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BOSTON MARATHON 2025

Carlos Szilard

Bib: 31319•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:09
Rank: #22681
Start → 5K
28:09 | 9:04/mi
10K· 6.21 mi
55:48
Rank: #22346 (+335)
5K → 10K
27:39 | 8:54/mi
15K· 9.32 mi
1:23:04
Rank: #21868 (+478)
10K → 15K
27:16 | 8:47/mi
20K· 12.43 mi
1:50:38
Rank: #21454 (+414)
15K → 20K
27:34 | 8:52/mi
Half· 13.11 mi
1:56:36
Rank: #21408 (+46)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:18:11
Rank: #21074 (+334)
Half → 25K
21:35 | 8:54/mi
30K· 18.64 mi
2:47:41
Rank: #20848 (+226)
25K → 30K
29:30 | 9:30/mi
20M
3:00:22
Rank: #20637 (+211)
30K → 20M
12:41 | 9:20/mi
21M
3:10:29
Rank: #20518 (+119)
20M → 21M
10:07 | 10:07/mi
35K· 21.75 mi
3:17:08
Rank: #20423 (+95)
21M → 35K
6:39 | 8:53/mi
23M
3:28:46
Rank: #20273 (+150)
35K → 23M
11:38 | 9:17/mi
24M
3:38:00
Rank: #20211 (+62)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
3:45:59
Rank: #20136 (+75)
24M → 40K
7:59 | 9:20/mi
25.2M
3:49:36
Rank: #20125 (+11)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:58:35
Rank: #20072 (+53)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:36
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:01:59
Pace9:18 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:3728:099:0428:09
9:04
-
10K
6.21 mi12:19:1655:488:5927:39
8:54
-0:10
15K
9.32 mi12:46:321:23:048:5527:16
8:47
-0:07
20K
12.43 mi13:14:061:50:388:5427:34
8:52
+0:05
Half
13.11 mi13:20:041:56:368:545:58
8:45
-0:07
25K
15.53 mi13:41:392:18:118:5421:35
8:54
+0:09
30K
18.64 mi14:11:092:47:419:0029:30
9:30
+0:36
20M
20.00 mi14:23:503:00:229:0112:41
9:20
-0:10
21M
21.00 mi14:33:573:10:299:0410:07
10:07
+0:47
35K
21.75 mi14:40:363:17:089:046:39
8:53
-1:14
23M
23.00 mi14:52:143:28:469:0511:38
9:17
+0:24
24M
24.00 mi15:01:283:38:009:059:14
9:14
-0:03
40K
24.85 mi15:09:273:45:599:067:59
9:20
+0:06
25.2M
25.20 mi15:13:043:49:369:073:37
10:29
+1:09
Finish
26.22 mi15:22:033:58:359:068:59
8:49
-1:40

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

8:45 /mi

Average Pace

9:06 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:44:51

94% of race

Time at Steady Pace

10:07

4% of race

Time at Slower Pace

3:37

2% of race

Average Pace: 9:06 /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 mi11:51:3728:099:0428:09
9:04
#22681
10K
6.21 mi12:19:1655:488:5927:39
8:54
#22346
15K
9.32 mi12:46:321:23:048:5527:16
8:47
#21868
20K
12.43 mi13:14:061:50:388:5427:34
8:52
#21454
Half
13.11 mi13:20:041:56:368:545:58
8:45
#21408
25K
15.53 mi13:41:392:18:118:5421:35
8:54
#21074
30K
18.64 mi14:11:092:47:419:0029:30
9:30
#20848
20M
20.00 mi14:23:503:00:229:0112:41
9:20
#20637
21M
21.00 mi14:33:573:10:299:0410:07
10:07
#20518
35K
21.75 mi14:40:363:17:089:046:39
8:53
#20423
23M
23.00 mi14:52:143:28:469:0511:38
9:17
#20273
24M
24.00 mi15:01:283:38:009:059:14
9:14
#20211
40K
24.85 mi15:09:273:45:599:067:59
9:20
#20136
25.2M
25.20 mi15:13:043:49:369:073:37
10:29
#20125
Finish
26.22 mi15:22:033:58:359:068:59
8:49
#20072
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi22681136191361920903(Top 74%)12900(Top 80%)12900(Top 541%)
10K6.21 mi3.10 mi22346+33513478+14113478+14121917(Top 77%)13303(Top 83%)13303(Top 558%)
15K9.32 mi3.11 mi21868+47813279+19913279+19920903(Top 74%)12900(Top 80%)12900(Top 541%)
20K12.43 mi3.11 mi21454+41413103+17613103+17620335(Top 72%)12606(Top 78%)12606(Top 528%)
Half13.11 mi0.68 mi21408+4613080+2313080+2320596(Top 73%)12722(Top 79%)12722(Top 533%)
25K15.53 mi2.42 mi21074+33412936+14412936+14419432(Top 68%)12159(Top 75%)12159(Top 510%)
30K18.64 mi3.11 mi20848+22612779+15712779+15719919(Top 70%)12250(Top 76%)12250(Top 513%)
20M20.00 mi1.36 mi20637+21112670+10912670+10918434(Top 65%)11422(Top 71%)11422(Top 479%)
21M21.00 mi1.00 mi20518+11912599+7112599+7118722(Top 66%)11486(Top 71%)11486(Top 481%)
35K21.75 mi0.75 mi20423+9512544+5512544+5517693(Top 62%)10919(Top 68%)10919(Top 458%)
23M23.00 mi1.25 mi20273+15012448+9612448+9617733(Top 62%)10837(Top 67%)10837(Top 454%)
24M24.00 mi1.00 mi20211+6212397+5112397+5118501(Top 65%)11165(Top 69%)11165(Top 468%)
40K24.85 mi0.85 mi20136+7512343+5412343+5418016(Top 63%)10842(Top 67%)10842(Top 454%)
25.2M25.20 mi0.35 mi20125+1112329+1412329+1418938(Top 67%)11293(Top 70%)11293(Top 473%)
Finish26.22 mi1.02 mi20072+5312299+3012299+3018128(Top 64%)10935(Top 68%)10935(Top 458%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

20903

Males

12900

M45-49

12900

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

21917

Males

13303

M45-49

13303

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

20903

Males

12900

M45-49

12900

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

20335

Males

12606

M45-49

12606

20K→Half

12.4 - 13.1 mi

Top 73%
×2stories
+19ft-37ft

Overall

20596

Males

12722

M45-49

12722

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

19432

Males

12159

M45-49

12159

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19919

Males

12250

M45-49

12250

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

18434

Males

11422

M45-49

11422

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18722

Males

11486

M45-49

11486

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

17693

Males

10919

M45-49

10919

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17733

Males

10837

M45-49

10837

23M→24M

23.0 - 24.0 mi

Top 65%
×6stories
+12ft-82ft

Overall

18501

Males

11165

M45-49

11165

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

18016

Males

10842

M45-49

10842

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18938

Males

11293

M45-49

11293

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18128

Males

10935

M45-49

10935

Passing Analysis

Category:
Athletes Passed
3103
Passed By
494
Net Change
+2609
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22681
5K → 10K462127+335#22681#22346
10K → 15K51234+478#22346#21868
15K → 20K44329+414#21868#21454
20K → Half5711+46#21454#21408
Half → 25K34713+334#21408#21074
25K → 30K327101+226#21074#20848
30K → 20M22211+211#20848#20637
20M → 21M14526+119#20637#20518
21M → 35K10813+95#20518#20423
35K → 23M17323+150#20423#20273
23M → 24M8321+62#20273#20211
24M → 40K10126+75#20211#20136
40K → 25.2M2817+11#20136#20125
25.2M → Finish9542+53#20125#20072
TOTALS3103494+2609
📊

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