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BOSTON MARATHON 2023

Brad Hack

Bib: 9038•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:39
Rank: #13528
Start → 5K
24:39 | 7:56/mi
10K· 6.21 mi
48:50
Rank: #13256 (+272)
5K → 10K
24:11 | 7:47/mi
15K· 9.32 mi
1:13:29
Rank: #13442 (-186)
10K → 15K
24:39 | 7:56/mi
20K· 12.43 mi
1:38:34
Rank: #13550 (-108)
15K → 20K
25:05 | 8:04/mi
Half· 13.11 mi
1:43:50
Rank: #13476 (+74)
20K → Half
5:16 | 7:43/mi
25K· 15.53 mi
2:03:42
Rank: #13579 (-103)
Half → 25K
19:52 | 8:12/mi
30K· 18.64 mi
2:30:31
Rank: #13882 (-303)
25K → 30K
26:49 | 8:38/mi
20M
2:42:41
Rank: #14111 (-229)
30K → 20M
12:10 | 8:57/mi
21M
2:51:38
Rank: #14013 (+98)
20M → 21M
8:57 | 8:57/mi
35K· 21.75 mi
2:57:57
Rank: #14032 (-19)
21M → 35K
6:19 | 8:27/mi
23M
3:09:07
Rank: #14116 (-84)
35K → 23M
11:10 | 8:55/mi
24M
3:17:55
Rank: #14219 (-103)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:25:45
Rank: #14323 (-104)
24M → 40K
7:50 | 9:10/mi
25.2M
3:29:10
Rank: #14373 (-50)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:38:19
Rank: #14501 (-128)
25.2M → Finish
9:09 | 8:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:50
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:54:29
Pace8:44 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1224:397:5624:39
7:56
-
10K
6.21 mi11:14:2348:507:5224:11
7:47
-0:09
15K
9.32 mi11:39:021:13:297:5324:39
7:56
+0:09
20K
12.43 mi12:04:071:38:347:5625:05
8:04
+0:08
Half
13.11 mi12:09:231:43:507:555:16
7:43
-0:21
25K
15.53 mi12:29:152:03:427:5819:52
8:12
+0:29
30K
18.64 mi12:56:042:30:318:0426:49
8:38
+0:26
20M
20.00 mi13:08:142:42:418:0812:10
8:57
+0:19
21M
21.00 mi13:17:112:51:388:108:57
8:57
0:00
35K
21.75 mi13:23:302:57:578:116:19
8:27
-0:30
23M
23.00 mi13:34:403:09:078:1311:10
8:55
+0:28
24M
24.00 mi13:43:283:17:558:158:48
8:48
-0:07
40K
24.85 mi13:51:183:25:458:177:50
9:10
+0:22
25.2M
25.20 mi13:54:433:29:108:183:25
9:54
+0:44
Finish
26.22 mi14:03:523:38:198:209:09
8:59
-0:55

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

7:43 /mi

Average Pace

8:20 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:42

57% of race

Time at Steady Pace

53:06

24% of race

Time at Slower Pace

41:31

19% of race

Average Pace: 8:20 /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 mi10:50:1224:397:5624:39
7:56
#13528
10K
6.21 mi11:14:2348:507:5224:11
7:47
#13256
15K
9.32 mi11:39:021:13:297:5324:39
7:56
#13442
20K
12.43 mi12:04:071:38:347:5625:05
8:04
#13550
Half
13.11 mi12:09:231:43:507:555:16
7:43
#13476
25K
15.53 mi12:29:152:03:427:5819:52
8:12
#13579
30K
18.64 mi12:56:042:30:318:0426:49
8:38
#13882
20M
20.00 mi13:08:142:42:418:0812:10
8:57
#14111
21M
21.00 mi13:17:112:51:388:108:57
8:57
#14013
35K
21.75 mi13:23:302:57:578:116:19
8:27
#14032
23M
23.00 mi13:34:403:09:078:1311:10
8:55
#14116
24M
24.00 mi13:43:283:17:558:158:48
8:48
#14219
40K
24.85 mi13:51:183:25:458:177:50
9:10
#14323
25.2M
25.20 mi13:54:433:29:108:183:25
9:54
#14373
Finish
26.22 mi14:03:523:38:198:209:09
8:59
#14501
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi135289773977313844(Top 52%)9837(Top 65%)9837(Top 439%)
10K6.21 mi3.10 mi13256+2729643+1309643+13012981(Top 49%)9548(Top 63%)9548(Top 426%)
15K9.32 mi3.11 mi13442-1869707-649707-6413844(Top 52%)9837(Top 65%)9837(Top 439%)
20K12.43 mi3.11 mi13550-1089722-159722-1514038(Top 53%)9893(Top 65%)9893(Top 441%)
Half13.11 mi0.68 mi13476+749690+329690+3212019(Top 45%)9096(Top 60%)9096(Top 406%)
25K15.53 mi2.42 mi13579-1039714-249714-2414166(Top 53%)9829(Top 65%)9829(Top 439%)
30K18.64 mi3.11 mi13882-3039797-839797-8315103(Top 57%)10086(Top 66%)10086(Top 450%)
20M20.00 mi1.36 mi14111-2299858-619858-6116264(Top 61%)10510(Top 69%)10510(Top 469%)
21M21.00 mi1.00 mi14013+989804+549804+5413169(Top 49%)9104(Top 60%)9104(Top 406%)
35K21.75 mi0.75 mi14032-199795+99795+914947(Top 56%)9852(Top 65%)9852(Top 440%)
23M23.00 mi1.25 mi14116-849802-79802-715614(Top 59%)10072(Top 66%)10072(Top 449%)
24M24.00 mi1.00 mi14219-1039822-209822-2016167(Top 61%)10245(Top 68%)10245(Top 457%)
40K24.85 mi0.85 mi14323-1049835-139835-1316894(Top 63%)10530(Top 69%)10530(Top 470%)
25.2M25.20 mi0.35 mi14373-509848-139848-1316951(Top 64%)10528(Top 69%)10528(Top 470%)
Finish26.22 mi1.02 mi14501-1289885-379885-3717845(Top 67%)10987(Top 72%)10987(Top 490%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13844

Males

9837

M40-44

9837

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

12981

Males

9548

M40-44

9548

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13844

Males

9837

M40-44

9837

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14038

Males

9893

M40-44

9893

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

12019

Males

9096

M40-44

9096

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14166

Males

9829

M40-44

9829

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15103

Males

10086

M40-44

10086

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

16264

Males

10510

M40-44

10510

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13169

Males

9104

M40-44

9104

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

14947

Males

9852

M40-44

9852

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15614

Males

10072

M40-44

10072

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16167

Males

10245

M40-44

10245

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16894

Males

10530

M40-44

10530

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16951

Males

10528

M40-44

10528

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17845

Males

10987

M40-44

10987

Passing Analysis

Category:
Athletes Passed
1435
Passed By
2408
Net Change
-973
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13528
5K → 10K460188+272#13528#13256
10K → 15K139325-186#13256#13442
15K → 20K143251-108#13442#13550
20K → Half817+74#13550#13476
Half → 25K101204-103#13476#13579
25K → 30K106409-303#13579#13882
30K → 20M40269-229#13882#14111
20M → 21M14345+98#14111#14013
21M → 35K4160-19#14013#14032
35K → 23M67151-84#14032#14116
23M → 24M35138-103#14116#14219
24M → 40K36140-104#14219#14323
40K → 25.2M1464-50#14323#14373
25.2M → Finish29157-128#14373#14501
TOTALS14352408-973
📊

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