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BOSTON MARATHON 2025

David Alvarez

Bib: 6712•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 36%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:55
Rank: #8240
Start → 5K
21:55 | 7:03/mi
10K· 6.21 mi
43:27
Rank: #7794 (+446)
5K → 10K
21:32 | 6:56/mi
15K· 9.32 mi
1:05:14
Rank: #7746 (+48)
10K → 15K
21:47 | 7:01/mi
20K· 12.43 mi
1:28:19
Rank: #8226 (-480)
15K → 20K
23:05 | 7:26/mi
Half· 13.11 mi
1:33:08
Rank: #8192 (+34)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:50:33
Rank: #8043 (+149)
Half → 25K
17:25 | 7:11/mi
30K· 18.64 mi
2:13:38
Rank: #7814 (+229)
25K → 30K
23:05 | 7:26/mi
20M
2:23:36
Rank: #7609 (+205)
30K → 20M
9:58 | 7:20/mi
21M
2:31:34
Rank: #7506 (+103)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:36:54
Rank: #7409 (+97)
21M → 35K
5:20 | 7:08/mi
23M
2:46:05
Rank: #7245 (+164)
35K → 23M
9:11 | 7:20/mi
24M
2:53:19
Rank: #7146 (+99)
23M → 24M
7:14 | 7:14/mi
40K· 24.85 mi
2:59:21
Rank: #6980 (+166)
24M → 40K
6:02 | 7:03/mi
25.2M
3:02:03
Rank: #6924 (+56)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:08:40
Rank: #6677 (+247)
25.2M → Finish
6:37 | 6:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:08
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:35:32
Pace7:17 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:1121:557:0321:55
7:03
-
10K
6.21 mi11:09:4343:277:0021:32
6:56
-0:07
15K
9.32 mi11:31:301:05:147:0021:47
7:01
+0:05
20K
12.43 mi11:54:351:28:197:0623:05
7:26
+0:25
Half
13.11 mi11:59:241:33:087:064:49
7:04
-0:22
25K
15.53 mi12:16:491:50:337:0717:25
7:11
+0:07
30K
18.64 mi12:39:542:13:387:1023:05
7:26
+0:15
20M
20.00 mi12:49:522:23:367:119:58
7:20
-0:06
21M
21.00 mi12:57:502:31:347:137:58
7:58
+0:38
35K
21.75 mi13:03:102:36:547:135:20
7:08
-0:50
23M
23.00 mi13:12:212:46:057:139:11
7:20
+0:12
24M
24.00 mi13:19:352:53:197:137:14
7:14
-0:06
40K
24.85 mi13:25:372:59:217:136:02
7:03
-0:11
25.2M
25.20 mi13:28:193:02:037:132:42
7:50
+0:47
Finish
26.22 mi13:34:563:08:407:126:37
6:30
-1:20

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

6:30 /mi

Average Pace

7:12 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

28:09

15% of race

Time at Steady Pace

1:43:41

55% of race

Time at Slower Pace

56:50

30% of race

Average Pace: 7:12 /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 mi10:48:1121:557:0321:55
7:03
#8240
10K
6.21 mi11:09:4343:277:0021:32
6:56
#7794
15K
9.32 mi11:31:301:05:147:0021:47
7:01
#7746
20K
12.43 mi11:54:351:28:197:0623:05
7:26
#8226
Half
13.11 mi11:59:241:33:087:064:49
7:04
#8192
25K
15.53 mi12:16:491:50:337:0717:25
7:11
#8043
30K
18.64 mi12:39:542:13:387:1023:05
7:26
#7814
20M
20.00 mi12:49:522:23:367:119:58
7:20
#7609
21M
21.00 mi12:57:502:31:347:137:58
7:58
#7506
35K
21.75 mi13:03:102:36:547:135:20
7:08
#7409
23M
23.00 mi13:12:212:46:057:139:11
7:20
#7245
24M
24.00 mi13:19:352:53:197:137:14
7:14
#7146
40K
24.85 mi13:25:372:59:217:136:02
7:03
#6980
25.2M
25.20 mi13:28:193:02:037:132:42
7:50
#6924
Finish
26.22 mi13:34:563:08:407:126:37
6:30
#6677
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8240714671467692(Top 27%)6739(Top 42%)6739(Top 119%)
10K6.21 mi3.10 mi7794+4466849+2976849+2977469(Top 26%)6616(Top 41%)6616(Top 117%)
15K9.32 mi3.11 mi7746+486815+346815+347692(Top 27%)6739(Top 42%)6739(Top 119%)
20K12.43 mi3.11 mi8226-4807088-2737088-27310134(Top 36%)8078(Top 50%)8078(Top 143%)
Half13.11 mi0.68 mi8192+347065+237065+237960(Top 28%)6861(Top 43%)6861(Top 122%)
25K15.53 mi2.42 mi8043+1496955+1106955+1107472(Top 26%)6428(Top 40%)6428(Top 114%)
30K18.64 mi3.11 mi7814+2296761+1946761+1947229(Top 25%)6106(Top 38%)6106(Top 108%)
20M20.00 mi1.36 mi7609+2056595+1666595+1666006(Top 21%)5208(Top 32%)5208(Top 92%)
21M21.00 mi1.00 mi7506+1036489+1066489+1067153(Top 25%)5768(Top 36%)5768(Top 102%)
35K21.75 mi0.75 mi7409+976403+866403+866158(Top 22%)5180(Top 32%)5180(Top 92%)
23M23.00 mi1.25 mi7245+1646255+1486255+1485653(Top 20%)4778(Top 30%)4778(Top 85%)
24M24.00 mi1.00 mi7146+996161+946161+946023(Top 21%)4937(Top 31%)4937(Top 88%)
40K24.85 mi0.85 mi6980+1666027+1346027+1344233(Top 15%)3670(Top 23%)3670(Top 65%)
25.2M25.20 mi0.35 mi6924+565972+555972+555051(Top 18%)4168(Top 26%)4168(Top 74%)
Finish26.22 mi1.02 mi6677+2475778+1945778+1942814(Top 10%)2521(Top 16%)2521(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7692

Males

6739

M18-39

6739

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7469

Males

6616

M18-39

6616

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7692

Males

6739

M18-39

6739

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10134

Males

8078

M18-39

8078

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7960

Males

6861

M18-39

6861

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7472

Males

6428

M18-39

6428

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7229

Males

6106

M18-39

6106

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

6006

Males

5208

M18-39

5208

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

7153

Males

5768

M18-39

5768

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

6158

Males

5180

M18-39

5180

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5653

Males

4778

M18-39

4778

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

6023

Males

4937

M18-39

4937

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4233

Males

3670

M18-39

3670

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5051

Males

4168

M18-39

4168

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2814

Males

2521

M18-39

2521

Passing Analysis

Category:
Athletes Passed
2506
Passed By
943
Net Change
+1563
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8240
5K → 10K50357+446#8240#7794
10K → 15K158110+48#7794#7746
15K → 20K50530-480#7746#8226
20K → Half417+34#8226#8192
Half → 25K21061+149#8192#8043
25K → 30K30778+229#8043#7814
30K → 20M2127+205#7814#7609
20M → 21M13633+103#7609#7506
21M → 35K1058+97#7506#7409
35K → 23M17814+164#7409#7245
23M → 24M12526+99#7245#7146
24M → 40K1682+166#7146#6980
40K → 25.2M648+56#6980#6924
25.2M → Finish2492+247#6924#6677
TOTALS2506943+1563
📊

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