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BOSTON MARATHON 2024

Cliff Li

Bib: 11269•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 32%
Gender (Male)
#0 / 14578
Top 43%
Masters (Masters Men)
#0 / 9729
Top 33%
Division (M50-54)
#0 / 1935
Top 32%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:38
Rank: #11584
Start → 5K
23:38 | 7:36/mi
10K· 6.21 mi
46:51
Rank: #10814 (+770)
5K → 10K
23:13 | 7:28/mi
15K· 9.32 mi
1:10:09
Rank: #10377 (+437)
10K → 15K
23:18 | 7:30/mi
20K· 12.43 mi
1:33:44
Rank: #9961 (+416)
15K → 20K
23:35 | 7:35/mi
Half· 13.11 mi
1:38:53
Rank: #9925 (+36)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:57:27
Rank: #9515 (+410)
Half → 25K
18:34 | 7:39/mi
30K· 18.64 mi
2:22:02
Rank: #8997 (+518)
25K → 30K
24:35 | 7:55/mi
20M
2:33:14
Rank: #8850 (+147)
30K → 20M
11:12 | 8:15/mi
21M
2:41:59
Rank: #8665 (+185)
20M → 21M
8:45 | 8:45/mi
35K· 21.75 mi
2:48:03
Rank: #8601 (+64)
21M → 35K
6:04 | 8:07/mi
23M
2:58:32
Rank: #8458 (+143)
35K → 23M
10:29 | 8:22/mi
24M
3:06:35
Rank: #8339 (+119)
23M → 24M
8:03 | 8:03/mi
40K· 24.85 mi
3:13:50
Rank: #8291 (+48)
24M → 40K
7:15 | 8:29/mi
25.2M
3:17:00
Rank: #8242 (+49)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:24:40
Rank: #8098 (+144)
25.2M → Finish
7:40 | 7:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:53
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:45:47
Pace8:04 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5323:387:3623:38
7:36
-
10K
6.21 mi11:15:0646:517:3223:13
7:28
-0:08
15K
9.32 mi11:38:241:10:097:3223:18
7:30
+0:02
20K
12.43 mi12:01:591:33:447:3323:35
7:35
+0:05
Half
13.11 mi12:07:081:38:537:335:09
7:33
-0:02
25K
15.53 mi12:25:421:57:277:3418:34
7:39
+0:06
30K
18.64 mi12:50:172:22:027:3724:35
7:55
+0:16
20M
20.00 mi13:01:292:33:147:4011:12
8:15
+0:20
21M
21.00 mi13:10:142:41:597:438:45
8:45
+0:30
35K
21.75 mi13:16:182:48:037:446:04
8:07
-0:38
23M
23.00 mi13:26:472:58:327:4610:29
8:22
+0:15
24M
24.00 mi13:34:503:06:357:468:03
8:03
-0:19
40K
24.85 mi13:42:053:13:507:487:15
8:29
+0:26
25.2M
25.20 mi13:45:153:17:007:493:10
9:11
+0:42
Finish
26.22 mi13:52:553:24:407:497:40
7:31
-1:40

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

7:28 /mi

Average Pace

7:49 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:07

61% of race

Time at Steady Pace

38:42

19% of race

Time at Slower Pace

40:51

20% of race

Average Pace: 7:48 /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 mi10:51:5323:387:3623:38
7:36
#11584
10K
6.21 mi11:15:0646:517:3223:13
7:28
#10814
15K
9.32 mi11:38:241:10:097:3223:18
7:30
#10377
20K
12.43 mi12:01:591:33:447:3323:35
7:35
#9961
Half
13.11 mi12:07:081:38:537:335:09
7:33
#9925
25K
15.53 mi12:25:421:57:277:3418:34
7:39
#9515
30K
18.64 mi12:50:172:22:027:3724:35
7:55
#8997
20M
20.00 mi13:01:292:33:147:4011:12
8:15
#8850
21M
21.00 mi13:10:142:41:597:438:45
8:45
#8665
35K
21.75 mi13:16:182:48:037:446:04
8:07
#8601
23M
23.00 mi13:26:472:58:327:4610:29
8:22
#8458
24M
24.00 mi13:34:503:06:357:468:03
8:03
#8339
40K
24.85 mi13:42:053:13:507:487:15
8:29
#8291
25.2M
25.20 mi13:45:153:17:007:493:10
9:11
#8242
Finish
26.22 mi13:52:553:24:407:497:40
7:31
#8098
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi11584865586559671(Top 38%)7638(Top 52%)7638(Top 395%)
10K6.21 mi3.10 mi10814+7708276+3798276+37910035(Top 39%)7897(Top 54%)7897(Top 408%)
15K9.32 mi3.11 mi10377+4378073+2038073+2039671(Top 38%)7638(Top 52%)7638(Top 395%)
20K12.43 mi3.11 mi9961+4167808+2657808+2658997(Top 35%)7166(Top 49%)7166(Top 370%)
Half13.11 mi0.68 mi9925+367789+197789+199420(Top 37%)7373(Top 51%)7373(Top 381%)
25K15.53 mi2.42 mi9515+4107531+2587531+2587998(Top 31%)6428(Top 44%)6428(Top 332%)
30K18.64 mi3.11 mi8997+5187165+3667165+3667370(Top 29%)5847(Top 40%)5847(Top 302%)
20M20.00 mi1.36 mi8850+1477024+1417024+1418050(Top 32%)6023(Top 41%)6023(Top 311%)
21M21.00 mi1.00 mi8665+1856867+1576867+1577374(Top 29%)5472(Top 38%)5472(Top 283%)
35K21.75 mi0.75 mi8601+646797+706797+708437(Top 33%)5984(Top 41%)5984(Top 309%)
23M23.00 mi1.25 mi8458+1436650+1476650+1477743(Top 30%)5458(Top 37%)5458(Top 282%)
24M24.00 mi1.00 mi8339+1196535+1156535+1156892(Top 27%)4928(Top 34%)4928(Top 255%)
40K24.85 mi0.85 mi8291+486460+756460+758223(Top 32%)5514(Top 38%)5514(Top 285%)
25.2M25.20 mi0.35 mi8242+496403+576403+577363(Top 29%)4989(Top 34%)4989(Top 258%)
Finish26.22 mi1.02 mi8098+1446287+1166287+1165753(Top 23%)4217(Top 29%)4217(Top 218%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9671

Males

7638

M50-54

7638

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10035

Males

7897

M50-54

7897

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9671

Males

7638

M50-54

7638

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

8997

Males

7166

M50-54

7166

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9420

Males

7373

M50-54

7373

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

7998

Males

6428

M50-54

6428

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7370

Males

5847

M50-54

5847

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8050

Males

6023

M50-54

6023

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7374

Males

5472

M50-54

5472

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8437

Males

5984

M50-54

5984

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

7743

Males

5458

M50-54

5458

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

6892

Males

4928

M50-54

4928

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8223

Males

5514

M50-54

5514

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7363

Males

4989

M50-54

4989

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

5753

Males

4217

M50-54

4217

Passing Analysis

Category:
Athletes Passed
4018*
Passed By
531
Net Change
+3486
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11584
5K → 10K81040+770#11584#10814
10K → 15K47942+437#10814#10377
15K → 20K455*39+416#10377#9961
20K → Half5317+36#9961#9925
Half → 25K45645+410#9925#9515
25K → 30K56042+518#9515#8997
30K → 20M19851+147#8997#8850
20M → 21M21833+185#8850#8665
21M → 35K10743+64#8665#8601
35K → 23M19956+143#8601#8458
23M → 24M15334+119#8458#8339
24M → 40K11062+48#8339#8291
40K → 25.2M6314+49#8291#8242
25.2M → Finish15713+144#8242#8098
TOTALS4018*531+3486

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

📊

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