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BOSTON MARATHON 2024

Brian Harrifeld

Bib: 15862•M

NE

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M65-69)
#0 / 617
Top 47%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:03
Rank: #18855
Start → 5K
8:42/mi
27:03 split
10K· 6.21 mi
55:12
Rank: #19406 (-551)
5K → 10K
9:04/mi
28:09 split
15K· 9.32 mi
1:24:12
Rank: #19701 (-295)
10K → 15K
9:20/mi
29:00 split
20K· 12.43 mi
1:54:09
Rank: #19684 (+17)
15K → 20K
9:38/mi
29:57 split
Half· 13.11 mi
2:00:33
Rank: #19699 (-15)
20K → Half
9:23/mi
6:24 split
25K· 15.53 mi
2:24:19
Rank: #19496 (+203)
Half → 25K
9:48/mi
23:46 split
30K· 18.64 mi
2:56:27
Rank: #19240 (+256)
25K → 30K
10:21/mi
32:08 split
20M
3:10:58
Rank: #19172 (+68)
30K → 20M
10:41/mi
14:31 split
21M
3:22:05
Rank: #18999 (+173)
20M → 21M
11:07/mi
11:07 split
35K· 21.75 mi
3:29:37
Rank: #18929 (+70)
21M → 35K
10:04/mi
7:32 split
23M
3:43:13
Rank: #18830 (+99)
35K → 23M
10:52/mi
13:36 split
24M
3:53:50
Rank: #18787 (+43)
23M → 24M
10:37/mi
10:37 split
40K· 24.85 mi
4:03:01
Rank: #18711 (+76)
24M → 40K
10:44/mi
9:11 split
25.2M
4:07:02
Rank: #18679 (+32)
40K → 25.2M
11:39/mi
4:01 split
Finish· 26.22 mi
4:17:13
Rank: #18644 (+35)
25.2M → Finish
10:00/mi
10:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:33
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:16:40
Pace10:26 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:2727:038:4227:03
8:42
-
10K
6.21 mi11:28:3655:128:5328:09
9:04
+0:22
15K
9.32 mi11:57:361:24:129:0229:00
9:20
+0:16
20K
12.43 mi12:27:331:54:099:1129:57
9:38
+0:18
Half
13.11 mi12:33:572:00:339:126:24
9:23
-0:15
25K
15.53 mi12:57:432:24:199:1723:46
9:48
+0:25
30K
18.64 mi13:29:512:56:279:2832:08
10:21
+0:33
20M
20.00 mi13:44:223:10:589:3314:31
10:41
+0:20
21M
21.00 mi13:55:293:22:059:3711:07
11:07
+0:26
35K
21.75 mi14:03:013:29:379:387:32
10:04
-1:03
23M
23.00 mi14:16:373:43:139:4213:36
10:52
+0:48
24M
24.00 mi14:27:143:53:509:4510:37
10:37
-0:15
40K
24.85 mi14:36:254:03:019:479:11
10:44
+0:07
25.2M
25.20 mi14:40:264:07:029:484:01
11:39
+0:55
Finish
26.22 mi14:50:374:17:139:4910:11
10:00
-1:39

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

8:42 /mi

Average Pace

9:49 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:33

47% of race

Time at Steady Pace

1:13:37

29% of race

Time at Slower Pace

1:03:03

25% of race

Average Pace: 9:49 /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 mi11:00:2727:038:4227:03
8:42
#18855
10K
6.21 mi11:28:3655:128:5328:09
9:04
#19406
15K
9.32 mi11:57:361:24:129:0229:00
9:20
#19701
20K
12.43 mi12:27:331:54:099:1129:57
9:38
#19684
Half
13.11 mi12:33:572:00:339:126:24
9:23
#19699
25K
15.53 mi12:57:432:24:199:1723:46
9:48
#19496
30K
18.64 mi13:29:512:56:279:2832:08
10:21
#19240
20M
20.00 mi13:44:223:10:589:3314:31
10:41
#19172
21M
21.00 mi13:55:293:22:059:3711:07
11:07
#18999
35K
21.75 mi14:03:013:29:379:387:32
10:04
#18929
23M
23.00 mi14:16:373:43:139:4213:36
10:52
#18830
24M
24.00 mi14:27:143:53:509:4510:37
10:37
#18787
40K
24.85 mi14:36:254:03:019:479:11
10:44
#18711
25.2M
25.20 mi14:40:264:07:029:484:01
11:39
#18679
Finish
26.22 mi14:50:374:17:139:4910:11
10:00
#18644
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18855115531155320127(Top 79%)12232(Top 84%)12232(Top 1982%)
10K6.21 mi3.10 mi19406-55111829-27611829-27619979(Top 78%)12120(Top 83%)12120(Top 1964%)
15K9.32 mi3.11 mi19701-29511977-14811977-14820127(Top 79%)12232(Top 84%)12232(Top 1982%)
20K12.43 mi3.11 mi19684+1711988-1111988-1119604(Top 77%)11973(Top 82%)11973(Top 1941%)
Half13.11 mi0.68 mi19699-1511992-411992-419664(Top 77%)11922(Top 82%)11922(Top 1932%)
25K15.53 mi2.42 mi19496+20311882+11011882+11018545(Top 73%)11381(Top 78%)11381(Top 1845%)
30K18.64 mi3.11 mi19240+25611694+18811694+18818363(Top 72%)11092(Top 76%)11092(Top 1798%)
20M20.00 mi1.36 mi19172+6811635+5911635+5918511(Top 72%)11014(Top 76%)11014(Top 1785%)
21M21.00 mi1.00 mi18999+17311528+10711528+10716633(Top 65%)9938(Top 68%)9938(Top 1611%)
35K21.75 mi0.75 mi18929+7011485+4311485+4317372(Top 68%)10302(Top 71%)10302(Top 1670%)
23M23.00 mi1.25 mi18830+9911422+6311422+6318029(Top 71%)10565(Top 72%)10565(Top 1712%)
24M24.00 mi1.00 mi18787+4311379+4311379+4318190(Top 71%)10592(Top 73%)10592(Top 1717%)
40K24.85 mi0.85 mi18711+7611320+5911320+5917391(Top 68%)10133(Top 70%)10133(Top 1642%)
25.2M25.20 mi0.35 mi18679+3211297+2311297+2316437(Top 64%)9654(Top 66%)9654(Top 1565%)
Finish26.22 mi1.02 mi18644+3511248+4911248+4918337(Top 72%)10640(Top 73%)10640(Top 1724%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

20127

Males

12232

M65-69

12232

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

19979

Males

12120

M65-69

12120

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

20127

Males

12232

M65-69

12232

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

19604

Males

11973

M65-69

11973

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

19664

Males

11922

M65-69

11922

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

18545

Males

11381

M65-69

11381

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

18363

Males

11092

M65-69

11092

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

18511

Males

11014

M65-69

11014

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

16633

Males

9938

M65-69

9938

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

17372

Males

10302

M65-69

10302

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18029

Males

10565

M65-69

10565

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18190

Males

10592

M65-69

10592

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

17391

Males

10133

M65-69

10133

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16437

Males

9654

M65-69

9654

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

18337

Males

10640

M65-69

10640

Passing Analysis

Category:
Athletes Passed
1974
Passed By
1763
Net Change
+211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18855
5K → 10K102653-551#18855#19406
10K → 15K137432-295#19406#19701
15K → 20K235218+17#19701#19684
20K → Half2843-15#19684#19699
Half → 25K28279+203#19699#19496
25K → 30K33882+256#19496#19240
30K → 20M12759+68#19240#19172
20M → 21M18815+173#19172#18999
21M → 35K9020+70#18999#18929
35K → 23M14041+99#18929#18830
23M → 24M8340+43#18830#18787
24M → 40K10327+76#18787#18711
40K → 25.2M4311+32#18711#18679
25.2M → Finish7843+35#18679#18644
TOTALS19741763+211
📊

Passing Visuals

Category:
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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