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BOSTON MARATHON 2025

Mauricio Sánchez Valderrama

Bib: 30712•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
8:38/mi
26:48
↑ 97↓ 3451.5%
10K· 6.21 mi
8:15/mi
52:26
↑ 79↓ 1380.4%
15K· 9.32 mi
8:04/mi
1:17:31
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:43:55
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:49:38
↑ 19↓ 370.5%
25K· 15.53 mi
8:46/mi
2:10:53
↑ 66↓ 880.2%
30K· 18.64 mi
9:01/mi
2:38:53
↑ 181↓ 1480.2%
20M
8:56/mi
2:51:02
↑ 64↓ 500.2%
21M
9:16/mi
3:00:18
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
3:06:53
↑ 17↓ 861.7%
23M
9:02/mi
3:18:12
↑ 23↓ 630.6%
24M
8:52/mi
3:27:04
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:34:45
↓ 200.3%
25.2M
9:46/mi
3:38:07
↑ 13↓ 160.2%
Finish· 26.22 mi
8:34/mi
3:46:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:38
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:57:13
Pace8:56 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3526:488:3826:48
8:38
-
10K
6.21 mi12:14:1352:268:2625:38
8:15
-0:23
15K
9.32 mi12:39:181:17:318:1925:05
8:04
-0:11
20K
12.43 mi13:05:421:43:558:2226:24
8:30
+0:26
Half
13.11 mi13:11:251:49:388:225:43
8:23
-0:07
25K
15.53 mi13:32:402:10:538:2621:15
8:46
+0:23
30K
18.64 mi14:00:402:38:538:3128:00
9:01
+0:15
20M
20.00 mi14:12:492:51:028:3312:09
8:56
-0:05
21M
21.00 mi14:22:053:00:188:359:16
9:16
+0:20
35K
21.75 mi14:28:403:06:538:366:35
8:48
-0:28
23M
23.00 mi14:39:593:18:128:3711:19
9:02
+0:14
24M
24.00 mi14:48:513:27:048:388:52
8:52
-0:10
40K
24.85 mi14:56:323:34:458:387:41
8:59
+0:07
25.2M
25.20 mi14:59:543:38:078:393:22
9:46
+0:47
Finish
26.22 mi15:08:383:46:518:408:44
8:34
-1:12

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

8:04 /mi

Average Pace

8:40 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:34

40% of race

Time at Steady Pace

1:23:20

37% of race

Time at Slower Pace

51:57

23% of race

Average Pace: 8:39 /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 mi11:48:3526:488:3826:48
8:38
#20594
10K
6.21 mi12:14:1352:268:2625:38
8:15
#19469
15K
9.32 mi12:39:181:17:318:1925:05
8:04
#18496
20K
12.43 mi13:05:421:43:558:2226:24
8:30
#18395
Half
13.11 mi13:11:251:49:388:225:43
8:23
#18389
25K
15.53 mi13:32:402:10:538:2621:15
8:46
#18441
30K
18.64 mi14:00:402:38:538:3128:00
9:01
#18282
20M
20.00 mi14:12:492:51:028:3312:09
8:56
#18109
21M
21.00 mi14:22:053:00:188:359:16
9:16
#17928
35K
21.75 mi14:28:403:06:538:366:35
8:48
#17874
23M
23.00 mi14:39:593:18:128:3711:19
9:02
#17762
24M
24.00 mi14:48:513:27:048:388:52
8:52
#17697
40K
24.85 mi14:56:323:34:458:387:41
8:59
#17638
25.2M
25.20 mi14:59:543:38:078:393:22
9:46
#17601
Finish
26.22 mi15:08:383:46:518:408:44
8:34
#17560
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi20594126771267716563(Top 58%)11037(Top 69%)11037(Top 491%)
10K6.21 mi3.10 mi19469+112512247+43012247+43018220(Top 64%)11733(Top 73%)11733(Top 522%)
15K9.32 mi3.11 mi18496+97311821+42611821+42616563(Top 58%)11037(Top 69%)11037(Top 491%)
20K12.43 mi3.11 mi18395+10111777+4411777+4418210(Top 64%)11701(Top 73%)11701(Top 521%)
Half13.11 mi0.68 mi18389+611776+111776+118432(Top 65%)11794(Top 73%)11794(Top 525%)
25K15.53 mi2.42 mi18441-5211786-1011786-1018735(Top 66%)11848(Top 74%)11848(Top 527%)
30K18.64 mi3.11 mi18282+15911677+10911677+10917753(Top 63%)11258(Top 70%)11258(Top 501%)
20M20.00 mi1.36 mi18109+17311578+9911578+9916467(Top 58%)10569(Top 66%)10569(Top 470%)
21M21.00 mi1.00 mi17928+18111485+9311485+9314958(Top 53%)9770(Top 61%)9770(Top 435%)
35K21.75 mi0.75 mi17874+5411449+3611449+3617230(Top 61%)10708(Top 66%)10708(Top 477%)
23M23.00 mi1.25 mi17762+11211346+10311346+10316469(Top 58%)10278(Top 64%)10278(Top 457%)
24M24.00 mi1.00 mi17697+6511286+6011286+6016658(Top 59%)10323(Top 64%)10323(Top 459%)
40K24.85 mi0.85 mi17638+5911238+4811238+4816208(Top 57%)10012(Top 62%)10012(Top 446%)
25.2M25.20 mi0.35 mi17601+3711205+3311205+3315886(Top 56%)9823(Top 61%)9823(Top 437%)
Finish26.22 mi1.02 mi17560+4111170+3511170+3516660(Top 59%)10234(Top 64%)10234(Top 455%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16563

Males

11037

M40-44

11037

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18220

Males

11733

M40-44

11733

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16563

Males

11037

M40-44

11037

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18210

Males

11701

M40-44

11701

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18432

Males

11794

M40-44

11794

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

18735

Males

11848

M40-44

11848

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

17753

Males

11258

M40-44

11258

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16467

Males

10569

M40-44

10569

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14958

Males

9770

M40-44

9770

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

17230

Males

10708

M40-44

10708

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16469

Males

10278

M40-44

10278

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16658

Males

10323

M40-44

10323

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16208

Males

10012

M40-44

10012

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15886

Males

9823

M40-44

9823

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16660

Males

10234

M40-44

10234

Passing Analysis

Category:
Athletes Passed
3874
Passed By
840
Net Change
+3034
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20594
5K → 10K115631+1125#20594#19469
10K → 15K9796+973#19469#18496
15K → 20K236135+101#18496#18395
20K → Half3731+6#18395#18389
Half → 25K158210-52#18389#18441
25K → 30K314155+159#18441#18282
30K → 20M21239+173#18282#18109
20M → 21M20221+181#18109#17928
21M → 35K8632+54#17928#17874
35K → 23M16250+112#17874#17762
23M → 24M11045+65#17762#17697
24M → 40K9031+59#17697#17638
40K → 25.2M5215+37#17638#17601
25.2M → Finish8039+41#17601#17560
TOTALS3874840+3034
📊

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