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BOSTON MARATHON 2024

Brian Griffiths

Bib: 29592•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:29
Rank: #21706
Start → 5K
29:29 | 9:29/mi
10K· 6.21 mi
59:59
Rank: #21964 (-258)
5K → 10K
30:30 | 9:49/mi
15K· 9.32 mi
1:30:06
Rank: #21682 (+282)
10K → 15K
30:07 | 9:42/mi
20K· 12.43 mi
2:03:41
Rank: #21851 (-169)
15K → 20K
33:35 | 10:49/mi
Half· 13.11 mi
2:10:48
Rank: #21888 (-37)
20K → Half
7:07 | 10:26/mi
25K· 15.53 mi
2:39:39
Rank: #22157 (-269)
Half → 25K
28:51 | 11:54/mi
30K· 18.64 mi
3:18:27
Rank: #22294 (-137)
25K → 30K
38:48 | 12:29/mi
20M
3:37:07
Rank: #22448 (-154)
30K → 20M
18:40 | 13:44/mi
21M
3:52:43
Rank: #22616 (-168)
20M → 21M
15:36 | 15:36/mi
35K· 21.75 mi
4:01:56
Rank: #22613 (+3)
21M → 35K
9:13 | 12:19/mi
23M
4:18:13
Rank: #22635 (-22)
35K → 23M
16:17 | 13:00/mi
24M
4:33:25
Rank: #22841 (-206)
23M → 24M
15:12 | 15:12/mi
40K· 24.85 mi
4:45:09
Rank: #22880 (-39)
24M → 40K
11:44 | 13:43/mi
25.2M
4:49:40
Rank: #22852 (+28)
40K → 25.2M
4:31 | 13:06/mi
Finish· 26.22 mi
5:00:25
Rank: #22796 (+56)
25.2M → Finish
10:45 | 10:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:48
Pace9:59 /mi
2nd Half
Distance13.11 mi
Time2:49:37
Pace12:56 /mi
📊Positive Split: 29.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0929:299:2929:29
9:29
-
10K
6.21 mi12:22:3959:599:3930:30
9:49
+0:20
15K
9.32 mi12:52:461:30:069:4030:07
9:42
-0:07
20K
12.43 mi13:26:212:03:419:5733:35
10:49
+1:07
Half
13.11 mi13:33:282:10:489:597:07
10:26
-0:23
25K
15.53 mi14:02:192:39:3910:1728:51
11:54
+1:28
30K
18.64 mi14:41:073:18:2710:3938:48
12:29
+0:35
20M
20.00 mi14:59:473:37:0710:5118:40
13:44
+1:15
21M
21.00 mi15:15:233:52:4311:0515:36
15:36
+1:52
35K
21.75 mi15:24:364:01:5611:079:13
12:19
-3:17
23M
23.00 mi15:40:534:18:1311:1416:17
13:00
+0:41
24M
24.00 mi15:56:054:33:2511:2415:12
15:12
+2:12
40K
24.85 mi16:07:494:45:0911:2811:44
13:43
-1:29
25.2M
25.20 mi16:12:204:49:4011:304:31
13:06
-0:37
Finish
26.22 mi16:23:055:00:2511:2810:45
10:33
-2:33

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

9:29 /mi

Average Pace

11:28 /mi

Slowest Pace

15:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:33

47% of race

Time at Steady Pace

1:37:40

33% of race

Time at Slower Pace

1:01:12

20% of race

Average Pace: 11:27 /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 mi11:52:0929:299:2929:29
9:29
#21706
10K
6.21 mi12:22:3959:599:3930:30
9:49
#21964
15K
9.32 mi12:52:461:30:069:4030:07
9:42
#21682
20K
12.43 mi13:26:212:03:419:5733:35
10:49
#21851
Half
13.11 mi13:33:282:10:489:597:07
10:26
#21888
25K
15.53 mi14:02:192:39:3910:1728:51
11:54
#22157
30K
18.64 mi14:41:073:18:2710:3938:48
12:29
#22294
20M
20.00 mi14:59:473:37:0710:5118:40
13:44
#22448
21M
21.00 mi15:15:233:52:4311:0515:36
15:36
#22616
35K
21.75 mi15:24:364:01:5611:079:13
12:19
#22613
23M
23.00 mi15:40:534:18:1311:1416:17
13:00
#22635
24M
24.00 mi15:56:054:33:2511:2415:12
15:12
#22841
40K
24.85 mi16:07:494:45:0911:2811:44
13:43
#22880
25.2M
25.20 mi16:12:204:49:4011:304:31
13:06
#22852
Finish
26.22 mi16:23:055:00:2511:2810:45
10:33
#22796
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21706128931289321181(Top 83%)12712(Top 87%)12712(Top 262%)
10K6.21 mi3.10 mi21964-25813027-13413027-13422129(Top 87%)13096(Top 90%)13096(Top 270%)
15K9.32 mi3.11 mi21682+28212907+12012907+12021181(Top 83%)12712(Top 87%)12712(Top 262%)
20K12.43 mi3.11 mi21851-16912983-7612983-7622296(Top 87%)13181(Top 90%)13181(Top 272%)
Half13.11 mi0.68 mi21888-3712995-1212995-1222497(Top 88%)13232(Top 91%)13232(Top 273%)
25K15.53 mi2.42 mi22157-26913110-11513110-11522997(Top 90%)13418(Top 92%)13418(Top 277%)
30K18.64 mi3.11 mi22294-13713136-2613136-2622666(Top 89%)13136(Top 90%)13136(Top 271%)
20M20.00 mi1.36 mi22448-15413187-5113187-5123710(Top 93%)13560(Top 93%)13560(Top 280%)
21M21.00 mi1.00 mi22616-16813240-5313240-5324177(Top 95%)13774(Top 94%)13774(Top 284%)
35K21.75 mi0.75 mi22613+313232+813232+822318(Top 87%)12773(Top 88%)12773(Top 263%)
23M23.00 mi1.25 mi22635-2213226+613226+622544(Top 88%)12870(Top 88%)12870(Top 265%)
24M24.00 mi1.00 mi22841-20613305-7913305-7924888(Top 97%)14121(Top 97%)14121(Top 291%)
40K24.85 mi0.85 mi22880-3913320-1513320-1523295(Top 91%)13180(Top 90%)13180(Top 272%)
25.2M25.20 mi0.35 mi22852+2813303+1713303+1719910(Top 78%)11409(Top 78%)11409(Top 235%)
Finish26.22 mi1.02 mi22796+5613268+3513268+3520161(Top 79%)11559(Top 79%)11559(Top 238%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

21181

Males

12712

M18-39

12712

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

22129

Males

13096

M18-39

13096

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

21181

Males

12712

M18-39

12712

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

22296

Males

13181

M18-39

13181

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

22497

Males

13232

M18-39

13232

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

22997

Males

13418

M18-39

13418

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

22666

Males

13136

M18-39

13136

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

23710

Males

13560

M18-39

13560

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

24177

Males

13774

M18-39

13774

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

22318

Males

12773

M18-39

12773

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

22544

Males

12870

M18-39

12870

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

24888

Males

14121

M18-39

14121

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

23295

Males

13180

M18-39

13180

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

19910

Males

11409

M18-39

11409

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

20161

Males

11559

M18-39

11559

Passing Analysis

Category:
Athletes Passed
1090
Passed By
2180
Net Change
-1090
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21706
5K → 10K136394-258#21706#21964
10K → 15K33755+282#21964#21682
15K → 20K121290-169#21682#21851
20K → Half1249-37#21851#21888
Half → 25K67336-269#21888#22157
25K → 30K118255-137#22157#22294
30K → 20M35189-154#22294#22448
20M → 21M21189-168#22448#22616
21M → 35K3936+3#22616#22613
35K → 23M6082-22#22613#22635
23M → 24M16222-206#22635#22841
24M → 40K3271-39#22841#22880
40K → 25.2M324+28#22880#22852
25.2M → Finish648+56#22852#22796
TOTALS10902180-1090
📊

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