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BOSTON MARATHON 2025

Michael Sansoterra

Bib: 12950•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 41%
Division (M55-59)
#0 / 1648
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:44
Rank: #10524
Start → 5K
22:44 | 7:19/mi
10K· 6.21 mi
45:40
Rank: #10763 (-239)
5K → 10K
22:56 | 7:23/mi
15K· 9.32 mi
1:08:43
Rank: #10818 (-55)
10K → 15K
23:03 | 7:25/mi
20K· 12.43 mi
1:32:11
Rank: #10908 (-90)
15K → 20K
23:28 | 7:33/mi
Half· 13.11 mi
1:37:19
Rank: #10958 (-50)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:55:37
Rank: #10829 (+129)
Half → 25K
18:18 | 7:33/mi
30K· 18.64 mi
2:20:38
Rank: #10981 (-152)
25K → 30K
25:01 | 8:03/mi
20M
2:31:44
Rank: #10972 (+9)
30K → 20M
11:06 | 8:10/mi
21M
2:40:45
Rank: #11102 (-130)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
2:46:43
Rank: #11125 (-23)
21M → 35K
5:58 | 7:59/mi
23M
2:56:59
Rank: #11088 (+37)
35K → 23M
10:16 | 8:12/mi
24M
3:04:57
Rank: #11040 (+48)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:11:49
Rank: #10998 (+42)
24M → 40K
6:52 | 8:02/mi
25.2M
3:15:01
Rank: #11021 (-23)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:22:48
Rank: #10965 (+56)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:19
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:45:29
Pace8:03 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5122:447:1922:44
7:19
-
10K
6.21 mi11:14:4745:407:2122:56
7:23
+0:04
15K
9.32 mi11:37:501:08:437:2223:03
7:25
+0:02
20K
12.43 mi12:01:181:32:117:2523:28
7:33
+0:08
Half
13.11 mi12:06:261:37:197:255:08
7:31
-0:02
25K
15.53 mi12:24:441:55:377:2718:18
7:33
+0:02
30K
18.64 mi12:49:452:20:387:3325:01
8:03
+0:30
20M
20.00 mi13:00:512:31:447:3511:06
8:10
+0:07
21M
21.00 mi13:09:522:40:457:399:01
9:01
+0:51
35K
21.75 mi13:15:502:46:437:405:58
7:59
-1:02
23M
23.00 mi13:26:062:56:597:4210:16
8:12
+0:13
24M
24.00 mi13:34:043:04:577:427:58
7:58
-0:14
40K
24.85 mi13:40:563:11:497:436:52
8:02
+0:04
25.2M
25.20 mi13:44:083:15:017:443:12
9:17
+1:15
Finish
26.22 mi13:51:553:22:487:447:47
7:38
-1:39

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

7:19 /mi

Average Pace

7:44 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:24

61% of race

Time at Steady Pace

1:07:11

33% of race

Time at Slower Pace

12:13

6% of race

Average Pace: 7:44 /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 mi10:51:5122:447:1922:44
7:19
#10524
10K
6.21 mi11:14:4745:407:2122:56
7:23
#10763
15K
9.32 mi11:37:501:08:437:2223:03
7:25
#10818
20K
12.43 mi12:01:181:32:117:2523:28
7:33
#10908
Half
13.11 mi12:06:261:37:197:255:08
7:31
#10958
25K
15.53 mi12:24:441:55:377:2718:18
7:33
#10829
30K
18.64 mi12:49:452:20:387:3325:01
8:03
#10981
20M
20.00 mi13:00:512:31:447:3511:06
8:10
#10972
21M
21.00 mi13:09:522:40:457:399:01
9:01
#11102
35K
21.75 mi13:15:502:46:437:405:58
7:59
#11125
23M
23.00 mi13:26:062:56:597:4210:16
8:12
#11088
24M
24.00 mi13:34:043:04:577:427:58
7:58
#11040
40K
24.85 mi13:40:563:11:497:436:52
8:02
#10998
25.2M
25.20 mi13:44:083:15:017:443:12
9:17
#11021
Finish
26.22 mi13:51:553:22:487:447:47
7:38
#10965
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi105248453845311039(Top 39%)8614(Top 53%)8614(Top 523%)
10K6.21 mi3.10 mi10763-2398550-978550-9711007(Top 39%)8670(Top 54%)8670(Top 526%)
15K9.32 mi3.11 mi10818-558555-58555-511039(Top 39%)8614(Top 53%)8614(Top 523%)
20K12.43 mi3.11 mi10908-908587-328587-3211183(Top 39%)8578(Top 53%)8578(Top 521%)
Half13.11 mi0.68 mi10958-508606-198606-1911844(Top 42%)8952(Top 56%)8952(Top 543%)
25K15.53 mi2.42 mi10829+1298500+1068500+10610338(Top 36%)8058(Top 50%)8058(Top 489%)
30K18.64 mi3.11 mi10981-1528492+88492+811747(Top 41%)8552(Top 53%)8552(Top 519%)
20M20.00 mi1.36 mi10972+98447+458447+4511566(Top 41%)8315(Top 52%)8315(Top 505%)
21M21.00 mi1.00 mi11102-1308473-268473-2613579(Top 48%)9135(Top 57%)9135(Top 554%)
35K21.75 mi0.75 mi11125-238464+98464+912072(Top 43%)8352(Top 52%)8352(Top 507%)
23M23.00 mi1.25 mi11088+378400+648400+6411348(Top 40%)7915(Top 49%)7915(Top 480%)
24M24.00 mi1.00 mi11040+488332+688332+6810980(Top 39%)7655(Top 48%)7655(Top 465%)
40K24.85 mi0.85 mi10998+428277+558277+5510408(Top 37%)7254(Top 45%)7254(Top 440%)
25.2M25.20 mi0.35 mi11021-238270+78270+713284(Top 47%)8590(Top 53%)8590(Top 521%)
Finish26.22 mi1.02 mi10965+568208+628208+6210206(Top 36%)7092(Top 44%)7092(Top 430%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

11039

Males

8614

M55-59

8614

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

11007

Males

8670

M55-59

8670

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

11039

Males

8614

M55-59

8614

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

11183

Males

8578

M55-59

8578

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11844

Males

8952

M55-59

8952

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

10338

Males

8058

M55-59

8058

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11747

Males

8552

M55-59

8552

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11566

Males

8315

M55-59

8315

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

13579

Males

9135

M55-59

9135

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12072

Males

8352

M55-59

8352

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11348

Males

7915

M55-59

7915

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10980

Males

7655

M55-59

7655

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10408

Males

7254

M55-59

7254

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13284

Males

8590

M55-59

8590

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2stories
+22ft-21ft

Overall

10206

Males

7092

M55-59

7092

Passing Analysis

Category:
Athletes Passed
1575
Passed By
2016
Net Change
-441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10524
5K → 10K157396-239#10524#10763
10K → 15K150205-55#10763#10818
15K → 20K145235-90#10818#10908
20K → Half2373-50#10908#10958
Half → 25K22293+129#10958#10829
25K → 30K193345-152#10829#10981
30K → 20M122113+9#10981#10972
20M → 21M59189-130#10972#11102
21M → 35K5174-23#11102#11125
35K → 23M12790+37#11125#11088
23M → 24M10961+48#11088#11040
24M → 40K9250+42#11040#10998
40K → 25.2M3154-23#10998#11021
25.2M → Finish9438+56#11021#10965
TOTALS15752016-441
📊

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