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BOSTON MARATHON 2025

William Diaz

Bib: 694•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Division (M18-39)
#0 / 5642
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:18
Rank: #273
Start → 5K
17:18 | 5:34/mi
10K· 6.21 mi
34:43
Rank: #288 (-15)
5K → 10K
17:25 | 5:36/mi
15K· 9.32 mi
52:32
Rank: #318 (-30)
10K → 15K
17:49 | 5:44/mi
20K· 12.43 mi
1:11:57
Rank: #515 (-197)
15K → 20K
19:25 | 6:15/mi
Half· 13.11 mi
1:16:16
Rank: #556 (-41)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:32:35
Rank: #849 (-293)
Half → 25K
16:19 | 6:44/mi
30K· 18.64 mi
1:55:25
Rank: #1447 (-598)
25K → 30K
22:50 | 7:21/mi
20M
2:06:19
Rank: #1914 (-467)
30K → 20M
10:54 | 8:01/mi
21M
2:15:30
Rank: #2402 (-488)
20M → 21M
9:11 | 9:11/mi
35K· 21.75 mi
2:21:08
Rank: #2586 (-184)
21M → 35K
5:38 | 7:32/mi
23M
2:30:41
Rank: #2798 (-212)
35K → 23M
9:33 | 7:38/mi
24M
2:38:20
Rank: #2976 (-178)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
2:44:52
Rank: #3085 (-109)
24M → 40K
6:32 | 7:38/mi
25.2M
2:47:55
Rank: #3193 (-108)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
2:55:45
Rank: #3422 (-229)
25.2M → Finish
7:50 | 7:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:16
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:39:29
Pace7:35 /mi
📊Positive Split: 30.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2217:185:3417:18
5:34
-
10K
6.21 mi10:34:4734:435:3517:25
5:36
+0:02
15K
9.32 mi10:52:3652:325:3817:49
5:44
+0:08
20K
12.43 mi11:12:011:11:575:4719:25
6:15
+0:31
Half
13.11 mi11:16:201:16:165:494:19
6:20
+0:05
25K
15.53 mi11:32:391:32:355:5816:19
6:44
+0:24
30K
18.64 mi11:55:291:55:256:1122:50
7:21
+0:37
20M
20.00 mi12:06:232:06:196:1910:54
8:01
+0:40
21M
21.00 mi12:15:342:15:306:279:11
9:11
+1:10
35K
21.75 mi12:21:122:21:086:295:38
7:32
-1:39
23M
23.00 mi12:30:452:30:416:339:33
7:38
+0:06
24M
24.00 mi12:38:242:38:206:367:39
7:39
+0:01
40K
24.85 mi12:44:562:44:526:386:32
7:38
-0:01
25.2M
25.20 mi12:47:592:47:556:403:03
8:51
+1:13
Finish
26.22 mi12:55:492:55:456:427:50
7:41
-1:10

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

5:34 /mi

Average Pace

6:42 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:35

53% of race

Time at Steady Pace

1:10:56

40% of race

Time at Slower Pace

12:14

7% of race

Average Pace: 6:42 /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 mi10:17:2217:185:3417:18
5:34
#273
10K
6.21 mi10:34:4734:435:3517:25
5:36
#288
15K
9.32 mi10:52:3652:325:3817:49
5:44
#318
20K
12.43 mi11:12:011:11:575:4719:25
6:15
#515
Half
13.11 mi11:16:201:16:165:494:19
6:20
#556
25K
15.53 mi11:32:391:32:355:5816:19
6:44
#849
30K
18.64 mi11:55:291:55:256:1122:50
7:21
#1447
20M
20.00 mi12:06:232:06:196:1910:54
8:01
#1914
21M
21.00 mi12:15:342:15:306:279:11
9:11
#2402
35K
21.75 mi12:21:122:21:086:295:38
7:32
#2586
23M
23.00 mi12:30:452:30:416:339:33
7:38
#2798
24M
24.00 mi12:38:242:38:206:367:39
7:39
#2976
40K
24.85 mi12:44:562:44:526:386:32
7:38
#3085
25.2M
25.20 mi12:47:592:47:556:403:03
8:51
#3193
Finish
26.22 mi12:55:492:55:456:427:50
7:41
#3422
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi273245245434(Top 2%)403(Top 3%)403(Top 7%)
10K6.21 mi3.10 mi288-15259-14259-14307(Top 1%)278(Top 2%)278(Top 5%)
15K9.32 mi3.11 mi318-30289-30289-30434(Top 2%)403(Top 3%)403(Top 7%)
20K12.43 mi3.11 mi515-197478-189478-1891801(Top 6%)1712(Top 11%)1712(Top 30%)
Half13.11 mi0.68 mi556-41514-36514-362713(Top 10%)2596(Top 16%)2596(Top 46%)
25K15.53 mi2.42 mi849-293797-283797-2834352(Top 15%)4034(Top 25%)4034(Top 71%)
30K18.64 mi3.11 mi1447-5981369-5721369-5726745(Top 24%)5814(Top 36%)5814(Top 103%)
20M20.00 mi1.36 mi1914-4671821-4521821-45210549(Top 37%)7802(Top 48%)7802(Top 138%)
21M21.00 mi1.00 mi2402-4882289-4682289-46814493(Top 51%)9554(Top 59%)9554(Top 169%)
35K21.75 mi0.75 mi2586-1842462-1732462-1738789(Top 31%)6720(Top 42%)6720(Top 119%)
23M23.00 mi1.25 mi2798-2122654-1922654-1927410(Top 26%)5813(Top 36%)5813(Top 103%)
24M24.00 mi1.00 mi2976-1782815-1612815-1618735(Top 31%)6502(Top 40%)6502(Top 115%)
40K24.85 mi0.85 mi3085-1092911-962911-967670(Top 27%)5808(Top 36%)5808(Top 103%)
25.2M25.20 mi0.35 mi3193-1083005-943005-9410801(Top 38%)7354(Top 46%)7354(Top 130%)
Finish26.22 mi1.02 mi3422-2293201-1963201-19610564(Top 37%)7272(Top 45%)7272(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

434

Males

403

M18-39

403

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

307

Males

278

M18-39

278

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

434

Males

403

M18-39

403

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1801

Males

1712

M18-39

1712

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2713

Males

2596

M18-39

2596

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4352

Males

4034

M18-39

4034

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6745

Males

5814

M18-39

5814

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

10549

Males

7802

M18-39

7802

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

14493

Males

9554

M18-39

9554

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8789

Males

6720

M18-39

6720

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

7410

Males

5813

M18-39

5813

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8735

Males

6502

M18-39

6502

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7670

Males

5808

M18-39

5808

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10801

Males

7354

M18-39

7354

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10564

Males

7272

M18-39

7272

Passing Analysis

Category:
Athletes Passed
90
Passed By
3239
Net Change
-3149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#273
5K → 10K823-15#273#288
10K → 15K636-30#288#318
15K → 20K0197-197#318#515
20K → Half041-41#515#556
Half → 25K2295-293#556#849
25K → 30K2600-598#849#1447
30K → 20M0467-467#1447#1914
20M → 21M4492-488#1914#2402
21M → 35K8192-184#2402#2586
35K → 23M18230-212#2586#2798
23M → 24M9187-178#2798#2976
24M → 40K19128-109#2976#3085
40K → 25.2M7115-108#3085#3193
25.2M → Finish7236-229#3193#3422
TOTALS903239-3149
📊

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