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BOSTON MARATHON 2025

Nathan Perry

Bib: 798•M

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:55
Rank: #547
Start → 5K
17:55 | 5:46/mi
10K· 6.21 mi
35:39
Rank: #502 (+45)
5K → 10K
17:44 | 5:42/mi
15K· 9.32 mi
53:29
Rank: #478 (+24)
10K → 15K
17:50 | 5:44/mi
20K· 12.43 mi
1:11:31
Rank: #469 (+9)
15K → 20K
18:02 | 5:48/mi
Half· 13.11 mi
1:15:27
Rank: #467 (+2)
20K → Half
3:56 | 5:46/mi
25K· 15.53 mi
1:29:28
Rank: #438 (+29)
Half → 25K
14:01 | 5:47/mi
30K· 18.64 mi
1:47:19
Rank: #374 (+64)
25K → 30K
17:51 | 5:45/mi
20M
1:55:18
Rank: #354 (+20)
30K → 20M
7:59 | 5:52/mi
21M
2:01:25
Rank: #334 (+20)
20M → 21M
6:07 | 6:07/mi
35K· 21.75 mi
2:05:43
Rank: #332 (+2)
21M → 35K
4:18 | 5:45/mi
23M
2:13:47
Rank: #355 (-23)
35K → 23M
8:04 | 6:27/mi
24M
2:20:17
Rank: #377 (-22)
23M → 24M
6:30 | 6:30/mi
40K· 24.85 mi
2:26:42
Rank: #438 (-61)
24M → 40K
6:25 | 7:30/mi
25.2M
2:29:34
Rank: #466 (-28)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
2:38:05
Rank: #653 (-187)
25.2M → Finish
8:31 | 8:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:27
Pace5:45 /mi
2nd Half
Distance13.11 mi
Time1:22:38
Pace6:18 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:1217:555:4617:55
5:46
-
10K
6.21 mi10:35:5635:395:4417:44
5:42
-0:04
15K
9.32 mi10:53:4653:295:4417:50
5:44
+0:02
20K
12.43 mi11:11:481:11:315:4518:02
5:48
+0:04
Half
13.11 mi11:15:441:15:275:453:56
5:46
-0:02
25K
15.53 mi11:29:451:29:285:4614:01
5:47
+0:01
30K
18.64 mi11:47:361:47:195:4517:51
5:45
-0:02
20M
20.00 mi11:55:351:55:185:467:59
5:52
+0:07
21M
21.00 mi12:01:422:01:255:476:07
6:07
+0:15
35K
21.75 mi12:06:002:05:435:474:18
5:45
-0:22
23M
23.00 mi12:14:042:13:475:498:04
6:27
+0:42
24M
24.00 mi12:20:342:20:175:516:30
6:30
+0:03
40K
24.85 mi12:26:592:26:425:546:25
7:30
+1:00
25.2M
25.20 mi12:29:512:29:345:562:52
8:19
+0:49
Finish
26.22 mi12:38:222:38:056:028:31
8:21
+0:02

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

5:42 /mi

Average Pace

6:02 /mi

Slowest Pace

8:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:05:43

80% of race

Time at Slower Pace

32:22

20% of race

Average Pace: 6:02 /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 mi10:18:1217:555:4617:55
5:46
#547
10K
6.21 mi10:35:5635:395:4417:44
5:42
#502
15K
9.32 mi10:53:4653:295:4417:50
5:44
#478
20K
12.43 mi11:11:481:11:315:4518:02
5:48
#469
Half
13.11 mi11:15:441:15:275:453:56
5:46
#467
25K
15.53 mi11:29:451:29:285:4614:01
5:47
#438
30K
18.64 mi11:47:361:47:195:4517:51
5:45
#374
20M
20.00 mi11:55:351:55:185:467:59
5:52
#354
21M
21.00 mi12:01:422:01:255:476:07
6:07
#334
35K
21.75 mi12:06:002:05:435:474:18
5:45
#332
23M
23.00 mi12:14:042:13:475:498:04
6:27
#355
24M
24.00 mi12:20:342:20:175:516:30
6:30
#377
40K
24.85 mi12:26:592:26:425:546:25
7:30
#438
25.2M
25.20 mi12:29:512:29:345:562:52
8:19
#466
Finish
26.22 mi12:38:222:38:056:028:31
8:21
#653
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi547508508439(Top 2%)407(Top 3%)407(Top 7%)
10K6.21 mi3.10 mi502+45464+44464+44468(Top 2%)432(Top 3%)432(Top 8%)
15K9.32 mi3.11 mi478+24441+23441+23439(Top 2%)407(Top 3%)407(Top 7%)
20K12.43 mi3.11 mi469+9433+8433+8449(Top 2%)418(Top 3%)418(Top 7%)
Half13.11 mi0.68 mi467+2431+2431+2523(Top 2%)491(Top 3%)491(Top 9%)
25K15.53 mi2.42 mi438+29403+28403+28393(Top 1%)364(Top 2%)364(Top 6%)
30K18.64 mi3.11 mi374+64343+60343+60201(Top 0.7%)179(Top 1%)179(Top 3%)
20M20.00 mi1.36 mi354+20324+19324+19254(Top 0.9%)234(Top 1%)234(Top 4%)
21M21.00 mi1.00 mi334+20306+18306+18208(Top 0.7%)193(Top 1%)193(Top 3%)
35K21.75 mi0.75 mi332+2304+2304+2328(Top 1%)306(Top 2%)306(Top 5%)
23M23.00 mi1.25 mi355-23328-24328-241262(Top 4%)1187(Top 7%)1187(Top 21%)
24M24.00 mi1.00 mi377-22349-21349-212015(Top 7%)1868(Top 12%)1868(Top 33%)
40K24.85 mi0.85 mi438-61404-55404-556792(Top 24%)5297(Top 33%)5297(Top 94%)
25.2M25.20 mi0.35 mi466-28429-25429-257583(Top 27%)5642(Top 35%)5642(Top 100%)
Finish26.22 mi1.02 mi653-187604-175604-17515247(Top 54%)9577(Top 59%)9577(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

439

Males

407

M18-39

407

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

468

Males

432

M18-39

432

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

439

Males

407

M18-39

407

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

449

Males

418

M18-39

418

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

523

Males

491

M18-39

491

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

393

Males

364

M18-39

364

25K→30K

15.5 - 18.6 mi

Top 0.7%
×9stories
+181ft-148ft

Overall

201

Males

179

M18-39

179

30K→20M

18.6 - 20.0 mi

Top 0.9%
×5stories
+64ft-50ft

Overall

254

Males

234

M18-39

234

20M→21M

20.0 - 21.0 mi

Top 0.7%
×8stories
+106ft-24ft

Overall

208

Males

193

M18-39

193

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

328

Males

306

M18-39

306

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1262

Males

1187

M18-39

1187

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

2015

Males

1868

M18-39

1868

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6792

Males

5297

M18-39

5297

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7583

Males

5642

M18-39

5642

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2stories
+22ft-21ft

Overall

15247

Males

9577

M18-39

9577

Passing Analysis

Category:
Athletes Passed
278
Passed By
384
Net Change
-106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#547
5K → 10K5914+45#547#502
10K → 15K3713+24#502#478
15K → 20K2415+9#478#469
20K → Half64+2#469#467
Half → 25K301+29#467#438
25K → 30K640+64#438#374
30K → 20M211+20#374#354
20M → 21M211+20#354#334
21M → 35K53+2#334#332
35K → 23M730-23#332#355
23M → 24M325-22#355#377
24M → 40K061-61#377#438
40K → 25.2M129-28#438#466
25.2M → Finish0187-187#466#653
TOTALS278384-106
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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