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BOSTON MARATHON 2025

Omar Silva Arce

Bib: 31631•M

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:34/mi
26:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:20/mi
52:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:23/mi
1:18:31
↑ 67↓ 78
20K· 12.43 mi
8:32/mi
1:45:01
↑ 106↓ 860.1%
Half· 13.11 mi
8:29/mi
1:50:48
↑ 19↓ 370.5%
25K· 15.53 mi
8:42/mi
2:11:54
↑ 66↓ 880.2%
30K· 18.64 mi
8:58/mi
2:39:45
↑ 181↓ 1480.2%
20M
9:07/mi
2:52:09
↑ 64↓ 500.2%
21M
9:25/mi
3:01:34
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
3:08:03
↑ 17↓ 861.7%
23M
9:13/mi
3:19:35
↑ 23↓ 630.6%
24M
8:55/mi
3:28:30
↓ 821.3%
40K· 24.85 mi
9:06/mi
3:36:17
↓ 200.3%
25.2M
9:49/mi
3:39:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:48:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:48
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:57:24
Pace8:57 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5726:378:3426:37
8:34
-
10K
6.21 mi12:14:4952:298:2725:52
8:20
-0:14
15K
9.32 mi12:40:511:18:318:2526:02
8:23
+0:03
20K
12.43 mi13:07:211:45:018:2726:30
8:32
+0:09
Half
13.11 mi13:13:081:50:488:275:47
8:29
-0:03
25K
15.53 mi13:34:142:11:548:2921:06
8:42
+0:13
30K
18.64 mi14:02:052:39:458:3427:51
8:58
+0:16
20M
20.00 mi14:14:292:52:098:3612:24
9:07
+0:09
21M
21.00 mi14:23:543:01:348:399:25
9:25
+0:18
35K
21.75 mi14:30:233:08:038:396:29
8:40
-0:45
23M
23.00 mi14:41:553:19:358:4111:32
9:13
+0:33
24M
24.00 mi14:50:503:28:308:418:55
8:55
-0:18
40K
24.85 mi14:58:373:36:178:427:47
9:06
+0:11
25.2M
25.20 mi15:02:003:39:408:433:23
9:49
+0:43
Finish
26.22 mi15:10:323:48:128:438:32
8:22
-1:27

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

8:20 /mi

Average Pace

8:43 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:52

89% of race

Time at Steady Pace

24:20

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:42 /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 mi11:48:5726:378:3426:37
8:34
#20275
10K
6.21 mi12:14:4952:298:2725:52
8:20
#19508
15K
9.32 mi12:40:511:18:318:2526:02
8:23
#19178
20K
12.43 mi13:07:211:45:018:2726:30
8:32
#18956
Half
13.11 mi13:13:081:50:488:275:47
8:29
#18967
25K
15.53 mi13:34:142:11:548:2921:06
8:42
#18852
30K
18.64 mi14:02:052:39:458:3427:51
8:58
#18567
20M
20.00 mi14:14:292:52:098:3612:24
9:07
#18475
21M
21.00 mi14:23:543:01:348:399:25
9:25
#18280
35K
21.75 mi14:30:233:08:038:396:29
8:40
#18207
23M
23.00 mi14:41:553:19:358:4111:32
9:13
#18150
24M
24.00 mi14:50:503:28:308:418:55
8:55
#18078
40K
24.85 mi14:58:373:36:178:427:47
9:06
#18026
25.2M
25.20 mi15:02:003:39:408:433:23
9:49
#17995
Finish
26.22 mi15:10:323:48:128:438:32
8:22
#17892
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20275125511255118564(Top 65%)11870(Top 74%)11870(Top 210%)
10K6.21 mi3.10 mi19508+76712264+28712264+28718705(Top 66%)11943(Top 74%)11943(Top 212%)
15K9.32 mi3.11 mi19178+33012123+14112123+14118564(Top 65%)11870(Top 74%)11870(Top 210%)
20K12.43 mi3.11 mi18956+22212023+10012023+10018425(Top 65%)11789(Top 73%)11789(Top 209%)
Half13.11 mi0.68 mi18967-1112022+112022+118992(Top 67%)12032(Top 75%)12032(Top 213%)
25K15.53 mi2.42 mi18852+11511972+5011972+5018388(Top 65%)11691(Top 73%)11691(Top 207%)
30K18.64 mi3.11 mi18567+28511819+15311819+15317479(Top 62%)11140(Top 69%)11140(Top 197%)
20M20.00 mi1.36 mi18475+9211741+7811741+7817418(Top 61%)10992(Top 68%)10992(Top 195%)
21M21.00 mi1.00 mi18280+19511630+11111630+11115705(Top 55%)10114(Top 63%)10114(Top 179%)
35K21.75 mi0.75 mi18207+7311576+5411576+5416456(Top 58%)10379(Top 64%)10379(Top 184%)
23M23.00 mi1.25 mi18150+5711521+5511521+5517376(Top 61%)10686(Top 66%)10686(Top 189%)
24M24.00 mi1.00 mi18078+7211470+5111470+5116915(Top 60%)10423(Top 65%)10423(Top 185%)
40K24.85 mi0.85 mi18026+5211418+5211418+5216864(Top 59%)10310(Top 64%)10310(Top 183%)
25.2M25.20 mi0.35 mi17995+3111394+2411394+2416116(Top 57%)9941(Top 62%)9941(Top 176%)
Finish26.22 mi1.02 mi17892+10311331+6311331+6315381(Top 54%)9661(Top 60%)9661(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18564

Males

11870

M18-39

11870

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18705

Males

11943

M18-39

11943

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18564

Males

11870

M18-39

11870

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18425

Males

11789

M18-39

11789

20K→Half

12.4 - 13.1 mi

Top 67%
×2story building
+19ft-37ft

Overall

18992

Males

12032

M18-39

12032

Half→25K

13.1 - 15.5 mi

Top 65%
×4story building
+66ft-88ft

Overall

18388

Males

11691

M18-39

11691

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17479

Males

11140

M18-39

11140

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17418

Males

10992

M18-39

10992

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

15705

Males

10114

M18-39

10114

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

16456

Males

10379

M18-39

10379

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17376

Males

10686

M18-39

10686

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

16915

Males

10423

M18-39

10423

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16864

Males

10310

M18-39

10310

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

16116

Males

9941

M18-39

9941

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15381

Males

9661

M18-39

9661

Passing Analysis

Category:
Athletes Passed
3128
Passed By
745
Net Change
+2383
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20275
5K → 10K82659+767#20275#19508
10K → 15K40171+330#19508#19178
15K → 20K30886+222#19178#18956
20K → Half2435-11#18956#18967
Half → 25K21398+115#18967#18852
25K → 30K388103+285#18852#18567
30K → 20M15563+92#18567#18475
20M → 21M21419+195#18475#18280
21M → 35K9219+73#18280#18207
35K → 23M12972+57#18207#18150
23M → 24M10836+72#18150#18078
24M → 40K9240+52#18078#18026
40K → 25.2M4413+31#18026#17995
25.2M → Finish13431+103#17995#17892
TOTALS3128745+2383
📊

Passing Visuals

Category:
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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