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BOSTON MARATHON 2025

Nate Rosenthal

Bib: 4015•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Masters (Masters Men)
#0 / 10463
Top 13%
Division (M40-44)
#0 / 2247
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:56
Rank: #3230
Start → 5K
19:56 | 6:25/mi
10K· 6.21 mi
39:37
Rank: #2887 (+343)
5K → 10K
19:41 | 6:20/mi
15K· 9.32 mi
59:38
Rank: #2993 (-106)
10K → 15K
20:01 | 6:27/mi
20K· 12.43 mi
1:20:32
Rank: #3362 (-369)
15K → 20K
20:54 | 6:44/mi
Half· 13.11 mi
1:25:00
Rank: #3398 (-36)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:41:46
Rank: #3703 (-305)
Half → 25K
16:46 | 6:55/mi
30K· 18.64 mi
2:04:22
Rank: #4096 (-393)
25K → 30K
22:36 | 7:16/mi
20M
2:14:17
Rank: #4208 (-112)
30K → 20M
9:55 | 7:18/mi
21M
2:22:15
Rank: #4401 (-193)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:28:00
Rank: #4597 (-196)
21M → 35K
5:45 | 7:41/mi
23M
2:38:10
Rank: #5019 (-422)
35K → 23M
10:10 | 8:07/mi
24M
2:45:18
Rank: #5035 (-16)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
2:51:06
Rank: #4905 (+130)
24M → 40K
5:48 | 6:47/mi
25.2M
2:53:40
Rank: #4855 (+50)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:00:22
Rank: #4766 (+89)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:00
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:35:22
Pace7:16 /mi
📊Positive Split: 12.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5919:566:2519:56
6:25
-
10K
6.21 mi10:41:4039:376:2319:41
6:20
-0:05
15K
9.32 mi11:01:4159:386:2420:01
6:27
+0:07
20K
12.43 mi11:22:351:20:326:2920:54
6:44
+0:17
Half
13.11 mi11:27:031:25:006:294:28
6:33
-0:11
25K
15.53 mi11:43:491:41:466:3316:46
6:55
+0:22
30K
18.64 mi12:06:252:04:226:4022:36
7:16
+0:21
20M
20.00 mi12:16:202:14:176:439:55
7:18
+0:02
21M
21.00 mi12:24:182:22:156:467:58
7:58
+0:40
35K
21.75 mi12:30:032:28:006:485:45
7:41
-0:17
23M
23.00 mi12:40:132:38:106:5310:10
8:07
+0:26
24M
24.00 mi12:47:212:45:186:537:08
7:08
-0:59
40K
24.85 mi12:53:092:51:066:535:48
6:47
-0:21
25.2M
25.20 mi12:55:432:53:406:532:34
7:27
+0:40
Finish
26.22 mi13:02:253:00:226:536:42
6:34
-0:53

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

6:20 /mi

Average Pace

6:53 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:48

39% of race

Time at Steady Pace

50:36

28% of race

Time at Slower Pace

58:58

33% of race

Average Pace: 6:53 /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 mi10:21:5919:566:2519:56
6:25
#3230
10K
6.21 mi10:41:4039:376:2319:41
6:20
#2887
15K
9.32 mi11:01:4159:386:2420:01
6:27
#2993
20K
12.43 mi11:22:351:20:326:2920:54
6:44
#3362
Half
13.11 mi11:27:031:25:006:294:28
6:33
#3398
25K
15.53 mi11:43:491:41:466:3316:46
6:55
#3703
30K
18.64 mi12:06:252:04:226:4022:36
7:16
#4096
20M
20.00 mi12:16:202:14:176:439:55
7:18
#4208
21M
21.00 mi12:24:182:22:156:467:58
7:58
#4401
35K
21.75 mi12:30:032:28:006:485:45
7:41
#4597
23M
23.00 mi12:40:132:38:106:5310:10
8:07
#5019
24M
24.00 mi12:47:212:45:186:537:08
7:08
#5035
40K
24.85 mi12:53:092:51:066:535:48
6:47
#4905
25.2M
25.20 mi12:55:432:53:406:532:34
7:27
#4855
Finish
26.22 mi13:02:253:00:226:536:42
6:34
#4766
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3230306930693197(Top 11%)3043(Top 19%)3043(Top 135%)
10K6.21 mi3.10 mi2887+3432750+3192750+3192648(Top 9%)2525(Top 16%)2525(Top 112%)
15K9.32 mi3.11 mi2993-1062852-1022852-1023197(Top 11%)3043(Top 19%)3043(Top 135%)
20K12.43 mi3.11 mi3362-3693191-3393191-3394661(Top 16%)4323(Top 27%)4323(Top 192%)
Half13.11 mi0.68 mi3398-363225-343225-343987(Top 14%)3751(Top 23%)3751(Top 167%)
25K15.53 mi2.42 mi3703-3053497-2723497-2725751(Top 20%)5195(Top 32%)5195(Top 231%)
30K18.64 mi3.11 mi4096-3933841-3443841-3446298(Top 22%)5517(Top 34%)5517(Top 246%)
20M20.00 mi1.36 mi4208-1123936-953936-955741(Top 20%)5002(Top 31%)5002(Top 223%)
21M21.00 mi1.00 mi4401-1934088-1524088-1527124(Top 25%)5739(Top 36%)5739(Top 255%)
35K21.75 mi0.75 mi4597-1964254-1664254-1669883(Top 35%)7283(Top 45%)7283(Top 324%)
23M23.00 mi1.25 mi5019-4224599-3454599-34510836(Top 38%)7654(Top 48%)7654(Top 341%)
24M24.00 mi1.00 mi5035-164602-34602-35369(Top 19%)4503(Top 28%)4503(Top 200%)
40K24.85 mi0.85 mi4905+1304481+1214481+1212761(Top 10%)2505(Top 16%)2505(Top 111%)
25.2M25.20 mi0.35 mi4855+504440+414440+413139(Top 11%)2780(Top 17%)2780(Top 124%)
Finish26.22 mi1.02 mi4766+894358+824358+823191(Top 11%)2823(Top 18%)2823(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3197

Males

3043

M40-44

3043

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2648

Males

2525

M40-44

2525

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3197

Males

3043

M40-44

3043

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4661

Males

4323

M40-44

4323

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3987

Males

3751

M40-44

3751

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5751

Males

5195

M40-44

5195

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

6298

Males

5517

M40-44

5517

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5741

Males

5002

M40-44

5002

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

7124

Males

5739

M40-44

5739

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9883

Males

7283

M40-44

7283

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10836

Males

7654

M40-44

7654

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5369

Males

4503

M40-44

4503

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2761

Males

2505

M40-44

2505

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3139

Males

2780

M40-44

2780

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3191

Males

2823

M40-44

2823

Passing Analysis

Category:
Athletes Passed
963
Passed By
2499
Net Change
-1536
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3230
5K → 10K37128+343#3230#2887
10K → 15K48154-106#2887#2993
15K → 20K24393-369#2993#3362
20K → Half440-36#3362#3398
Half → 25K28333-305#3398#3703
25K → 30K39432-393#3703#4096
30K → 20M41153-112#4096#4208
20M → 21M28221-193#4208#4401
21M → 35K18214-196#4401#4597
35K → 23M24446-422#4597#5019
23M → 24M5369-16#5019#5035
24M → 40K1333+130#5035#4905
40K → 25.2M544+50#4905#4855
25.2M → Finish989+89#4855#4766
TOTALS9632499-1536
📊

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