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BOSTON MARATHON 2025

Emiliano Segura

Bib: 4838•M

DC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 25%
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
20:38
Rank: #4951
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
40:56
Rank: #4406 (+545)
5K → 10K
20:18 | 6:32/mi
15K· 9.32 mi
1:01:10
Rank: #4116 (+290)
10K → 15K
20:14 | 6:31/mi
20K· 12.43 mi
1:22:04
Rank: #4201 (-85)
15K → 20K
20:54 | 6:44/mi
Half· 13.11 mi
1:26:29
Rank: #4145 (+56)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:42:41
Rank: #4073 (+72)
Half → 25K
16:12 | 6:41/mi
30K· 18.64 mi
2:04:10
Rank: #4014 (+59)
25K → 30K
21:29 | 6:55/mi
20M
2:13:41
Rank: #4001 (+13)
30K → 20M
9:31 | 7:00/mi
21M
2:21:14
Rank: #4035 (-34)
20M → 21M
7:33 | 7:33/mi
35K· 21.75 mi
2:26:23
Rank: #4050 (-15)
21M → 35K
5:09 | 6:53/mi
23M
2:35:44
Rank: #4170 (-120)
35K → 23M
9:21 | 7:28/mi
24M
2:43:00
Rank: #4236 (-66)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:49:13
Rank: #4294 (-58)
24M → 40K
6:13 | 7:16/mi
25.2M
2:52:05
Rank: #4340 (-46)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
2:59:19
Rank: #4458 (-118)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:29
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:32:50
Pace7:05 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0520:386:3820:38
6:38
-
10K
6.21 mi10:44:2340:566:3520:18
6:32
-0:06
15K
9.32 mi11:04:371:01:106:3420:14
6:31
-0:01
20K
12.43 mi11:25:311:22:046:3620:54
6:44
+0:13
Half
13.11 mi11:29:561:26:296:364:25
6:28
-0:16
25K
15.53 mi11:46:081:42:416:3716:12
6:41
+0:13
30K
18.64 mi12:07:372:04:106:4021:29
6:55
+0:14
20M
20.00 mi12:17:082:13:416:419:31
7:00
+0:05
21M
21.00 mi12:24:412:21:146:447:33
7:33
+0:33
35K
21.75 mi12:29:502:26:236:445:09
6:53
-0:40
23M
23.00 mi12:39:112:35:446:469:21
7:28
+0:35
24M
24.00 mi12:46:272:43:006:487:16
7:16
-0:12
40K
24.85 mi12:52:402:49:136:486:13
7:16
0:00
25.2M
25.20 mi12:55:322:52:056:502:52
8:19
+1:03
Finish
26.22 mi13:02:462:59:196:517:14
7:06
-1:13

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

6:28 /mi

Average Pace

6:51 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:35

37% of race

Time at Steady Pace

1:20:29

45% of race

Time at Slower Pace

33:15

19% of race

Average Pace: 6:50 /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 mi10:24:0520:386:3820:38
6:38
#4951
10K
6.21 mi10:44:2340:566:3520:18
6:32
#4406
15K
9.32 mi11:04:371:01:106:3420:14
6:31
#4116
20K
12.43 mi11:25:311:22:046:3620:54
6:44
#4201
Half
13.11 mi11:29:561:26:296:364:25
6:28
#4145
25K
15.53 mi11:46:081:42:416:3716:12
6:41
#4073
30K
18.64 mi12:07:372:04:106:4021:29
6:55
#4014
20M
20.00 mi12:17:082:13:416:419:31
7:00
#4001
21M
21.00 mi12:24:412:21:146:447:33
7:33
#4035
35K
21.75 mi12:29:502:26:236:445:09
6:53
#4050
23M
23.00 mi12:39:112:35:446:469:21
7:28
#4170
24M
24.00 mi12:46:272:43:006:487:16
7:16
#4236
40K
24.85 mi12:52:402:49:136:486:13
7:16
#4294
25.2M
25.20 mi12:55:322:52:056:502:52
8:19
#4340
Finish
26.22 mi13:02:462:59:196:517:14
7:06
#4458
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4951463546353658(Top 13%)3456(Top 21%)3456(Top 61%)
10K6.21 mi3.10 mi4406+5454145+4904145+4903986(Top 14%)3753(Top 23%)3753(Top 67%)
15K9.32 mi3.11 mi4116+2903879+2663879+2663658(Top 13%)3456(Top 21%)3456(Top 61%)
20K12.43 mi3.11 mi4201-853952-733952-734683(Top 16%)4345(Top 27%)4345(Top 77%)
Half13.11 mi0.68 mi4145+563900+523900+523556(Top 13%)3372(Top 21%)3372(Top 60%)
25K15.53 mi2.42 mi4073+723829+713829+714007(Top 14%)3739(Top 23%)3739(Top 66%)
30K18.64 mi3.11 mi4014+593770+593770+594181(Top 15%)3844(Top 24%)3844(Top 68%)
20M20.00 mi1.36 mi4001+133752+183752+184133(Top 15%)3786(Top 24%)3786(Top 67%)
21M21.00 mi1.00 mi4035-343778-263778-264872(Top 17%)4282(Top 27%)4282(Top 76%)
35K21.75 mi0.75 mi4050-153784-63784-64633(Top 16%)4111(Top 26%)4111(Top 73%)
23M23.00 mi1.25 mi4170-1203874-903874-906432(Top 23%)5245(Top 33%)5245(Top 93%)
24M24.00 mi1.00 mi4236-663920-463920-466215(Top 22%)5047(Top 31%)5047(Top 89%)
40K24.85 mi0.85 mi4294-583961-413961-415487(Top 19%)4547(Top 28%)4547(Top 81%)
25.2M25.20 mi0.35 mi4340-463999-383999-387648(Top 27%)5707(Top 35%)5707(Top 101%)
Finish26.22 mi1.02 mi4458-1184091-924091-926355(Top 22%)4955(Top 31%)4955(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3658

Males

3456

M18-39

3456

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3986

Males

3753

M18-39

3753

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3658

Males

3456

M18-39

3456

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4683

Males

4345

M18-39

4345

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3556

Males

3372

M18-39

3372

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

4007

Males

3739

M18-39

3739

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4181

Males

3844

M18-39

3844

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4133

Males

3786

M18-39

3786

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4872

Males

4282

M18-39

4282

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4633

Males

4111

M18-39

4111

35K→23M

21.8 - 23.0 mi

Top 23%
×5stories
+23ft-63ft

Overall

6432

Males

5245

M18-39

5245

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6215

Males

5047

M18-39

5047

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5487

Males

4547

M18-39

4547

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7648

Males

5707

M18-39

5707

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

6355

Males

4955

M18-39

4955

Passing Analysis

Category:
Athletes Passed
1565
Passed By
1072
Net Change
+493
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4951
5K → 10K56318+545#4951#4406
10K → 15K30717+290#4406#4116
15K → 20K79164-85#4116#4201
20K → Half582+56#4201#4145
Half → 25K12250+72#4145#4073
25K → 30K15899+59#4073#4014
30K → 20M5845+13#4014#4001
20M → 21M5084-34#4001#4035
21M → 35K3853-15#4035#4050
35K → 23M41161-120#4050#4170
23M → 24M36102-66#4170#4236
24M → 40K2886-58#4236#4294
40K → 25.2M1157-46#4294#4340
25.2M → Finish16134-118#4340#4458
TOTALS15651072+493
📊

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