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BOSTON MARATHON 2025

William Leathers

Bib: 28119•M

MA

0:00
0:00
/ mi
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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
23:47
Rank: #13561
Start → 5K
23:47 | 7:39/mi
10K· 6.21 mi
46:18
Rank: #11708 (+1853)
5K → 10K
22:31 | 7:15/mi
15K· 9.32 mi
1:09:07
Rank: #11204 (+504)
10K → 15K
22:49 | 7:21/mi
20K· 12.43 mi
1:33:36
Rank: #11912 (-708)
15K → 20K
24:29 | 7:53/mi
Half· 13.11 mi
1:38:50
Rank: #11972 (-60)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
1:58:36
Rank: #12480 (-508)
Half → 25K
19:46 | 8:09/mi
30K· 18.64 mi
2:28:07
Rank: #14244 (-1764)
25K → 30K
29:31 | 9:30/mi
20M
2:40:45
Rank: #14648 (-404)
30K → 20M
12:38 | 9:18/mi
21M
2:52:21
Rank: #15447 (-799)
20M → 21M
11:36 | 11:36/mi
35K· 21.75 mi
2:59:10
Rank: #15590 (-143)
21M → 35K
6:49 | 9:07/mi
23M
3:11:36
Rank: #15890 (-300)
35K → 23M
12:26 | 9:56/mi
24M
3:20:26
Rank: #15910 (-20)
23M → 24M
8:50 | 8:50/mi
40K· 24.85 mi
3:28:27
Rank: #15985 (-75)
24M → 40K
8:01 | 9:23/mi
25.2M
3:31:58
Rank: #16015 (-30)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:40:58
Rank: #16106 (-91)
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:50
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time2:02:08
Pace9:19 /mi
📊Positive Split: 23.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:3323:477:3923:47
7:39
-
10K
6.21 mi12:06:0446:187:2722:31
7:15
-0:24
15K
9.32 mi12:28:531:09:077:2522:49
7:21
+0:06
20K
12.43 mi12:53:221:33:367:3224:29
7:53
+0:32
Half
13.11 mi12:58:361:38:507:325:14
7:40
-0:13
25K
15.53 mi13:18:221:58:367:3819:46
8:09
+0:29
30K
18.64 mi13:47:532:28:077:5729:31
9:30
+1:21
20M
20.00 mi14:00:312:40:458:0212:38
9:18
-0:12
21M
21.00 mi14:12:072:52:218:1211:36
11:36
+2:18
35K
21.75 mi14:18:562:59:108:146:49
9:07
-2:29
23M
23.00 mi14:31:223:11:368:2012:26
9:56
+0:49
24M
24.00 mi14:40:123:20:268:218:50
8:50
-1:06
40K
24.85 mi14:48:133:28:278:238:01
9:23
+0:33
25.2M
25.20 mi14:51:443:31:588:253:31
10:12
+0:49
Finish
26.22 mi15:00:443:40:588:269:00
8:50
-1:22

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

7:15 /mi

Average Pace

8:26 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:36

54% of race

Time at Steady Pace

45:18

21% of race

Time at Slower Pace

57:04

26% of race

Average Pace: 8:26 /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 mi11:43:3323:477:3923:47
7:39
#13561
10K
6.21 mi12:06:0446:187:2722:31
7:15
#11708
15K
9.32 mi12:28:531:09:077:2522:49
7:21
#11204
20K
12.43 mi12:53:221:33:367:3224:29
7:53
#11912
Half
13.11 mi12:58:361:38:507:325:14
7:40
#11972
25K
15.53 mi13:18:221:58:367:3819:46
8:09
#12480
30K
18.64 mi13:47:532:28:077:5729:31
9:30
#14244
20M
20.00 mi14:00:312:40:458:0212:38
9:18
#14648
21M
21.00 mi14:12:072:52:218:1211:36
11:36
#15447
35K
21.75 mi14:18:562:59:108:146:49
9:07
#15590
23M
23.00 mi14:31:223:11:368:2012:26
9:56
#15890
24M
24.00 mi14:40:123:20:268:218:50
8:50
#15910
40K
24.85 mi14:48:133:28:278:238:01
9:23
#15985
25.2M
25.20 mi14:51:443:31:588:253:31
10:12
#16015
Finish
26.22 mi15:00:443:40:588:269:00
8:50
#16106
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi135619892989210357(Top 36%)8276(Top 51%)8276(Top 147%)
10K6.21 mi3.10 mi11708+18539029+8639029+8639906(Top 35%)8092(Top 50%)8092(Top 143%)
15K9.32 mi3.11 mi11204+5048759+2708759+27010357(Top 36%)8276(Top 51%)8276(Top 147%)
20K12.43 mi3.11 mi11912-7089052-2939052-29313926(Top 49%)9839(Top 61%)9839(Top 174%)
Half13.11 mi0.68 mi11972-609080-289080-2813152(Top 46%)9551(Top 59%)9551(Top 169%)
25K15.53 mi2.42 mi12480-5089266-1869266-18614987(Top 53%)10220(Top 63%)10220(Top 181%)
30K18.64 mi3.11 mi14244-17649957-6919957-69119939(Top 70%)12255(Top 76%)12255(Top 217%)
20M20.00 mi1.36 mi14648-40410106-14910106-14918260(Top 64%)11339(Top 70%)11339(Top 201%)
21M21.00 mi1.00 mi15447-79910424-31810424-31822800(Top 80%)13341(Top 83%)13341(Top 236%)
35K21.75 mi0.75 mi15590-14310463-3910463-3918731(Top 66%)11357(Top 71%)11357(Top 201%)
23M23.00 mi1.25 mi15890-30010543-8010543-8020259(Top 71%)12030(Top 75%)12030(Top 213%)
24M24.00 mi1.00 mi15910-2010542+110542+116477(Top 58%)10241(Top 64%)10241(Top 182%)
40K24.85 mi0.85 mi15985-7510547-510547-518159(Top 64%)10904(Top 68%)10904(Top 193%)
25.2M25.20 mi0.35 mi16015-3010545+210545+217827(Top 63%)10729(Top 67%)10729(Top 190%)
Finish26.22 mi1.02 mi16106-9110571-2610571-2618187(Top 64%)10960(Top 68%)10960(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10357

Males

8276

M18-39

8276

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9906

Males

8092

M18-39

8092

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10357

Males

8276

M18-39

8276

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

13926

Males

9839

M18-39

9839

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

13152

Males

9551

M18-39

9551

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14987

Males

10220

M18-39

10220

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19939

Males

12255

M18-39

12255

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18260

Males

11339

M18-39

11339

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22800

Males

13341

M18-39

13341

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18731

Males

11357

M18-39

11357

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20259

Males

12030

M18-39

12030

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16477

Males

10241

M18-39

10241

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18159

Males

10904

M18-39

10904

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

17827

Males

10729

M18-39

10729

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18187

Males

10960

M18-39

10960

Passing Analysis

Category:
Athletes Passed
2872
Passed By
5417
Net Change
-2545
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13561
5K → 10K18585+1853#13561#11708
10K → 15K52925+504#11708#11204
15K → 20K50758-708#11204#11912
20K → Half1878-60#11912#11972
Half → 25K61569-508#11972#12480
25K → 30K391803-1764#12480#14244
30K → 20M45449-404#14244#14648
20M → 21M18817-799#14648#15447
21M → 35K27170-143#15447#15590
35K → 23M54354-300#15590#15890
23M → 24M6181-20#15890#15910
24M → 40K50125-75#15910#15985
40K → 25.2M2050-30#15985#16015
25.2M → Finish42133-91#16015#16106
TOTALS28725417-2545
📊

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