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BOSTON MARATHON 2024

David Langford

Bib: 12710•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 41%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 43%
Division (M55-59)
#0 / 1529
Top 30%
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
7:21/mi
22:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
45:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:41/mi
1:09:49
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:34:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:39:21
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
1:59:05
↑ 66↓ 880.2%
30K· 18.64 mi
8:33/mi
2:25:38
↑ 181↓ 1480.2%
20M
9:02/mi
2:37:54
↑ 64↓ 500.2%
21M
9:52/mi
2:47:46
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
2:54:25
↑ 17↓ 861.7%
23M
8:54/mi
3:05:33
↑ 23↓ 630.6%
24M
8:55/mi
3:14:28
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:22:12
↓ 200.3%
25.2M
9:20/mi
3:25:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
3:33:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:21
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:54:34
Pace8:44 /mi
📊Positive Split: 15.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4922:497:2122:49
7:21
-
10K
6.21 mi11:14:5645:567:2423:07
7:26
+0:05
15K
9.32 mi11:38:491:09:497:2923:53
7:41
+0:15
20K
12.43 mi12:03:001:34:007:3424:11
7:47
+0:06
Half
13.11 mi12:08:211:39:217:355:21
7:50
+0:03
25K
15.53 mi12:28:051:59:057:4019:44
8:08
+0:18
30K
18.64 mi12:54:382:25:387:4926:33
8:33
+0:25
20M
20.00 mi13:06:542:37:547:5412:16
9:02
+0:29
21M
21.00 mi13:16:462:47:467:599:52
9:52
+0:50
35K
21.75 mi13:23:252:54:258:016:39
8:53
-0:59
23M
23.00 mi13:34:333:05:338:0411:08
8:54
+0:01
24M
24.00 mi13:43:283:14:288:068:55
8:55
+0:01
40K
24.85 mi13:51:123:22:128:087:44
9:03
+0:08
25.2M
25.20 mi13:54:253:25:258:093:13
9:20
+0:17
Finish
26.22 mi14:02:553:33:558:108:30
8:20
-1:00

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

7:21 /mi

Average Pace

8:10 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:05

56% of race

Time at Steady Pace

52:50

25% of race

Time at Slower Pace

42:00

20% of race

Average Pace: 8:10 /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 mi10:51:4922:497:2122:49
7:21
#9513
10K
6.21 mi11:14:5645:567:2423:07
7:26
#9570
15K
9.32 mi11:38:491:09:497:2923:53
7:41
#10088
20K
12.43 mi12:03:001:34:007:3424:11
7:47
#10123
Half
13.11 mi12:08:211:39:217:355:21
7:50
#10194
25K
15.53 mi12:28:051:59:057:4019:44
8:08
#10271
30K
18.64 mi12:54:382:25:387:4926:33
8:33
#10329
20M
20.00 mi13:06:542:37:547:5412:16
9:02
#10464
21M
21.00 mi13:16:462:47:467:599:52
9:52
#10548
35K
21.75 mi13:23:252:54:258:016:39
8:53
#10597
23M
23.00 mi13:34:333:05:338:0411:08
8:54
#10549
24M
24.00 mi13:43:283:14:288:068:55
8:55
#10590
40K
24.85 mi13:51:123:22:128:087:44
9:03
#10580
25.2M
25.20 mi13:54:253:25:258:093:13
9:20
#10526
Finish
26.22 mi14:02:553:33:558:108:30
8:20
#10495
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi95137695769511086(Top 43%)8330(Top 57%)8330(Top 545%)
10K6.21 mi3.10 mi9570-577698-37698-39740(Top 38%)7734(Top 53%)7734(Top 506%)
15K9.32 mi3.11 mi10088-5187930-2327930-23211086(Top 43%)8330(Top 57%)8330(Top 545%)
20K12.43 mi3.11 mi10123-357886+447886+4410311(Top 40%)7798(Top 53%)7798(Top 510%)
Half13.11 mi0.68 mi10194-717910-247910-2411586(Top 45%)8430(Top 58%)8430(Top 551%)
25K15.53 mi2.42 mi10271-777898+127898+1211006(Top 43%)8014(Top 55%)8014(Top 524%)
30K18.64 mi3.11 mi10329-587812+867812+8610870(Top 43%)7723(Top 53%)7723(Top 505%)
20M20.00 mi1.36 mi10464-1357830-187830-1812235(Top 48%)8056(Top 55%)8056(Top 527%)
21M21.00 mi1.00 mi10548-847812+187812+1812412(Top 49%)7906(Top 54%)7906(Top 517%)
35K21.75 mi0.75 mi10597-497810+27810+212747(Top 50%)8044(Top 55%)8044(Top 526%)
23M23.00 mi1.25 mi10549+487717+937717+9310597(Top 41%)6864(Top 47%)6864(Top 449%)
24M24.00 mi1.00 mi10590-417698+197698+1911698(Top 46%)7411(Top 51%)7411(Top 485%)
40K24.85 mi0.85 mi10580+107638+607638+6011042(Top 43%)6939(Top 48%)6939(Top 454%)
25.2M25.20 mi0.35 mi10526+547592+467592+468000(Top 31%)5332(Top 37%)5332(Top 349%)
Finish26.22 mi1.02 mi10495+317539+537539+5310591(Top 41%)6784(Top 47%)6784(Top 444%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11086

Males

8330

M55-59

8330

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

9740

Males

7734

M55-59

7734

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11086

Males

8330

M55-59

8330

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10311

Males

7798

M55-59

7798

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

11586

Males

8430

M55-59

8430

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11006

Males

8014

M55-59

8014

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

10870

Males

7723

M55-59

7723

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12235

Males

8056

M55-59

8056

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

12412

Males

7906

M55-59

7906

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

12747

Males

8044

M55-59

8044

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10597

Males

6864

M55-59

6864

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

11698

Males

7411

M55-59

7411

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11042

Males

6939

M55-59

6939

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8000

Males

5332

M55-59

5332

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10591

Males

6784

M55-59

6784

Passing Analysis

Category:
Athletes Passed
1779*
Passed By
2757
Net Change
-982
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9513
5K → 10K223280-57#9513#9570
10K → 15K76593-518#9570#10088
15K → 20K221256-35#10088#10123
20K → Half1687-71#10123#10194
Half → 25K180256-77#10194#10271
25K → 30K270327-58#10271#10329
30K → 20M102236-135#10329#10464
20M → 21M109193-84#10464#10548
21M → 35K59108-49#10548#10597
35K → 23M166118+48#10597#10549
23M → 24M89130-41#10549#10590
24M → 40K109*99+10#10590#10580
40K → 25.2M6410+54#10580#10526
25.2M → Finish9564+31#10526#10495
TOTALS1779*2757-982

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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