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BOSTON MARATHON 2025

Nathanael Johns

Bib: 6280•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 33%
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: #6150
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
41:47
Rank: #5610 (+540)
5K → 10K
20:43 | 6:40/mi
15K· 9.32 mi
1:02:17
Rank: #5083 (+527)
10K → 15K
20:30 | 6:36/mi
20K· 12.43 mi
1:22:52
Rank: #4715 (+368)
15K → 20K
20:35 | 6:38/mi
Half· 13.11 mi
1:27:23
Rank: #4693 (+22)
20K → Half
4:31 | 6:37/mi
25K· 15.53 mi
1:43:28
Rank: #4466 (+227)
Half → 25K
16:05 | 6:38/mi
30K· 18.64 mi
2:05:35
Rank: #4623 (-157)
25K → 30K
22:07 | 7:07/mi
20M
2:17:13
Rank: #5455 (-832)
30K → 20M
11:38 | 8:34/mi
21M
2:26:00
Rank: #5770 (-315)
20M → 21M
8:47 | 8:47/mi
35K· 21.75 mi
2:31:43
Rank: #5866 (-96)
21M → 35K
5:43 | 7:38/mi
23M
2:42:35
Rank: #6229 (-363)
35K → 23M
10:52 | 8:41/mi
24M
2:49:39
Rank: #6115 (+114)
23M → 24M
7:04 | 7:04/mi
40K· 24.85 mi
2:55:58
Rank: #6054 (+61)
24M → 40K
6:19 | 7:23/mi
25.2M
2:59:36
Rank: #6258 (-204)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:06:12
Rank: #6039 (+219)
25.2M → Finish
6:36 | 6:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:23
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:38:49
Pace7:32 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0821:046:4721:04
6:47
-
10K
6.21 mi10:47:5141:476:4320:43
6:40
-0:07
15K
9.32 mi11:08:211:02:176:4120:30
6:36
-0:04
20K
12.43 mi11:28:561:22:526:4020:35
6:38
+0:02
Half
13.11 mi11:33:271:27:236:404:31
6:37
-0:01
25K
15.53 mi11:49:321:43:286:4016:05
6:38
+0:01
30K
18.64 mi12:11:392:05:356:4422:07
7:07
+0:29
20M
20.00 mi12:23:172:17:136:5211:38
8:34
+1:27
21M
21.00 mi12:32:042:26:006:578:47
8:47
+0:13
35K
21.75 mi12:37:472:31:436:595:43
7:38
-1:09
23M
23.00 mi12:48:392:42:357:0410:52
8:41
+1:03
24M
24.00 mi12:55:432:49:397:047:04
7:04
-1:37
40K
24.85 mi13:02:022:55:587:056:19
7:23
+0:19
25.2M
25.20 mi13:05:402:59:367:083:38
10:32
+3:09
Finish
26.22 mi13:12:163:06:127:066:36
6:29
-4:03

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

6:29 /mi

Average Pace

7:06 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:36

4% of race

Time at Steady Pace

2:18:58

75% of race

Time at Slower Pace

40:38

22% of race

Average Pace: 7:06 /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 mi10:27:0821:046:4721:04
6:47
#6150
10K
6.21 mi10:47:5141:476:4320:43
6:40
#5610
15K
9.32 mi11:08:211:02:176:4120:30
6:36
#5083
20K
12.43 mi11:28:561:22:526:4020:35
6:38
#4715
Half
13.11 mi11:33:271:27:236:404:31
6:37
#4693
25K
15.53 mi11:49:321:43:286:4016:05
6:38
#4466
30K
18.64 mi12:11:392:05:356:4422:07
7:07
#4623
20M
20.00 mi12:23:172:17:136:5211:38
8:34
#5455
21M
21.00 mi12:32:042:26:006:578:47
8:47
#5770
35K
21.75 mi12:37:472:31:436:595:43
7:38
#5866
23M
23.00 mi12:48:392:42:357:0410:52
8:41
#6229
24M
24.00 mi12:55:432:49:397:047:04
7:04
#6115
40K
24.85 mi13:02:022:55:587:056:19
7:23
#6054
25.2M
25.20 mi13:05:402:59:367:083:38
10:32
#6258
Finish
26.22 mi13:12:163:06:127:066:36
6:29
#6039
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6150564056404214(Top 15%)3963(Top 25%)3963(Top 70%)
10K6.21 mi3.10 mi5610+5405184+4565184+4565046(Top 18%)4703(Top 29%)4703(Top 83%)
15K9.32 mi3.11 mi5083+5274732+4524732+4524214(Top 15%)3963(Top 25%)3963(Top 70%)
20K12.43 mi3.11 mi4715+3684401+3314401+3313865(Top 14%)3643(Top 23%)3643(Top 65%)
Half13.11 mi0.68 mi4693+224382+194382+194586(Top 16%)4279(Top 27%)4279(Top 76%)
25K15.53 mi2.42 mi4466+2274180+2024180+2023677(Top 13%)3456(Top 21%)3456(Top 61%)
30K18.64 mi3.11 mi4623-1574299-1194299-1195416(Top 19%)4867(Top 30%)4867(Top 86%)
20M20.00 mi1.36 mi5455-8324994-6954994-69514129(Top 50%)9500(Top 59%)9500(Top 168%)
21M21.00 mi1.00 mi5770-3155237-2435237-24312151(Top 43%)8427(Top 52%)8427(Top 149%)
35K21.75 mi0.75 mi5866-965296-595296-599570(Top 34%)7124(Top 44%)7124(Top 126%)
23M23.00 mi1.25 mi6229-3635551-2555551-25514379(Top 51%)9329(Top 58%)9329(Top 165%)
24M24.00 mi1.00 mi6115+1145451+1005451+1005005(Top 18%)4262(Top 26%)4262(Top 76%)
40K24.85 mi0.85 mi6054+615387+645387+646103(Top 21%)4903(Top 30%)4903(Top 87%)
25.2M25.20 mi0.35 mi6258-2045524-1375524-13719056(Top 67%)11314(Top 70%)11314(Top 201%)
Finish26.22 mi1.02 mi6039+2195346+1785346+1782701(Top 10%)2431(Top 15%)2431(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4214

Males

3963

M18-39

3963

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5046

Males

4703

M18-39

4703

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4214

Males

3963

M18-39

3963

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3865

Males

3643

M18-39

3643

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4586

Males

4279

M18-39

4279

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3677

Males

3456

M18-39

3456

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5416

Males

4867

M18-39

4867

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14129

Males

9500

M18-39

9500

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12151

Males

8427

M18-39

8427

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9570

Males

7124

M18-39

7124

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

14379

Males

9329

M18-39

9329

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5005

Males

4262

M18-39

4262

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6103

Males

4903

M18-39

4903

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

19056

Males

11314

M18-39

11314

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2701

Males

2431

M18-39

2431

Passing Analysis

Category:
Athletes Passed
2354
Passed By
2243
Net Change
+111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6150
5K → 10K56323+540#6150#5610
10K → 15K5347+527#5610#5083
15K → 20K3746+368#5083#4715
20K → Half3412+22#4715#4693
Half → 25K23710+227#4693#4466
25K → 30K104261-157#4466#4623
30K → 20M5837-832#4623#5455
20M → 21M18333-315#5455#5770
21M → 35K20116-96#5770#5866
35K → 23M29392-363#5866#6229
23M → 24M12915+114#6229#6115
24M → 40K8322+61#6115#6054
40K → 25.2M3207-204#6054#6258
25.2M → Finish2212+219#6258#6039
TOTALS23542243+111
📊

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