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BOSTON MARATHON 2024

Lichao Shen

Bib: 12052•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 48%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 50%
Division (M50-54)
#0 / 1935
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
7:02/mi
21:51
↑ 97↓ 3451.5%
10K· 6.21 mi
7:04/mi
43:48
↑ 79↓ 1380.4%
15K· 9.32 mi
7:13/mi
1:06:13
↑ 67↓ 78
20K· 12.43 mi
7:30/mi
1:29:30
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:34:36
↑ 19↓ 370.5%
25K· 15.53 mi
7:52/mi
1:53:41
↑ 66↓ 880.2%
30K· 18.64 mi
9:18/mi
2:22:35
↑ 181↓ 1480.2%
20M
10:04/mi
2:36:16
↑ 64↓ 500.2%
21M
11:11/mi
2:47:27
↑ 106↓ 241.6%
35K· 21.75 mi
9:45/mi
2:54:45
↑ 17↓ 861.7%
23M
10:30/mi
3:07:54
↑ 23↓ 630.6%
24M
10:05/mi
3:17:59
↓ 821.3%
40K· 24.85 mi
10:54/mi
3:27:18
↓ 200.3%
25.2M
11:01/mi
3:31:06
↑ 13↓ 160.2%
Finish· 26.22 mi
9:32/mi
3:40:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:36
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time2:06:13
Pace9:38 /mi
📊Positive Split: 33.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4621:517:0221:51
7:02
-
10K
6.21 mi11:12:4343:487:0321:57
7:04
+0:02
15K
9.32 mi11:35:081:06:137:0622:25
7:13
+0:09
20K
12.43 mi11:58:251:29:307:1223:17
7:30
+0:17
Half
13.11 mi12:03:311:34:367:135:06
7:29
-0:01
25K
15.53 mi12:22:361:53:417:1919:05
7:52
+0:23
30K
18.64 mi12:51:302:22:357:3928:54
9:18
+1:26
20M
20.00 mi13:05:112:36:167:4913:41
10:04
+0:46
21M
21.00 mi13:16:222:47:277:5811:11
11:11
+1:07
35K
21.75 mi13:23:402:54:458:027:18
9:45
-1:26
23M
23.00 mi13:36:493:07:548:1013:09
10:30
+0:45
24M
24.00 mi13:46:543:17:598:1510:05
10:05
-0:25
40K
24.85 mi13:56:133:27:188:209:19
10:54
+0:49
25.2M
25.20 mi14:00:013:31:068:233:48
11:01
+0:07
Finish
26.22 mi14:09:443:40:498:269:43
9:32
-1:29

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

7:02 /mi

Average Pace

8:26 /mi

Slowest Pace

11:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:41

51% of race

Time at Steady Pace

1:09:41

32% of race

Time at Slower Pace

37:27

17% of race

Average Pace: 8:25 /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 mi10:50:4621:517:0221:51
7:02
#7244
10K
6.21 mi11:12:4343:487:0321:57
7:04
#7140
15K
9.32 mi11:35:081:06:137:0622:25
7:13
#7240
20K
12.43 mi11:58:251:29:307:1223:17
7:30
#7451
Half
13.11 mi12:03:311:34:367:135:06
7:29
#7493
25K
15.53 mi12:22:361:53:417:1919:05
7:52
#7733
30K
18.64 mi12:51:302:22:357:3928:54
9:18
#9192
20M
20.00 mi13:05:112:36:167:4913:41
10:04
#9879
21M
21.00 mi13:16:222:47:277:5811:11
11:11
#10457
35K
21.75 mi13:23:402:54:458:027:18
9:45
#10715
23M
23.00 mi13:36:493:07:548:1013:09
10:30
#11252
24M
24.00 mi13:46:543:17:598:1510:05
10:05
#11563
40K
24.85 mi13:56:133:27:188:209:19
10:54
#11932
25.2M
25.20 mi14:00:013:31:068:233:48
11:01
#11989
Finish
26.22 mi14:09:443:40:498:269:43
9:32
#12162
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7244633263327573(Top 30%)6454(Top 44%)6454(Top 334%)
10K6.21 mi3.10 mi7140+1046244+886244+887082(Top 28%)6172(Top 42%)6172(Top 319%)
15K9.32 mi3.11 mi7240-1006291-476291-477573(Top 30%)6454(Top 44%)6454(Top 334%)
20K12.43 mi3.11 mi7451-2116388-976388-978329(Top 33%)6795(Top 47%)6795(Top 351%)
Half13.11 mi0.68 mi7493-426406-186406-188922(Top 35%)7139(Top 49%)7139(Top 369%)
25K15.53 mi2.42 mi7733-2406528-1226528-1229371(Top 37%)7176(Top 49%)7176(Top 371%)
30K18.64 mi3.11 mi9192-14597275-7477275-74714621(Top 57%)9377(Top 64%)9377(Top 485%)
20M20.00 mi1.36 mi9879-6877547-2727547-27216696(Top 65%)10099(Top 69%)10099(Top 522%)
21M21.00 mi1.00 mi10457-5787775-2287775-22816811(Top 66%)10016(Top 69%)10016(Top 518%)
35K21.75 mi0.75 mi10715-2587868-937868-9316375(Top 64%)9786(Top 67%)9786(Top 506%)
23M23.00 mi1.25 mi11252-5378062-1948062-19417047(Top 67%)10074(Top 69%)10074(Top 521%)
24M24.00 mi1.00 mi11563-3118154-928154-9216573(Top 65%)9808(Top 67%)9808(Top 507%)
40K24.85 mi0.85 mi11932-3698276-1228276-12217793(Top 70%)10341(Top 71%)10341(Top 534%)
25.2M25.20 mi0.35 mi11989-578282-68282-614504(Top 57%)8672(Top 59%)8672(Top 448%)
Finish26.22 mi1.02 mi12162-1738336-548336-5416662(Top 65%)9775(Top 67%)9775(Top 505%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

7573

Males

6454

M50-54

6454

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7082

Males

6172

M50-54

6172

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

7573

Males

6454

M50-54

6454

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8329

Males

6795

M50-54

6795

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

8922

Males

7139

M50-54

7139

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

9371

Males

7176

M50-54

7176

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

14621

Males

9377

M50-54

9377

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

16696

Males

10099

M50-54

10099

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

16811

Males

10016

M50-54

10016

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16375

Males

9786

M50-54

9786

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17047

Males

10074

M50-54

10074

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

16573

Males

9808

M50-54

9808

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

17793

Males

10341

M50-54

10341

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

14504

Males

8672

M50-54

8672

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

16662

Males

9775

M50-54

9775

Passing Analysis

Category:
Athletes Passed
890
Passed By
5805
Net Change
-4918
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7244
5K → 10K234130+104#7244#7140
10K → 15K113213-100#7140#7240
15K → 20K116327-211#7240#7451
20K → Half1860-42#7451#7493
Half → 25K104344-240#7493#7733
25K → 30K381497-1459#7733#9192
30K → 20M39725-687#9192#9879
20M → 21M19595-578#9879#10457
21M → 35K28286-258#10457#10715
35K → 23M45582-537#10715#11252
23M → 24M39350-311#11252#11563
24M → 40K38407-369#11563#11932
40K → 25.2M2481-57#11932#11989
25.2M → Finish35208-173#11989#12162
TOTALS8905805-4918
📊

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