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BOSTON MARATHON 2025

Newton Silva Da Costa

Bib: 6449•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Male)
#0 / 16105
Top 27%
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
20:49
Rank: #5436
Start → 5K
20:49 | 6:42/mi
10K· 6.21 mi
41:35
Rank: #5281 (+155)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:02:24
Rank: #5208 (+73)
10K → 15K
20:49 | 6:42/mi
20K· 12.43 mi
1:23:24
Rank: #5091 (+117)
15K → 20K
21:00 | 6:46/mi
Half· 13.11 mi
1:27:57
Rank: #5078 (+13)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:44:23
Rank: #4967 (+111)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:06:05
Rank: #4857 (+110)
25K → 30K
21:42 | 6:59/mi
20M
2:15:40
Rank: #4802 (+55)
30K → 20M
9:35 | 7:03/mi
21M
2:23:14
Rank: #4780 (+22)
20M → 21M
7:34 | 7:34/mi
35K· 21.75 mi
2:28:28
Rank: #4772 (+8)
21M → 35K
5:14 | 7:00/mi
23M
2:37:27
Rank: #4745 (+27)
35K → 23M
8:59 | 7:10/mi
24M
2:44:23
Rank: #4710 (+35)
23M → 24M
6:56 | 6:56/mi
40K· 24.85 mi
2:50:27
Rank: #4683 (+27)
24M → 40K
6:04 | 7:06/mi
25.2M
2:53:09
Rank: #4684 (-1)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:59:59
Rank: #4682 (+2)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:57
Pace6:43 /mi
2nd Half
Distance13.11 mi
Time1:32:02
Pace7:01 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:4120:496:4220:49
6:42
-
10K
6.21 mi10:46:2741:356:4220:46
6:41
-0:01
15K
9.32 mi11:07:161:02:246:4220:49
6:42
+0:01
20K
12.43 mi11:28:161:23:246:4321:00
6:46
+0:04
Half
13.11 mi11:32:491:27:576:434:33
6:40
-0:06
25K
15.53 mi11:49:151:44:236:4316:26
6:47
+0:07
30K
18.64 mi12:10:572:06:056:4621:42
6:59
+0:12
20M
20.00 mi12:20:322:15:406:479:35
7:03
+0:04
21M
21.00 mi12:28:062:23:146:497:34
7:34
+0:31
35K
21.75 mi12:33:202:28:286:505:14
7:00
-0:34
23M
23.00 mi12:42:192:37:276:518:59
7:10
+0:10
24M
24.00 mi12:49:152:44:236:516:56
6:56
-0:14
40K
24.85 mi12:55:192:50:276:516:04
7:06
+0:10
25.2M
25.20 mi12:58:012:53:096:522:42
7:50
+0:44
Finish
26.22 mi13:04:512:59:596:526:50
6:42
-1:08

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

6:40 /mi

Average Pace

6:52 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:43

94% of race

Time at Steady Pace

10:16

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:25:4120:496:4220:49
6:42
#5436
10K
6.21 mi10:46:2741:356:4220:46
6:41
#5281
15K
9.32 mi11:07:161:02:246:4220:49
6:42
#5208
20K
12.43 mi11:28:161:23:246:4321:00
6:46
#5091
Half
13.11 mi11:32:491:27:576:434:33
6:40
#5078
25K
15.53 mi11:49:151:44:236:4316:26
6:47
#4967
30K
18.64 mi12:10:572:06:056:4621:42
6:59
#4857
20M
20.00 mi12:20:322:15:406:479:35
7:03
#4802
21M
21.00 mi12:28:062:23:146:497:34
7:34
#4780
35K
21.75 mi12:33:202:28:286:505:14
7:00
#4772
23M
23.00 mi12:42:192:37:276:518:59
7:10
#4745
24M
24.00 mi12:49:152:44:236:516:56
6:56
#4710
40K
24.85 mi12:55:192:50:276:516:04
7:06
#4683
25.2M
25.20 mi12:58:012:53:096:522:42
7:50
#4684
Finish
26.22 mi13:04:512:59:596:526:50
6:42
#4682
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5436504650465057(Top 18%)4692(Top 29%)4692(Top 83%)
10K6.21 mi3.10 mi5281+1554900+1464900+1465190(Top 18%)4819(Top 30%)4819(Top 85%)
15K9.32 mi3.11 mi5208+734839+614839+615057(Top 18%)4692(Top 29%)4692(Top 83%)
20K12.43 mi3.11 mi5091+1174730+1094730+1094905(Top 17%)4533(Top 28%)4533(Top 80%)
Half13.11 mi0.68 mi5078+134715+154715+154958(Top 17%)4587(Top 28%)4587(Top 81%)
25K15.53 mi2.42 mi4967+1114611+1044611+1044693(Top 17%)4322(Top 27%)4322(Top 77%)
30K18.64 mi3.11 mi4857+1104492+1194492+1194595(Top 16%)4192(Top 26%)4192(Top 74%)
20M20.00 mi1.36 mi4802+554446+464446+464398(Top 15%)4004(Top 25%)4004(Top 71%)
21M21.00 mi1.00 mi4780+224417+294417+294920(Top 17%)4308(Top 27%)4308(Top 76%)
35K21.75 mi0.75 mi4772+84399+184399+185278(Top 19%)4560(Top 28%)4560(Top 81%)
23M23.00 mi1.25 mi4745+274363+364363+364701(Top 17%)4098(Top 25%)4098(Top 73%)
24M24.00 mi1.00 mi4710+354328+354328+354245(Top 15%)3726(Top 23%)3726(Top 66%)
40K24.85 mi0.85 mi4683+274300+284300+284421(Top 16%)3789(Top 24%)3789(Top 67%)
25.2M25.20 mi0.35 mi4684-14295+54295+54949(Top 17%)4066(Top 25%)4066(Top 72%)
Finish26.22 mi1.02 mi4682+24286+94286+93889(Top 14%)3354(Top 21%)3354(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5057

Males

4692

M18-39

4692

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5190

Males

4819

M18-39

4819

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5057

Males

4692

M18-39

4692

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4905

Males

4533

M18-39

4533

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4958

Males

4587

M18-39

4587

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4693

Males

4322

M18-39

4322

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4595

Males

4192

M18-39

4192

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4398

Males

4004

M18-39

4004

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4920

Males

4308

M18-39

4308

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5278

Males

4560

M18-39

4560

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4701

Males

4098

M18-39

4098

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4245

Males

3726

M18-39

3726

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4421

Males

3789

M18-39

3789

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4949

Males

4066

M18-39

4066

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3889

Males

3354

M18-39

3354

Passing Analysis

Category:
Athletes Passed
1557
Passed By
803
Net Change
+754
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5436
5K → 10K267112+155#5436#5281
10K → 15K16895+73#5281#5208
15K → 20K18568+117#5208#5091
20K → Half2916+13#5091#5078
Half → 25K15443+111#5078#4967
25K → 30K213103+110#4967#4857
30K → 20M9540+55#4857#4802
20M → 21M7755+22#4802#4780
21M → 35K5648+8#4780#4772
35K → 23M10275+27#4772#4745
23M → 24M7237+35#4745#4710
24M → 40K6942+27#4710#4683
40K → 25.2M2829-1#4683#4684
25.2M → Finish4240+2#4684#4682
TOTALS1557803+754
📊

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