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BOSTON MARATHON 2025

Daniel Sisro

Bib: 31763•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:36
Rank: #21914
Start → 5K
27:36 | 8:53/mi
10K· 6.21 mi
55:11
Rank: #21869 (+45)
5K → 10K
27:35 | 8:53/mi
15K· 9.32 mi
1:23:29
Rank: #22104 (-235)
10K → 15K
28:18 | 9:07/mi
20K· 12.43 mi
1:52:07
Rank: #22026 (+78)
15K → 20K
28:38 | 9:13/mi
Half· 13.11 mi
1:58:30
Rank: #22098 (-72)
20K → Half
6:23 | 9:21/mi
25K· 15.53 mi
2:21:48
Rank: #22142 (-44)
Half → 25K
23:18 | 9:37/mi
30K· 18.64 mi
2:52:53
Rank: #22077 (+65)
25K → 30K
31:05 | 10:00/mi
20M
3:06:54
Rank: #22055 (+22)
30K → 20M
14:01 | 10:19/mi
21M
3:17:53
Rank: #21990 (+65)
20M → 21M
10:59 | 10:59/mi
35K· 21.75 mi
3:25:13
Rank: #21950 (+40)
21M → 35K
7:20 | 9:48/mi
23M
3:38:00
Rank: #21883 (+67)
35K → 23M
12:47 | 10:13/mi
24M
3:47:48
Rank: #21818 (+65)
23M → 24M
9:48 | 9:48/mi
40K· 24.85 mi
3:56:24
Rank: #21776 (+42)
24M → 40K
8:36 | 10:04/mi
25.2M
4:00:09
Rank: #21748 (+28)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
4:10:01
Rank: #21742 (+6)
25.2M → Finish
9:52 | 9:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:30
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:11:31
Pace10:02 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5327:368:5327:36
8:53
-
10K
6.21 mi12:14:2855:118:5327:35
8:53
0:00
15K
9.32 mi12:42:461:23:298:5728:18
9:07
+0:14
20K
12.43 mi13:11:241:52:079:0128:38
9:13
+0:06
Half
13.11 mi13:17:471:58:309:026:23
9:21
+0:08
25K
15.53 mi13:41:052:21:489:0823:18
9:37
+0:16
30K
18.64 mi14:12:102:52:539:1631:05
10:00
+0:23
20M
20.00 mi14:26:113:06:549:2114:01
10:19
+0:19
21M
21.00 mi14:37:103:17:539:2510:59
10:59
+0:40
35K
21.75 mi14:44:303:25:139:267:20
9:48
-1:11
23M
23.00 mi14:57:173:38:009:2912:47
10:13
+0:25
24M
24.00 mi15:07:053:47:489:309:48
9:48
-0:25
40K
24.85 mi15:15:413:56:249:318:36
10:04
+0:16
25.2M
25.20 mi15:19:264:00:099:323:45
10:52
+0:48
Finish
26.22 mi15:29:184:10:019:339:52
9:41
-1:11

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

8:53 /mi

Average Pace

9:33 /mi

Slowest Pace

10:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:30

47% of race

Time at Steady Pace

1:29:59

36% of race

Time at Slower Pace

41:32

17% of race

Average Pace: 9:32 /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 mi11:46:5327:368:5327:36
8:53
#21914
10K
6.21 mi12:14:2855:118:5327:35
8:53
#21869
15K
9.32 mi12:42:461:23:298:5728:18
9:07
#22104
20K
12.43 mi13:11:241:52:079:0128:38
9:13
#22026
Half
13.11 mi13:17:471:58:309:026:23
9:21
#22098
25K
15.53 mi13:41:052:21:489:0823:18
9:37
#22142
30K
18.64 mi14:12:102:52:539:1631:05
10:00
#22077
20M
20.00 mi14:26:113:06:549:2114:01
10:19
#22055
21M
21.00 mi14:37:103:17:539:2510:59
10:59
#21990
35K
21.75 mi14:44:303:25:139:267:20
9:48
#21950
23M
23.00 mi14:57:173:38:009:2912:47
10:13
#21883
24M
24.00 mi15:07:053:47:489:309:48
9:48
#21818
40K
24.85 mi15:15:413:56:249:318:36
10:04
#21776
25.2M
25.20 mi15:19:264:00:099:323:45
10:52
#21748
Finish
26.22 mi15:29:184:10:019:339:52
9:41
#21742
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi21914132761327622483(Top 79%)13598(Top 84%)13598(Top 825%)
10K6.21 mi3.10 mi21869+4513273+313273+321791(Top 77%)13258(Top 82%)13258(Top 804%)
15K9.32 mi3.11 mi22104-23513390-11713390-11722483(Top 79%)13598(Top 84%)13598(Top 825%)
20K12.43 mi3.11 mi22026+7813355+3513355+3521943(Top 77%)13335(Top 83%)13335(Top 809%)
Half13.11 mi0.68 mi22098-7213388-3313388-3323111(Top 81%)13830(Top 86%)13830(Top 839%)
25K15.53 mi2.42 mi22142-4413404-1613404-1622211(Top 78%)13386(Top 83%)13386(Top 812%)
30K18.64 mi3.11 mi22077+6513354+5013354+5021607(Top 76%)12989(Top 81%)12989(Top 788%)
20M20.00 mi1.36 mi22055+2213324+3013324+3021901(Top 77%)13011(Top 81%)13011(Top 790%)
21M21.00 mi1.00 mi21990+6513272+5213272+5221339(Top 75%)12668(Top 79%)12668(Top 769%)
35K21.75 mi0.75 mi21950+4013238+3413238+3421326(Top 75%)12588(Top 78%)12588(Top 764%)
23M23.00 mi1.25 mi21883+6713177+6113177+6121141(Top 74%)12463(Top 77%)12463(Top 756%)
24M24.00 mi1.00 mi21818+6513121+5613121+5620720(Top 73%)12214(Top 76%)12214(Top 741%)
40K24.85 mi0.85 mi21776+4213080+4113080+4120643(Top 73%)12116(Top 75%)12116(Top 735%)
25.2M25.20 mi0.35 mi21748+2813063+1713063+1720246(Top 71%)11915(Top 74%)11915(Top 723%)
Finish26.22 mi1.02 mi21742+613045+1813045+1821848(Top 77%)12712(Top 79%)12712(Top 771%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

22483

Males

13598

M55-59

13598

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

21791

Males

13258

M55-59

13258

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

22483

Males

13598

M55-59

13598

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

21943

Males

13335

M55-59

13335

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

23111

Males

13830

M55-59

13830

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

22211

Males

13386

M55-59

13386

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

21607

Males

12989

M55-59

12989

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

21901

Males

13011

M55-59

13011

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

21339

Males

12668

M55-59

12668

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21326

Males

12588

M55-59

12588

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

21141

Males

12463

M55-59

12463

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

20720

Males

12214

M55-59

12214

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20643

Males

12116

M55-59

12116

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20246

Males

11915

M55-59

11915

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21848

Males

12712

M55-59

12712

Passing Analysis

Category:
Athletes Passed
1614
Passed By
1442
Net Change
+172
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21914
5K → 10K284239+45#21914#21869
10K → 15K121356-235#21869#22104
15K → 20K220142+78#22104#22026
20K → Half1688-72#22026#22098
Half → 25K126170-44#22098#22142
25K → 30K218153+65#22142#22077
30K → 20M10078+22#22077#22055
20M → 21M11146+65#22055#21990
21M → 35K6222+40#21990#21950
35K → 23M11548+67#21950#21883
23M → 24M8318+65#21883#21818
24M → 40K7129+42#21818#21776
40K → 25.2M346+28#21776#21748
25.2M → Finish5347+6#21748#21742
TOTALS16141442+172
📊

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