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BOSTON MARATHON 2025

Steven Ansilio

Bib: 7221•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:42
Rank: #7681
Start → 5K
21:42 | 6:59/mi
10K· 6.21 mi
43:24
Rank: #7740 (-59)
5K → 10K
21:42 | 6:59/mi
15K· 9.32 mi
1:05:09
Rank: #7682 (+58)
10K → 15K
21:45 | 7:00/mi
20K· 12.43 mi
1:26:49
Rank: #7401 (+281)
15K → 20K
21:40 | 6:58/mi
Half· 13.11 mi
1:31:33
Rank: #7371 (+30)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:48:19
Rank: #7081 (+290)
Half → 25K
16:46 | 6:55/mi
30K· 18.64 mi
2:09:54
Rank: #6454 (+627)
25K → 30K
21:35 | 6:57/mi
20M
2:19:09
Rank: #6109 (+345)
30K → 20M
9:15 | 6:48/mi
21M
2:26:09
Rank: #5809 (+300)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:31:01
Rank: #5667 (+142)
21M → 35K
4:52 | 6:30/mi
23M
2:39:27
Rank: #5400 (+267)
35K → 23M
8:26 | 6:44/mi
24M
2:45:50
Rank: #5169 (+231)
23M → 24M
6:23 | 6:23/mi
40K· 24.85 mi
2:51:32
Rank: #5024 (+145)
24M → 40K
5:42 | 6:40/mi
25.2M
2:53:54
Rank: #4923 (+101)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
3:00:04
Rank: #4702 (+221)
25.2M → Finish
6:10 | 6:03/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:31:33
Pace6:59 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:31
Pace6:45 /mi
📊Negative Split: 3.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:2721:426:5921:42
6:59
-
10K
6.21 mi10:51:0943:246:5921:42
6:59
0:00
15K
9.32 mi11:12:541:05:096:5921:45
7:00
+0:01
20K
12.43 mi11:34:341:26:496:5921:40
6:58
-0:02
Half
13.11 mi11:39:181:31:336:594:44
6:56
-0:02
25K
15.53 mi11:56:041:48:196:5816:46
6:55
-0:01
30K
18.64 mi12:17:392:09:546:5821:35
6:57
+0:02
20M
20.00 mi12:26:542:19:096:579:15
6:48
-0:09
21M
21.00 mi12:33:542:26:096:587:00
7:00
+0:12
35K
21.75 mi12:38:462:31:016:574:52
6:30
-0:30
23M
23.00 mi12:47:122:39:276:568:26
6:44
+0:14
24M
24.00 mi12:53:352:45:506:556:23
6:23
-0:21
40K
24.85 mi12:59:172:51:326:545:42
6:40
+0:17
25.2M
25.20 mi13:01:392:53:546:542:22
6:52
+0:12
Finish
26.22 mi13:07:493:00:046:526:10
6:03
-0:49

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

6:03 /mi

Average Pace

6:52 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

17:25

10% of race

Time at Steady Pace

2:42:39

90% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:29:2721:426:5921:42
6:59
#7681
10K
6.21 mi10:51:0943:246:5921:42
6:59
#7740
15K
9.32 mi11:12:541:05:096:5921:45
7:00
#7682
20K
12.43 mi11:34:341:26:496:5921:40
6:58
#7401
Half
13.11 mi11:39:181:31:336:594:44
6:56
#7371
25K
15.53 mi11:56:041:48:196:5816:46
6:55
#7081
30K
18.64 mi12:17:392:09:546:5821:35
6:57
#6454
20M
20.00 mi12:26:542:19:096:579:15
6:48
#6109
21M
21.00 mi12:33:542:26:096:587:00
7:00
#5809
35K
21.75 mi12:38:462:31:016:574:52
6:30
#5667
23M
23.00 mi12:47:122:39:276:568:26
6:44
#5400
24M
24.00 mi12:53:352:45:506:556:23
6:23
#5169
40K
24.85 mi12:59:172:51:326:545:42
6:40
#5024
25.2M
25.20 mi13:01:392:53:546:542:22
6:52
#4923
Finish
26.22 mi13:07:493:00:046:526:10
6:03
#4702
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7681677967797623(Top 27%)6694(Top 42%)6694(Top 119%)
10K6.21 mi3.10 mi7740-596814-356814-357815(Top 28%)6847(Top 43%)6847(Top 121%)
15K9.32 mi3.11 mi7682+586763+516763+517623(Top 27%)6694(Top 42%)6694(Top 119%)
20K12.43 mi3.11 mi7401+2816557+2066557+2066702(Top 24%)5977(Top 37%)5977(Top 106%)
Half13.11 mi0.68 mi7371+306536+216536+217081(Top 25%)6258(Top 39%)6258(Top 111%)
25K15.53 mi2.42 mi7081+2906317+2196317+2195750(Top 20%)5194(Top 32%)5194(Top 92%)
30K18.64 mi3.11 mi6454+6275797+5205797+5204371(Top 15%)4002(Top 25%)4002(Top 71%)
20M20.00 mi1.36 mi6109+3455504+2935504+2932964(Top 10%)2763(Top 17%)2763(Top 49%)
21M21.00 mi1.00 mi5809+3005262+2425262+2422256(Top 8%)2107(Top 13%)2107(Top 37%)
35K21.75 mi0.75 mi5667+1425151+1115151+1112487(Top 9%)2320(Top 14%)2320(Top 41%)
23M23.00 mi1.25 mi5400+2674915+2364915+2362413(Top 8%)2240(Top 14%)2240(Top 40%)
24M24.00 mi1.00 mi5169+2314712+2034712+2031607(Top 6%)1500(Top 9%)1500(Top 27%)
40K24.85 mi0.85 mi5024+1454583+1294583+1292236(Top 8%)2051(Top 13%)2051(Top 36%)
25.2M25.20 mi0.35 mi4923+1014493+904493+901155(Top 4%)1065(Top 7%)1065(Top 19%)
Finish26.22 mi1.02 mi4702+2214304+1894304+1891069(Top 4%)1003(Top 6%)1003(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7623

Males

6694

M18-39

6694

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7815

Males

6847

M18-39

6847

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7623

Males

6694

M18-39

6694

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6702

Males

5977

M18-39

5977

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

7081

Males

6258

M18-39

6258

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5750

Males

5194

M18-39

5194

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4371

Males

4002

M18-39

4002

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2964

Males

2763

M18-39

2763

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2256

Males

2107

M18-39

2107

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2487

Males

2320

M18-39

2320

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2413

Males

2240

M18-39

2240

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1607

Males

1500

M18-39

1500

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2236

Males

2051

M18-39

2051

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1155

Males

1065

M18-39

1065

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1069

Males

1003

M18-39

1003

Passing Analysis

Category:
Athletes Passed
3350
Passed By
371
Net Change
+2979
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7681
5K → 10K173232-59#7681#7740
10K → 15K158100+58#7740#7682
15K → 20K29615+281#7682#7401
20K → Half4111+30#7401#7371
Half → 25K2999+290#7371#7081
25K → 30K6270+627#7081#6454
30K → 20M3461+345#6454#6109
20M → 21M3011+300#6109#5809
21M → 35K1420+142#5809#5667
35K → 23M2670+267#5667#5400
23M → 24M2321+231#5400#5169
24M → 40K1450+145#5169#5024
40K → 25.2M1021+101#5024#4923
25.2M → Finish2210+221#4923#4702
TOTALS3350371+2979
📊

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