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BOSTON MARATHON 2025

William Hackler

Bib: 2716•M

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:19
Rank: #1962
Start → 5K
19:19 | 6:13/mi
10K· 6.21 mi
38:18
Rank: #1697 (+265)
5K → 10K
18:59 | 6:07/mi
15K· 9.32 mi
57:16
Rank: #1588 (+109)
10K → 15K
18:58 | 6:06/mi
20K· 12.43 mi
1:16:23
Rank: #1517 (+71)
15K → 20K
19:07 | 6:09/mi
Half· 13.11 mi
1:20:29
Rank: #1500 (+17)
20K → Half
4:06 | 6:01/mi
25K· 15.53 mi
1:35:16
Rank: #1404 (+96)
Half → 25K
14:47 | 6:06/mi
30K· 18.64 mi
1:54:39
Rank: #1306 (+98)
25K → 30K
19:23 | 6:14/mi
20M
2:03:17
Rank: #1273 (+33)
30K → 20M
8:38 | 6:21/mi
21M
2:10:10
Rank: #1266 (+7)
20M → 21M
6:53 | 6:53/mi
35K· 21.75 mi
2:15:06
Rank: #1291 (-25)
21M → 35K
4:56 | 6:36/mi
23M
2:24:06
Rank: #1401 (-110)
35K → 23M
9:00 | 7:11/mi
24M
2:31:15
Rank: #1516 (-115)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
2:37:43
Rank: #1657 (-141)
24M → 40K
6:28 | 7:34/mi
25.2M
2:40:32
Rank: #1725 (-68)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
2:47:57
Rank: #1874 (-149)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:29
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:27:28
Pace6:40 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5419:196:1319:19
6:13
-
10K
6.21 mi10:39:5338:186:1018:59
6:07
-0:06
15K
9.32 mi10:58:5157:166:0918:58
6:06
-0:01
20K
12.43 mi11:17:581:16:236:0919:07
6:09
+0:03
Half
13.11 mi11:22:041:20:296:084:06
6:01
-0:08
25K
15.53 mi11:36:511:35:166:0814:47
6:06
+0:05
30K
18.64 mi11:56:141:54:396:0919:23
6:14
+0:08
20M
20.00 mi12:04:522:03:176:108:38
6:21
+0:07
21M
21.00 mi12:11:452:10:106:126:53
6:53
+0:32
35K
21.75 mi12:16:412:15:066:134:56
6:36
-0:17
23M
23.00 mi12:25:412:24:066:169:00
7:11
+0:35
24M
24.00 mi12:32:502:31:156:187:09
7:09
-0:02
40K
24.85 mi12:39:182:37:436:216:28
7:34
+0:25
25.2M
25.20 mi12:42:072:40:326:222:49
8:10
+0:36
Finish
26.22 mi12:49:322:47:576:257:25
7:17
-0:53

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

6:01 /mi

Average Pace

6:25 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:06

2% of race

Time at Steady Pace

2:04:07

74% of race

Time at Slower Pace

39:44

24% of race

Average Pace: 6:24 /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 mi10:20:5419:196:1319:19
6:13
#1962
10K
6.21 mi10:39:5338:186:1018:59
6:07
#1697
15K
9.32 mi10:58:5157:166:0918:58
6:06
#1588
20K
12.43 mi11:17:581:16:236:0919:07
6:09
#1517
Half
13.11 mi11:22:041:20:296:084:06
6:01
#1500
25K
15.53 mi11:36:511:35:166:0814:47
6:06
#1404
30K
18.64 mi11:56:141:54:396:0919:23
6:14
#1306
20M
20.00 mi12:04:522:03:176:108:38
6:21
#1273
21M
21.00 mi12:11:452:10:106:126:53
6:53
#1266
35K
21.75 mi12:16:412:15:066:134:56
6:36
#1291
23M
23.00 mi12:25:412:24:066:169:00
7:11
#1401
24M
24.00 mi12:32:502:31:156:187:09
7:09
#1516
40K
24.85 mi12:39:182:37:436:216:28
7:34
#1657
25.2M
25.20 mi12:42:072:40:326:222:49
8:10
#1725
Finish
26.22 mi12:49:322:47:576:257:25
7:17
#1874
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1962186518651416(Top 5%)1348(Top 8%)1348(Top 24%)
10K6.21 mi3.10 mi1697+2651615+2501615+2501513(Top 5%)1436(Top 9%)1436(Top 25%)
15K9.32 mi3.11 mi1588+1091511+1041511+1041416(Top 5%)1348(Top 8%)1348(Top 24%)
20K12.43 mi3.11 mi1517+711442+691442+691394(Top 5%)1321(Top 8%)1321(Top 23%)
Half13.11 mi0.68 mi1500+171425+171425+171214(Top 4%)1151(Top 7%)1151(Top 20%)
25K15.53 mi2.42 mi1404+961332+931332+931090(Top 4%)1028(Top 6%)1028(Top 18%)
30K18.64 mi3.11 mi1306+981233+991233+991037(Top 4%)975(Top 6%)975(Top 17%)
20M20.00 mi1.36 mi1273+331201+321201+321114(Top 4%)1051(Top 7%)1051(Top 19%)
21M21.00 mi1.00 mi1266+71195+61195+61839(Top 6%)1734(Top 11%)1734(Top 31%)
35K21.75 mi0.75 mi1291-251217-221217-222937(Top 10%)2709(Top 17%)2709(Top 48%)
23M23.00 mi1.25 mi1401-1101323-1061323-1064798(Top 17%)4174(Top 26%)4174(Top 74%)
24M24.00 mi1.00 mi1516-1151434-1111434-1115502(Top 19%)4599(Top 29%)4599(Top 82%)
40K24.85 mi0.85 mi1657-1411568-1341568-1347144(Top 25%)5505(Top 34%)5505(Top 98%)
25.2M25.20 mi0.35 mi1725-681632-641632-646802(Top 24%)5221(Top 32%)5221(Top 93%)
Finish26.22 mi1.02 mi1874-1491774-1421774-1427587(Top 27%)5667(Top 35%)5667(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1416

Males

1348

M18-39

1348

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1513

Males

1436

M18-39

1436

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1416

Males

1348

M18-39

1348

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1394

Males

1321

M18-39

1321

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1214

Males

1151

M18-39

1151

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1090

Males

1028

M18-39

1028

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1037

Males

975

M18-39

975

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1114

Males

1051

M18-39

1051

20M→21M

20.0 - 21.0 mi

Top 6%
×8stories
+106ft-24ft

Overall

1839

Males

1734

M18-39

1734

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2937

Males

2709

M18-39

2709

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4798

Males

4174

M18-39

4174

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5502

Males

4599

M18-39

4599

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

7144

Males

5505

M18-39

5505

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6802

Males

5221

M18-39

5221

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7587

Males

5667

M18-39

5667

Passing Analysis

Category:
Athletes Passed
833
Passed By
745
Net Change
+88
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1962
5K → 10K27813+265#1962#1697
10K → 15K12617+109#1697#1588
15K → 20K8514+71#1588#1517
20K → Half192+17#1517#1500
Half → 25K993+96#1500#1404
25K → 30K1068+98#1404#1306
30K → 20M4310+33#1306#1273
20M → 21M2619+7#1273#1266
21M → 35K1540-25#1266#1291
35K → 23M13123-110#1291#1401
23M → 24M9124-115#1401#1516
24M → 40K6147-141#1516#1657
40K → 25.2M371-68#1657#1725
25.2M → Finish5154-149#1725#1874
TOTALS833745+88
📊

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