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BOSTON MARATHON 2025

Thomas Shanabruch

Bib: 919•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Masters (Masters Men)
#0 / 10463
Top 1%
Division (M45-49)
#0 / 2386
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:30
Rank: #945
Start → 5K
5:57/mi
18:30 split
10K· 6.21 mi
37:12
Rank: #1031 (-86)
5K → 10K
6:01/mi
18:42 split
15K· 9.32 mi
55:56
Rank: #1050 (-19)
10K → 15K
6:02/mi
18:44 split
20K· 12.43 mi
1:14:47
Rank: #1036 (+14)
15K → 20K
6:04/mi
18:51 split
Half· 13.11 mi
1:18:54
Rank: #1044 (-8)
20K → Half
6:02/mi
4:07 split
25K· 15.53 mi
1:33:45
Rank: #1045 (-1)
Half → 25K
6:07/mi
14:51 split
30K· 18.64 mi
1:53:07
Rank: #1023 (+22)
25K → 30K
6:14/mi
19:22 split
20M
2:01:36
Rank: #980 (+43)
30K → 20M
6:15/mi
8:29 split
21M
2:08:06
Rank: #944 (+36)
20M → 21M
6:30/mi
6:30 split
35K· 21.75 mi
2:12:43
Rank: #931 (+13)
21M → 35K
6:10/mi
4:37 split
23M
2:20:43
Rank: #923 (+8)
35K → 23M
6:23/mi
8:00 split
24M
2:27:05
Rank: #939 (-16)
23M → 24M
6:22/mi
6:22 split
40K· 24.85 mi
2:32:39
Rank: #940 (-1)
24M → 40K
6:31/mi
5:34 split
25.2M
2:35:00
Rank: #934 (+6)
40K → 25.2M
6:49/mi
2:21 split
Finish· 26.22 mi
2:41:13
Rank: #927 (+7)
25.2M → Finish
6:06/mi
6:13 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:54
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time1:22:19
Pace6:17 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5118:305:5718:30
5:57
-
10K
6.21 mi10:37:3337:125:5918:42
6:01
+0:04
15K
9.32 mi10:56:1755:566:0018:44
6:02
+0:01
20K
12.43 mi11:15:081:14:476:0118:51
6:04
+0:02
Half
13.11 mi11:19:151:18:546:014:07
6:02
-0:02
25K
15.53 mi11:34:061:33:456:0214:51
6:07
+0:05
30K
18.64 mi11:53:281:53:076:0419:22
6:14
+0:07
20M
20.00 mi12:01:572:01:366:058:29
6:15
+0:01
21M
21.00 mi12:08:272:08:066:066:30
6:30
+0:15
35K
21.75 mi12:13:042:12:436:064:37
6:10
-0:20
23M
23.00 mi12:21:042:20:436:078:00
6:23
+0:13
24M
24.00 mi12:27:262:27:056:086:22
6:22
-0:01
40K
24.85 mi12:33:002:32:396:085:34
6:31
+0:09
25.2M
25.20 mi12:35:212:35:006:092:21
6:49
+0:18
Finish
26.22 mi12:41:342:41:136:096:13
6:06
-0:43

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

5:57 /mi

Average Pace

6:09 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:52

99% of race

Time at Steady Pace

2:21

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:09 /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 mi10:18:5118:305:5718:30
5:57
#945
10K
6.21 mi10:37:3337:125:5918:42
6:01
#1031
15K
9.32 mi10:56:1755:566:0018:44
6:02
#1050
20K
12.43 mi11:15:081:14:476:0118:51
6:04
#1036
Half
13.11 mi11:19:151:18:546:014:07
6:02
#1044
25K
15.53 mi11:34:061:33:456:0214:51
6:07
#1045
30K
18.64 mi11:53:281:53:076:0419:22
6:14
#1023
20M
20.00 mi12:01:572:01:366:058:29
6:15
#980
21M
21.00 mi12:08:272:08:066:066:30
6:30
#944
35K
21.75 mi12:13:042:12:436:064:37
6:10
#931
23M
23.00 mi12:21:042:20:436:078:00
6:23
#923
24M
24.00 mi12:27:262:27:056:086:22
6:22
#939
40K
24.85 mi12:33:002:32:396:085:34
6:31
#940
25.2M
25.20 mi12:35:212:35:006:092:21
6:49
#934
Finish
26.22 mi12:41:342:41:136:096:13
6:06
#927
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9458878871128(Top 4%)1067(Top 7%)1067(Top 45%)
10K6.21 mi3.10 mi1031-86971-84971-841153(Top 4%)1091(Top 7%)1091(Top 46%)
15K9.32 mi3.11 mi1050-19990-19990-191128(Top 4%)1067(Top 7%)1067(Top 45%)
20K12.43 mi3.11 mi1036+14976+14976+141060(Top 4%)999(Top 6%)999(Top 42%)
Half13.11 mi0.68 mi1044-8984-8984-81247(Top 4%)1181(Top 7%)1181(Top 49%)
25K15.53 mi2.42 mi1045-19849841170(Top 4%)1104(Top 7%)1104(Top 46%)
30K18.64 mi3.11 mi1023+22963+21963+211009(Top 4%)949(Top 6%)949(Top 40%)
20M20.00 mi1.36 mi980+43922+41922+41830(Top 3%)783(Top 5%)783(Top 33%)
21M21.00 mi1.00 mi944+36889+33889+33683(Top 2%)646(Top 4%)646(Top 27%)
35K21.75 mi0.75 mi931+13875+14875+141125(Top 4%)1060(Top 7%)1060(Top 44%)
23M23.00 mi1.25 mi923+8867+8867+81090(Top 4%)1030(Top 6%)1030(Top 43%)
24M24.00 mi1.00 mi939-16882-15882-151513(Top 5%)1412(Top 9%)1412(Top 59%)
40K24.85 mi0.85 mi940-1883-1883-11610(Top 6%)1486(Top 9%)1486(Top 62%)
25.2M25.20 mi0.35 mi934+6877+6877+6990(Top 3%)908(Top 6%)908(Top 38%)
Finish26.22 mi1.02 mi927+7870+7870+71177(Top 4%)1100(Top 7%)1100(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

1128

Males

1067

M45-49

1067

5K→10K

3.1 - 6.2 mi

Top 4%
×5story building
+79ft-138ft

Overall

1153

Males

1091

M45-49

1091

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

1128

Males

1067

M45-49

1067

15K→20K

9.3 - 12.4 mi

Top 4%
×5story building
+106ft-86ft

Overall

1060

Males

999

M45-49

999

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1247

Males

1181

M45-49

1181

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1170

Males

1104

M45-49

1104

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1009

Males

949

M45-49

949

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

830

Males

783

M45-49

783

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

683

Males

646

M45-49

646

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1125

Males

1060

M45-49

1060

35K→23M

21.8 - 23.0 mi

Top 4%
×5story building
+23ft-63ft

Overall

1090

Males

1030

M45-49

1030

23M→24M

23.0 - 24.0 mi

Top 5%
×6story building
+12ft-82ft

Overall

1513

Males

1412

M45-49

1412

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1610

Males

1486

M45-49

1486

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

990

Males

908

M45-49

908

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1177

Males

1100

M45-49

1100

Passing Analysis

Category:
Athletes Passed
366
Passed By
348
Net Change
+18
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#945
5K → 10K20106-86#945#1031
10K → 15K2443-19#1031#1050
15K → 20K3723+14#1050#1036
20K → Half311-8#1036#1044
Half → 25K2728-1#1044#1045
25K → 30K6038+22#1045#1023
30K → 20M507+43#1023#980
20M → 21M426+36#980#944
21M → 35K2512+13#944#931
35K → 23M2012+8#931#923
23M → 24M723-16#923#939
24M → 40K1617-1#939#940
40K → 25.2M126+6#940#934
25.2M → Finish2316+7#934#927
TOTALS366348+18
📊

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