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BOSTON MARATHON 2025

Marcel Siegrist

Bib: 17526•M

Masters
Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 50%
Age Group (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
25:40
Rank: #18471
Start → 5K
25:40 | 8:16/mi
10K· 6.21 mi
50:07
Rank: #17000 (+1471)
5K → 10K
24:27 | 7:52/mi
15K· 9.32 mi
1:14:53
Rank: #16586 (+414)
10K → 15K
24:46 | 7:58/mi
20K· 12.43 mi
1:38:58
Rank: #15662 (+924)
15K → 20K
24:05 | 7:45/mi
Half· 13.11 mi
1:44:06
Rank: #15447 (+215)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
2:02:50
Rank: #14783 (+664)
Half → 25K
18:44 | 7:44/mi
30K· 18.64 mi
2:27:59
Rank: #14173 (+610)
25K → 30K
25:09 | 8:06/mi
20M
2:39:03
Rank: #13928 (+245)
30K → 20M
11:04 | 8:09/mi
21M
2:48:01
Rank: #13859 (+69)
20M → 21M
8:58 | 8:58/mi
35K· 21.75 mi
2:54:11
Rank: #13835 (+24)
21M → 35K
6:10 | 8:15/mi
23M
3:04:29
Rank: #13666 (+169)
35K → 23M
10:18 | 8:14/mi
24M
3:12:42
Rank: #13620 (+46)
23M → 24M
8:13 | 8:13/mi
40K· 24.85 mi
3:19:43
Rank: #13521 (+99)
24M → 40K
7:01 | 8:12/mi
25.2M
3:22:50
Rank: #13482 (+39)
40K → 25.2M
3:07 | 9:02/mi
Finish· 26.22 mi
3:30:40
Rank: #13382 (+100)
25.2M → Finish
7:50 | 7:41/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:44:06
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:46:34
Pace8:08 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:5425:408:1625:40
8:16
-
10K
6.21 mi11:40:2150:078:0424:27
7:52
-0:24
15K
9.32 mi12:05:071:14:538:0224:46
7:58
+0:06
20K
12.43 mi12:29:121:38:587:5824:05
7:45
-0:13
Half
13.11 mi12:34:201:44:067:565:08
7:31
-0:14
25K
15.53 mi12:53:042:02:507:5418:44
7:44
+0:13
30K
18.64 mi13:18:132:27:597:5625:09
8:06
+0:22
20M
20.00 mi13:29:172:39:037:5711:04
8:09
+0:03
21M
21.00 mi13:38:152:48:018:008:58
8:58
+0:49
35K
21.75 mi13:44:252:54:118:016:10
8:15
-0:43
23M
23.00 mi13:54:433:04:298:0110:18
8:14
-0:01
24M
24.00 mi14:02:563:12:428:028:13
8:13
-0:01
40K
24.85 mi14:09:573:19:438:027:01
8:12
-0:01
25.2M
25.20 mi14:13:043:22:508:033:07
9:02
+0:50
Finish
26.22 mi14:20:543:30:408:027:50
7:41
-1:21

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:31 /mi

Average Pace

8:02 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:20:14

38% of race

Time at Steady Pace

1:58:21

56% of race

Time at Slower Pace

12:05

6% of race

Average Pace: 8:02 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:15:5425:408:1625:40
8:16
#18471
10K
6.21 mi11:40:2150:078:0424:27
7:52
#17000
15K
9.32 mi12:05:071:14:538:0224:46
7:58
#16586
20K
12.43 mi12:29:121:38:587:5824:05
7:45
#15662
Half
13.11 mi12:34:201:44:067:565:08
7:31
#15447
25K
15.53 mi12:53:042:02:507:5418:44
7:44
#14783
30K
18.64 mi13:18:132:27:597:5625:09
8:06
#14173
20M
20.00 mi13:29:172:39:037:5711:04
8:09
#13928
21M
21.00 mi13:38:152:48:018:008:58
8:58
#13859
35K
21.75 mi13:44:252:54:118:016:10
8:15
#13835
23M
23.00 mi13:54:433:04:298:0110:18
8:14
#13666
24M
24.00 mi14:02:563:12:428:028:13
8:13
#13620
40K
24.85 mi14:09:573:19:438:027:01
8:12
#13521
25.2M
25.20 mi14:13:043:22:508:033:07
9:02
#13482
Finish
26.22 mi14:20:543:30:408:027:50
7:41
#13382
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi18471117961179615813(Top 56%)10718(Top 67%)10718(Top 537%)
10K6.21 mi3.10 mi17000+147111222+57411222+57415421(Top 54%)10583(Top 66%)10583(Top 530%)
15K9.32 mi3.11 mi16586+41411058+16411058+16415813(Top 56%)10718(Top 67%)10718(Top 537%)
20K12.43 mi3.11 mi15662+92410651+40710651+40712852(Top 45%)9352(Top 58%)9352(Top 469%)
Half13.11 mi0.68 mi15447+21510568+8310568+8311887(Top 42%)8995(Top 56%)8995(Top 451%)
25K15.53 mi2.42 mi14783+66410244+32410244+32411751(Top 41%)8727(Top 54%)8727(Top 437%)
30K18.64 mi3.11 mi14173+6109927+3179927+31712063(Top 42%)8713(Top 54%)8713(Top 437%)
20M20.00 mi1.36 mi13928+2459785+1429785+14211420(Top 40%)8249(Top 51%)8249(Top 413%)
21M21.00 mi1.00 mi13859+699730+559730+5513291(Top 47%)8998(Top 56%)8998(Top 451%)
35K21.75 mi0.75 mi13835+249699+319699+3113860(Top 49%)9211(Top 57%)9211(Top 461%)
23M23.00 mi1.25 mi13666+1699580+1199580+11911529(Top 41%)8013(Top 50%)8013(Top 401%)
24M24.00 mi1.00 mi13620+469537+439537+4312668(Top 45%)8494(Top 53%)8494(Top 426%)
40K24.85 mi0.85 mi13521+999472+659472+6511585(Top 41%)7863(Top 49%)7863(Top 394%)
25.2M25.20 mi0.35 mi13482+399439+339439+3311972(Top 42%)7983(Top 50%)7983(Top 400%)
Finish26.22 mi1.02 mi13382+1009372+679372+6710610(Top 37%)7318(Top 45%)7318(Top 367%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

15813

Males

10718

M50-54

10718

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15421

Males

10583

M50-54

10583

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

15813

Males

10718

M50-54

10718

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

12852

Males

9352

M50-54

9352

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11887

Males

8995

M50-54

8995

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11751

Males

8727

M50-54

8727

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

12063

Males

8713

M50-54

8713

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11420

Males

8249

M50-54

8249

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13291

Males

8998

M50-54

8998

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13860

Males

9211

M50-54

9211

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11529

Males

8013

M50-54

8013

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12668

Males

8494

M50-54

8494

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11585

Males

7863

M50-54

7863

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11972

Males

7983

M50-54

7983

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10610

Males

7318

M50-54

7318

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
5463
Passed By
374
Net Change
+5089
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18471
5K → 10K149120+1471#18471#17000
10K → 15K45339+414#17000#16586
15K → 20K9295+924#16586#15662
20K → Half2150+215#15662#15447
Half → 25K6651+664#15447#14783
25K → 30K63323+610#14783#14173
30K → 20M25914+245#14173#13928
20M → 21M13061+69#13928#13859
21M → 35K6945+24#13859#13835
35K → 23M20435+169#13835#13666
23M → 24M10559+46#13666#13620
24M → 40K12627+99#13620#13521
40K → 25.2M6324+39#13521#13482
25.2M → Finish12121+100#13482#13382
TOTALS5463374+5089
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing