Boston Marathon logo
BOSTON MARATHON 2025

William Labus

Bib: 8265•M

IN

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
31:58
Rank: #26280
Start → 5K
31:58 | 10:17/mi
10K· 6.21 mi
1:05:47
Rank: #26667 (-387)
5K → 10K
33:49 | 10:53/mi
15K· 9.32 mi
1:41:16
Rank: #26892 (-225)
10K → 15K
35:29 | 11:25/mi
20K· 12.43 mi
2:18:11
Rank: #26947 (-55)
15K → 20K
36:55 | 11:53/mi
Half· 13.11 mi
2:25:48
Rank: #26930 (+17)
20K → Half
7:37 | 11:10/mi
25K· 15.53 mi
2:55:25
Rank: #26904 (+26)
Half → 25K
29:37 | 12:13/mi
30K· 18.64 mi
3:37:43
Rank: #26999 (-95)
25K → 30K
42:18 | 13:37/mi
20M
3:59:11
Rank: #27142 (-143)
30K → 20M
21:28 | 15:48/mi
21M
4:16:28
Rank: #27272 (-130)
20M → 21M
17:17 | 17:17/mi
35K· 21.75 mi
4:27:08
Rank: #27308 (-36)
21M → 35K
10:40 | 14:15/mi
23M
4:44:05
Rank: #27304 (+4)
35K → 23M
16:57 | 13:32/mi
24M
4:57:45
Rank: #27325 (-21)
23M → 24M
13:40 | 13:40/mi
40K· 24.85 mi
5:10:22
Rank: #27345 (-20)
24M → 40K
12:37 | 14:45/mi
25.2M
5:15:21
Rank: #27343 (+2)
40K → 25.2M
4:59 | 14:27/mi
Finish· 26.22 mi
5:27:49
Rank: #27352 (-9)
25.2M → Finish
12:28 | 12:14/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:48
Pace11:07 /mi
2nd Half
Distance13.11 mi
Time3:02:01
Pace13:53 /mi
📊Positive Split: 24.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:41:3831:5810:1731:58
10:17
-
10K
6.21 mi11:15:271:05:4710:3533:49
10:53
+0:36
15K
9.32 mi11:50:561:41:1610:5235:29
11:25
+0:32
20K
12.43 mi12:27:512:18:1111:0736:55
11:53
+0:28
Half
13.11 mi12:35:282:25:4811:077:37
11:10
-0:43
25K
15.53 mi13:05:052:55:2511:1829:37
12:13
+1:03
30K
18.64 mi13:47:233:37:4311:4142:18
13:37
+1:24
20M
20.00 mi14:08:513:59:1111:5821:28
15:48
+2:11
21M
21.00 mi14:26:084:16:2812:1317:17
17:17
+1:29
35K
21.75 mi14:36:484:27:0812:1710:40
14:15
-3:02
23M
23.00 mi14:53:454:44:0512:2116:57
13:32
-0:43
24M
24.00 mi15:07:254:57:4512:2413:40
13:40
+0:08
40K
24.85 mi15:20:025:10:2212:2912:37
14:45
+1:05
25.2M
25.20 mi15:25:015:15:2112:314:59
14:27
-0:18
Finish
26.22 mi15:37:295:27:4912:3112:28
12:14
-2:13

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

10:17 /mi

Average Pace

12:31 /mi

Slowest Pace

17:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:53

57% of race

Time at Steady Pace

1:28:34

27% of race

Time at Slower Pace

51:22

16% of race

Average Pace: 12:30 /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 mi10:41:3831:5810:1731:58
10:17
#26280
10K
6.21 mi11:15:271:05:4710:3533:49
10:53
#26667
15K
9.32 mi11:50:561:41:1610:5235:29
11:25
#26892
20K
12.43 mi12:27:512:18:1111:0736:55
11:53
#26947
Half
13.11 mi12:35:282:25:4811:077:37
11:10
#26930
25K
15.53 mi13:05:052:55:2511:1829:37
12:13
#26904
30K
18.64 mi13:47:233:37:4311:4142:18
13:37
#26999
20M
20.00 mi14:08:513:59:1111:5821:28
15:48
#27142
21M
21.00 mi14:26:084:16:2812:1317:17
17:17
#27272
35K
21.75 mi14:36:484:27:0812:1710:40
14:15
#27308
23M
23.00 mi14:53:454:44:0512:2116:57
13:32
#27304
24M
24.00 mi15:07:254:57:4512:2413:40
13:40
#27325
40K
24.85 mi15:20:025:10:2212:2912:37
14:45
#27345
25.2M
25.20 mi15:25:015:15:2112:314:59
14:27
#27343
Finish
26.22 mi15:37:295:27:4912:3112:28
12:14
#27352
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26280153051530527165(Top 96%)15627(Top 97%)15627(Top 277%)
10K6.21 mi3.10 mi26667-38715457-15215457-15226905(Top 95%)15529(Top 96%)15529(Top 275%)
15K9.32 mi3.11 mi26892-22515532-7515532-7527165(Top 96%)15627(Top 97%)15627(Top 277%)
20K12.43 mi3.11 mi26947-5515544-1215544-1227014(Top 95%)15546(Top 97%)15546(Top 276%)
Half13.11 mi0.68 mi26930+1715531+1315531+1326736(Top 94%)15410(Top 96%)15410(Top 273%)
25K15.53 mi2.42 mi26904+2615514+1715514+1726654(Top 94%)15365(Top 95%)15365(Top 272%)
30K18.64 mi3.11 mi26999-9515538-2415538-2427215(Top 96%)15533(Top 96%)15533(Top 275%)
20M20.00 mi1.36 mi27142-14315586-4815586-4828121(Top 99%)15935(Top 99%)15935(Top 282%)
21M21.00 mi1.00 mi27272-13015630-4415630-4428193(Top 99%)15979(Top 99%)15979(Top 283%)
35K21.75 mi0.75 mi27308-3615634-415634-427809(Top 98%)15726(Top 98%)15726(Top 279%)
23M23.00 mi1.25 mi27304+415626+815626+826912(Top 95%)15287(Top 95%)15287(Top 271%)
24M24.00 mi1.00 mi27325-2115629-315629-327440(Top 97%)15510(Top 96%)15510(Top 275%)
40K24.85 mi0.85 mi27345-2015631-215631-227657(Top 97%)15639(Top 97%)15639(Top 277%)
25.2M25.20 mi0.35 mi27343+215632-115632-126714(Top 94%)15124(Top 94%)15124(Top 268%)
Finish26.22 mi1.02 mi27352-915638-615638-627053(Top 95%)15333(Top 95%)15333(Top 272%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

27165

Males

15627

M18-39

15627

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

26905

Males

15529

M18-39

15529

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

27165

Males

15627

M18-39

15627

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

27014

Males

15546

M18-39

15546

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

26736

Males

15410

M18-39

15410

Half→25K

13.1 - 15.5 mi

Top 94%
×4stories
+66ft-88ft

Overall

26654

Males

15365

M18-39

15365

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27215

Males

15533

M18-39

15533

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28121

Males

15935

M18-39

15935

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

28193

Males

15979

M18-39

15979

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

27809

Males

15726

M18-39

15726

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

26912

Males

15287

M18-39

15287

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

27440

Males

15510

M18-39

15510

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

27657

Males

15639

M18-39

15639

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1story
+13ft-16ft

Overall

26714

Males

15124

M18-39

15124

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2stories
+22ft-21ft

Overall

27053

Males

15333

M18-39

15333

Passing Analysis

Category:
Athletes Passed
434
Passed By
1506
Net Change
-1072
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26280
5K → 10K49436-387#26280#26667
10K → 15K56281-225#26667#26892
15K → 20K86141-55#26892#26947
20K → Half3013+17#26947#26930
Half → 25K7650+26#26930#26904
25K → 30K45140-95#26904#26999
30K → 20M7150-143#26999#27142
20M → 21M3133-130#27142#27272
21M → 35K1450-36#27272#27308
35K → 23M2925+4#27308#27304
23M → 24M1435-21#27304#27325
24M → 40K929-20#27325#27345
40K → 25.2M86+2#27345#27343
25.2M → Finish817-9#27343#27352
TOTALS4341506-1072
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing