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BOSTON MARATHON 2025

Kevin D'Emic

Bib: 6560•M

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
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
20:36
Rank: #4848
Start → 5K
20:36 | 6:38/mi
10K· 6.21 mi
41:17
Rank: #4859 (-11)
5K → 10K
20:41 | 6:39/mi
15K· 9.32 mi
1:02:08
Rank: #4925 (-66)
10K → 15K
20:51 | 6:43/mi
20K· 12.43 mi
1:24:48
Rank: #6143 (-1218)
15K → 20K
22:40 | 7:18/mi
Half· 13.11 mi
1:29:32
Rank: #6214 (-71)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:47:37
Rank: #6780 (-566)
Half → 25K
18:05 | 7:27/mi
30K· 18.64 mi
2:10:43
Rank: #6746 (+34)
25K → 30K
23:06 | 7:26/mi
20M
2:20:39
Rank: #6584 (+162)
30K → 20M
9:56 | 7:19/mi
21M
2:28:07
Rank: #6399 (+185)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:33:23
Rank: #6332 (+67)
21M → 35K
5:16 | 7:02/mi
23M
2:42:04
Rank: #6090 (+242)
35K → 23M
8:41 | 6:56/mi
24M
2:48:28
Rank: #5814 (+276)
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:53:49
Rank: #5532 (+282)
24M → 40K
5:21 | 6:15/mi
25.2M
2:56:10
Rank: #5411 (+121)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
3:02:08
Rank: #5148 (+263)
25.2M → Finish
5:58 | 5:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:32
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:32:36
Pace7:04 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2120:366:3820:36
6:38
-
10K
6.21 mi10:46:0241:176:3920:41
6:39
+0:01
15K
9.32 mi11:06:531:02:086:4020:51
6:43
+0:04
20K
12.43 mi11:29:331:24:486:4922:40
7:18
+0:35
Half
13.11 mi11:34:171:29:326:504:44
6:56
-0:22
25K
15.53 mi11:52:221:47:376:5618:05
7:27
+0:31
30K
18.64 mi12:15:282:10:437:0123:06
7:26
-0:01
20M
20.00 mi12:25:242:20:397:029:56
7:19
-0:07
21M
21.00 mi12:32:522:28:077:037:28
7:28
+0:09
35K
21.75 mi12:38:082:33:237:035:16
7:02
-0:26
23M
23.00 mi12:46:492:42:047:038:41
6:56
-0:06
24M
24.00 mi12:53:132:48:287:016:24
6:24
-0:32
40K
24.85 mi12:58:342:53:497:005:21
6:15
-0:09
25.2M
25.20 mi13:00:552:56:106:592:21
6:49
+0:34
Finish
26.22 mi13:06:533:02:086:575:58
5:51
-0:58

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

5:51 /mi

Average Pace

6:57 /mi

Slowest Pace

7:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:00

32% of race

Time at Steady Pace

41:53

23% of race

Time at Slower Pace

1:21:15

45% of race

Average Pace: 6:57 /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 mi10:25:2120:366:3820:36
6:38
#4848
10K
6.21 mi10:46:0241:176:3920:41
6:39
#4859
15K
9.32 mi11:06:531:02:086:4020:51
6:43
#4925
20K
12.43 mi11:29:331:24:486:4922:40
7:18
#6143
Half
13.11 mi11:34:171:29:326:504:44
6:56
#6214
25K
15.53 mi11:52:221:47:376:5618:05
7:27
#6780
30K
18.64 mi12:15:282:10:437:0123:06
7:26
#6746
20M
20.00 mi12:25:242:20:397:029:56
7:19
#6584
21M
21.00 mi12:32:522:28:077:037:28
7:28
#6399
35K
21.75 mi12:38:082:33:237:035:16
7:02
#6332
23M
23.00 mi12:46:492:42:047:038:41
6:56
#6090
24M
24.00 mi12:53:132:48:287:016:24
6:24
#5814
40K
24.85 mi12:58:342:53:497:005:21
6:15
#5532
25.2M
25.20 mi13:00:552:56:106:592:21
6:49
#5411
Finish
26.22 mi13:06:533:02:086:575:58
5:51
#5148
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4848453845385171(Top 18%)4784(Top 30%)4784(Top 85%)
10K6.21 mi3.10 mi4859-114540-24540-24940(Top 17%)4610(Top 29%)4610(Top 82%)
15K9.32 mi3.11 mi4925-664594-544594-545171(Top 18%)4784(Top 30%)4784(Top 85%)
20K12.43 mi3.11 mi6143-12185601-10075601-10079004(Top 32%)7447(Top 46%)7447(Top 132%)
Half13.11 mi0.68 mi6214-715651-505651-507083(Top 25%)6260(Top 39%)6260(Top 111%)
25K15.53 mi2.42 mi6780-5666084-4336084-4339584(Top 34%)7635(Top 47%)7635(Top 135%)
30K18.64 mi3.11 mi6746+346017+676017+677251(Top 26%)6116(Top 38%)6116(Top 108%)
20M20.00 mi1.36 mi6584+1625871+1465871+1465825(Top 21%)5068(Top 31%)5068(Top 90%)
21M21.00 mi1.00 mi6399+1855716+1555716+1554434(Top 16%)3952(Top 25%)3952(Top 70%)
35K21.75 mi0.75 mi6332+675652+645652+645585(Top 20%)4773(Top 30%)4773(Top 85%)
23M23.00 mi1.25 mi6090+2425447+2055447+2053407(Top 12%)3095(Top 19%)3095(Top 55%)
24M24.00 mi1.00 mi5814+2765218+2295218+2291664(Top 6%)1551(Top 10%)1551(Top 27%)
40K24.85 mi0.85 mi5532+2824992+2264992+226884(Top 3%)830(Top 5%)830(Top 15%)
25.2M25.20 mi0.35 mi5411+1214888+1044888+1041043(Top 4%)961(Top 6%)961(Top 17%)
Finish26.22 mi1.02 mi5148+2634670+2184670+218609(Top 2%)571(Top 4%)571(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5171

Males

4784

M18-39

4784

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4940

Males

4610

M18-39

4610

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5171

Males

4784

M18-39

4784

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9004

Males

7447

M18-39

7447

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7083

Males

6260

M18-39

6260

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9584

Males

7635

M18-39

7635

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

7251

Males

6116

M18-39

6116

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5825

Males

5068

M18-39

5068

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4434

Males

3952

M18-39

3952

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5585

Males

4773

M18-39

4773

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3407

Males

3095

M18-39

3095

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1664

Males

1551

M18-39

1551

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

884

Males

830

M18-39

830

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1043

Males

961

M18-39

961

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

609

Males

571

M18-39

571

Passing Analysis

Category:
Athletes Passed
2141
Passed By
2441
Net Change
-300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4848
5K → 10K164175-11#4848#4859
10K → 15K87153-66#4859#4925
15K → 20K101228-1218#4925#6143
20K → Half1485-71#6143#6214
Half → 25K33599-566#6214#6780
25K → 30K196162+34#6780#6746
30K → 20M18119+162#6746#6584
20M → 21M1894+185#6584#6399
21M → 35K7710+67#6399#6332
35K → 23M2475+242#6332#6090
23M → 24M2771+276#6090#5814
24M → 40K2820+282#5814#5532
40K → 25.2M1210+121#5532#5411
25.2M → Finish2630+263#5411#5148
TOTALS21412441-300
📊

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