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BOSTON MARATHON 2024

Jason Mayfield

Bib: 8713•M

AL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:25
Rank: #6325
Start → 5K
21:25 | 6:54/mi
10K· 6.21 mi
43:25
Rank: #6765 (-440)
5K → 10K
22:00 | 7:05/mi
15K· 9.32 mi
1:06:03
Rank: #7147 (-382)
10K → 15K
22:38 | 7:17/mi
20K· 12.43 mi
1:29:15
Rank: #7320 (-173)
15K → 20K
23:12 | 7:28/mi
Half· 13.11 mi
1:34:19
Rank: #7369 (-49)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:53:24
Rank: #7610 (-241)
Half → 25K
19:05 | 7:52/mi
30K· 18.64 mi
2:23:38
Rank: #9573 (-1963)
25K → 30K
30:14 | 9:44/mi
20M
2:36:14
Rank: #9868 (-295)
30K → 20M
12:36 | 9:16/mi
21M
2:46:14
Rank: #10060 (-192)
20M → 21M
10:00 | 10:00/mi
35K· 21.75 mi
2:57:48
Rank: #11694 (-1634)
21M → 35K
11:34 | 15:28/mi
23M
3:10:03
Rank: #11898 (-204)
35K → 23M
12:15 | 9:47/mi
24M
3:23:13
Rank: #12932 (-1034)
23M → 24M
13:10 | 13:10/mi
40K· 24.85 mi
3:36:02
Rank: #14067 (-1135)
24M → 40K
12:49 | 14:59/mi
25.2M
3:39:40
Rank: #14030 (+37)
40K → 25.2M
3:38 | 10:32/mi
Finish· 26.22 mi
3:48:42
Rank: #13998 (+32)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:19
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time2:14:23
Pace10:15 /mi
📊Positive Split: 42.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4821:256:5421:25
6:54
-
10K
6.21 mi11:08:4843:256:5922:00
7:05
+0:11
15K
9.32 mi11:31:261:06:037:0522:38
7:17
+0:12
20K
12.43 mi11:54:381:29:157:1123:12
7:28
+0:11
Half
13.11 mi11:59:421:34:197:125:04
7:26
-0:02
25K
15.53 mi12:18:471:53:247:1819:05
7:52
+0:26
30K
18.64 mi12:49:012:23:387:4230:14
9:44
+1:52
20M
20.00 mi13:01:372:36:147:4912:36
9:16
-0:28
21M
21.00 mi13:11:372:46:147:5510:00
10:00
+0:44
35K
21.75 mi13:23:112:57:488:1111:34
15:28
+5:28
23M
23.00 mi13:35:263:10:038:1612:15
9:47
-5:41
24M
24.00 mi13:48:363:23:138:2813:10
13:10
+3:23
40K
24.85 mi14:01:253:36:028:4212:49
14:59
+1:49
25.2M
25.20 mi14:05:033:39:408:433:38
10:32
-4:27
Finish
26.22 mi14:14:053:48:428:449:02
8:52
-1:40

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

6:54 /mi

Average Pace

8:44 /mi

Slowest Pace

15:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:24

50% of race

Time at Steady Pace

1:17:45

34% of race

Time at Slower Pace

37:33

16% of race

Average Pace: 8:43 /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 mi10:46:4821:256:5421:25
6:54
#6325
10K
6.21 mi11:08:4843:256:5922:00
7:05
#6765
15K
9.32 mi11:31:261:06:037:0522:38
7:17
#7147
20K
12.43 mi11:54:381:29:157:1123:12
7:28
#7320
Half
13.11 mi11:59:421:34:197:125:04
7:26
#7369
25K
15.53 mi12:18:471:53:247:1819:05
7:52
#7610
30K
18.64 mi12:49:012:23:387:4230:14
9:44
#9573
20M
20.00 mi13:01:372:36:147:4912:36
9:16
#9868
21M
21.00 mi13:11:372:46:147:5510:00
10:00
#10060
35K
21.75 mi13:23:112:57:488:1111:34
15:28
#11694
23M
23.00 mi13:35:263:10:038:1612:15
9:47
#11898
24M
24.00 mi13:48:363:23:138:2813:10
13:10
#12932
40K
24.85 mi14:01:253:36:028:4212:49
14:59
#14067
25.2M
25.20 mi14:05:033:39:408:433:38
10:32
#14030
Finish
26.22 mi14:14:053:48:428:449:02
8:52
#13998
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi6325568256828061(Top 32%)6759(Top 46%)6759(Top 305%)
10K6.21 mi3.10 mi6765-4405983-3015983-3017178(Top 28%)6237(Top 43%)6237(Top 281%)
15K9.32 mi3.11 mi7147-3826222-2396222-2398061(Top 32%)6759(Top 46%)6759(Top 305%)
20K12.43 mi3.11 mi7320-1736310-886310-888145(Top 32%)6686(Top 46%)6686(Top 301%)
Half13.11 mi0.68 mi7369-496332-226332-228578(Top 34%)6967(Top 48%)6967(Top 314%)
25K15.53 mi2.42 mi7610-2416454-1226454-1229373(Top 37%)7178(Top 49%)7178(Top 324%)
30K18.64 mi3.11 mi9573-19637458-10047458-100416354(Top 64%)10171(Top 70%)10171(Top 459%)
20M20.00 mi1.36 mi9868-2957540-827540-8213489(Top 53%)8622(Top 59%)8622(Top 389%)
21M21.00 mi1.00 mi10060-1927575-357575-3512956(Top 51%)8164(Top 56%)8164(Top 368%)
35K21.75 mi0.75 mi11694-16348340-7658340-76525033(Top 98%)14230(Top 98%)14230(Top 642%)
23M23.00 mi1.25 mi11898-2048357-178357-1714665(Top 57%)8882(Top 61%)8882(Top 400%)
24M24.00 mi1.00 mi12932-10348771-4148771-41423305(Top 91%)13200(Top 91%)13200(Top 595%)
40K24.85 mi0.85 mi14067-11359234-4639234-46324525(Top 96%)13889(Top 95%)13889(Top 626%)
25.2M25.20 mi0.35 mi14030+379193+419193+4112923(Top 51%)7844(Top 54%)7844(Top 354%)
Finish26.22 mi1.02 mi13998+329155+389155+3813506(Top 53%)8246(Top 57%)8246(Top 372%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8061

Males

6759

M45-49

6759

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7178

Males

6237

M45-49

6237

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8061

Males

6759

M45-49

6759

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8145

Males

6686

M45-49

6686

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

8578

Males

6967

M45-49

6967

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9373

Males

7178

M45-49

7178

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16354

Males

10171

M45-49

10171

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

13489

Males

8622

M45-49

8622

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

12956

Males

8164

M45-49

8164

21M→35K

21.0 - 21.8 mi

Top 98%
×7stories
+17ft-86ft

Overall

25033

Males

14230

M45-49

14230

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

14665

Males

8882

M45-49

8882

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

23305

Males

13200

M45-49

13200

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

24525

Males

13889

M45-49

13889

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

12923

Males

7844

M45-49

7844

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

13506

Males

8246

M45-49

8246

Passing Analysis

Category:
Athletes Passed
836
Passed By
8504
Net Change
-7673
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6325
5K → 10K68508-440#6325#6765
10K → 15K63445-382#6765#7147
15K → 20K114287-173#7147#7320
20K → Half2170-49#7320#7369
Half → 25K110351-241#7369#7610
25K → 30K191981-1963#7610#9573
30K → 20M86380-295#9573#9868
20M → 21M77267-192#9868#10060
21M → 35K41637-1634#10060#11694
35K → 23M101305-204#11694#11898
23M → 24M101044-1034#11898#12932
24M → 40K81143-1135#12932#14067
40K → 25.2M6326+37#14067#14030
25.2M → Finish9260+32#14030#13998
TOTALS8368504-7673
📊

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