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BOSTON MARATHON 2025

Robert Siegmund

Bib: 27074•M

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
26:25
Rank: #19894
Start → 5K
26:25 | 8:30/mi
10K· 6.21 mi
54:04
Rank: #20921 (-1027)
5K → 10K
27:39 | 8:54/mi
15K· 9.32 mi
1:23:08
Rank: #21909 (-988)
10K → 15K
29:04 | 9:21/mi
20K· 12.43 mi
1:54:20
Rank: #22787 (-878)
15K → 20K
31:12 | 10:03/mi
Half· 13.11 mi
2:01:05
Rank: #22914 (-127)
20K → Half
6:45 | 9:54/mi
25K· 15.53 mi
2:28:09
Rank: #23528 (-614)
Half → 25K
27:04 | 11:10/mi
30K· 18.64 mi
3:04:17
Rank: #23914 (-386)
25K → 30K
36:08 | 11:38/mi
20M
3:19:32
Rank: #23945 (-31)
30K → 20M
15:15 | 11:13/mi
21M
3:32:33
Rank: #24052 (-107)
20M → 21M
13:01 | 13:01/mi
35K· 21.75 mi
3:40:40
Rank: #24046 (+6)
21M → 35K
8:07 | 10:51/mi
23M
3:54:16
Rank: #23954 (+92)
35K → 23M
13:36 | 10:52/mi
24M
4:05:07
Rank: #23948 (+6)
23M → 24M
10:51 | 10:51/mi
40K· 24.85 mi
4:14:28
Rank: #23920 (+28)
24M → 40K
9:21 | 10:56/mi
25.2M
4:18:53
Rank: #23946 (-26)
40K → 25.2M
4:25 | 12:48/mi
Finish· 26.22 mi
4:29:32
Rank: #23962 (-16)
25.2M → Finish
10:39 | 10:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:05
Pace9:14 /mi
2nd Half
Distance13.11 mi
Time2:28:27
Pace11:19 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1026:258:3026:25
8:30
-
10K
6.21 mi12:16:4954:048:4227:39
8:54
+0:24
15K
9.32 mi12:45:531:23:088:5529:04
9:21
+0:27
20K
12.43 mi13:17:051:54:209:1231:12
10:03
+0:42
Half
13.11 mi13:23:502:01:059:146:45
9:54
-0:09
25K
15.53 mi13:50:542:28:099:3227:04
11:10
+1:16
30K
18.64 mi14:27:023:04:179:5336:08
11:38
+0:28
20M
20.00 mi14:42:173:19:329:5915:15
11:13
-0:25
21M
21.00 mi14:55:183:32:3310:0713:01
13:01
+1:48
35K
21.75 mi15:03:253:40:4010:098:07
10:51
-2:10
23M
23.00 mi15:17:013:54:1610:1113:36
10:52
+0:01
24M
24.00 mi15:27:524:05:0710:1310:51
10:51
-0:01
40K
24.85 mi15:37:134:14:2810:149:21
10:56
+0:05
25.2M
25.20 mi15:41:384:18:5310:164:25
12:48
+1:52
Finish
26.22 mi15:52:174:29:3210:1710:39
10:27
-2:21

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

8:30 /mi

Average Pace

10:17 /mi

Slowest Pace

13:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:01:05

45% of race

Time at Steady Pace

1:34:53

35% of race

Time at Slower Pace

53:34

20% of race

Average Pace: 10:17 /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 mi11:49:1026:258:3026:25
8:30
#19894
10K
6.21 mi12:16:4954:048:4227:39
8:54
#20921
15K
9.32 mi12:45:531:23:088:5529:04
9:21
#21909
20K
12.43 mi13:17:051:54:209:1231:12
10:03
#22787
Half
13.11 mi13:23:502:01:059:146:45
9:54
#22914
25K
15.53 mi13:50:542:28:099:3227:04
11:10
#23528
30K
18.64 mi14:27:023:04:179:5336:08
11:38
#23914
20M
20.00 mi14:42:173:19:329:5915:15
11:13
#23945
21M
21.00 mi14:55:183:32:3310:0713:01
13:01
#24052
35K
21.75 mi15:03:253:40:4010:098:07
10:51
#24046
23M
23.00 mi15:17:013:54:1610:1113:36
10:52
#23954
24M
24.00 mi15:27:524:05:0710:1310:51
10:51
#23948
40K
24.85 mi15:37:134:14:2810:149:21
10:56
#23920
25.2M
25.20 mi15:41:384:18:5310:164:25
12:48
#23946
Finish
26.22 mi15:52:174:29:3210:1710:39
10:27
#23962
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi19894123971239723365(Top 82%)14006(Top 87%)14006(Top 587%)
10K6.21 mi3.10 mi20921-102712853-45612853-45621923(Top 77%)13309(Top 83%)13309(Top 558%)
15K9.32 mi3.11 mi21909-98813303-45013303-45023365(Top 82%)14006(Top 87%)14006(Top 587%)
20K12.43 mi3.11 mi22787-87813725-42213725-42224310(Top 86%)14362(Top 89%)14362(Top 602%)
Half13.11 mi0.68 mi22914-12713775-5013775-5024586(Top 87%)14474(Top 90%)14474(Top 607%)
25K15.53 mi2.42 mi23528-61414031-25614031-25625437(Top 90%)14834(Top 92%)14834(Top 622%)
30K18.64 mi3.11 mi23914-38614169-13814169-13825040(Top 88%)14546(Top 90%)14546(Top 610%)
20M20.00 mi1.36 mi23945-3114166+314166+324045(Top 85%)14008(Top 87%)14008(Top 587%)
21M21.00 mi1.00 mi24052-10714195-2914195-2925059(Top 88%)14396(Top 89%)14396(Top 603%)
35K21.75 mi0.75 mi24046+614180+1514180+1523908(Top 84%)13844(Top 86%)13844(Top 580%)
23M23.00 mi1.25 mi23954+9214113+6714113+6722901(Top 81%)13297(Top 83%)13297(Top 557%)
24M24.00 mi1.00 mi23948+614108+514108+523672(Top 83%)13650(Top 85%)13650(Top 572%)
40K24.85 mi0.85 mi23920+2814084+2414084+2422995(Top 81%)13242(Top 82%)13242(Top 555%)
25.2M25.20 mi0.35 mi23946-26140841408424747(Top 87%)14139(Top 88%)14139(Top 593%)
Finish26.22 mi1.02 mi23962-1614078+614078+624174(Top 85%)13858(Top 86%)13858(Top 581%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

23365

Males

14006

M45-49

14006

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

21923

Males

13309

M45-49

13309

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

23365

Males

14006

M45-49

14006

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

24310

Males

14362

M45-49

14362

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24586

Males

14474

M45-49

14474

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25437

Males

14834

M45-49

14834

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

25040

Males

14546

M45-49

14546

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

24045

Males

14008

M45-49

14008

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

25059

Males

14396

M45-49

14396

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

23908

Males

13844

M45-49

13844

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

22901

Males

13297

M45-49

13297

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23672

Males

13650

M45-49

13650

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22995

Males

13242

M45-49

13242

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24747

Males

14139

M45-49

14139

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24174

Males

13858

M45-49

13858

Passing Analysis

Category:
Athletes Passed
602
Passed By
4670
Net Change
-4068
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19894
5K → 10K441071-1027#19894#20921
10K → 15K411029-988#20921#21909
15K → 20K39917-878#21909#22787
20K → Half7134-127#22787#22914
Half → 25K23637-614#22914#23528
25K → 30K52438-386#23528#23914
30K → 20M70101-31#23914#23945
20M → 21M29136-107#23945#24052
21M → 35K3933+6#24052#24046
35K → 23M10917+92#24046#23954
23M → 24M5044+6#23954#23948
24M → 40K5224+28#23948#23920
40K → 25.2M1339-26#23920#23946
25.2M → Finish3450-16#23946#23962
TOTALS6024670-4068
📊

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