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BOSTON MARATHON 2025

Michael Herrera

Bib: 1211•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Division (M18-39)
#0 / 5642
Top 44%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:12
Rank: #1753
Start → 5K
19:12 | 6:11/mi
10K· 6.21 mi
39:04
Rank: #2332 (-579)
5K → 10K
19:52 | 6:24/mi
15K· 9.32 mi
59:38
Rank: #2998 (-666)
10K → 15K
20:34 | 6:37/mi
20K· 12.43 mi
1:20:08
Rank: #3150 (-152)
15K → 20K
20:30 | 6:36/mi
Half· 13.11 mi
1:24:26
Rank: #3120 (+30)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:40:31
Rank: #3204 (-84)
Half → 25K
16:05 | 6:38/mi
30K· 18.64 mi
2:01:06
Rank: #3016 (+188)
25K → 30K
20:35 | 6:38/mi
20M
2:11:00
Rank: #3163 (-147)
30K → 20M
9:54 | 7:17/mi
21M
2:18:51
Rank: #3315 (-152)
20M → 21M
7:51 | 7:51/mi
35K· 21.75 mi
2:24:39
Rank: #3518 (-203)
21M → 35K
5:48 | 7:45/mi
23M
2:34:14
Rank: #3717 (-199)
35K → 23M
9:35 | 7:39/mi
24M
2:41:55
Rank: #3938 (-221)
23M → 24M
7:41 | 7:41/mi
40K· 24.85 mi
2:47:53
Rank: #3893 (+45)
24M → 40K
5:58 | 6:59/mi
25.2M
2:50:01
Rank: #3754 (+139)
40K → 25.2M
2:08 | 6:11/mi
Finish· 26.22 mi
2:56:01
Rank: #3493 (+261)
25.2M → Finish
6:00 | 5:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:26
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:31:35
Pace6:59 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5219:126:1119:12
6:11
-
10K
6.21 mi10:39:4439:046:1719:52
6:24
+0:13
15K
9.32 mi11:00:1859:386:2420:34
6:37
+0:13
20K
12.43 mi11:20:481:20:086:2720:30
6:36
-0:01
Half
13.11 mi11:25:061:24:266:264:18
6:18
-0:18
25K
15.53 mi11:41:111:40:316:2816:05
6:38
+0:20
30K
18.64 mi12:01:462:01:066:3020:35
6:38
0:00
20M
20.00 mi12:11:402:11:006:339:54
7:17
+0:39
21M
21.00 mi12:19:312:18:516:377:51
7:51
+0:34
35K
21.75 mi12:25:192:24:396:395:48
7:45
-0:06
23M
23.00 mi12:34:542:34:146:429:35
7:39
-0:06
24M
24.00 mi12:42:352:41:556:457:41
7:41
+0:02
40K
24.85 mi12:48:332:47:536:455:58
6:59
-0:42
25.2M
25.20 mi12:50:412:50:016:452:08
6:11
-0:48
Finish
26.22 mi12:56:412:56:016:436:00
5:53
-0:18

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

5:53 /mi

Average Pace

6:43 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

31:38

18% of race

Time at Steady Pace

1:37:36

55% of race

Time at Slower Pace

46:47

27% of race

Average Pace: 6:43 /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 mi10:19:5219:126:1119:12
6:11
#1753
10K
6.21 mi10:39:4439:046:1719:52
6:24
#2332
15K
9.32 mi11:00:1859:386:2420:34
6:37
#2998
20K
12.43 mi11:20:481:20:086:2720:30
6:36
#3150
Half
13.11 mi11:25:061:24:266:264:18
6:18
#3120
25K
15.53 mi11:41:111:40:316:2816:05
6:38
#3204
30K
18.64 mi12:01:462:01:066:3020:35
6:38
#3016
20M
20.00 mi12:11:402:11:006:339:54
7:17
#3163
21M
21.00 mi12:19:312:18:516:377:51
7:51
#3315
35K
21.75 mi12:25:192:24:396:395:48
7:45
#3518
23M
23.00 mi12:34:542:34:146:429:35
7:39
#3717
24M
24.00 mi12:42:352:41:556:457:41
7:41
#3938
40K
24.85 mi12:48:332:47:536:455:58
6:59
#3893
25.2M
25.20 mi12:50:412:50:016:452:08
6:11
#3754
Finish
26.22 mi12:56:412:56:016:436:00
5:53
#3493
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1753166516654400(Top 15%)4130(Top 26%)4130(Top 73%)
10K6.21 mi3.10 mi2332-5792224-5592224-5593019(Top 11%)2875(Top 18%)2875(Top 51%)
15K9.32 mi3.11 mi2998-6662857-6332857-6334400(Top 15%)4130(Top 26%)4130(Top 73%)
20K12.43 mi3.11 mi3150-1523002-1453002-1453690(Top 13%)3485(Top 22%)3485(Top 62%)
Half13.11 mi0.68 mi3120+302974+282974+282583(Top 9%)2472(Top 15%)2472(Top 44%)
25K15.53 mi2.42 mi3204-843052-783052-783686(Top 13%)3465(Top 22%)3465(Top 61%)
30K18.64 mi3.11 mi3016+1882872+1802872+1802527(Top 9%)2393(Top 15%)2393(Top 42%)
20M20.00 mi1.36 mi3163-1472996-1242996-1245685(Top 20%)4965(Top 31%)4965(Top 88%)
21M21.00 mi1.00 mi3315-1523135-1393135-1396472(Top 23%)5367(Top 33%)5367(Top 95%)
35K21.75 mi0.75 mi3518-2033318-1833318-18310397(Top 37%)7551(Top 47%)7551(Top 134%)
23M23.00 mi1.25 mi3717-1993487-1693487-1697581(Top 27%)5911(Top 37%)5911(Top 105%)
24M24.00 mi1.00 mi3938-2213662-1753662-1758979(Top 32%)6630(Top 41%)6630(Top 118%)
40K24.85 mi0.85 mi3893+453616+463616+463770(Top 13%)3315(Top 21%)3315(Top 59%)
25.2M25.20 mi0.35 mi3754+1393495+1213495+121163(Top 0.6%)155(Top 1.0%)155(Top 3%)
Finish26.22 mi1.02 mi3493+2613262+2333262+233673(Top 2%)634(Top 4%)634(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4400

Males

4130

M18-39

4130

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3019

Males

2875

M18-39

2875

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4400

Males

4130

M18-39

4130

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3690

Males

3485

M18-39

3485

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2583

Males

2472

M18-39

2472

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3686

Males

3465

M18-39

3465

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2527

Males

2393

M18-39

2393

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5685

Males

4965

M18-39

4965

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6472

Males

5367

M18-39

5367

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

10397

Males

7551

M18-39

7551

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7581

Males

5911

M18-39

5911

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8979

Males

6630

M18-39

6630

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3770

Males

3315

M18-39

3315

40K→25.2M

24.9 - 25.2 mi

Top 0.6%
×1story
+13ft-16ft

Overall

163

Males

155

M18-39

155

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

673

Males

634

M18-39

634

Passing Analysis

Category:
Athletes Passed
909
Passed By
2649
Net Change
-1740
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1753
5K → 10K6585-579#1753#2332
10K → 15K6672-666#2332#2998
15K → 20K44196-152#2998#3150
20K → Half344+30#3150#3120
Half → 25K47131-84#3120#3204
25K → 30K22335+188#3204#3016
30K → 20M23170-147#3016#3163
20M → 21M16168-152#3163#3315
21M → 35K9212-203#3315#3518
35K → 23M24223-199#3518#3717
23M → 24M16237-221#3717#3938
24M → 40K6116+45#3938#3893
40K → 25.2M1390+139#3893#3754
25.2M → Finish2610+261#3754#3493
TOTALS9092649-1740
📊

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