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BOSTON MARATHON 2025

James Emery

Bib: 3132•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 30%
Masters (Masters Men)
#0 / 10463
Top 16%
Division (M40-44)
#0 / 2247
Top 39%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:50
Rank: #3011
Start → 5K
19:50 | 6:23/mi
10K· 6.21 mi
39:26
Rank: #2714 (+297)
5K → 10K
19:36 | 6:19/mi
15K· 9.32 mi
59:22
Rank: #2810 (-96)
10K → 15K
19:56 | 6:25/mi
20K· 12.43 mi
1:20:36
Rank: #3405 (-595)
15K → 20K
21:14 | 6:50/mi
Half· 13.11 mi
1:25:14
Rank: #3523 (-118)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:41:45
Rank: #3694 (-171)
Half → 25K
16:31 | 6:49/mi
30K· 18.64 mi
2:06:29
Rank: #5033 (-1339)
25K → 30K
24:44 | 7:58/mi
20M
2:16:00
Rank: #4920 (+113)
30K → 20M
9:31 | 7:00/mi
21M
2:23:37
Rank: #4938 (-18)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:29:08
Rank: #5038 (-100)
21M → 35K
5:31 | 7:22/mi
23M
2:38:37
Rank: #5169 (-131)
35K → 23M
9:29 | 7:34/mi
24M
2:46:18
Rank: #5295 (-126)
23M → 24M
7:41 | 7:41/mi
40K· 24.85 mi
2:52:56
Rank: #5336 (-41)
24M → 40K
6:38 | 7:45/mi
25.2M
2:55:52
Rank: #5352 (-16)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:03:17
Rank: #5368 (-16)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:14
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:38:03
Pace7:29 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5519:506:2319:50
6:23
-
10K
6.21 mi10:40:3139:266:2119:36
6:19
-0:04
15K
9.32 mi11:00:2759:226:2219:56
6:25
+0:06
20K
12.43 mi11:21:411:20:366:2921:14
6:50
+0:25
Half
13.11 mi11:26:191:25:146:304:38
6:47
-0:03
25K
15.53 mi11:42:501:41:456:3316:31
6:49
+0:02
30K
18.64 mi12:07:342:06:296:4724:44
7:58
+1:09
20M
20.00 mi12:17:052:16:006:489:31
7:00
-0:58
21M
21.00 mi12:24:422:23:376:507:37
7:37
+0:37
35K
21.75 mi12:30:132:29:086:515:31
7:22
-0:15
23M
23.00 mi12:39:422:38:376:549:29
7:34
+0:12
24M
24.00 mi12:47:232:46:186:567:41
7:41
+0:07
40K
24.85 mi12:54:012:52:566:576:38
7:45
+0:04
25.2M
25.20 mi12:56:572:55:526:592:56
8:30
+0:45
Finish
26.22 mi13:04:223:03:177:007:25
7:17
-1:13

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

6:19 /mi

Average Pace

7:00 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:45

56% of race

Time at Steady Pace

31:56

17% of race

Time at Slower Pace

49:36

27% of race

Average Pace: 6:59 /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 mi10:20:5519:506:2319:50
6:23
#3011
10K
6.21 mi10:40:3139:266:2119:36
6:19
#2714
15K
9.32 mi11:00:2759:226:2219:56
6:25
#2810
20K
12.43 mi11:21:411:20:366:2921:14
6:50
#3405
Half
13.11 mi11:26:191:25:146:304:38
6:47
#3523
25K
15.53 mi11:42:501:41:456:3316:31
6:49
#3694
30K
18.64 mi12:07:342:06:296:4724:44
7:58
#5033
20M
20.00 mi12:17:052:16:006:489:31
7:00
#4920
21M
21.00 mi12:24:422:23:376:507:37
7:37
#4938
35K
21.75 mi12:30:132:29:086:515:31
7:22
#5038
23M
23.00 mi12:39:422:38:376:549:29
7:34
#5169
24M
24.00 mi12:47:232:46:186:567:41
7:41
#5295
40K
24.85 mi12:54:012:52:566:576:38
7:45
#5336
25.2M
25.20 mi12:56:572:55:526:592:56
8:30
#5352
Finish
26.22 mi13:04:223:03:177:007:25
7:17
#5368
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3011286428643045(Top 11%)2902(Top 18%)2902(Top 129%)
10K6.21 mi3.10 mi2714+2972585+2792585+2792480(Top 9%)2370(Top 15%)2370(Top 105%)
15K9.32 mi3.11 mi2810-962679-942679-943045(Top 11%)2902(Top 18%)2902(Top 129%)
20K12.43 mi3.11 mi3405-5953231-5523231-5525641(Top 20%)5144(Top 32%)5144(Top 229%)
Half13.11 mi0.68 mi3523-1183338-1073338-1076066(Top 21%)5487(Top 34%)5487(Top 244%)
25K15.53 mi2.42 mi3694-1713489-1513489-1514970(Top 17%)4564(Top 28%)4564(Top 203%)
30K18.64 mi3.11 mi5033-13394638-11494638-114911086(Top 39%)8221(Top 51%)8221(Top 366%)
20M20.00 mi1.36 mi4920+1134543+954543+954130(Top 15%)3783(Top 23%)3783(Top 168%)
21M21.00 mi1.00 mi4938-184551-84551-85212(Top 18%)4533(Top 28%)4533(Top 202%)
35K21.75 mi0.75 mi5038-1004626-754626-757674(Top 27%)6091(Top 38%)6091(Top 271%)
23M23.00 mi1.25 mi5169-1314726-1004726-1007054(Top 25%)5607(Top 35%)5607(Top 250%)
24M24.00 mi1.00 mi5295-1264820-944820-948978(Top 32%)6629(Top 41%)6629(Top 295%)
40K24.85 mi0.85 mi5336-414841-214841-218433(Top 30%)6207(Top 39%)6207(Top 276%)
25.2M25.20 mi0.35 mi5352-164843-24843-28746(Top 31%)6305(Top 39%)6305(Top 281%)
Finish26.22 mi1.02 mi5368-164842+14842+17590(Top 27%)5670(Top 35%)5670(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3045

Males

2902

M40-44

2902

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2480

Males

2370

M40-44

2370

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3045

Males

2902

M40-44

2902

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5641

Males

5144

M40-44

5144

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

6066

Males

5487

M40-44

5487

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4970

Males

4564

M40-44

4564

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

11086

Males

8221

M40-44

8221

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4130

Males

3783

M40-44

3783

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

5212

Males

4533

M40-44

4533

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7674

Males

6091

M40-44

6091

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7054

Males

5607

M40-44

5607

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8978

Males

6629

M40-44

6629

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8433

Males

6207

M40-44

6207

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8746

Males

6305

M40-44

6305

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7590

Males

5670

M40-44

5670

Passing Analysis

Category:
Athletes Passed
838
Passed By
3195
Net Change
-2357
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3011
5K → 10K32629+297#3011#2714
10K → 15K44140-96#2714#2810
15K → 20K11606-595#2810#3405
20K → Half1119-118#3405#3523
Half → 25K39210-171#3523#3694
25K → 30K151354-1339#3694#5033
30K → 20M13320+113#5033#4920
20M → 21M6583-18#4920#4938
21M → 35K29129-100#4938#5038
35K → 23M61192-131#5038#5169
23M → 24M19145-126#5169#5295
24M → 40K4081-41#5295#5336
40K → 25.2M1531-16#5336#5352
25.2M → Finish4056-16#5352#5368
TOTALS8383195-2357
📊

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