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BOSTON MARATHON 2024

Jack Forsythe

Bib: 25450•M

CA

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:32/mi
29:38
↑ 97↓ 3451.5%
10K· 6.21 mi
9:46/mi
59:59
↑ 79↓ 1380.4%
15K· 9.32 mi
9:58/mi
1:30:56
↑ 67↓ 78
20K· 12.43 mi
10:01/mi
2:02:04
↑ 106↓ 860.1%
Half· 13.11 mi
9:49/mi
2:08:46
↑ 19↓ 370.5%
25K· 15.53 mi
11:27/mi
2:36:32
↑ 66↓ 880.2%
30K· 18.64 mi
11:59/mi
3:13:47
↑ 181↓ 1480.2%
20M
11:40/mi
3:29:38
↑ 64↓ 500.2%
21M
12:50/mi
3:42:28
↑ 106↓ 241.6%
35K· 21.75 mi
11:47/mi
3:51:17
↑ 17↓ 861.7%
23M
11:14/mi
4:05:21
↑ 23↓ 630.6%
24M
11:18/mi
4:16:39
↓ 821.3%
40K· 24.85 mi
11:48/mi
4:26:44
↓ 200.3%
25.2M
13:09/mi
4:31:16
↑ 13↓ 160.2%
Finish· 26.22 mi
10:08/mi
4:41:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:46
Pace9:49 /mi
2nd Half
Distance13.11 mi
Time2:32:50
Pace11:40 /mi
📊Positive Split: 18.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3629:389:3229:38
9:32
-
10K
6.21 mi12:15:5759:599:3930:21
9:46
+0:14
15K
9.32 mi12:46:541:30:569:4530:57
9:58
+0:12
20K
12.43 mi13:18:022:02:049:4931:08
10:01
+0:03
Half
13.11 mi13:24:442:08:469:496:42
9:49
-0:12
25K
15.53 mi13:52:302:36:3210:0527:46
11:27
+1:38
30K
18.64 mi14:29:453:13:4710:2437:15
11:59
+0:32
20M
20.00 mi14:45:363:29:3810:2915:51
11:40
-0:19
21M
21.00 mi14:58:263:42:2810:3612:50
12:50
+1:10
35K
21.75 mi15:07:153:51:1710:388:49
11:47
-1:03
23M
23.00 mi15:21:194:05:2110:4014:04
11:14
-0:33
24M
24.00 mi15:32:374:16:3910:4211:18
11:18
+0:04
40K
24.85 mi15:42:424:26:4410:4410:05
11:48
+0:30
25.2M
25.20 mi15:47:144:31:1610:464:32
13:09
+1:21
Finish
26.22 mi15:57:344:41:3610:4510:20
10:08
-3:01

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

9:32 /mi

Average Pace

10:45 /mi

Slowest Pace

13:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:06

49% of race

Time at Steady Pace

1:27:53

31% of race

Time at Slower Pace

54:37

19% of race

Average Pace: 10:44 /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 mi11:45:3629:389:3229:38
9:32
#21838
10K
6.21 mi12:15:5759:599:3930:21
9:46
#21962
15K
9.32 mi12:46:541:30:569:4530:57
9:58
#21902
20K
12.43 mi13:18:022:02:049:4931:08
10:01
#21540
Half
13.11 mi13:24:442:08:469:496:42
9:49
#21495
25K
15.53 mi13:52:302:36:3210:0527:46
11:27
#21663
30K
18.64 mi14:29:453:13:4710:2437:15
11:59
#21737
20M
20.00 mi14:45:363:29:3810:2915:51
11:40
#21654
21M
21.00 mi14:58:263:42:2810:3612:50
12:50
#21589
35K
21.75 mi15:07:153:51:1710:388:49
11:47
#21571
23M
23.00 mi15:21:194:05:2110:4014:04
11:14
#21424
24M
24.00 mi15:32:374:16:3910:4211:18
11:18
#21362
40K
24.85 mi15:42:424:26:4410:4410:05
11:48
#21299
25.2M
25.20 mi15:47:144:31:1610:464:32
13:09
#21281
Finish
26.22 mi15:57:344:41:3610:4510:20
10:08
#21191
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21838129561295621828(Top 85%)13000(Top 89%)13000(Top 268%)
10K6.21 mi3.10 mi21962-12413025-6913025-6922012(Top 86%)13047(Top 89%)13047(Top 269%)
15K9.32 mi3.11 mi21902+6013007+1813007+1821828(Top 85%)13000(Top 89%)13000(Top 268%)
20K12.43 mi3.11 mi21540+36212837+17012837+17020625(Top 81%)12433(Top 85%)12433(Top 256%)
Half13.11 mi0.68 mi21495+4512818+1912818+1920992(Top 82%)12545(Top 86%)12545(Top 259%)
25K15.53 mi2.42 mi21663-16812880-6212880-6222334(Top 87%)13112(Top 90%)13112(Top 270%)
30K18.64 mi3.11 mi21737-7412853+2712853+2721911(Top 86%)12750(Top 87%)12750(Top 263%)
20M20.00 mi1.36 mi21654+8312791+6212791+6220743(Top 81%)12085(Top 83%)12085(Top 249%)
21M21.00 mi1.00 mi21589+6512747+4412747+4420440(Top 80%)11851(Top 81%)11851(Top 244%)
35K21.75 mi0.75 mi21571+1812720+2712720+2721402(Top 84%)12312(Top 84%)12312(Top 254%)
23M23.00 mi1.25 mi21424+14712622+9812622+9819028(Top 74%)11086(Top 76%)11086(Top 229%)
24M24.00 mi1.00 mi21362+6212573+4912573+4919981(Top 78%)11512(Top 79%)11512(Top 237%)
40K24.85 mi0.85 mi21299+6312525+4812525+4820019(Top 78%)11452(Top 79%)11452(Top 236%)
25.2M25.20 mi0.35 mi21281+1812504+2112504+2119978(Top 78%)11433(Top 78%)11433(Top 236%)
Finish26.22 mi1.02 mi21191+9012456+4812456+4818878(Top 74%)10928(Top 75%)10928(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

21828

Males

13000

M18-39

13000

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22012

Males

13047

M18-39

13047

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

21828

Males

13000

M18-39

13000

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

20625

Males

12433

M18-39

12433

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

20992

Males

12545

M18-39

12545

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

22334

Males

13112

M18-39

13112

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

21911

Males

12750

M18-39

12750

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

20743

Males

12085

M18-39

12085

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

20440

Males

11851

M18-39

11851

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

21402

Males

12312

M18-39

12312

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19028

Males

11086

M18-39

11086

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

19981

Males

11512

M18-39

11512

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20019

Males

11452

M18-39

11452

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

19978

Males

11433

M18-39

11433

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

18878

Males

10928

M18-39

10928

Passing Analysis

Category:
Athletes Passed
1839
Passed By
1192
Net Change
+647
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21838
5K → 10K188312-124#21838#21962
10K → 15K202142+60#21962#21902
15K → 20K39735+362#21902#21540
20K → Half6015+45#21540#21495
Half → 25K95263-168#21495#21663
25K → 30K156230-74#21663#21737
30K → 20M12037+83#21737#21654
20M → 21M10136+65#21654#21589
21M → 35K5840+18#21589#21571
35K → 23M15710+147#21571#21424
23M → 24M8624+62#21424#21362
24M → 40K8219+63#21362#21299
40K → 25.2M3416+18#21299#21281
25.2M → Finish10313+90#21281#21191
TOTALS18391192+647
📊

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