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BOSTON MARATHON 2024

C Fred Joslyn

Bib: 1131•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 3%
Gender (Male)
#0 / 14578
Top 5%
Masters (Masters Men)
#0 / 9729
Top 1%
Division (M40-44)
#0 / 2009
Top 4%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:49
Rank: #1093
Start → 5K
6:03/mi
18:49 split
10K· 6.21 mi
37:48
Rank: #1129 (-36)
5K → 10K
6:07/mi
18:59 split
15K· 9.32 mi
56:46
Rank: #1090 (+39)
10K → 15K
6:06/mi
18:58 split
20K· 12.43 mi
1:15:49
Rank: #1010 (+80)
15K → 20K
6:08/mi
19:03 split
Half· 13.11 mi
1:19:55
Rank: #998 (+12)
20K → Half
6:01/mi
4:06 split
25K· 15.53 mi
1:34:46
Rank: #917 (+81)
Half → 25K
6:07/mi
14:51 split
30K· 18.64 mi
1:54:21
Rank: #829 (+88)
25K → 30K
6:18/mi
19:35 split
20M
2:02:59
Rank: #779 (+50)
30K → 20M
6:21/mi
8:38 split
21M
2:09:43
Rank: #758 (+21)
20M → 21M
6:44/mi
6:44 split
35K· 21.75 mi
2:14:20
Rank: #735 (+23)
21M → 35K
6:10/mi
4:37 split
23M
2:22:16
Rank: #697 (+38)
35K → 23M
6:20/mi
7:56 split
24M
2:28:38
Rank: #670 (+27)
23M → 24M
6:22/mi
6:22 split
40K· 24.85 mi
2:34:24
Rank: #666 (+4)
24M → 40K
6:45/mi
5:46 split
25.2M
2:37:04
Rank: #672 (-6)
40K → 25.2M
7:44/mi
2:40 split
Finish· 26.22 mi
2:44:06
Rank: #712 (-40)
25.2M → Finish
6:54/mi
7:02 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:55
Pace6:06 /mi
2nd Half
Distance13.11 mi
Time1:24:11
Pace6:25 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1918:496:0318:49
6:03
-
10K
6.21 mi10:38:1837:486:0518:59
6:07
+0:04
15K
9.32 mi10:57:1656:466:0518:58
6:06
-0:01
20K
12.43 mi11:16:191:15:496:0619:03
6:08
+0:02
Half
13.11 mi11:20:251:19:556:064:06
6:01
-0:07
25K
15.53 mi11:35:161:34:466:0614:51
6:07
+0:06
30K
18.64 mi11:54:511:54:216:0819:35
6:18
+0:11
20M
20.00 mi12:03:292:02:596:098:38
6:21
+0:03
21M
21.00 mi12:10:132:09:436:116:44
6:44
+0:23
35K
21.75 mi12:14:502:14:206:114:37
6:10
-0:34
23M
23.00 mi12:22:462:22:166:117:56
6:20
+0:10
24M
24.00 mi12:29:082:28:386:126:22
6:22
+0:02
40K
24.85 mi12:34:542:34:246:135:46
6:45
+0:23
25.2M
25.20 mi12:37:342:37:046:142:40
7:44
+0:59
Finish
26.22 mi12:44:362:44:066:167:02
6:54
-0:50

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

6:01 /mi

Average Pace

6:16 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:55

14% of race

Time at Steady Pace

1:58:59

73% of race

Time at Slower Pace

22:12

14% of race

Average Pace: 6:16 /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 mi10:19:1918:496:0318:49
6:03
#1093
10K
6.21 mi10:38:1837:486:0518:59
6:07
#1129
15K
9.32 mi10:57:1656:466:0518:58
6:06
#1090
20K
12.43 mi11:16:191:15:496:0619:03
6:08
#1010
Half
13.11 mi11:20:251:19:556:064:06
6:01
#998
25K
15.53 mi11:35:161:34:466:0614:51
6:07
#917
30K
18.64 mi11:54:511:54:216:0819:35
6:18
#829
20M
20.00 mi12:03:292:02:596:098:38
6:21
#779
21M
21.00 mi12:10:132:09:436:116:44
6:44
#758
35K
21.75 mi12:14:502:14:206:114:37
6:10
#735
23M
23.00 mi12:22:462:22:166:117:56
6:20
#697
24M
24.00 mi12:29:082:28:386:126:22
6:22
#670
40K
24.85 mi12:34:542:34:246:135:46
6:45
#666
25.2M
25.20 mi12:37:342:37:046:142:40
7:44
#672
Finish
26.22 mi12:44:362:44:066:167:02
6:54
#712
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1093105410541060(Top 4%)1023(Top 7%)1023(Top 51%)
10K6.21 mi3.10 mi1129-361089-351089-351177(Top 5%)1138(Top 8%)1138(Top 57%)
15K9.32 mi3.11 mi1090+391051+381051+381060(Top 4%)1023(Top 7%)1023(Top 51%)
20K12.43 mi3.11 mi1010+80975+76975+76879(Top 3%)846(Top 6%)846(Top 42%)
Half13.11 mi0.68 mi998+12963+12963+12800(Top 3%)771(Top 5%)771(Top 38%)
25K15.53 mi2.42 mi917+81883+80883+80699(Top 3%)669(Top 5%)669(Top 33%)
30K18.64 mi3.11 mi829+88796+87796+87642(Top 3%)612(Top 4%)612(Top 30%)
20M20.00 mi1.36 mi779+50746+50746+50596(Top 2%)565(Top 4%)565(Top 28%)
21M21.00 mi1.00 mi758+21726+20726+20604(Top 2%)567(Top 4%)567(Top 28%)
35K21.75 mi0.75 mi735+23703+23703+23579(Top 2%)545(Top 4%)545(Top 27%)
23M23.00 mi1.25 mi697+38667+36667+36460(Top 2%)430(Top 3%)430(Top 21%)
24M24.00 mi1.00 mi670+27640+27640+27713(Top 3%)671(Top 5%)671(Top 33%)
40K24.85 mi0.85 mi666+4635+5635+51163(Top 5%)1076(Top 7%)1076(Top 54%)
25.2M25.20 mi0.35 mi672-6640-5640-51938(Top 8%)1706(Top 12%)1706(Top 85%)
Finish26.22 mi1.02 mi712-40680-40680-402704(Top 11%)2301(Top 16%)2301(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21story building
+97ft-345ft

Overall

1060

Males

1023

M40-44

1023

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1177

Males

1138

M40-44

1138

10K→15K

6.2 - 9.3 mi

Top 4%
×3story building
+67ft-78ft

Overall

1060

Males

1023

M40-44

1023

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

879

Males

846

M40-44

846

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

800

Males

771

M40-44

771

Half→25K

13.1 - 15.5 mi

Top 3%
×4story building
+66ft-88ft

Overall

699

Males

669

M40-44

669

25K→30K

15.5 - 18.6 mi

Top 3%
×9story building
+181ft-148ft

Overall

642

Males

612

M40-44

612

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

596

Males

565

M40-44

565

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

604

Males

567

M40-44

567

21M→35K

21.0 - 21.8 mi

Top 2%
×7story building
+17ft-86ft

Overall

579

Males

545

M40-44

545

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

460

Males

430

M40-44

430

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

713

Males

671

M40-44

671

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1163

Males

1076

M40-44

1076

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

1938

Males

1706

M40-44

1706

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2704

Males

2301

M40-44

2301

Passing Analysis

Category:
Athletes Passed
619
Passed By
238
Net Change
+381
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1093
5K → 10K4985-36#1093#1129
10K → 15K6526+39#1129#1090
15K → 20K9212+80#1090#1010
20K → Half164+12#1010#998
Half → 25K865+81#998#917
25K → 30K10012+88#917#829
30K → 20M522+50#829#779
20M → 21M309+21#779#758
21M → 35K274+23#758#735
35K → 23M457+38#735#697
23M → 24M336+27#697#670
24M → 40K1511+4#670#666
40K → 25.2M410-6#666#672
25.2M → Finish545-40#672#712
TOTALS619238+381
📊

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