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BOSTON MARATHON 2025

Brad Hack

Bib: 9245•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 21%
Gender (Male)
#0 / 16105
Top 33%
Masters (Masters Men)
#0 / 10463
Top 19%
Division (M45-49)
#0 / 2386
Top 25%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:41
Rank: #7644
Start → 5K
21:41 | 6:59/mi
10K· 6.21 mi
43:18
Rank: #7640 (+4)
5K → 10K
21:37 | 6:57/mi
15K· 9.32 mi
1:05:10
Rank: #7699 (-59)
10K → 15K
21:52 | 7:02/mi
20K· 12.43 mi
1:26:54
Rank: #7444 (+255)
15K → 20K
21:44 | 7:00/mi
Half· 13.11 mi
1:31:40
Rank: #7444
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:48:55
Rank: #7335 (+109)
Half → 25K
17:15 | 7:07/mi
30K· 18.64 mi
2:11:40
Rank: #7100 (+235)
25K → 30K
22:45 | 7:19/mi
20M
2:21:27
Rank: #6846 (+254)
30K → 20M
9:47 | 7:12/mi
21M
2:28:52
Rank: #6629 (+217)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:34:06
Rank: #6536 (+93)
21M → 35K
5:14 | 7:00/mi
23M
2:43:09
Rank: #6367 (+169)
35K → 23M
9:03 | 7:14/mi
24M
2:50:16
Rank: #6277 (+90)
23M → 24M
7:07 | 7:07/mi
40K· 24.85 mi
2:56:28
Rank: #6189 (+88)
24M → 40K
6:12 | 7:15/mi
25.2M
2:59:08
Rank: #6132 (+57)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:05:55
Rank: #5957 (+175)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:40
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:34:15
Pace7:11 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:1221:416:5921:41
6:59
-
10K
6.21 mi11:08:4943:186:5821:37
6:57
-0:02
15K
9.32 mi11:30:411:05:107:0021:52
7:02
+0:05
20K
12.43 mi11:52:251:26:547:0021:44
7:00
-0:02
Half
13.11 mi11:57:111:31:407:004:46
6:59
-0:01
25K
15.53 mi12:14:261:48:557:0117:15
7:07
+0:08
30K
18.64 mi12:37:112:11:407:0422:45
7:19
+0:12
20M
20.00 mi12:46:582:21:277:049:47
7:12
-0:07
21M
21.00 mi12:54:232:28:527:057:25
7:25
+0:13
35K
21.75 mi12:59:372:34:067:055:14
7:00
-0:25
23M
23.00 mi13:08:402:43:097:069:03
7:14
+0:14
24M
24.00 mi13:15:472:50:167:067:07
7:07
-0:07
40K
24.85 mi13:21:592:56:287:066:12
7:15
+0:08
25.2M
25.20 mi13:24:392:59:087:072:40
7:44
+0:29
Finish
26.22 mi13:31:263:05:557:066:47
6:39
-1:05

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

6:39 /mi

Average Pace

7:06 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:05

82% of race

Time at Steady Pace

32:50

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:05 /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 mi10:47:1221:416:5921:41
6:59
#7644
10K
6.21 mi11:08:4943:186:5821:37
6:57
#7640
15K
9.32 mi11:30:411:05:107:0021:52
7:02
#7699
20K
12.43 mi11:52:251:26:547:0021:44
7:00
#7444
Half
13.11 mi11:57:111:31:407:004:46
6:59
#7444
25K
15.53 mi12:14:261:48:557:0117:15
7:07
#7335
30K
18.64 mi12:37:112:11:407:0422:45
7:19
#7100
20M
20.00 mi12:46:582:21:277:049:47
7:12
#6846
21M
21.00 mi12:54:232:28:527:057:25
7:25
#6629
35K
21.75 mi12:59:372:34:067:055:14
7:00
#6536
23M
23.00 mi13:08:402:43:097:069:03
7:14
#6367
24M
24.00 mi13:15:472:50:167:067:07
7:07
#6277
40K
24.85 mi13:21:592:56:287:066:12
7:15
#6189
25.2M
25.20 mi13:24:392:59:087:072:40
7:44
#6132
Finish
26.22 mi13:31:263:05:557:066:47
6:39
#5957
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi7644675467547855(Top 28%)6847(Top 43%)6847(Top 287%)
10K6.21 mi3.10 mi7640+46752+26752+27636(Top 27%)6735(Top 42%)6735(Top 282%)
15K9.32 mi3.11 mi7699-596775-236775-237855(Top 28%)6847(Top 43%)6847(Top 287%)
20K12.43 mi3.11 mi7444+2556592+1836592+1836843(Top 24%)6086(Top 38%)6086(Top 255%)
Half13.11 mi0.68 mi74446590+26590+27403(Top 26%)6493(Top 40%)6493(Top 272%)
25K15.53 mi2.42 mi7335+1096495+956495+957045(Top 25%)6147(Top 38%)6147(Top 258%)
30K18.64 mi3.11 mi7100+2356282+2136282+2136562(Top 23%)5683(Top 35%)5683(Top 238%)
20M20.00 mi1.36 mi6846+2546067+2156067+2155187(Top 18%)4617(Top 29%)4617(Top 194%)
21M21.00 mi1.00 mi6629+2175885+1825885+1824191(Top 15%)3770(Top 23%)3770(Top 158%)
35K21.75 mi0.75 mi6536+935799+865799+865301(Top 19%)4583(Top 28%)4583(Top 192%)
23M23.00 mi1.25 mi6367+1695652+1475652+1475028(Top 18%)4335(Top 27%)4335(Top 182%)
24M24.00 mi1.00 mi6277+905570+825570+825282(Top 19%)4449(Top 28%)4449(Top 186%)
40K24.85 mi0.85 mi6189+885486+845486+845328(Top 19%)4429(Top 28%)4429(Top 186%)
25.2M25.20 mi0.35 mi6132+575434+525434+524467(Top 16%)3745(Top 23%)3745(Top 157%)
Finish26.22 mi1.02 mi5957+1755288+1465288+1463639(Top 13%)3165(Top 20%)3165(Top 133%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7855

Males

6847

M45-49

6847

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7636

Males

6735

M45-49

6735

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7855

Males

6847

M45-49

6847

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6843

Males

6086

M45-49

6086

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7403

Males

6493

M45-49

6493

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

7045

Males

6147

M45-49

6147

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6562

Males

5683

M45-49

5683

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

5187

Males

4617

M45-49

4617

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4191

Males

3770

M45-49

3770

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5301

Males

4583

M45-49

4583

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5028

Males

4335

M45-49

4335

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5282

Males

4449

M45-49

4449

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5328

Males

4429

M45-49

4429

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4467

Males

3745

M45-49

3745

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3639

Males

3165

M45-49

3165

Passing Analysis

Category:
Athletes Passed
2277
Passed By
590
Net Change
+1687
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7644
5K → 10K197193+4#7644#7640
10K → 15K113172-59#7640#7699
15K → 20K27419+255#7699#7444
20K → Half28280#7444#7444
Half → 25K15647+109#7444#7335
25K → 30K29964+235#7335#7100
30K → 20M2617+254#7100#6846
20M → 21M2192+217#6846#6629
21M → 35K1029+93#6629#6536
35K → 23M18213+169#6536#6367
23M → 24M10414+90#6367#6277
24M → 40K10012+88#6277#6189
40K → 25.2M625+57#6189#6132
25.2M → Finish1805+175#6132#5957
TOTALS2277590+1687
📊

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