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BOSTON MARATHON 2024

Sam Dailey

Bib: 1178•M

CO

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 2%
Gender (Male)
#0 / 14578
Top 4%
Division (M18-39)
#0 / 4849
Top 9%
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
5:58/mi
18:32
↑ 97↓ 3451.5%
10K· 6.21 mi
5:55/mi
36:56
↑ 79↓ 1380.4%
15K· 9.32 mi
6:01/mi
55:39
↑ 67↓ 78
20K· 12.43 mi
6:06/mi
1:14:35
↑ 106↓ 860.1%
Half· 13.11 mi
6:02/mi
1:18:42
↑ 19↓ 370.5%
25K· 15.53 mi
6:16/mi
1:33:54
↑ 66↓ 880.2%
30K· 18.64 mi
6:12/mi
1:53:11
↑ 181↓ 1480.2%
20M
6:26/mi
2:01:55
↑ 64↓ 500.2%
21M
6:43/mi
2:08:38
↑ 106↓ 241.6%
35K· 21.75 mi
6:22/mi
2:13:24
↑ 17↓ 861.7%
23M
6:28/mi
2:21:30
↑ 23↓ 630.6%
24M
6:23/mi
2:27:53
↓ 821.3%
40K· 24.85 mi
6:32/mi
2:33:28
↓ 200.3%
25.2M
6:58/mi
2:35:52
↑ 13↓ 160.2%
Finish· 26.22 mi
6:09/mi
2:42:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:42
Pace6:00 /mi
2nd Half
Distance13.11 mi
Time1:23:26
Pace6:22 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2218:325:5818:32
5:58
-
10K
6.21 mi10:37:4636:565:5718:24
5:55
-0:03
15K
9.32 mi10:56:2955:395:5818:43
6:01
+0:06
20K
12.43 mi11:15:251:14:356:0018:56
6:06
+0:05
Half
13.11 mi11:19:321:18:426:004:07
6:02
-0:04
25K
15.53 mi11:34:441:33:546:0315:12
6:16
+0:14
30K
18.64 mi11:54:011:53:116:0419:17
6:12
-0:04
20M
20.00 mi12:02:452:01:556:068:44
6:26
+0:14
21M
21.00 mi12:09:282:08:386:086:43
6:43
+0:17
35K
21.75 mi12:14:142:13:246:084:46
6:22
-0:21
23M
23.00 mi12:22:202:21:306:098:06
6:28
+0:06
24M
24.00 mi12:28:432:27:536:106:23
6:23
-0:05
40K
24.85 mi12:34:182:33:286:105:35
6:32
+0:09
25.2M
25.20 mi12:36:422:35:526:112:24
6:58
+0:26
Finish
26.22 mi12:42:582:42:086:116:16
6:09
-0:49

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

5:55 /mi

Average Pace

6:11 /mi

Slowest Pace

6:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:26

91% of race

Time at Steady Pace

14:42

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:11 /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 mi10:19:2218:325:5818:32
5:58
#829
10K
6.21 mi10:37:4636:565:5718:24
5:55
#746
15K
9.32 mi10:56:2955:395:5818:43
6:01
#763
20K
12.43 mi11:15:251:14:356:0018:56
6:06
#764
Half
13.11 mi11:19:321:18:426:004:07
6:02
#770
25K
15.53 mi11:34:441:33:546:0315:12
6:16
#781
30K
18.64 mi11:54:011:53:116:0419:17
6:12
#696
20M
20.00 mi12:02:452:01:556:068:44
6:26
#680
21M
21.00 mi12:09:282:08:386:086:43
6:43
#651
35K
21.75 mi12:14:142:13:246:084:46
6:22
#648
23M
23.00 mi12:22:202:21:306:098:06
6:28
#624
24M
24.00 mi12:28:432:27:536:106:23
6:23
#612
40K
24.85 mi12:34:182:33:286:105:35
6:32
#601
25.2M
25.20 mi12:36:422:35:526:112:24
6:58
#589
Finish
26.22 mi12:42:582:42:086:116:16
6:09
#569
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi829799799828(Top 3%)802(Top 6%)802(Top 17%)
10K6.21 mi3.10 mi746+83719+80719+80673(Top 3%)648(Top 4%)648(Top 13%)
15K9.32 mi3.11 mi763-17736-17736-17828(Top 3%)802(Top 6%)802(Top 17%)
20K12.43 mi3.11 mi764-1737-1737-1793(Top 3%)762(Top 5%)762(Top 16%)
Half13.11 mi0.68 mi770-6744-7744-7850(Top 3%)820(Top 6%)820(Top 17%)
25K15.53 mi2.42 mi781-11750-6750-61026(Top 4%)988(Top 7%)988(Top 20%)
30K18.64 mi3.11 mi696+85666+84666+84486(Top 2%)458(Top 3%)458(Top 9%)
20M20.00 mi1.36 mi680+16650+16650+16696(Top 3%)656(Top 4%)656(Top 14%)
21M21.00 mi1.00 mi651+29622+28622+28580(Top 2%)543(Top 4%)543(Top 11%)
35K21.75 mi0.75 mi648+3619+3619+3943(Top 4%)893(Top 6%)893(Top 18%)
23M23.00 mi1.25 mi624+24595+24595+24632(Top 2%)596(Top 4%)596(Top 12%)
24M24.00 mi1.00 mi612+12583+12583+12735(Top 3%)692(Top 5%)692(Top 14%)
40K24.85 mi0.85 mi601+11572+11572+11773(Top 3%)720(Top 5%)720(Top 15%)
25.2M25.20 mi0.35 mi589+12560+12560+12519(Top 2%)478(Top 3%)478(Top 10%)
Finish26.22 mi1.02 mi569+20540+20540+20625(Top 2%)584(Top 4%)584(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

828

Males

802

M18-39

802

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

673

Males

648

M18-39

648

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

828

Males

802

M18-39

802

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

793

Males

762

M18-39

762

20K→Half

12.4 - 13.1 mi

Top 3%
×2story building
+19ft-37ft

Overall

850

Males

820

M18-39

820

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1026

Males

988

M18-39

988

25K→30K

15.5 - 18.6 mi

Top 2%
×9story building
+181ft-148ft

Overall

486

Males

458

M18-39

458

30K→20M

18.6 - 20.0 mi

Top 3%
×5story building
+64ft-50ft

Overall

696

Males

656

M18-39

656

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

580

Males

543

M18-39

543

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

943

Males

893

M18-39

893

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

632

Males

596

M18-39

596

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

735

Males

692

M18-39

692

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

773

Males

720

M18-39

720

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

519

Males

478

M18-39

478

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

625

Males

584

M18-39

584

Passing Analysis

Category:
Athletes Passed
479
Passed By
219
Net Change
+260
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#829
5K → 10K9512+83#829#746
10K → 15K2138-17#746#763
15K → 20K3536-1#763#764
20K → Half39-6#764#770
Half → 25K3647-11#770#781
25K → 30K9712+85#781#696
30K → 20M2610+16#696#680
20M → 21M378+29#680#651
21M → 35K1411+3#651#648
35K → 23M317+24#648#624
23M → 24M2412+12#624#612
24M → 40K2413+11#612#601
40K → 25.2M120+12#601#589
25.2M → Finish244+20#589#569
TOTALS479219+260
📊

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