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BOSTON MARATHON 2024

David Lam

Bib: 5959•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 24%
Gender (Male)
#0 / 14578
Top 35%
Masters (Masters Men)
#0 / 9729
Top 23%
Division (M40-44)
#0 / 2009
Top 50%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:34
Rank: #4183
Start → 5K
20:34 | 6:37/mi
10K· 6.21 mi
41:10
Rank: #3954 (+229)
5K → 10K
20:36 | 6:38/mi
15K· 9.32 mi
1:02:30
Rank: #4362 (-408)
10K → 15K
21:20 | 6:52/mi
20K· 12.43 mi
1:25:55
Rank: #5616 (-1254)
15K → 20K
23:25 | 7:32/mi
Half· 13.11 mi
1:30:35
Rank: #5568 (+48)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:49:22
Rank: #5970 (-402)
Half → 25K
18:47 | 7:45/mi
30K· 18.64 mi
2:14:16
Rank: #6194 (-224)
25K → 30K
24:54 | 8:01/mi
20M
2:25:20
Rank: #6213 (-19)
30K → 20M
11:04 | 8:09/mi
21M
2:34:42
Rank: #6366 (-153)
20M → 21M
9:22 | 9:22/mi
35K· 21.75 mi
2:40:01
Rank: #6171 (+195)
21M → 35K
5:19 | 7:06/mi
23M
2:51:15
Rank: #6359 (-188)
35K → 23M
11:14 | 8:58/mi
24M
2:59:16
Rank: #6292 (+67)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:05:43
Rank: #6118 (+174)
24M → 40K
6:27 | 7:33/mi
25.2M
3:08:46
Rank: #6074 (+44)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:16:33
Rank: #6039 (+35)
25.2M → Finish
7:47 | 7:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:35
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:45:58
Pace8:05 /mi
📊Positive Split: 17.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3420:346:3720:34
6:37
-
10K
6.21 mi10:45:1041:106:3820:36
6:38
+0:01
15K
9.32 mi11:06:301:02:306:4221:20
6:52
+0:14
20K
12.43 mi11:29:551:25:556:5523:25
7:32
+0:40
Half
13.11 mi11:34:351:30:356:554:40
6:50
-0:42
25K
15.53 mi11:53:221:49:227:0218:47
7:45
+0:55
30K
18.64 mi12:18:162:14:167:1224:54
8:01
+0:16
20M
20.00 mi12:29:202:25:207:1611:04
8:09
+0:08
21M
21.00 mi12:38:422:34:427:229:22
9:22
+1:13
35K
21.75 mi12:44:012:40:017:215:19
7:06
-2:16
23M
23.00 mi12:55:152:51:157:2711:14
8:58
+1:52
24M
24.00 mi13:03:162:59:167:288:01
8:01
-0:57
40K
24.85 mi13:09:433:05:437:286:27
7:33
-0:28
25.2M
25.20 mi13:12:463:08:467:293:03
8:51
+1:18
Finish
26.22 mi13:20:333:16:337:307:47
7:38
-1:13

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

6:37 /mi

Average Pace

7:30 /mi

Slowest Pace

9:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:29

37% of race

Time at Steady Pace

1:29:21

45% of race

Time at Slower Pace

34:43

18% of race

Average Pace: 7:30 /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 mi10:24:3420:346:3720:34
6:37
#4183
10K
6.21 mi10:45:1041:106:3820:36
6:38
#3954
15K
9.32 mi11:06:301:02:306:4221:20
6:52
#4362
20K
12.43 mi11:29:551:25:556:5523:25
7:32
#5616
Half
13.11 mi11:34:351:30:356:554:40
6:50
#5568
25K
15.53 mi11:53:221:49:227:0218:47
7:45
#5970
30K
18.64 mi12:18:162:14:167:1224:54
8:01
#6194
20M
20.00 mi12:29:202:25:207:1611:04
8:09
#6213
21M
21.00 mi12:38:422:34:427:229:22
9:22
#6366
35K
21.75 mi12:44:012:40:017:215:19
7:06
#6171
23M
23.00 mi12:55:152:51:157:2711:14
8:58
#6359
24M
24.00 mi13:03:162:59:167:288:01
8:01
#6292
40K
24.85 mi13:09:433:05:437:286:27
7:33
#6118
25.2M
25.20 mi13:12:463:08:467:293:03
8:51
#6074
Finish
26.22 mi13:20:333:16:337:307:47
7:38
#6039
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4183395039505323(Top 21%)4867(Top 33%)4867(Top 242%)
10K6.21 mi3.10 mi3954+2293733+2173733+2173828(Top 15%)3611(Top 25%)3611(Top 180%)
15K9.32 mi3.11 mi4362-4084083-3504083-3505323(Top 21%)4867(Top 33%)4867(Top 242%)
20K12.43 mi3.11 mi5616-12545107-10245107-10248616(Top 34%)6956(Top 48%)6956(Top 346%)
Half13.11 mi0.68 mi5568+485066+415066+414815(Top 19%)4426(Top 30%)4426(Top 220%)
25K15.53 mi2.42 mi5970-4025340-2745340-2748589(Top 34%)6753(Top 46%)6753(Top 336%)
30K18.64 mi3.11 mi6194-2245437-975437-977934(Top 31%)6174(Top 42%)6174(Top 307%)
20M20.00 mi1.36 mi6213-195412+255412+257510(Top 29%)5721(Top 39%)5721(Top 285%)
21M21.00 mi1.00 mi6366-1535484-725484-7210228(Top 40%)6852(Top 47%)6852(Top 341%)
35K21.75 mi0.75 mi6171+1955328+1565328+1563462(Top 14%)3069(Top 21%)3069(Top 153%)
23M23.00 mi1.25 mi6359-1885418-905418-9010996(Top 43%)7067(Top 48%)7067(Top 352%)
24M24.00 mi1.00 mi6292+675330+885330+886709(Top 26%)4829(Top 33%)4829(Top 240%)
40K24.85 mi0.85 mi6118+1745182+1485182+1483672(Top 14%)3005(Top 21%)3005(Top 150%)
25.2M25.20 mi0.35 mi6074+445132+505132+505802(Top 23%)4165(Top 29%)4165(Top 207%)
Finish26.22 mi1.02 mi6039+355082+505082+506351(Top 25%)4517(Top 31%)4517(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5323

Males

4867

M40-44

4867

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3828

Males

3611

M40-44

3611

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5323

Males

4867

M40-44

4867

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8616

Males

6956

M40-44

6956

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

4815

Males

4426

M40-44

4426

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

8589

Males

6753

M40-44

6753

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

7934

Males

6174

M40-44

6174

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7510

Males

5721

M40-44

5721

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10228

Males

6852

M40-44

6852

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3462

Males

3069

M40-44

3069

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

10996

Males

7067

M40-44

7067

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6709

Males

4829

M40-44

4829

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3672

Males

3005

M40-44

3005

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

5802

Males

4165

M40-44

4165

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6351

Males

4517

M40-44

4517

Passing Analysis

Category:
Athletes Passed
1499
Passed By
3355
Net Change
-1856
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4183
5K → 10K30071+229#4183#3954
10K → 15K43451-408#3954#4362
15K → 20K251279-1254#4362#5616
20K → Half546+48#5616#5568
Half → 25K61463-402#5568#5970
25K → 30K145369-224#5970#6194
30K → 20M102121-19#6194#6213
20M → 21M71224-153#6213#6366
21M → 35K1950+195#6366#6171
35K → 23M67255-188#6171#6359
23M → 24M11144+67#6359#6292
24M → 40K1784+174#6292#6118
40K → 25.2M6521+44#6118#6074
25.2M → Finish8247+35#6074#6039
TOTALS14993355-1856
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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