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BOSTON MARATHON 2024

Sebastien Leblond

Bib: 30034•M

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

Start
0:00:00
Race begins
5K· 3.11 mi
28:17
Rank: #20480
Start → 5K
9:06/mi
28:17 split
10K· 6.21 mi
56:34
Rank: #20285 (+195)
5K → 10K
9:06/mi
28:17 split
15K· 9.32 mi
1:24:53
Rank: #19978 (+307)
10K → 15K
9:07/mi
28:19 split
20K· 12.43 mi
1:54:38
Rank: #19836 (+142)
15K → 20K
9:35/mi
29:45 split
Half· 13.11 mi
2:00:56
Rank: #19811 (+25)
20K → Half
9:14/mi
6:18 split
25K· 15.53 mi
2:27:51
Rank: #20194 (-383)
Half → 25K
11:06/mi
26:55 split
30K· 18.64 mi
3:06:06
Rank: #20715 (-521)
25K → 30K
12:19/mi
38:15 split
20M
3:29:25
Rank: #21633 (-918)
30K → 20M
17:09/mi
23:19 split
21M
3:52:37
Rank: #22605 (-972)
20M → 21M
23:12/mi
23:12 split
35K· 21.75 mi
4:03:41
Rank: #22774 (-169)
21M → 35K
14:48/mi
11:04 split
23M
4:22:43
Rank: #22983 (-209)
35K → 23M
15:12/mi
19:02 split
24M
4:37:09
Rank: #23076 (-93)
23M → 24M
14:26/mi
14:26 split
40K· 24.85 mi
4:50:55
Rank: #23211 (-135)
24M → 40K
16:06/mi
13:46 split
25.2M
4:56:20
Rank: #23234 (-23)
40K → 25.2M
15:42/mi
5:25 split
Finish· 26.22 mi
5:09:05
Rank: #23282 (-48)
25.2M → Finish
12:31/mi
12:45 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:56
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time3:08:09
Pace14:21 /mi
📊Positive Split: 55.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:4428:179:0628:17
9:06
-
10K
6.21 mi12:21:0156:349:0628:17
9:06
0:00
15K
9.32 mi12:49:201:24:539:0628:19
9:07
+0:01
20K
12.43 mi13:19:051:54:389:1329:45
9:35
+0:28
Half
13.11 mi13:25:232:00:569:136:18
9:14
-0:21
25K
15.53 mi13:52:182:27:519:3126:55
11:06
+1:52
30K
18.64 mi14:30:333:06:069:5938:15
12:19
+1:13
20M
20.00 mi14:53:523:29:2510:2823:19
17:09
+4:50
21M
21.00 mi15:17:043:52:3711:0523:12
23:12
+6:03
35K
21.75 mi15:28:084:03:4111:1211:04
14:48
-8:24
23M
23.00 mi15:47:104:22:4311:2519:02
15:12
+0:24
24M
24.00 mi16:01:364:37:0911:3314:26
14:26
-0:46
40K
24.85 mi16:15:224:50:5511:4213:46
16:06
+1:40
25.2M
25.20 mi16:20:474:56:2011:465:25
15:42
-0:24
Finish
26.22 mi16:33:325:09:0511:4812:45
12:31
-3:11

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

9:06 /mi

Average Pace

11:48 /mi

Slowest Pace

23:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:56

39% of race

Time at Steady Pace

1:32:21

30% of race

Time at Slower Pace

1:35:48

31% of race

Average Pace: 11:47 /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 mi11:52:4428:179:0628:17
9:06
#20480
10K
6.21 mi12:21:0156:349:0628:17
9:06
#20285
15K
9.32 mi12:49:201:24:539:0628:19
9:07
#19978
20K
12.43 mi13:19:051:54:389:1329:45
9:35
#19836
Half
13.11 mi13:25:232:00:569:136:18
9:14
#19811
25K
15.53 mi13:52:182:27:519:3126:55
11:06
#20194
30K
18.64 mi14:30:333:06:069:5938:15
12:19
#20715
20M
20.00 mi14:53:523:29:2510:2823:19
17:09
#21633
21M
21.00 mi15:17:043:52:3711:0523:12
23:12
#22605
35K
21.75 mi15:28:084:03:4111:1211:04
14:48
#22774
23M
23.00 mi15:47:104:22:4311:2519:02
15:12
#22983
24M
24.00 mi16:01:364:37:0911:3314:26
14:26
#23076
40K
24.85 mi16:15:224:50:5511:4213:46
16:06
#23211
25.2M
25.20 mi16:20:474:56:2011:465:25
15:42
#23234
Finish
26.22 mi16:33:325:09:0511:4812:45
12:31
#23282
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20480123011230119386(Top 76%)11889(Top 82%)11889(Top 245%)
10K6.21 mi3.10 mi20285+19512231+7012231+7020165(Top 79%)12212(Top 84%)12212(Top 252%)
15K9.32 mi3.11 mi19978+30712109+12212109+12219386(Top 76%)11889(Top 82%)11889(Top 245%)
20K12.43 mi3.11 mi19836+14212060+4912060+4919440(Top 76%)11890(Top 82%)11890(Top 245%)
Half13.11 mi0.68 mi19811+2512043+1712043+1719207(Top 75%)11725(Top 80%)11725(Top 242%)
25K15.53 mi2.42 mi20194-38312216-17312216-17321688(Top 85%)12821(Top 88%)12821(Top 264%)
30K18.64 mi3.11 mi20715-52112399-18312399-18322449(Top 88%)13030(Top 89%)13030(Top 269%)
20M20.00 mi1.36 mi21633-91812776-37712776-37725387(Top 99%)14473(Top 99%)14473(Top 298%)
21M21.00 mi1.00 mi22605-97213235-45913235-45925507(Top 100%)14554(Top 100%)14554(Top 300%)
35K21.75 mi0.75 mi22774-16913302-6713302-6724781(Top 97%)14084(Top 97%)14084(Top 290%)
23M23.00 mi1.25 mi22983-20913385-8313385-8324772(Top 97%)14088(Top 97%)14088(Top 291%)
24M24.00 mi1.00 mi23076-9313417-3213417-3224512(Top 96%)13891(Top 95%)13891(Top 286%)
40K24.85 mi0.85 mi23211-13513481-6413481-6424990(Top 98%)14184(Top 97%)14184(Top 293%)
25.2M25.20 mi0.35 mi23234-2313494-1313494-1323801(Top 93%)13471(Top 92%)13471(Top 278%)
Finish26.22 mi1.02 mi23282-4813502-813502-823886(Top 93%)13504(Top 93%)13504(Top 278%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

19386

Males

11889

M18-39

11889

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

20165

Males

12212

M18-39

12212

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

19386

Males

11889

M18-39

11889

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

19440

Males

11890

M18-39

11890

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19207

Males

11725

M18-39

11725

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

21688

Males

12821

M18-39

12821

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

22449

Males

13030

M18-39

13030

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

25387

Males

14473

M18-39

14473

20M→21M

20.0 - 21.0 mi

Top 100%
×8story building
+106ft-24ft

Overall

25507

Males

14554

M18-39

14554

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

24781

Males

14084

M18-39

14084

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

24772

Males

14088

M18-39

14088

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

24512

Males

13891

M18-39

13891

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

24990

Males

14184

M18-39

14184

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

23801

Males

13471

M18-39

13471

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

23886

Males

13504

M18-39

13504

Passing Analysis

Category:
Athletes Passed
1293
Passed By
4095
Net Change
-2802
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20480
5K → 10K371176+195#20480#20285
10K → 15K37063+307#20285#19978
15K → 20K302160+142#19978#19836
20K → Half4621+25#19836#19811
Half → 25K68451-383#19811#20194
25K → 30K54575-521#20194#20715
30K → 20M6924-918#20715#21633
20M → 21M3975-972#21633#22605
21M → 35K10179-169#22605#22774
35K → 23M11220-209#22774#22983
23M → 24M14107-93#22983#23076
24M → 40K5140-135#23076#23211
40K → 25.2M1235-23#23211#23234
25.2M → Finish2169-48#23234#23282
TOTALS12934095-2802
📊

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