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BOSTON MARATHON 2025

Nelson Morello

Bib: 11212•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 33%
Division (M50-54)
#0 / 1996
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:44
Rank: #10516
Start → 5K
22:44 | 7:19/mi
10K· 6.21 mi
44:58
Rank: #9767 (+749)
5K → 10K
22:14 | 7:09/mi
15K· 9.32 mi
1:07:18
Rank: #9500 (+267)
10K → 15K
22:20 | 7:11/mi
20K· 12.43 mi
1:30:05
Rank: #9403 (+97)
15K → 20K
22:47 | 7:20/mi
Half· 13.11 mi
1:35:03
Rank: #9403
20K → Half
4:58 | 7:17/mi
25K· 15.53 mi
1:53:18
Rank: #9518 (-115)
Half → 25K
18:15 | 7:32/mi
30K· 18.64 mi
2:17:22
Rank: #9433 (+85)
25K → 30K
24:04 | 7:45/mi
20M
2:28:07
Rank: #9430 (+3)
30K → 20M
10:45 | 7:55/mi
21M
2:36:17
Rank: #9329 (+101)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:42:12
Rank: #9389 (-60)
21M → 35K
5:55 | 7:55/mi
23M
2:51:54
Rank: #9265 (+124)
35K → 23M
9:42 | 7:45/mi
24M
2:59:19
Rank: #9133 (+132)
23M → 24M
7:25 | 7:25/mi
40K· 24.85 mi
3:05:47
Rank: #9019 (+114)
24M → 40K
6:28 | 7:34/mi
25.2M
3:08:40
Rank: #8986 (+33)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:16:21
Rank: #8965 (+21)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:03
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:41:18
Pace7:44 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2822:447:1922:44
7:19
-
10K
6.21 mi11:11:4244:587:1422:14
7:09
-0:10
15K
9.32 mi11:34:021:07:187:1322:20
7:11
+0:02
20K
12.43 mi11:56:491:30:057:1522:47
7:20
+0:09
Half
13.11 mi12:01:471:35:037:154:58
7:17
-0:03
25K
15.53 mi12:20:021:53:187:1818:15
7:32
+0:15
30K
18.64 mi12:44:062:17:227:2224:04
7:45
+0:13
20M
20.00 mi12:54:512:28:077:2410:45
7:55
+0:10
21M
21.00 mi13:03:012:36:177:278:10
8:10
+0:15
35K
21.75 mi13:08:562:42:127:275:55
7:55
-0:15
23M
23.00 mi13:18:382:51:547:289:42
7:45
-0:10
24M
24.00 mi13:26:032:59:197:287:25
7:25
-0:20
40K
24.85 mi13:32:313:05:477:286:28
7:34
+0:09
25.2M
25.20 mi13:35:243:08:407:292:53
8:22
+0:48
Finish
26.22 mi13:43:053:16:217:307:41
7:32
-0:50

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

7:09 /mi

Average Pace

7:30 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:38

86% of race

Time at Steady Pace

27:43

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi10:49:2822:447:1922:44
7:19
#10516
10K
6.21 mi11:11:4244:587:1422:14
7:09
#9767
15K
9.32 mi11:34:021:07:187:1322:20
7:11
#9500
20K
12.43 mi11:56:491:30:057:1522:47
7:20
#9403
Half
13.11 mi12:01:471:35:037:154:58
7:17
#9403
25K
15.53 mi12:20:021:53:187:1818:15
7:32
#9518
30K
18.64 mi12:44:062:17:227:2224:04
7:45
#9433
20M
20.00 mi12:54:512:28:077:2410:45
7:55
#9430
21M
21.00 mi13:03:012:36:177:278:10
8:10
#9329
35K
21.75 mi13:08:562:42:127:275:55
7:55
#9389
23M
23.00 mi13:18:382:51:547:289:42
7:45
#9265
24M
24.00 mi13:26:032:59:197:287:25
7:25
#9133
40K
24.85 mi13:32:313:05:477:286:28
7:34
#9019
25.2M
25.20 mi13:35:243:08:407:292:53
8:22
#8986
Finish
26.22 mi13:43:053:16:217:307:41
7:32
#8965
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10516844584459008(Top 32%)7552(Top 47%)7552(Top 378%)
10K6.21 mi3.10 mi9767+7498040+4058040+4059122(Top 32%)7676(Top 48%)7676(Top 385%)
15K9.32 mi3.11 mi9500+2677877+1637877+1639008(Top 32%)7552(Top 47%)7552(Top 378%)
20K12.43 mi3.11 mi9403+977779+987779+989302(Top 33%)7629(Top 47%)7629(Top 382%)
Half13.11 mi0.68 mi94037776+37776+39746(Top 34%)7874(Top 49%)7874(Top 394%)
25K15.53 mi2.42 mi9518-1157801-257801-2510175(Top 36%)7970(Top 49%)7970(Top 399%)
30K18.64 mi3.11 mi9433+857709+927709+929510(Top 33%)7432(Top 46%)7432(Top 372%)
20M20.00 mi1.36 mi9430+37665+447665+449790(Top 34%)7420(Top 46%)7420(Top 372%)
21M21.00 mi1.00 mi9329+1017579+867579+868366(Top 29%)6466(Top 40%)6466(Top 324%)
35K21.75 mi0.75 mi9389-607592-137592-1311575(Top 41%)8110(Top 50%)8110(Top 406%)
23M23.00 mi1.25 mi9265+1247484+1087484+1088200(Top 29%)6284(Top 39%)6284(Top 315%)
24M24.00 mi1.00 mi9133+1327385+997385+997142(Top 25%)5617(Top 35%)5617(Top 281%)
40K24.85 mi0.85 mi9019+1147280+1057280+1057180(Top 25%)5541(Top 34%)5541(Top 278%)
25.2M25.20 mi0.35 mi8986+337246+347246+347934(Top 28%)5875(Top 36%)5875(Top 294%)
Finish26.22 mi1.02 mi8965+217188+587188+589453(Top 33%)6681(Top 41%)6681(Top 335%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9008

Males

7552

M50-54

7552

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9122

Males

7676

M50-54

7676

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9008

Males

7552

M50-54

7552

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

9302

Males

7629

M50-54

7629

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9746

Males

7874

M50-54

7874

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10175

Males

7970

M50-54

7970

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

9510

Males

7432

M50-54

7432

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9790

Males

7420

M50-54

7420

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8366

Males

6466

M50-54

6466

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11575

Males

8110

M50-54

8110

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8200

Males

6284

M50-54

6284

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

7142

Males

5617

M50-54

5617

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7180

Males

5541

M50-54

5541

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7934

Males

5875

M50-54

5875

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9453

Males

6681

M50-54

6681

Passing Analysis

Category:
Athletes Passed
2657*
Passed By
1106
Net Change
+1551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10516
5K → 10K797*48+749#10516#9767
10K → 15K32558+267#9767#9500
15K → 20K232135+97#9500#9403
20K → Half25250#9403#9403
Half → 25K124239-115#9403#9518
25K → 30K262177+85#9518#9433
30K → 20M109106+3#9433#9430
20M → 21M14241+101#9430#9329
21M → 35K41101-60#9329#9389
35K → 23M16440+124#9389#9265
23M → 24M15321+132#9265#9133
24M → 40K14733+114#9133#9019
40K → 25.2M5017+33#9019#8986
25.2M → Finish8665+21#8986#8965
TOTALS2657*1106+1551

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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