018

M40-44

11018

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

25030

Males

14279

M40-44

14279

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25407

Males

14451

M40-44

14451

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23841

Males

13691

M40-44

13691

Passing Analysis

Category:
Athletes Passed
2170
Passed By
730
Net Change
+1440
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25946
5K → 10K68718+669#25946#25277
10K → 15K42310+413#25277#24864
15K → 20K32715+312#24864#24552
20K → Half8110-102#24552#24654
Half → 25K16933+136#24654#24518
25K → 30K110173-63#24518#24581
30K → 20M6043+17#24581#24564
20M → 21M24188-164#24564#24728
21M → 35K3716+21#24728#24707
35K → 23M6825+43#24707#24664
23M → 24M1800+180#24664#24484
24M → 40K2554-29#24484#24513
40K → 25.2M724-17#24513#24530
25.2M → Finish4521+24#24530#24506
TOTALS2170730+1440
📊

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