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BOSTON MARATHON 2025

James Jewer

Bib: 6673•M

AB

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:56
Rank: #5759
Start → 5K
20:56 | 6:44/mi
10K· 6.21 mi
41:30
Rank: #5169 (+590)
5K → 10K
20:34 | 6:37/mi
15K· 9.32 mi
1:02:09
Rank: #4934 (+235)
10K → 15K
20:39 | 6:39/mi
20K· 12.43 mi
1:23:09
Rank: #4909 (+25)
15K → 20K
21:00 | 6:46/mi
Half· 13.11 mi
1:27:44
Rank: #4930 (-21)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:44:10
Rank: #4851 (+79)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:05:30
Rank: #4579 (+272)
25K → 30K
21:20 | 6:52/mi
20M
2:14:49
Rank: #4436 (+143)
30K → 20M
9:19 | 6:51/mi
21M
2:22:03
Rank: #4301 (+135)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:27:01
Rank: #4240 (+61)
21M → 35K
4:58 | 6:38/mi
23M
2:35:39
Rank: #4138 (+102)
35K → 23M
8:38 | 6:54/mi
24M
2:42:18
Rank: #4041 (+97)
23M → 24M
6:39 | 6:39/mi
40K· 24.85 mi
2:48:05
Rank: #3950 (+91)
24M → 40K
5:47 | 6:46/mi
25.2M
2:50:36
Rank: #3913 (+37)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
2:57:09
Rank: #3777 (+136)
25.2M → Finish
6:33 | 6:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:44
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:29:25
Pace6:49 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:3420:566:4420:56
6:44
-
10K
6.21 mi10:48:0841:306:4120:34
6:37
-0:07
15K
9.32 mi11:08:471:02:096:4020:39
6:39
+0:02
20K
12.43 mi11:29:471:23:096:4121:00
6:46
+0:07
Half
13.11 mi11:34:221:27:446:424:35
6:43
-0:03
25K
15.53 mi11:50:481:44:106:4216:26
6:47
+0:04
30K
18.64 mi12:12:082:05:306:4421:20
6:52
+0:05
20M
20.00 mi12:21:272:14:496:449:19
6:51
-0:01
21M
21.00 mi12:28:412:22:036:467:14
7:14
+0:23
35K
21.75 mi12:33:392:27:016:464:58
6:38
-0:36
23M
23.00 mi12:42:172:35:396:468:38
6:54
+0:16
24M
24.00 mi12:48:562:42:186:466:39
6:39
-0:15
40K
24.85 mi12:54:432:48:056:465:47
6:46
+0:07
25.2M
25.20 mi12:57:142:50:366:462:31
7:18
+0:32
Finish
26.22 mi13:03:472:57:096:466:33
6:26
-0:52

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

6:26 /mi

Average Pace

6:46 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:24

94% of race

Time at Steady Pace

9:45

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:27:3420:566:4420:56
6:44
#5759
10K
6.21 mi10:48:0841:306:4120:34
6:37
#5169
15K
9.32 mi11:08:471:02:096:4020:39
6:39
#4934
20K
12.43 mi11:29:471:23:096:4121:00
6:46
#4909
Half
13.11 mi11:34:221:27:446:424:35
6:43
#4930
25K
15.53 mi11:50:481:44:106:4216:26
6:47
#4851
30K
18.64 mi12:12:082:05:306:4421:20
6:52
#4579
20M
20.00 mi12:21:272:14:496:449:19
6:51
#4436
21M
21.00 mi12:28:412:22:036:467:14
7:14
#4301
35K
21.75 mi12:33:392:27:016:464:58
6:38
#4240
23M
23.00 mi12:42:172:35:396:468:38
6:54
#4138
24M
24.00 mi12:48:562:42:186:466:39
6:39
#4041
40K
24.85 mi12:54:432:48:056:465:47
6:46
#3950
25.2M
25.20 mi12:57:142:50:366:462:31
7:18
#3913
Finish
26.22 mi13:03:472:57:096:466:33
6:26
#3777
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5759531153114610(Top 16%)4314(Top 27%)4314(Top 76%)
10K6.21 mi3.10 mi5169+5904809+5024809+5024614(Top 16%)4320(Top 27%)4320(Top 77%)
15K9.32 mi3.11 mi4934+2354603+2064603+2064610(Top 16%)4314(Top 27%)4314(Top 76%)
20K12.43 mi3.11 mi4909+254576+274576+274899(Top 17%)4527(Top 28%)4527(Top 80%)
Half13.11 mi0.68 mi4930-214592-164592-165337(Top 19%)4892(Top 30%)4892(Top 87%)
25K15.53 mi2.42 mi4851+794511+814511+814678(Top 16%)4307(Top 27%)4307(Top 76%)
30K18.64 mi3.11 mi4579+2724264+2474264+2473850(Top 14%)3554(Top 22%)3554(Top 63%)
20M20.00 mi1.36 mi4436+1434132+1324132+1323233(Top 11%)2989(Top 19%)2989(Top 53%)
21M21.00 mi1.00 mi4301+1354003+1294003+1293266(Top 11%)3004(Top 19%)3004(Top 53%)
35K21.75 mi0.75 mi4240+613944+593944+593139(Top 11%)2881(Top 18%)2881(Top 51%)
23M23.00 mi1.25 mi4138+1023847+973847+973177(Top 11%)2897(Top 18%)2897(Top 51%)
24M24.00 mi1.00 mi4041+973756+913756+912707(Top 10%)2481(Top 15%)2481(Top 44%)
40K24.85 mi0.85 mi3950+913669+873669+872660(Top 9%)2417(Top 15%)2417(Top 43%)
25.2M25.20 mi0.35 mi3913+373632+373632+372495(Top 9%)2229(Top 14%)2229(Top 40%)
Finish26.22 mi1.02 mi3777+1363507+1253507+1252441(Top 9%)2221(Top 14%)2221(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4610

Males

4314

M18-39

4314

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4614

Males

4320

M18-39

4320

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4610

Males

4314

M18-39

4314

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4899

Males

4527

M18-39

4527

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5337

Males

4892

M18-39

4892

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4678

Males

4307

M18-39

4307

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3850

Males

3554

M18-39

3554

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3233

Males

2989

M18-39

2989

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3266

Males

3004

M18-39

3004

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3139

Males

2881

M18-39

2881

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3177

Males

2897

M18-39

2897

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2707

Males

2481

M18-39

2481

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2660

Males

2417

M18-39

2417

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2495

Males

2229

M18-39

2229

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2441

Males

2221

M18-39

2221

Passing Analysis

Category:
Athletes Passed
2380
Passed By
398
Net Change
+1982
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5759
5K → 10K61424+590#5759#5169
10K → 15K27641+235#5169#4934
15K → 20K144119+25#4934#4909
20K → Half1536-21#4909#4930
Half → 25K13657+79#4930#4851
25K → 30K31038+272#4851#4579
30K → 20M15310+143#4579#4436
20M → 21M14813+135#4436#4301
21M → 35K7615+61#4301#4240
35K → 23M12422+102#4240#4138
23M → 24M1003+97#4138#4041
24M → 40K998+91#4041#3950
40K → 25.2M425+37#3950#3913
25.2M → Finish1437+136#3913#3777
TOTALS2380398+1982
📊

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