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BOSTON MARATHON 2025

Gerardo Alvarez

Bib: 2348•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 6%
Gender (Male)
#0 / 16105
Top 10%
Division (M18-39)
#0 / 5642
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:40
Rank: #1111
Start → 5K
18:40 | 6:00/mi
10K· 6.21 mi
36:43
Rank: #835 (+276)
5K → 10K
18:03 | 5:49/mi
15K· 9.32 mi
54:48
Rank: #741 (+94)
10K → 15K
18:05 | 5:49/mi
20K· 12.43 mi
1:13:20
Rank: #741
15K → 20K
18:32 | 5:58/mi
Half· 13.11 mi
1:17:24
Rank: #751 (-10)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:32:02
Rank: #764 (-13)
Half → 25K
14:38 | 6:02/mi
30K· 18.64 mi
1:52:25
Rank: #904 (-140)
25K → 30K
20:23 | 6:34/mi
20M
2:02:16
Rank: #1084 (-180)
30K → 20M
9:51 | 7:15/mi
21M
2:09:47
Rank: #1213 (-129)
20M → 21M
7:31 | 7:31/mi
35K· 21.75 mi
2:14:46
Rank: #1237 (-24)
21M → 35K
4:59 | 6:40/mi
23M
2:23:50
Rank: #1357 (-120)
35K → 23M
9:04 | 7:14/mi
24M
2:30:49
Rank: #1441 (-84)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:37:07
Rank: #1541 (-100)
24M → 40K
6:18 | 7:22/mi
25.2M
2:39:53
Rank: #1595 (-54)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
2:47:19
Rank: #1765 (-170)
25.2M → Finish
7:26 | 7:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:24
Pace5:54 /mi
2nd Half
Distance13.11 mi
Time1:29:55
Pace6:52 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4018:406:0018:40
6:00
-
10K
6.21 mi10:37:4336:435:5518:03
5:49
-0:11
15K
9.32 mi10:55:4854:485:5318:05
5:49
0:00
20K
12.43 mi11:14:201:13:205:5418:32
5:58
+0:09
Half
13.11 mi11:18:241:17:245:544:04
5:58
0:00
25K
15.53 mi11:33:021:32:025:5514:38
6:02
+0:04
30K
18.64 mi11:53:251:52:256:0220:23
6:34
+0:32
20M
20.00 mi12:03:162:02:166:079:51
7:15
+0:41
21M
21.00 mi12:10:472:09:476:117:31
7:31
+0:16
35K
21.75 mi12:15:462:14:466:124:59
6:40
-0:51
23M
23.00 mi12:24:502:23:506:159:04
7:14
+0:34
24M
24.00 mi12:31:492:30:496:176:59
6:59
-0:15
40K
24.85 mi12:38:072:37:076:196:18
7:22
+0:23
25.2M
25.20 mi12:40:532:39:536:212:46
8:01
+0:39
Finish
26.22 mi12:48:192:47:196:237:26
7:18
-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

5:49 /mi

Average Pace

6:23 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:02

55% of race

Time at Steady Pace

32:21

19% of race

Time at Slower Pace

42:56

26% of race

Average Pace: 6:23 /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 mi10:19:4018:406:0018:40
6:00
#1111
10K
6.21 mi10:37:4336:435:5518:03
5:49
#835
15K
9.32 mi10:55:4854:485:5318:05
5:49
#741
20K
12.43 mi11:14:201:13:205:5418:32
5:58
#741
Half
13.11 mi11:18:241:17:245:544:04
5:58
#751
25K
15.53 mi11:33:021:32:025:5514:38
6:02
#764
30K
18.64 mi11:53:251:52:256:0220:23
6:34
#904
20M
20.00 mi12:03:162:02:166:079:51
7:15
#1084
21M
21.00 mi12:10:472:09:476:117:31
7:31
#1213
35K
21.75 mi12:15:462:14:466:124:59
6:40
#1237
23M
23.00 mi12:24:502:23:506:159:04
7:14
#1357
24M
24.00 mi12:31:492:30:496:176:59
6:59
#1441
40K
24.85 mi12:38:072:37:076:196:18
7:22
#1541
25.2M
25.20 mi12:40:532:39:536:212:46
8:01
#1595
Finish
26.22 mi12:48:192:47:196:237:26
7:18
#1765
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi111110521052563(Top 2%)525(Top 3%)525(Top 9%)
10K6.21 mi3.10 mi835+276782+270782+270631(Top 2%)589(Top 4%)589(Top 10%)
15K9.32 mi3.11 mi741+94692+90692+90563(Top 2%)525(Top 3%)525(Top 9%)
20K12.43 mi3.11 mi741692692787(Top 3%)738(Top 5%)738(Top 13%)
Half13.11 mi0.68 mi751-10702-10702-101049(Top 4%)996(Top 6%)996(Top 18%)
25K15.53 mi2.42 mi764-13716-14716-14903(Top 3%)850(Top 5%)850(Top 15%)
30K18.64 mi3.11 mi904-140850-134850-1342246(Top 8%)2125(Top 13%)2125(Top 38%)
20M20.00 mi1.36 mi1084-1801021-1711021-1715485(Top 19%)4835(Top 30%)4835(Top 86%)
21M21.00 mi1.00 mi1213-1291142-1211142-1214690(Top 17%)4147(Top 26%)4147(Top 74%)
35K21.75 mi0.75 mi1237-241166-241166-243293(Top 12%)3009(Top 19%)3009(Top 53%)
23M23.00 mi1.25 mi1357-1201280-1141280-1145114(Top 18%)4398(Top 27%)4398(Top 78%)
24M24.00 mi1.00 mi1441-841361-811361-814539(Top 16%)3932(Top 24%)3932(Top 70%)
40K24.85 mi0.85 mi1541-1001456-951456-956002(Top 21%)4848(Top 30%)4848(Top 86%)
25.2M25.20 mi0.35 mi1595-541510-541510-546018(Top 21%)4744(Top 29%)4744(Top 84%)
Finish26.22 mi1.02 mi1765-1701671-1611671-1617711(Top 27%)5740(Top 36%)5740(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

563

Males

525

M18-39

525

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

631

Males

589

M18-39

589

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

563

Males

525

M18-39

525

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

787

Males

738

M18-39

738

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1049

Males

996

M18-39

996

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

903

Males

850

M18-39

850

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2246

Males

2125

M18-39

2125

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5485

Males

4835

M18-39

4835

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4690

Males

4147

M18-39

4147

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3293

Males

3009

M18-39

3009

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5114

Males

4398

M18-39

4398

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4539

Males

3932

M18-39

3932

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6002

Males

4848

M18-39

4848

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6018

Males

4744

M18-39

4744

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7711

Males

5740

M18-39

5740

Passing Analysis

Category:
Athletes Passed
481
Passed By
1135
Net Change
-654
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1111
5K → 10K2760+276#1111#835
10K → 15K951+94#835#741
15K → 20K27270#741#741
20K → Half212-10#741#751
Half → 25K1932-13#751#764
25K → 30K9149-140#764#904
30K → 20M4184-180#904#1084
20M → 21M8137-129#1084#1213
21M → 35K832-24#1213#1237
35K → 23M13133-120#1237#1357
23M → 24M1094-84#1357#1441
24M → 40K5105-100#1441#1541
40K → 25.2M155-54#1541#1595
25.2M → Finish4174-170#1595#1765
TOTALS4811135-654
📊

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