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BOSTON MARATHON 2025

Julio Cesar Sarmiento

Bib: 13291•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 38%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 41%
Division (M50-54)
#0 / 1996
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:44
Rank: #10523
Start → 5K
22:44 | 7:19/mi
10K· 6.21 mi
45:09
Rank: #10041 (+482)
5K → 10K
22:25 | 7:13/mi
15K· 9.32 mi
1:07:26
Rank: #9621 (+420)
10K → 15K
22:17 | 7:10/mi
20K· 12.43 mi
1:30:08
Rank: #9435 (+186)
15K → 20K
22:42 | 7:18/mi
Half· 13.11 mi
1:35:07
Rank: #9447 (-12)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:53:09
Rank: #9433 (+14)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:18:53
Rank: #10150 (-717)
25K → 30K
25:44 | 8:17/mi
20M
2:31:05
Rank: #10726 (-576)
30K → 20M
12:12 | 8:59/mi
21M
2:40:52
Rank: #11151 (-425)
20M → 21M
9:47 | 9:47/mi
35K· 21.75 mi
2:46:52
Rank: #11172 (-21)
21M → 35K
6:00 | 8:01/mi
23M
2:57:07
Rank: #11135 (+37)
35K → 23M
10:15 | 8:11/mi
24M
3:04:54
Rank: #11027 (+108)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
3:11:50
Rank: #11003 (+24)
24M → 40K
6:56 | 8:07/mi
25.2M
3:14:52
Rank: #10971 (+32)
40K → 25.2M
3:02 | 8:48/mi
Finish· 26.22 mi
3:22:37
Rank: #10920 (+51)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:07
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:47:30
Pace8:12 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3622:447:1922:44
7:19
-
10K
6.21 mi11:15:0145:097:1622:25
7:13
-0:06
15K
9.32 mi11:37:181:07:267:1422:17
7:10
-0:03
20K
12.43 mi12:00:001:30:087:1522:42
7:18
+0:08
Half
13.11 mi12:04:591:35:077:154:59
7:18
0:00
25K
15.53 mi12:23:011:53:097:1718:02
7:26
+0:08
30K
18.64 mi12:48:452:18:537:2725:44
8:17
+0:51
20M
20.00 mi13:00:572:31:057:3312:12
8:59
+0:42
21M
21.00 mi13:10:442:40:527:409:47
9:47
+0:48
35K
21.75 mi13:16:442:46:527:406:00
8:01
-1:46
23M
23.00 mi13:26:592:57:077:4210:15
8:11
+0:10
24M
24.00 mi13:34:463:04:547:427:47
7:47
-0:24
40K
24.85 mi13:41:423:11:507:436:56
8:07
+0:20
25.2M
25.20 mi13:44:443:14:527:443:02
8:48
+0:41
Finish
26.22 mi13:52:293:22:377:447:45
7:36
-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

7:10 /mi

Average Pace

7:44 /mi

Slowest Pace

9:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:07

47% of race

Time at Steady Pace

46:30

23% of race

Time at Slower Pace

1:01:00

30% of race

Average Pace: 7:44 /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 mi10:52:3622:447:1922:44
7:19
#10523
10K
6.21 mi11:15:0145:097:1622:25
7:13
#10041
15K
9.32 mi11:37:181:07:267:1422:17
7:10
#9621
20K
12.43 mi12:00:001:30:087:1522:42
7:18
#9435
Half
13.11 mi12:04:591:35:077:154:59
7:18
#9447
25K
15.53 mi12:23:011:53:097:1718:02
7:26
#9433
30K
18.64 mi12:48:452:18:537:2725:44
8:17
#10150
20M
20.00 mi13:00:572:31:057:3312:12
8:59
#10726
21M
21.00 mi13:10:442:40:527:409:47
9:47
#11151
35K
21.75 mi13:16:442:46:527:406:00
8:01
#11172
23M
23.00 mi13:26:592:57:077:4210:15
8:11
#11135
24M
24.00 mi13:34:463:04:547:427:47
7:47
#11027
40K
24.85 mi13:41:423:11:507:436:56
8:07
#11003
25.2M
25.20 mi13:44:443:14:527:443:02
8:48
#10971
Finish
26.22 mi13:52:293:22:377:447:45
7:36
#10920
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10523845284528893(Top 31%)7492(Top 47%)7492(Top 375%)
10K6.21 mi3.10 mi10041+4828190+2628190+2629619(Top 34%)7944(Top 49%)7944(Top 398%)
15K9.32 mi3.11 mi9621+4207937+2537937+2538893(Top 31%)7492(Top 47%)7492(Top 375%)
20K12.43 mi3.11 mi9435+1867797+1407797+1409091(Top 32%)7506(Top 47%)7506(Top 376%)
Half13.11 mi0.68 mi9447-127799-27799-210012(Top 35%)8034(Top 50%)8034(Top 403%)
25K15.53 mi2.42 mi9433+147760+397760+399443(Top 33%)7578(Top 47%)7578(Top 380%)
30K18.64 mi3.11 mi10150-7178082-3228082-32213361(Top 47%)9288(Top 58%)9288(Top 465%)
20M20.00 mi1.36 mi10726-5768327-2458327-24516650(Top 59%)10651(Top 66%)10651(Top 534%)
21M21.00 mi1.00 mi11151-4258492-1658492-16517372(Top 61%)10856(Top 67%)10856(Top 544%)
35K21.75 mi0.75 mi11172-218484+88484+812352(Top 43%)8487(Top 53%)8487(Top 425%)
23M23.00 mi1.25 mi11135+378421+638421+6311267(Top 40%)7879(Top 49%)7879(Top 395%)
24M24.00 mi1.00 mi11027+1088328+938328+939671(Top 34%)7003(Top 43%)7003(Top 351%)
40K24.85 mi0.85 mi11003+248279+498279+4910914(Top 38%)7524(Top 47%)7524(Top 377%)
25.2M25.20 mi0.35 mi10971+328245+348245+3410556(Top 37%)7248(Top 45%)7248(Top 363%)
Finish26.22 mi1.02 mi10920+518192+538192+539952(Top 35%)6961(Top 43%)6961(Top 349%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8893

Males

7492

M50-54

7492

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9619

Males

7944

M50-54

7944

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8893

Males

7492

M50-54

7492

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9091

Males

7506

M50-54

7506

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

10012

Males

8034

M50-54

8034

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

9443

Males

7578

M50-54

7578

25K→30K

15.5 - 18.6 mi

Top 47%
×9stories
+181ft-148ft

Overall

13361

Males

9288

M50-54

9288

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16650

Males

10651

M50-54

10651

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17372

Males

10856

M50-54

10856

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12352

Males

8487

M50-54

8487

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11267

Males

7879

M50-54

7879

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9671

Males

7003

M50-54

7003

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10914

Males

7524

M50-54

7524

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

10556

Males

7248

M50-54

7248

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9952

Males

6961

M50-54

6961

Passing Analysis

Category:
Athletes Passed
2134*
Passed By
2529
Net Change
-397
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10523
5K → 10K56987+482#10523#10041
10K → 15K443*23+420#10041#9621
15K → 20K26781+186#9621#9435
20K → Half2537-12#9435#9447
Half → 25K157143+14#9447#9433
25K → 30K77792-717#9433#10150
30K → 20M30606-576#10150#10726
20M → 21M24449-425#10726#11151
21M → 35K4869-21#11151#11172
35K → 23M12487+37#11172#11135
23M → 24M14133+108#11135#11027
24M → 40K8763+24#11027#11003
40K → 25.2M5624+32#11003#10971
25.2M → Finish8635+51#10971#10920
TOTALS2134*2529-397

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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