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BOSTON MARATHON 2025

Adrian Sanchez Serrano

Bib: 1022•M

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0:00
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Overall
#0 / 28404
Top 0.9%
Gender (Male)
#0 / 16105
Top 1%
Division (M18-39)
#0 / 5642
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:30
Rank: #334
Start → 5K
17:30 | 5:38/mi
10K· 6.21 mi
35:16
Rank: #395 (-61)
5K → 10K
17:46 | 5:43/mi
15K· 9.32 mi
53:12
Rank: #413 (-18)
10K → 15K
17:56 | 5:46/mi
20K· 12.43 mi
1:11:01
Rank: #394 (+19)
15K → 20K
17:49 | 5:44/mi
Half· 13.11 mi
1:14:55
Rank: #394
20K → Half
3:54 | 5:43/mi
25K· 15.53 mi
1:29:02
Rank: #400 (-6)
Half → 25K
14:07 | 5:49/mi
30K· 18.64 mi
1:47:25
Rank: #381 (+19)
25K → 30K
18:23 | 5:55/mi
20M
1:55:27
Rank: #364 (+17)
30K → 20M
8:02 | 5:55/mi
21M
2:01:37
Rank: #346 (+18)
20M → 21M
6:10 | 6:10/mi
35K· 21.75 mi
2:05:50
Rank: #338 (+8)
21M → 35K
4:13 | 5:38/mi
23M
2:13:04
Rank: #304 (+34)
35K → 23M
7:14 | 5:47/mi
24M
2:18:41
Rank: #282 (+22)
23M → 24M
5:37 | 5:37/mi
40K· 24.85 mi
2:23:33
Rank: #270 (+12)
24M → 40K
4:52 | 5:42/mi
25.2M
2:25:40
Rank: #264 (+6)
40K → 25.2M
2:07 | 6:08/mi
Finish· 26.22 mi
2:31:11
Rank: #246 (+18)
25.2M → Finish
5:31 | 5:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:55
Pace5:43 /mi
2nd Half
Distance13.11 mi
Time1:16:16
Pace5:49 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:3317:305:3817:30
5:38
-
10K
6.21 mi10:35:1935:165:4117:46
5:43
+0:05
15K
9.32 mi10:53:1553:125:4217:56
5:46
+0:03
20K
12.43 mi11:11:041:11:015:4317:49
5:44
-0:02
Half
13.11 mi11:14:581:14:555:433:54
5:43
-0:01
25K
15.53 mi11:29:051:29:025:4414:07
5:49
+0:06
30K
18.64 mi11:47:281:47:255:4618:23
5:55
+0:06
20M
20.00 mi11:55:301:55:275:468:02
5:55
0:00
21M
21.00 mi12:01:402:01:375:476:10
6:10
+0:15
35K
21.75 mi12:05:532:05:505:474:13
5:38
-0:32
23M
23.00 mi12:13:072:13:045:477:14
5:47
+0:09
24M
24.00 mi12:18:442:18:415:475:37
5:37
-0:10
40K
24.85 mi12:23:362:23:335:474:52
5:42
+0:05
25.2M
25.20 mi12:25:432:25:405:472:07
6:08
+0:26
Finish
26.22 mi12:31:142:31:115:465:31
5:25
-0:43

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

5:25 /mi

Average Pace

5:46 /mi

Slowest Pace

6:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:54

95% of race

Time at Steady Pace

8:17

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:46 /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 mi10:17:3317:305:3817:30
5:38
#334
10K
6.21 mi10:35:1935:165:4117:46
5:43
#395
15K
9.32 mi10:53:1553:125:4217:56
5:46
#413
20K
12.43 mi11:11:041:11:015:4317:49
5:44
#394
Half
13.11 mi11:14:581:14:555:433:54
5:43
#394
25K
15.53 mi11:29:051:29:025:4414:07
5:49
#400
30K
18.64 mi11:47:281:47:255:4618:23
5:55
#381
20M
20.00 mi11:55:301:55:275:468:02
5:55
#364
21M
21.00 mi12:01:402:01:375:476:10
6:10
#346
35K
21.75 mi12:05:532:05:505:474:13
5:38
#338
23M
23.00 mi12:13:072:13:045:477:14
5:47
#304
24M
24.00 mi12:18:442:18:415:475:37
5:37
#282
40K
24.85 mi12:23:362:23:335:474:52
5:42
#270
25.2M
25.20 mi12:25:432:25:405:472:07
6:08
#264
Finish
26.22 mi12:31:142:31:115:465:31
5:25
#246
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi334302302484(Top 2%)448(Top 3%)448(Top 8%)
10K6.21 mi3.10 mi395-61362-60362-60478(Top 2%)441(Top 3%)441(Top 8%)
15K9.32 mi3.11 mi413-18382-20382-20484(Top 2%)448(Top 3%)448(Top 8%)
20K12.43 mi3.11 mi394+19362+20362+20356(Top 1%)327(Top 2%)327(Top 6%)
Half13.11 mi0.68 mi394362362427(Top 2%)399(Top 2%)399(Top 7%)
25K15.53 mi2.42 mi400-6368-6368-6443(Top 2%)411(Top 3%)411(Top 7%)
30K18.64 mi3.11 mi381+19350+18350+18374(Top 1%)347(Top 2%)347(Top 6%)
20M20.00 mi1.36 mi364+17334+16334+16282(Top 1.0%)260(Top 2%)260(Top 5%)
21M21.00 mi1.00 mi346+18317+17317+17238(Top 0.8%)221(Top 1%)221(Top 4%)
35K21.75 mi0.75 mi338+8309+8309+8207(Top 0.7%)188(Top 1%)188(Top 3%)
23M23.00 mi1.25 mi304+34279+30279+30151(Top 0.5%)140(Top 0.9%)140(Top 2%)
24M24.00 mi1.00 mi282+22258+21258+21140(Top 0.5%)129(Top 0.8%)129(Top 2%)
40K24.85 mi0.85 mi270+12246+12246+12127(Top 0.4%)119(Top 0.7%)119(Top 2%)
25.2M25.20 mi0.35 mi264+6240+6240+6126(Top 0.4%)119(Top 0.7%)119(Top 2%)
Finish26.22 mi1.02 mi246+18223+17223+1799(Top 0.3%)94(Top 0.6%)94(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

484

Males

448

M18-39

448

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

478

Males

441

M18-39

441

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

484

Males

448

M18-39

448

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

356

Males

327

M18-39

327

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

427

Males

399

M18-39

399

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

443

Males

411

M18-39

411

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

374

Males

347

M18-39

347

30K→20M

18.6 - 20.0 mi

Top 1.0%
×5stories
+64ft-50ft

Overall

282

Males

260

M18-39

260

20M→21M

20.0 - 21.0 mi

Top 0.8%
×8stories
+106ft-24ft

Overall

238

Males

221

M18-39

221

21M→35K

21.0 - 21.8 mi

Top 0.7%
×7stories
+17ft-86ft

Overall

207

Males

188

M18-39

188

35K→23M

21.8 - 23.0 mi

Top 0.5%
×5stories
+23ft-63ft

Overall

151

Males

140

M18-39

140

23M→24M

23.0 - 24.0 mi

Top 0.5%
×6stories
+12ft-82ft

Overall

140

Males

129

M18-39

129

24M→40K

24.0 - 24.9 mi

Top 0.4%
×1story
+6ft-20ft

Overall

127

Males

119

M18-39

119

40K→25.2M

24.9 - 25.2 mi

Top 0.4%
×1story
+13ft-16ft

Overall

126

Males

119

M18-39

119

25.2M→Finish

25.2 - 26.2 mi

Top 0.3%
×2stories
+22ft-21ft

Overall

99

Males

94

M18-39

94

Passing Analysis

Category:
Athletes Passed
227
Passed By
139
Net Change
+88
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#334
5K → 10K667-61#334#395
10K → 15K1533-18#395#413
15K → 20K289+19#413#394
20K → Half330#394#394
Half → 25K1117-6#394#400
25K → 30K234+19#400#381
30K → 20M192+17#381#364
20M → 21M213+18#364#346
21M → 35K80+8#346#338
35K → 23M340+34#338#304
23M → 24M231+22#304#282
24M → 40K120+12#282#270
40K → 25.2M60+6#270#264
25.2M → Finish180+18#264#246
TOTALS227139+88
📊

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