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BOSTON MARATHON 2024

Ernie Tam

Bib: 5518•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 9%
Gender (Male)
#0 / 14578
Top 14%
Division (M18-39)
#0 / 4849
Top 32%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:00
Rank: #5291
Start → 5K
6:46/mi
21:00 split
10K· 6.21 mi
41:44
Rank: #4682 (+609)
5K → 10K
6:40/mi
20:44 split
15K· 9.32 mi
1:02:25
Rank: #4273 (+409)
10K → 15K
6:39/mi
20:41 split
20K· 12.43 mi
1:23:04
Rank: #3824 (+449)
15K → 20K
6:39/mi
20:39 split
Half· 13.11 mi
1:27:28
Rank: #3733 (+91)
20K → Half
6:27/mi
4:24 split
25K· 15.53 mi
1:43:33
Rank: #3408 (+325)
Half → 25K
6:38/mi
16:05 split
30K· 18.64 mi
2:04:26
Rank: #2916 (+492)
25K → 30K
6:43/mi
20:53 split
20M
2:13:36
Rank: #2717 (+199)
30K → 20M
6:45/mi
9:10 split
21M
2:20:42
Rank: #2544 (+173)
20M → 21M
7:06/mi
7:06 split
35K· 21.75 mi
2:25:48
Rank: #2508 (+36)
21M → 35K
6:49/mi
5:06 split
23M
2:34:18
Rank: #2366 (+142)
35K → 23M
6:47/mi
8:30 split
24M
2:41:02
Rank: #2273 (+93)
23M → 24M
6:44/mi
6:44 split
40K· 24.85 mi
2:47:07
Rank: #2213 (+60)
24M → 40K
7:07/mi
6:05 split
25.2M
2:49:52
Rank: #2209 (+4)
40K → 25.2M
7:58/mi
2:45 split
Finish· 26.22 mi
2:56:45
Rank: #2180 (+29)
25.2M → Finish
6:45/mi
6:53 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:28
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:29:17
Pace6:49 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3621:006:4621:00
6:46
-
10K
6.21 mi10:46:2041:446:4320:44
6:40
-0:06
15K
9.32 mi11:07:011:02:256:4220:41
6:39
-0:01
20K
12.43 mi11:27:401:23:046:4120:39
6:39
0:00
Half
13.11 mi11:32:041:27:286:404:24
6:27
-0:12
25K
15.53 mi11:48:091:43:336:4016:05
6:38
+0:11
30K
18.64 mi12:09:022:04:266:4120:53
6:43
+0:05
20M
20.00 mi12:18:122:13:366:419:10
6:45
+0:02
21M
21.00 mi12:25:182:20:426:427:06
7:06
+0:21
35K
21.75 mi12:30:242:25:486:425:06
6:49
-0:17
23M
23.00 mi12:38:542:34:186:438:30
6:47
-0:02
24M
24.00 mi12:45:382:41:026:436:44
6:44
-0:03
40K
24.85 mi12:51:432:47:076:436:05
7:07
+0:23
25.2M
25.20 mi12:54:282:49:526:442:45
7:58
+0:51
Finish
26.22 mi13:01:212:56:456:456:53
6:45
-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

6:27 /mi

Average Pace

6:45 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:24

2% of race

Time at Steady Pace

2:36:25

88% of race

Time at Slower Pace

15:56

9% of race

Average Pace: 6:44 /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 mi10:25:3621:006:4621:00
6:46
#5291
10K
6.21 mi10:46:2041:446:4320:44
6:40
#4682
15K
9.32 mi11:07:011:02:256:4220:41
6:39
#4273
20K
12.43 mi11:27:401:23:046:4120:39
6:39
#3824
Half
13.11 mi11:32:041:27:286:404:24
6:27
#3733
25K
15.53 mi11:48:091:43:336:4016:05
6:38
#3408
30K
18.64 mi12:09:022:04:266:4120:53
6:43
#2916
20M
20.00 mi12:18:122:13:366:419:10
6:45
#2717
21M
21.00 mi12:25:182:20:426:427:06
7:06
#2544
35K
21.75 mi12:30:242:25:486:425:06
6:49
#2508
23M
23.00 mi12:38:542:34:186:438:30
6:47
#2366
24M
24.00 mi12:45:382:41:026:436:44
6:44
#2273
40K
24.85 mi12:51:432:47:076:436:05
7:07
#2213
25.2M
25.20 mi12:54:282:49:526:442:45
7:58
#2209
Finish
26.22 mi13:01:212:56:456:456:53
6:45
#2180
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5291487148713614(Top 14%)3416(Top 23%)3416(Top 70%)
10K6.21 mi3.10 mi4682+6094364+5074364+5074097(Top 16%)3846(Top 26%)3846(Top 79%)
15K9.32 mi3.11 mi4273+4094003+3614003+3613614(Top 14%)3416(Top 23%)3416(Top 70%)
20K12.43 mi3.11 mi3824+4493615+3883615+3882877(Top 11%)2744(Top 19%)2744(Top 57%)
Half13.11 mi0.68 mi3733+913536+793536+792339(Top 9%)2242(Top 15%)2242(Top 46%)
25K15.53 mi2.42 mi3408+3253233+3033233+3032293(Top 9%)2188(Top 15%)2188(Top 45%)
30K18.64 mi3.11 mi2916+4922770+4632770+4631680(Top 7%)1605(Top 11%)1605(Top 33%)
20M20.00 mi1.36 mi2717+1992578+1922578+1921444(Top 6%)1367(Top 9%)1367(Top 28%)
21M21.00 mi1.00 mi2544+1732419+1592419+1591311(Top 5%)1240(Top 9%)1240(Top 26%)
35K21.75 mi0.75 mi2508+362384+352384+352342(Top 9%)2146(Top 15%)2146(Top 44%)
23M23.00 mi1.25 mi2366+1422248+1362248+1361277(Top 5%)1205(Top 8%)1205(Top 25%)
24M24.00 mi1.00 mi2273+932160+882160+881478(Top 6%)1371(Top 9%)1371(Top 28%)
40K24.85 mi0.85 mi2213+602097+632097+632210(Top 9%)1958(Top 13%)1958(Top 40%)
25.2M25.20 mi0.35 mi2209+42091+62091+62633(Top 10%)2256(Top 15%)2256(Top 47%)
Finish26.22 mi1.02 mi2180+292061+302061+302172(Top 9%)1888(Top 13%)1888(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3614

Males

3416

M18-39

3416

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4097

Males

3846

M18-39

3846

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3614

Males

3416

M18-39

3416

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2877

Males

2744

M18-39

2744

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2339

Males

2242

M18-39

2242

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2293

Males

2188

M18-39

2188

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1680

Males

1605

M18-39

1605

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1444

Males

1367

M18-39

1367

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1311

Males

1240

M18-39

1240

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2342

Males

2146

M18-39

2146

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1277

Males

1205

M18-39

1205

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1478

Males

1371

M18-39

1371

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2210

Males

1958

M18-39

1958

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2633

Males

2256

M18-39

2256

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2172

Males

1888

M18-39

1888

Passing Analysis

Category:
Athletes Passed
3242
Passed By
131
Net Change
+3111
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5291
5K → 10K62718+609#5291#4682
10K → 15K42011+409#4682#4273
15K → 20K4578+449#4273#3824
20K → Half921+91#3824#3733
Half → 25K3294+325#3733#3408
25K → 30K4953+492#3408#2916
30K → 20M2012+199#2916#2717
20M → 21M1807+173#2717#2544
21M → 35K4812+36#2544#2508
35K → 23M1464+142#2508#2366
23M → 24M996+93#2366#2273
24M → 40K7616+60#2273#2213
40K → 25.2M2117+4#2213#2209
25.2M → Finish5122+29#2209#2180
TOTALS3242131+3111
📊

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