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BOSTON MARATHON 2025

Eduardo Inostroza

Bib: 16626•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
21:04
Rank: #6178
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
42:51
Rank: #7132 (-954)
5K → 10K
21:47 | 7:01/mi
15K· 9.32 mi
1:04:54
Rank: #7517 (-385)
10K → 15K
22:03 | 7:06/mi
20K· 12.43 mi
1:29:11
Rank: #8780 (-1263)
15K → 20K
24:17 | 7:49/mi
Half· 13.11 mi
1:34:20
Rank: #8940 (-160)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:54:55
Rank: #10428 (-1488)
Half → 25K
20:35 | 8:29/mi
30K· 18.64 mi
2:23:39
Rank: #12322 (-1894)
25K → 30K
28:44 | 9:15/mi
20M
2:36:20
Rank: #12874 (-552)
30K → 20M
12:41 | 9:20/mi
21M
2:47:43
Rank: #13757 (-883)
20M → 21M
11:23 | 11:23/mi
35K· 21.75 mi
2:55:12
Rank: #14248 (-491)
21M → 35K
7:29 | 10:00/mi
23M
3:09:57
Rank: #15450 (-1202)
35K → 23M
14:45 | 11:47/mi
24M
3:20:07
Rank: #15821 (-371)
23M → 24M
10:10 | 10:10/mi
40K· 24.85 mi
3:30:20
Rank: #16489 (-668)
24M → 40K
10:13 | 11:57/mi
25.2M
3:34:15
Rank: #16637 (-148)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
3:44:38
Rank: #17039 (-402)
25.2M → Finish
10:23 | 10:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time2:10:18
Pace9:56 /mi
📊Positive Split: 38.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2921:046:4721:04
6:47
-
10K
6.21 mi11:16:1642:516:5421:47
7:01
+0:14
15K
9.32 mi11:38:191:04:546:5822:03
7:06
+0:05
20K
12.43 mi12:02:361:29:117:1124:17
7:49
+0:43
Half
13.11 mi12:07:451:34:207:125:09
7:33
-0:16
25K
15.53 mi12:28:201:54:557:2420:35
8:29
+0:56
30K
18.64 mi12:57:042:23:397:4228:44
9:15
+0:46
20M
20.00 mi13:09:452:36:207:4912:41
9:20
+0:05
21M
21.00 mi13:21:082:47:437:5911:23
11:23
+2:03
35K
21.75 mi13:28:372:55:128:037:29
10:00
-1:23
23M
23.00 mi13:43:223:09:578:1614:45
11:47
+1:47
24M
24.00 mi13:53:323:20:078:2010:10
10:10
-1:37
40K
24.85 mi14:03:453:30:208:2810:13
11:57
+1:47
25.2M
25.20 mi14:07:403:34:158:303:55
11:21
-0:36
Finish
26.22 mi14:18:033:44:388:3410:23
10:11
-1:10

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

6:47 /mi

Average Pace

8:34 /mi

Slowest Pace

11:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:20

42% of race

Time at Steady Pace

1:30:02

40% of race

Time at Slower Pace

40:16

18% of race

Average Pace: 8:34 /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 mi10:54:2921:046:4721:04
6:47
#6178
10K
6.21 mi11:16:1642:516:5421:47
7:01
#7132
15K
9.32 mi11:38:191:04:546:5822:03
7:06
#7517
20K
12.43 mi12:02:361:29:117:1124:17
7:49
#8780
Half
13.11 mi12:07:451:34:207:125:09
7:33
#8940
25K
15.53 mi12:28:201:54:557:2420:35
8:29
#10428
30K
18.64 mi12:57:042:23:397:4228:44
9:15
#12322
20M
20.00 mi13:09:452:36:207:4912:41
9:20
#12874
21M
21.00 mi13:21:082:47:437:5911:23
11:23
#13757
35K
21.75 mi13:28:372:55:128:037:29
10:00
#14248
23M
23.00 mi13:43:223:09:578:1614:45
11:47
#15450
24M
24.00 mi13:53:323:20:078:2010:10
10:10
#15821
40K
24.85 mi14:03:453:30:208:2810:13
11:57
#16489
25.2M
25.20 mi14:07:403:34:158:303:55
11:21
#16637
Finish
26.22 mi14:18:033:44:388:3410:23
10:11
#17039
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6178566856688321(Top 29%)7134(Top 44%)7134(Top 126%)
10K6.21 mi3.10 mi7132-9546394-7266394-7267999(Top 28%)6973(Top 43%)6973(Top 124%)
15K9.32 mi3.11 mi7517-3856657-2636657-2638321(Top 29%)7134(Top 44%)7134(Top 126%)
20K12.43 mi3.11 mi8780-12637430-7737430-77313401(Top 47%)9607(Top 60%)9607(Top 170%)
Half13.11 mi0.68 mi8940-1607528-987528-9812127(Top 43%)9099(Top 56%)9099(Top 161%)
25K15.53 mi2.42 mi10428-14888302-7748302-77417116(Top 60%)11148(Top 69%)11148(Top 198%)
30K18.64 mi3.11 mi12322-18949123-8219123-82118880(Top 66%)11775(Top 73%)11775(Top 209%)
20M20.00 mi1.36 mi12874-5529328-2059328-20518420(Top 65%)11408(Top 71%)11408(Top 202%)
21M21.00 mi1.00 mi13757-8839683-3559683-35522334(Top 79%)13116(Top 81%)13116(Top 232%)
35K21.75 mi0.75 mi14248-4919888-2059888-20521891(Top 77%)12844(Top 80%)12844(Top 228%)
23M23.00 mi1.25 mi15450-120210362-47410362-47424721(Top 87%)14199(Top 88%)14199(Top 252%)
24M24.00 mi1.00 mi15821-37110500-13810500-13821830(Top 77%)12718(Top 79%)12718(Top 225%)
40K24.85 mi0.85 mi16489-66810763-26310763-26324842(Top 87%)14174(Top 88%)14174(Top 251%)
25.2M25.20 mi0.35 mi16637-14810805-4210805-4221636(Top 76%)12593(Top 78%)12593(Top 223%)
Finish26.22 mi1.02 mi17039-40210949-14410949-14423477(Top 83%)13496(Top 84%)13496(Top 239%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

8321

Males

7134

M18-39

7134

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7999

Males

6973

M18-39

6973

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

8321

Males

7134

M18-39

7134

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13401

Males

9607

M18-39

9607

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

12127

Males

9099

M18-39

9099

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

17116

Males

11148

M18-39

11148

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18880

Males

11775

M18-39

11775

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18420

Males

11408

M18-39

11408

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

22334

Males

13116

M18-39

13116

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21891

Males

12844

M18-39

12844

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

24721

Males

14199

M18-39

14199

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21830

Males

12718

M18-39

12718

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24842

Males

14174

M18-39

14174

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21636

Males

12593

M18-39

12593

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

23477

Males

13496

M18-39

13496

Passing Analysis

Category:
Athletes Passed
235
Passed By
11093
Net Change
-10861
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6178
5K → 10K27981-954#6178#7132
10K → 15K49434-385#7132#7517
15K → 20K141277-1263#7517#8780
20K → Half5165-160#8780#8940
Half → 25K161502-1488#8940#10428
25K → 30K231916-1894#10428#12322
30K → 20M33585-552#12322#12874
20M → 21M13896-883#12874#13757
21M → 35K6497-491#13757#14248
35K → 23M91211-1202#14248#15450
23M → 24M9380-371#15450#15821
24M → 40K8676-668#15821#16489
40K → 25.2M11159-148#16489#16637
25.2M → Finish12414-402#16637#17039
TOTALS23511093-10861
📊

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