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BOSTON MARATHON 2025

Anthony Demarco

Bib: 28941•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
29:26
Rank: #24173
Start → 5K
29:26 | 9:28/mi
10K· 6.21 mi
1:00:56
Rank: #24990 (-817)
5K → 10K
31:30 | 10:08/mi
15K· 9.32 mi
1:32:02
Rank: #24982 (+8)
10K → 15K
31:06 | 10:01/mi
20K· 12.43 mi
2:06:08
Rank: #25340 (-358)
15K → 20K
34:06 | 10:59/mi
Half· 13.11 mi
2:12:53
Rank: #25287 (+53)
20K → Half
6:45 | 9:54/mi
25K· 15.53 mi
2:38:27
Rank: #25112 (+175)
Half → 25K
25:34 | 10:33/mi
30K· 18.64 mi
3:12:30
Rank: #24922 (+190)
25K → 30K
34:03 | 10:58/mi
20M
3:27:58
Rank: #24883 (+39)
30K → 20M
15:28 | 11:23/mi
21M
3:39:42
Rank: #24784 (+99)
20M → 21M
11:44 | 11:44/mi
35K· 21.75 mi
3:47:27
Rank: #24731 (+53)
21M → 35K
7:45 | 10:22/mi
23M
4:01:10
Rank: #24665 (+66)
35K → 23M
13:43 | 10:57/mi
24M
4:12:45
Rank: #24669 (-4)
23M → 24M
11:35 | 11:35/mi
40K· 24.85 mi
4:22:02
Rank: #24631 (+38)
24M → 40K
9:17 | 10:51/mi
25.2M
4:26:03
Rank: #24603 (+28)
40K → 25.2M
4:01 | 11:39/mi
Finish· 26.22 mi
4:36:37
Rank: #24580 (+23)
25.2M → Finish
10:34 | 10:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:53
Pace10:08 /mi
2nd Half
Distance13.11 mi
Time2:23:44
Pace10:58 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:1129:269:2829:26
9:28
-
10K
6.21 mi12:27:411:00:569:4831:30
10:08
+0:40
15K
9.32 mi12:58:471:32:029:5231:06
10:01
-0:07
20K
12.43 mi13:32:532:06:0810:0934:06
10:59
+0:58
Half
13.11 mi13:39:382:12:5310:086:45
9:54
-1:05
25K
15.53 mi14:05:122:38:2710:1225:34
10:33
+0:39
30K
18.64 mi14:39:153:12:3010:2034:03
10:58
+0:25
20M
20.00 mi14:54:433:27:5810:2415:28
11:23
+0:25
21M
21.00 mi15:06:273:39:4210:2811:44
11:44
+0:21
35K
21.75 mi15:14:123:47:2710:287:45
10:22
-1:22
23M
23.00 mi15:27:554:01:1010:2913:43
10:57
+0:35
24M
24.00 mi15:39:304:12:4510:3211:35
11:35
+0:38
40K
24.85 mi15:48:474:22:0210:339:17
10:51
-0:44
25.2M
25.20 mi15:52:484:26:0310:334:01
11:39
+0:48
Finish
26.22 mi16:03:224:36:3710:3310:34
10:22
-1:17

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

9:28 /mi

Average Pace

10:33 /mi

Slowest Pace

11:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:06

42% of race

Time at Steady Pace

1:56:43

42% of race

Time at Slower Pace

42:48

15% of race

Average Pace: 10:33 /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 mi11:56:1129:269:2829:26
9:28
#24173
10K
6.21 mi12:27:411:00:569:4831:30
10:08
#24990
15K
9.32 mi12:58:471:32:029:5231:06
10:01
#24982
20K
12.43 mi13:32:532:06:0810:0934:06
10:59
#25340
Half
13.11 mi13:39:382:12:5310:086:45
9:54
#25287
25K
15.53 mi14:05:122:38:2710:1225:34
10:33
#25112
30K
18.64 mi14:39:153:12:3010:2034:03
10:58
#24922
20M
20.00 mi14:54:433:27:5810:2415:28
11:23
#24883
21M
21.00 mi15:06:273:39:4210:2811:44
11:44
#24784
35K
21.75 mi15:14:123:47:2710:287:45
10:22
#24731
23M
23.00 mi15:27:554:01:1010:2913:43
10:57
#24665
24M
24.00 mi15:39:304:12:4510:3211:35
11:35
#24669
40K
24.85 mi15:48:474:22:0210:339:17
10:51
#24631
25.2M
25.20 mi15:52:484:26:0310:334:01
11:39
#24603
Finish
26.22 mi16:03:224:36:3710:3310:34
10:22
#24580
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24173143281432825007(Top 88%)14728(Top 91%)14728(Top 261%)
10K6.21 mi3.10 mi24990-81714699-37114699-37125597(Top 90%)14954(Top 93%)14954(Top 265%)
15K9.32 mi3.11 mi24982+814709-1014709-1025007(Top 88%)14728(Top 91%)14728(Top 261%)
20K12.43 mi3.11 mi25340-35814848-13914848-13925955(Top 91%)15100(Top 94%)15100(Top 268%)
Half13.11 mi0.68 mi25287+5314822+2614822+2624593(Top 87%)14481(Top 90%)14481(Top 257%)
25K15.53 mi2.42 mi25112+17514733+8914733+8924453(Top 86%)14400(Top 89%)14400(Top 255%)
30K18.64 mi3.11 mi24922+19014623+11014623+11023934(Top 84%)14040(Top 87%)14040(Top 249%)
20M20.00 mi1.36 mi24883+3914587+3614587+3624332(Top 86%)14139(Top 88%)14139(Top 251%)
21M21.00 mi1.00 mi24784+9914538+4914538+4923092(Top 81%)13498(Top 84%)13498(Top 239%)
35K21.75 mi0.75 mi24731+5314505+3314505+3322846(Top 80%)13327(Top 83%)13327(Top 236%)
23M23.00 mi1.25 mi24665+6614449+5614449+5623122(Top 81%)13392(Top 83%)13392(Top 237%)
24M24.00 mi1.00 mi24669-414443+614443+625033(Top 88%)14323(Top 89%)14323(Top 254%)
40K24.85 mi0.85 mi24631+3814410+3314410+3322814(Top 80%)13154(Top 82%)13154(Top 233%)
25.2M25.20 mi0.35 mi24603+2814397+1314397+1322440(Top 79%)13018(Top 81%)13018(Top 231%)
Finish26.22 mi1.02 mi24580+2314377+2014377+2023964(Top 84%)13750(Top 85%)13750(Top 244%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21stories
+97ft-345ft

Overall

25007

Males

14728

M18-39

14728

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25597

Males

14954

M18-39

14954

10K→15K

6.2 - 9.3 mi

Top 88%
×3stories
+67ft-78ft

Overall

25007

Males

14728

M18-39

14728

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

25955

Males

15100

M18-39

15100

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24593

Males

14481

M18-39

14481

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

24453

Males

14400

M18-39

14400

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

23934

Males

14040

M18-39

14040

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24332

Males

14139

M18-39

14139

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

23092

Males

13498

M18-39

13498

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22846

Males

13327

M18-39

13327

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

23122

Males

13392

M18-39

13392

23M→24M

23.0 - 24.0 mi

Top 88%
×6stories
+12ft-82ft

Overall

25033

Males

14323

M18-39

14323

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22814

Males

13154

M18-39

13154

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

22440

Males

13018

M18-39

13018

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

23964

Males

13750

M18-39

13750

Passing Analysis

Category:
Athletes Passed
1183
Passed By
1590
Net Change
-407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24173
5K → 10K33850-817#24173#24990
10K → 15K131123+8#24990#24982
15K → 20K43401-358#24982#25340
20K → Half563+53#25340#25287
Half → 25K19621+175#25287#25112
25K → 30K22636+190#25112#24922
30K → 20M7637+39#24922#24883
20M → 21M11314+99#24883#24784
21M → 35K574+53#24784#24731
35K → 23M8519+66#24731#24665
23M → 24M3640-4#24665#24669
24M → 40K6123+38#24669#24631
40K → 25.2M313+28#24631#24603
25.2M → Finish3916+23#24603#24580
TOTALS11831590-407
📊

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