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BOSTON MARATHON 2025

Sean Billy

Bib: 4107•M

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 6%
Division (M18-39)
#0 / 5642
Top 14%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:51
Rank: #1291
Start → 5K
18:51 | 6:04/mi
10K· 6.21 mi
37:42
Rank: #1292 (-1)
5K → 10K
18:51 | 6:04/mi
15K· 9.32 mi
56:39
Rank: #1308 (-16)
10K → 15K
18:57 | 6:06/mi
20K· 12.43 mi
1:15:49
Rank: #1326 (-18)
15K → 20K
19:10 | 6:10/mi
Half· 13.11 mi
1:19:58
Rank: #1337 (-11)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:34:49
Rank: #1286 (+51)
Half → 25K
14:51 | 6:07/mi
30K· 18.64 mi
1:53:57
Rank: #1161 (+125)
25K → 30K
19:08 | 6:10/mi
20M
2:02:30
Rank: #1131 (+30)
30K → 20M
8:33 | 6:18/mi
21M
2:09:03
Rank: #1084 (+47)
20M → 21M
6:33 | 6:33/mi
35K· 21.75 mi
2:13:42
Rank: #1078 (+6)
21M → 35K
4:39 | 6:13/mi
23M
2:21:48
Rank: #1057 (+21)
35K → 23M
8:06 | 6:28/mi
24M
2:28:09
Rank: #1065 (-8)
23M → 24M
6:21 | 6:21/mi
40K· 24.85 mi
2:33:35
Rank: #1046 (+19)
24M → 40K
5:26 | 6:21/mi
25.2M
2:35:57
Rank: #1036 (+10)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:42:04
Rank: #1009 (+27)
25.2M → Finish
6:07 | 6:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:58
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:22:06
Pace6:16 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5018:516:0418:51
6:04
-
10K
6.21 mi10:39:4137:426:0418:51
6:04
0:00
15K
9.32 mi10:58:3856:396:0518:57
6:06
+0:02
20K
12.43 mi11:17:481:15:496:0619:10
6:10
+0:04
Half
13.11 mi11:21:571:19:586:064:09
6:05
-0:05
25K
15.53 mi11:36:481:34:496:0614:51
6:07
+0:02
30K
18.64 mi11:55:561:53:576:0719:08
6:10
+0:03
20M
20.00 mi12:04:292:02:306:078:33
6:18
+0:08
21M
21.00 mi12:11:022:09:036:096:33
6:33
+0:15
35K
21.75 mi12:15:412:13:426:094:39
6:13
-0:20
23M
23.00 mi12:23:472:21:486:108:06
6:28
+0:15
24M
24.00 mi12:30:082:28:096:106:21
6:21
-0:07
40K
24.85 mi12:35:342:33:356:115:26
6:21
0:00
25.2M
25.20 mi12:37:562:35:576:112:22
6:52
+0:31
Finish
26.22 mi12:44:032:42:046:116:07
6:00
-0:52

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

6:00 /mi

Average Pace

6:11 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:42

99% of race

Time at Steady Pace

2:22

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:11 /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 mi10:20:5018:516:0418:51
6:04
#1291
10K
6.21 mi10:39:4137:426:0418:51
6:04
#1292
15K
9.32 mi10:58:3856:396:0518:57
6:06
#1308
20K
12.43 mi11:17:481:15:496:0619:10
6:10
#1326
Half
13.11 mi11:21:571:19:586:064:09
6:05
#1337
25K
15.53 mi11:36:481:34:496:0614:51
6:07
#1286
30K
18.64 mi11:55:561:53:576:0719:08
6:10
#1161
20M
20.00 mi12:04:292:02:306:078:33
6:18
#1131
21M
21.00 mi12:11:022:09:036:096:33
6:33
#1084
35K
21.75 mi12:15:412:13:426:094:39
6:13
#1078
23M
23.00 mi12:23:472:21:486:108:06
6:28
#1057
24M
24.00 mi12:30:082:28:096:106:21
6:21
#1065
40K
24.85 mi12:35:342:33:356:115:26
6:21
#1046
25.2M
25.20 mi12:37:562:35:576:112:22
6:52
#1036
Finish
26.22 mi12:44:032:42:046:116:07
6:00
#1009
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1291122612261361(Top 5%)1293(Top 8%)1293(Top 23%)
10K6.21 mi3.10 mi1292-11229-31229-31346(Top 5%)1276(Top 8%)1276(Top 23%)
15K9.32 mi3.11 mi1308-161243-141243-141361(Top 5%)1293(Top 8%)1293(Top 23%)
20K12.43 mi3.11 mi1326-181257-141257-141437(Top 5%)1362(Top 8%)1362(Top 24%)
Half13.11 mi0.68 mi1337-111267-101267-101441(Top 5%)1369(Top 9%)1369(Top 24%)
25K15.53 mi2.42 mi1286+511216+511216+511173(Top 4%)1107(Top 7%)1107(Top 20%)
30K18.64 mi3.11 mi1161+1251096+1201096+120810(Top 3%)759(Top 5%)759(Top 13%)
20M20.00 mi1.36 mi1131+301067+291067+29939(Top 3%)885(Top 5%)885(Top 16%)
21M21.00 mi1.00 mi1084+471021+461021+46789(Top 3%)746(Top 5%)746(Top 13%)
35K21.75 mi0.75 mi1078+61015+61015+61252(Top 4%)1182(Top 7%)1182(Top 21%)
23M23.00 mi1.25 mi1057+21995+20995+201344(Top 5%)1263(Top 8%)1263(Top 22%)
24M24.00 mi1.00 mi1065-81003-81003-81456(Top 5%)1360(Top 8%)1360(Top 24%)
40K24.85 mi0.85 mi1046+19985+18985+181092(Top 4%)1021(Top 6%)1021(Top 18%)
25.2M25.20 mi0.35 mi1036+10975+10975+101108(Top 4%)1018(Top 6%)1018(Top 18%)
Finish26.22 mi1.02 mi1009+27948+27948+27913(Top 3%)858(Top 5%)858(Top 15%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1361

Males

1293

M18-39

1293

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1346

Males

1276

M18-39

1276

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1361

Males

1293

M18-39

1293

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1437

Males

1362

M18-39

1362

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1441

Males

1369

M18-39

1369

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1173

Males

1107

M18-39

1107

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

810

Males

759

M18-39

759

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

939

Males

885

M18-39

885

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

789

Males

746

M18-39

746

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1252

Males

1182

M18-39

1182

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1344

Males

1263

M18-39

1263

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1456

Males

1360

M18-39

1360

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1092

Males

1021

M18-39

1021

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1108

Males

1018

M18-39

1018

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

913

Males

858

M18-39

858

Passing Analysis

Category:
Athletes Passed
573
Passed By
291
Net Change
+282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1291
5K → 10K5960-1#1291#1292
10K → 15K4056-16#1292#1308
15K → 20K4058-18#1308#1326
20K → Half415-11#1326#1337
Half → 25K6413+51#1337#1286
25K → 30K1294+125#1286#1161
30K → 20M4313+30#1161#1131
20M → 21M547+47#1131#1084
21M → 35K1711+6#1084#1078
35K → 23M4221+21#1078#1057
23M → 24M1119-8#1057#1065
24M → 40K2910+19#1065#1046
40K → 25.2M122+10#1046#1036
25.2M → Finish292+27#1036#1009
TOTALS573291+282
📊

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