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BOSTON MARATHON 2024

Eric Liu

Bib: 27881•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 40%
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
8:26/mi
26:11
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
50:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:15:12
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:39:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:45:04
↑ 19↓ 370.5%
25K· 15.53 mi
7:59/mi
2:04:25
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:30:06
↑ 181↓ 1480.2%
20M
8:16/mi
2:41:20
↑ 64↓ 500.2%
21M
8:32/mi
2:49:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:11/mi
2:55:59
↑ 17↓ 861.7%
23M
8:17/mi
3:06:21
↑ 23↓ 630.6%
24M
8:21/mi
3:14:42
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:21:51
↓ 200.3%
25.2M
9:08/mi
3:25:00
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:32:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:04
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:47:52
Pace8:14 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0526:118:2626:11
8:26
-
10K
6.21 mi12:09:5150:578:1224:46
7:58
-0:28
15K
9.32 mi12:34:061:15:128:0424:15
7:48
-0:10
20K
12.43 mi12:58:391:39:458:0224:33
7:54
+0:06
Half
13.11 mi13:03:581:45:048:015:19
7:48
-0:06
25K
15.53 mi13:23:192:04:258:0119:21
7:59
+0:11
30K
18.64 mi13:49:002:30:068:0325:41
8:16
+0:17
20M
20.00 mi14:00:142:41:208:0411:14
8:16
0:00
21M
21.00 mi14:08:462:49:528:058:32
8:32
+0:16
35K
21.75 mi14:14:532:55:598:066:07
8:11
-0:21
23M
23.00 mi14:25:153:06:218:0610:22
8:17
+0:06
24M
24.00 mi14:33:363:14:428:078:21
8:21
+0:04
40K
24.85 mi14:40:453:21:518:077:09
8:22
+0:01
25.2M
25.20 mi14:43:543:25:008:083:09
9:08
+0:46
Finish
26.22 mi14:51:503:32:568:087:56
7:47
-1:21

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

7:47 /mi

Average Pace

8:08 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:47

99% of race

Time at Steady Pace

3:09

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:07 /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 mi11:45:0526:118:2626:11
8:26
#17353
10K
6.21 mi12:09:5150:578:1224:46
7:58
#15747
15K
9.32 mi12:34:061:15:128:0424:15
7:48
#14494
20K
12.43 mi12:58:391:39:458:0224:33
7:54
#13615
Half
13.11 mi13:03:581:45:048:015:19
7:48
#13484
25K
15.53 mi13:23:192:04:258:0119:21
7:59
#12783
30K
18.64 mi13:49:002:30:068:0325:41
8:16
#12021
20M
20.00 mi14:00:142:41:208:0411:14
8:16
#11652
21M
21.00 mi14:08:462:49:528:058:32
8:32
#11249
35K
21.75 mi14:14:532:55:598:066:07
8:11
#11114
23M
23.00 mi14:25:153:06:218:0610:22
8:17
#10803
24M
24.00 mi14:33:363:14:428:078:21
8:21
#10667
40K
24.85 mi14:40:453:21:518:077:09
8:22
#10480
25.2M
25.20 mi14:43:543:25:008:083:09
9:08
#10415
Finish
26.22 mi14:51:503:32:568:087:56
7:47
#10254
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17353109331093311943(Top 47%)8697(Top 60%)8697(Top 179%)
10K6.21 mi3.10 mi15747+160610327+60610327+60613976(Top 55%)9599(Top 66%)9599(Top 198%)
15K9.32 mi3.11 mi14494+12539830+4979830+49711943(Top 47%)8697(Top 60%)8697(Top 179%)
20K12.43 mi3.11 mi13615+8799457+3739457+37311126(Top 44%)8220(Top 56%)8220(Top 170%)
Half13.11 mi0.68 mi13484+1319396+619396+6111210(Top 44%)8257(Top 57%)8257(Top 170%)
25K15.53 mi2.42 mi12783+7019057+3399057+33910062(Top 39%)7527(Top 52%)7527(Top 155%)
30K18.64 mi3.11 mi12021+7628631+4268631+4269377(Top 37%)6959(Top 48%)6959(Top 144%)
20M20.00 mi1.36 mi11652+3698418+2138418+2138178(Top 32%)6094(Top 42%)6094(Top 126%)
21M21.00 mi1.00 mi11249+4038162+2568162+2566379(Top 25%)4908(Top 34%)4908(Top 101%)
35K21.75 mi0.75 mi11114+1358054+1088054+1088832(Top 35%)6178(Top 42%)6178(Top 127%)
23M23.00 mi1.25 mi10803+3117849+2057849+2057215(Top 28%)5194(Top 36%)5194(Top 107%)
24M24.00 mi1.00 mi10667+1367731+1187731+1188550(Top 33%)5798(Top 40%)5798(Top 120%)
40K24.85 mi0.85 mi10480+1877587+1447587+1447655(Top 30%)5200(Top 36%)5200(Top 107%)
25.2M25.20 mi0.35 mi10415+657544+437544+437158(Top 28%)4900(Top 34%)4900(Top 101%)
Finish26.22 mi1.02 mi10254+1617430+1147430+1147271(Top 28%)5022(Top 34%)5022(Top 104%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

11943

Males

8697

M18-39

8697

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

13976

Males

9599

M18-39

9599

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

11943

Males

8697

M18-39

8697

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11126

Males

8220

M18-39

8220

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11210

Males

8257

M18-39

8257

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10062

Males

7527

M18-39

7527

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9377

Males

6959

M18-39

6959

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8178

Males

6094

M18-39

6094

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6379

Males

4908

M18-39

4908

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

8832

Males

6178

M18-39

6178

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7215

Males

5194

M18-39

5194

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8550

Males

5798

M18-39

5798

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7655

Males

5200

M18-39

5200

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7158

Males

4900

M18-39

4900

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7271

Males

5022

M18-39

5022

Passing Analysis

Category:
Athletes Passed
7258*
Passed By
159
Net Change
+7099
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17353
5K → 10K161610+1606#17353#15747
10K → 15K12563+1253#15747#14494
15K → 20K8845+879#14494#13615
20K → Half1321+131#13615#13484
Half → 25K7065+701#13484#12783
25K → 30K77917+762#12783#12021
30K → 20M3756+369#12021#11652
20M → 21M4107+403#11652#11249
21M → 35K15722+135#11249#11114
35K → 23M32211+311#11114#10803
23M → 24M17438+136#10803#10667
24M → 40K202*15+187#10667#10480
40K → 25.2M716+65#10480#10415
25.2M → Finish17413+161#10415#10254
TOTALS7258*159+7099

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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