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BOSTON MARATHON 2025

Alex Lira

Bib: 1782•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 26%
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
19:15
Rank: #1844
Start → 5K
19:15 | 6:12/mi
10K· 6.21 mi
38:35
Rank: #1924 (-80)
5K → 10K
19:20 | 6:13/mi
15K· 9.32 mi
57:59
Rank: #1945 (-21)
10K → 15K
19:24 | 6:15/mi
20K· 12.43 mi
1:18:09
Rank: #2198 (-253)
15K → 20K
20:10 | 6:29/mi
Half· 13.11 mi
1:22:28
Rank: #2218 (-20)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:39:30
Rank: #2778 (-560)
Half → 25K
17:02 | 7:02/mi
30K· 18.64 mi
2:02:18
Rank: #3395 (-617)
25K → 30K
22:48 | 7:20/mi
20M
2:12:25
Rank: #3601 (-206)
30K → 20M
10:07 | 7:27/mi
21M
2:20:33
Rank: #3803 (-202)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:25:44
Rank: #3830 (-27)
21M → 35K
5:11 | 6:56/mi
23M
2:35:43
Rank: #4162 (-332)
35K → 23M
9:59 | 7:58/mi
24M
2:43:14
Rank: #4318 (-156)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
2:49:57
Rank: #4518 (-200)
24M → 40K
6:43 | 7:51/mi
25.2M
2:52:45
Rank: #4563 (-45)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:59:49
Rank: #4630 (-67)
25.2M → Finish
7:04 | 6:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:28
Pace6:17 /mi
2nd Half
Distance13.11 mi
Time1:37:21
Pace7:26 /mi
📊Positive Split: 18.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5319:156:1219:15
6:12
-
10K
6.21 mi10:39:1338:356:1319:20
6:13
+0:01
15K
9.32 mi10:58:3757:596:1319:24
6:15
+0:02
20K
12.43 mi11:18:471:18:096:1720:10
6:29
+0:14
Half
13.11 mi11:23:061:22:286:174:19
6:20
-0:09
25K
15.53 mi11:40:081:39:306:2417:02
7:02
+0:42
30K
18.64 mi12:02:562:02:186:3422:48
7:20
+0:18
20M
20.00 mi12:13:032:12:256:3710:07
7:27
+0:07
21M
21.00 mi12:21:112:20:336:428:08
8:08
+0:41
35K
21.75 mi12:26:222:25:446:425:11
6:56
-1:12
23M
23.00 mi12:36:212:35:436:469:59
7:58
+1:02
24M
24.00 mi12:43:522:43:146:487:31
7:31
-0:27
40K
24.85 mi12:50:352:49:576:506:43
7:51
+0:20
25.2M
25.20 mi12:53:232:52:456:512:48
8:07
+0:16
Finish
26.22 mi13:00:272:59:496:527:04
6:56
-1:11

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

6:12 /mi

Average Pace

6:52 /mi

Slowest Pace

8:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:28

46% of race

Time at Steady Pace

52:05

29% of race

Time at Slower Pace

45:16

25% of race

Average Pace: 6:51 /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 mi10:19:5319:156:1219:15
6:12
#1844
10K
6.21 mi10:39:1338:356:1319:20
6:13
#1924
15K
9.32 mi10:58:3757:596:1319:24
6:15
#1945
20K
12.43 mi11:18:471:18:096:1720:10
6:29
#2198
Half
13.11 mi11:23:061:22:286:174:19
6:20
#2218
25K
15.53 mi11:40:081:39:306:2417:02
7:02
#2778
30K
18.64 mi12:02:562:02:186:3422:48
7:20
#3395
20M
20.00 mi12:13:032:12:256:3710:07
7:27
#3601
21M
21.00 mi12:21:112:20:336:428:08
8:08
#3803
35K
21.75 mi12:26:222:25:446:425:11
6:56
#3830
23M
23.00 mi12:36:212:35:436:469:59
7:58
#4162
24M
24.00 mi12:43:522:43:146:487:31
7:31
#4318
40K
24.85 mi12:50:352:49:576:506:43
7:51
#4518
25.2M
25.20 mi12:53:232:52:456:512:48
8:07
#4563
Finish
26.22 mi13:00:272:59:496:527:04
6:56
#4630
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1844175217522069(Top 7%)1973(Top 12%)1973(Top 35%)
10K6.21 mi3.10 mi1924-801832-801832-802019(Top 7%)1923(Top 12%)1923(Top 34%)
15K9.32 mi3.11 mi1945-211850-181850-182069(Top 7%)1973(Top 12%)1973(Top 35%)
20K12.43 mi3.11 mi2198-2532099-2492099-2493072(Top 11%)2918(Top 18%)2918(Top 52%)
Half13.11 mi0.68 mi2218-202118-192118-192661(Top 9%)2544(Top 16%)2544(Top 45%)
25K15.53 mi2.42 mi2778-5602649-5312649-5316455(Top 23%)5730(Top 36%)5730(Top 102%)
30K18.64 mi3.11 mi3395-6173212-5633212-5636664(Top 23%)5754(Top 36%)5754(Top 102%)
20M20.00 mi1.36 mi3601-2063398-1863398-1866619(Top 23%)5579(Top 35%)5579(Top 99%)
21M21.00 mi1.00 mi3803-2023572-1743572-1748110(Top 29%)6303(Top 39%)6303(Top 112%)
35K21.75 mi0.75 mi3830-273592-203592-204877(Top 17%)4289(Top 27%)4289(Top 76%)
23M23.00 mi1.25 mi4162-3323867-2753867-2759801(Top 35%)7119(Top 44%)7119(Top 126%)
24M24.00 mi1.00 mi4318-1563988-1213988-1217761(Top 27%)5955(Top 37%)5955(Top 106%)
40K24.85 mi0.85 mi4518-2004152-1644152-1649109(Top 32%)6556(Top 41%)6556(Top 116%)
25.2M25.20 mi0.35 mi4563-454189-374189-376478(Top 23%)5007(Top 31%)5007(Top 89%)
Finish26.22 mi1.02 mi4630-674245-564245-565284(Top 19%)4295(Top 27%)4295(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2069

Males

1973

M18-39

1973

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

2019

Males

1923

M18-39

1923

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2069

Males

1973

M18-39

1973

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

3072

Males

2918

M18-39

2918

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2661

Males

2544

M18-39

2544

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6455

Males

5730

M18-39

5730

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6664

Males

5754

M18-39

5754

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6619

Males

5579

M18-39

5579

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8110

Males

6303

M18-39

6303

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4877

Males

4289

M18-39

4289

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9801

Males

7119

M18-39

7119

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7761

Males

5955

M18-39

5955

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9109

Males

6556

M18-39

6556

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6478

Males

5007

M18-39

5007

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5284

Males

4295

M18-39

4295

Passing Analysis

Category:
Athletes Passed
337
Passed By
3123
Net Change
-2786
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1844
5K → 10K71151-80#1844#1924
10K → 15K5374-21#1924#1945
15K → 20K19272-253#1945#2198
20K → Half929-20#2198#2218
Half → 25K9569-560#2218#2778
25K → 30K21638-617#2778#3395
30K → 20M24230-206#3395#3601
20M → 21M14216-202#3601#3803
21M → 35K2047-27#3803#3830
35K → 23M21353-332#3830#4162
23M → 24M24180-156#4162#4318
24M → 40K16216-200#4318#4518
40K → 25.2M1257-45#4518#4563
25.2M → Finish2491-67#4563#4630
TOTALS3373123-2786
📊

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