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BOSTON MARATHON 2025

Christopher Sarmiento

Bib: 12268•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 36%
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
7:17/mi
22:37
↑ 97↓ 3451.5%
10K· 6.21 mi
7:11/mi
44:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:09/mi
1:07:10
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:29:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:34:43
↑ 19↓ 370.5%
25K· 15.53 mi
7:19/mi
1:52:27
↑ 66↓ 880.2%
30K· 18.64 mi
8:01/mi
2:17:20
↑ 181↓ 1480.2%
20M
7:58/mi
2:28:10
↑ 64↓ 500.2%
21M
8:44/mi
2:36:54
↑ 106↓ 241.6%
35K· 21.75 mi
7:21/mi
2:42:24
↑ 17↓ 861.7%
23M
8:02/mi
2:52:27
↑ 23↓ 630.6%
24M
7:55/mi
3:00:22
↓ 821.3%
40K· 24.85 mi
8:16/mi
3:07:26
↓ 200.3%
25.2M
9:23/mi
3:10:40
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:18:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:43
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:43:57
Pace7:56 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1022:377:1722:37
7:17
-
10K
6.21 mi11:18:3044:577:1422:20
7:11
-0:06
15K
9.32 mi11:40:431:07:107:1222:13
7:09
-0:02
20K
12.43 mi12:03:191:29:467:1322:36
7:16
+0:07
Half
13.11 mi12:08:161:34:437:134:57
7:15
-0:01
25K
15.53 mi12:26:001:52:277:1417:44
7:19
+0:04
30K
18.64 mi12:50:532:17:207:2224:53
8:01
+0:42
20M
20.00 mi13:01:432:28:107:2410:50
7:58
-0:03
21M
21.00 mi13:10:272:36:547:288:44
8:44
+0:46
35K
21.75 mi13:15:572:42:247:285:30
7:21
-1:23
23M
23.00 mi13:26:002:52:277:3010:03
8:02
+0:41
24M
24.00 mi13:33:553:00:227:317:55
7:55
-0:07
40K
24.85 mi13:40:593:07:267:327:04
8:16
+0:21
25.2M
25.20 mi13:44:133:10:407:343:14
9:23
+1:07
Finish
26.22 mi13:52:133:18:407:358:00
7:51
-1:32

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

7:09 /mi

Average Pace

7:35 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:57

59% of race

Time at Steady Pace

1:01:41

31% of race

Time at Slower Pace

19:02

10% of race

Average Pace: 7:35 /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 mi10:56:1022:377:1722:37
7:17
#10142
10K
6.21 mi11:18:3044:577:1422:20
7:11
#9745
15K
9.32 mi11:40:431:07:107:1222:13
7:09
#9381
20K
12.43 mi12:03:191:29:467:1322:36
7:16
#9188
Half
13.11 mi12:08:161:34:437:134:57
7:15
#9210
25K
15.53 mi12:26:001:52:277:1417:44
7:19
#9017
30K
18.64 mi12:50:532:17:207:2224:53
8:01
#9418
20M
20.00 mi13:01:432:28:107:2410:50
7:58
#9456
21M
21.00 mi13:10:272:36:547:288:44
8:44
#9566
35K
21.75 mi13:15:572:42:247:285:30
7:21
#9467
23M
23.00 mi13:26:002:52:277:3010:03
8:02
#9480
24M
24.00 mi13:33:553:00:227:317:55
7:55
#9500
40K
24.85 mi13:40:593:07:267:327:04
8:16
#9587
25.2M
25.20 mi13:44:133:10:407:343:14
9:23
#9652
Finish
26.22 mi13:52:133:18:407:358:00
7:51
#9730
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10142824982498708(Top 31%)7379(Top 46%)7379(Top 309%)
10K6.21 mi3.10 mi9745+3978026+2238026+2239380(Top 33%)7810(Top 48%)7810(Top 327%)
15K9.32 mi3.11 mi9381+3647806+2207806+2208708(Top 31%)7379(Top 46%)7379(Top 309%)
20K12.43 mi3.11 mi9188+1937667+1397667+1398824(Top 31%)7351(Top 46%)7351(Top 308%)
Half13.11 mi0.68 mi9210-227674-77674-79554(Top 34%)7789(Top 48%)7789(Top 326%)
25K15.53 mi2.42 mi9017+1937539+1357539+1358465(Top 30%)7045(Top 44%)7045(Top 295%)
30K18.64 mi3.11 mi9418-4017702-1637702-16311430(Top 40%)8404(Top 52%)8404(Top 352%)
20M20.00 mi1.36 mi9456-387678+247678+2410230(Top 36%)7648(Top 47%)7648(Top 321%)
21M21.00 mi1.00 mi9566-1107715-377715-3711848(Top 42%)8296(Top 52%)8296(Top 348%)
35K21.75 mi0.75 mi9467+997643+727643+727566(Top 27%)6043(Top 38%)6043(Top 253%)
23M23.00 mi1.25 mi9480-137611+327611+3210199(Top 36%)7332(Top 46%)7332(Top 307%)
24M24.00 mi1.00 mi9500-207578+337578+3310633(Top 37%)7489(Top 47%)7489(Top 314%)
40K24.85 mi0.85 mi9587-877586-87586-811921(Top 42%)8002(Top 50%)8002(Top 335%)
25.2M25.20 mi0.35 mi9652-657605-197605-1913793(Top 49%)8827(Top 55%)8827(Top 370%)
Finish26.22 mi1.02 mi9730-787600+57600+511780(Top 41%)7918(Top 49%)7918(Top 332%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8708

Males

7379

M45-49

7379

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

9380

Males

7810

M45-49

7810

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8708

Males

7379

M45-49

7379

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8824

Males

7351

M45-49

7351

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

9554

Males

7789

M45-49

7789

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8465

Males

7045

M45-49

7045

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11430

Males

8404

M45-49

8404

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10230

Males

7648

M45-49

7648

20M→21M

20.0 - 21.0 mi

Top 42%
×8story building
+106ft-24ft

Overall

11848

Males

8296

M45-49

8296

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7566

Males

6043

M45-49

6043

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

10199

Males

7332

M45-49

7332

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10633

Males

7489

M45-49

7489

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11921

Males

8002

M45-49

8002

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13793

Males

8827

M45-49

8827

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11780

Males

7918

M45-49

7918

Passing Analysis

Category:
Athletes Passed
2107
Passed By
1695
Net Change
+412
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10142
5K → 10K48790+397#10142#9745
10K → 15K38925+364#9745#9381
15K → 20K27380+193#9381#9188
20K → Half2547-22#9188#9210
Half → 25K24956+193#9210#9017
25K → 30K117518-401#9017#9418
30K → 20M95133-38#9418#9456
20M → 21M55165-110#9456#9566
21M → 35K11314+99#9566#9467
35K → 23M106119-13#9467#9480
23M → 24M7999-20#9480#9500
24M → 40K48135-87#9500#9587
40K → 25.2M2085-65#9587#9652
25.2M → Finish51129-78#9652#9730
TOTALS21071695+412
📊

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