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BOSTON MARATHON 2024

Brendan Slattery

Bib: 24872•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
9:53/mi
30:41
↑ 97↓ 3451.5%
10K· 6.21 mi
9:39/mi
1:00:41
↑ 79↓ 1380.4%
15K· 9.32 mi
10:22/mi
1:32:54
↑ 67↓ 78
20K· 12.43 mi
9:43/mi
2:03:06
↑ 106↓ 860.1%
Half· 13.11 mi
9:26/mi
2:09:32
↑ 19↓ 370.5%
25K· 15.53 mi
10:29/mi
2:34:57
↑ 66↓ 880.2%
30K· 18.64 mi
10:11/mi
3:06:36
↑ 181↓ 1480.2%
20M
10:22/mi
3:20:41
↑ 64↓ 500.2%
21M
10:40/mi
3:31:21
↑ 106↓ 241.6%
35K· 21.75 mi
10:55/mi
3:39:31
↑ 17↓ 861.7%
23M
10:24/mi
3:52:32
↑ 23↓ 630.6%
24M
10:05/mi
4:02:37
↓ 821.3%
40K· 24.85 mi
9:53/mi
4:11:04
↓ 200.3%
25.2M
11:56/mi
4:15:11
↑ 13↓ 160.2%
Finish· 26.22 mi
9:13/mi
4:24:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:32
Pace9:53 /mi
2nd Half
Distance13.11 mi
Time2:15:03
Pace10:18 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:0530:419:5330:41
9:53
-
10K
6.21 mi12:16:051:00:419:4630:00
9:39
-0:14
15K
9.32 mi12:48:181:32:549:5832:13
10:22
+0:43
20K
12.43 mi13:18:302:03:069:5430:12
9:43
-0:39
Half
13.11 mi13:24:562:09:329:536:26
9:26
-0:17
25K
15.53 mi13:50:212:34:579:5825:25
10:29
+1:03
30K
18.64 mi14:22:003:06:3610:0131:39
10:11
-0:18
20M
20.00 mi14:36:053:20:4110:0214:05
10:22
+0:11
21M
21.00 mi14:46:453:31:2110:0410:40
10:40
+0:18
35K
21.75 mi14:54:553:39:3110:068:10
10:55
+0:15
23M
23.00 mi15:07:563:52:3210:0713:01
10:24
-0:31
24M
24.00 mi15:18:014:02:3710:0710:05
10:05
-0:19
40K
24.85 mi15:26:284:11:0410:068:27
9:53
-0:12
25.2M
25.20 mi15:30:354:15:1110:084:07
11:56
+2:03
Finish
26.22 mi15:39:594:24:3510:069:24
9:13
-2:43

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

9:13 /mi

Average Pace

10:06 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:02

29% of race

Time at Steady Pace

2:45:36

63% of race

Time at Slower Pace

22:57

9% of race

Average Pace: 10:05 /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 mi11:46:0530:419:5330:41
9:53
#22684
10K
6.21 mi12:16:051:00:419:4630:00
9:39
#22234
15K
9.32 mi12:48:181:32:549:5832:13
10:22
#22411
20K
12.43 mi13:18:302:03:069:5430:12
9:43
#21744
Half
13.11 mi13:24:562:09:329:536:26
9:26
#21653
25K
15.53 mi13:50:212:34:579:5825:25
10:29
#21414
30K
18.64 mi14:22:003:06:3610:0131:39
10:11
#20793
20M
20.00 mi14:36:053:20:4110:0214:05
10:22
#20548
21M
21.00 mi14:46:453:31:2110:0410:40
10:40
#20284
35K
21.75 mi14:54:553:39:3110:068:10
10:55
#20251
23M
23.00 mi15:07:563:52:3210:0713:01
10:24
#20048
24M
24.00 mi15:18:014:02:3710:0710:05
10:05
#19883
40K
24.85 mi15:26:284:11:0410:068:27
9:53
#19693
25.2M
25.20 mi15:30:354:15:1110:084:07
11:56
#19650
Finish
26.22 mi15:39:594:24:3510:069:24
9:13
#19489
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22684133871338722680(Top 89%)13375(Top 92%)13375(Top 276%)
10K6.21 mi3.10 mi22234+45013168+21913168+21921739(Top 85%)12919(Top 89%)12919(Top 266%)
15K9.32 mi3.11 mi22411-17713271-10313271-10322680(Top 89%)13375(Top 92%)13375(Top 276%)
20K12.43 mi3.11 mi21744+66712929+34212929+34219837(Top 78%)12077(Top 83%)12077(Top 249%)
Half13.11 mi0.68 mi21653+9112883+4612883+4619810(Top 78%)11987(Top 82%)11987(Top 247%)
25K15.53 mi2.42 mi21414+23912770+11312770+11320367(Top 80%)12207(Top 84%)12207(Top 252%)
30K18.64 mi3.11 mi20793+62112424+34612424+34617945(Top 70%)10895(Top 75%)10895(Top 225%)
20M20.00 mi1.36 mi20548+24512285+13912285+13917597(Top 69%)10549(Top 72%)10549(Top 218%)
21M21.00 mi1.00 mi20284+26412140+14512140+14515354(Top 60%)9322(Top 64%)9322(Top 192%)
35K21.75 mi0.75 mi20251+3312105+3512105+3519612(Top 77%)11437(Top 78%)11437(Top 236%)
23M23.00 mi1.25 mi20048+20311989+11611989+11616731(Top 65%)9929(Top 68%)9929(Top 205%)
24M24.00 mi1.00 mi19883+16511904+8511904+8516583(Top 65%)9818(Top 67%)9818(Top 202%)
40K24.85 mi0.85 mi19693+19011791+11311791+11314579(Top 57%)8744(Top 60%)8744(Top 180%)
25.2M25.20 mi0.35 mi19650+4311759+3211759+3217200(Top 67%)10029(Top 69%)10029(Top 207%)
Finish26.22 mi1.02 mi19489+16111665+9411665+9415253(Top 60%)9104(Top 62%)9104(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

22680

Males

13375

M18-39

13375

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

21739

Males

12919

M18-39

12919

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

22680

Males

13375

M18-39

13375

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

19837

Males

12077

M18-39

12077

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

19810

Males

11987

M18-39

11987

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

20367

Males

12207

M18-39

12207

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

17945

Males

10895

M18-39

10895

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

17597

Males

10549

M18-39

10549

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15354

Males

9322

M18-39

9322

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

19612

Males

11437

M18-39

11437

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

16731

Males

9929

M18-39

9929

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

16583

Males

9818

M18-39

9818

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

14579

Males

8744

M18-39

8744

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17200

Males

10029

M18-39

10029

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15253

Males

9104

M18-39

9104

Passing Analysis

Category:
Athletes Passed
3661
Passed By
466
Net Change
+3195
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22684
5K → 10K50151+450#22684#22234
10K → 15K116293-177#22234#22411
15K → 20K6670+667#22411#21744
20K → Half965+91#21744#21653
Half → 25K28243+239#21653#21414
25K → 30K6276+621#21414#20793
30K → 20M2461+245#20793#20548
20M → 21M2651+264#20548#20284
21M → 35K7138+33#20284#20251
35K → 23M2096+203#20251#20048
23M → 24M1738+165#20048#19883
24M → 40K1922+190#19883#19693
40K → 25.2M485+43#19693#19650
25.2M → Finish1687+161#19650#19489
TOTALS3661466+3195
📊

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