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BOSTON MARATHON 2024

Xiaoming Li

Bib: 10550•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 27%
Gender (Male)
#0 / 14578
Top 38%
Masters (Masters Men)
#0 / 9729
Top 27%
Division (M55-59)
#0 / 1529
Top 11%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
22:20
Rank: #8324
Start → 5K
22:20 | 7:11/mi
10K· 6.21 mi
44:26
Rank: #7775 (+549)
5K → 10K
22:06 | 7:07/mi
15K· 9.32 mi
1:06:34
Rank: #7481 (+294)
10K → 15K
22:08 | 7:07/mi
20K· 12.43 mi
1:29:12
Rank: #7296 (+185)
15K → 20K
22:38 | 7:17/mi
Half· 13.11 mi
1:34:18
Rank: #7357 (-61)
20K → Half
5:06 | 7:29/mi
25K· 15.53 mi
1:52:33
Rank: #7252 (+105)
Half → 25K
18:15 | 7:32/mi
30K· 18.64 mi
2:16:48
Rank: #7073 (+179)
25K → 30K
24:15 | 7:48/mi
20M
2:27:19
Rank: #6834 (+239)
30K → 20M
10:31 | 7:44/mi
21M
2:35:36
Rank: #6637 (+197)
20M → 21M
8:17 | 8:17/mi
35K· 21.75 mi
2:41:33
Rank: #6597 (+40)
21M → 35K
5:57 | 7:57/mi
23M
2:52:24
Rank: #6664 (-67)
35K → 23M
10:51 | 8:40/mi
24M
3:00:22
Rank: #6594 (+70)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:07:49
Rank: #6635 (-41)
24M → 40K
7:27 | 8:43/mi
25.2M
3:11:16
Rank: #6720 (-85)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:19:55
Rank: #6879 (-159)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:18
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:45:37
Pace8:03 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0822:207:1122:20
7:11
-
10K
6.21 mi11:13:1444:267:0922:06
7:07
-0:04
15K
9.32 mi11:35:221:06:347:0922:08
7:07
0:00
20K
12.43 mi11:58:001:29:127:1122:38
7:17
+0:10
Half
13.11 mi12:03:061:34:187:125:06
7:29
+0:12
25K
15.53 mi12:21:211:52:337:1518:15
7:32
+0:03
30K
18.64 mi12:45:362:16:487:2024:15
7:48
+0:16
20M
20.00 mi12:56:072:27:197:2210:31
7:44
-0:04
21M
21.00 mi13:04:242:35:367:258:17
8:17
+0:33
35K
21.75 mi13:10:212:41:337:265:57
7:57
-0:20
23M
23.00 mi13:21:122:52:247:3010:51
8:40
+0:43
24M
24.00 mi13:29:103:00:227:317:58
7:58
-0:42
40K
24.85 mi13:36:373:07:497:337:27
8:43
+0:45
25.2M
25.20 mi13:40:043:11:167:353:27
10:00
+1:17
Finish
26.22 mi13:48:433:19:557:388:39
8:29
-1:31

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

7:07 /mi

Average Pace

7:38 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:29:12

45% of race

Time at Steady Pace

1:12:02

36% of race

Time at Slower Pace

38:41

19% of race

Average Pace: 7:37 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:51:0822:207:1122:20
7:11
#8324
10K
6.21 mi11:13:1444:267:0922:06
7:07
#7775
15K
9.32 mi11:35:221:06:347:0922:08
7:07
#7481
20K
12.43 mi11:58:001:29:127:1122:38
7:17
#7296
Half
13.11 mi12:03:061:34:187:125:06
7:29
#7357
25K
15.53 mi12:21:211:52:337:1518:15
7:32
#7252
30K
18.64 mi12:45:362:16:487:2024:15
7:48
#7073
20M
20.00 mi12:56:072:27:197:2210:31
7:44
#6834
21M
21.00 mi13:04:242:35:367:258:17
8:17
#6637
35K
21.75 mi13:10:212:41:337:265:57
7:57
#6597
23M
23.00 mi13:21:122:52:247:3010:51
8:40
#6664
24M
24.00 mi13:29:103:00:227:317:58
7:58
#6594
40K
24.85 mi13:36:373:07:497:337:27
8:43
#6635
25.2M
25.20 mi13:40:043:11:167:353:27
10:00
#6720
Finish
26.22 mi13:48:433:19:557:388:39
8:29
#6879
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi8324700270026949(Top 27%)6037(Top 41%)6037(Top 395%)
10K6.21 mi3.10 mi7775+5496645+3576645+3577364(Top 29%)6359(Top 44%)6359(Top 416%)
15K9.32 mi3.11 mi7481+2946441+2046441+2046949(Top 27%)6037(Top 41%)6037(Top 395%)
20K12.43 mi3.11 mi7296+1856295+1466295+1466880(Top 27%)5918(Top 41%)5918(Top 387%)
Half13.11 mi0.68 mi7357-616322-276322-278851(Top 35%)7068(Top 48%)7068(Top 462%)
25K15.53 mi2.42 mi7252+1056223+996223+997140(Top 28%)5901(Top 40%)5901(Top 386%)
30K18.64 mi3.11 mi7073+1796051+1726051+1726740(Top 26%)5469(Top 38%)5469(Top 358%)
20M20.00 mi1.36 mi6834+2395845+2065845+2065404(Top 21%)4509(Top 31%)4509(Top 295%)
21M21.00 mi1.00 mi6637+1975666+1795666+1795257(Top 21%)4263(Top 29%)4263(Top 279%)
35K21.75 mi0.75 mi6597+405620+465620+467475(Top 29%)5472(Top 38%)5472(Top 358%)
23M23.00 mi1.25 mi6664-675608+125608+129355(Top 37%)6271(Top 43%)6271(Top 410%)
24M24.00 mi1.00 mi6594+705525+835525+836447(Top 25%)4697(Top 32%)4697(Top 307%)
40K24.85 mi0.85 mi6635-415509+165509+169435(Top 37%)6113(Top 42%)6113(Top 400%)
25.2M25.20 mi0.35 mi6720-855541-325541-3210887(Top 43%)6809(Top 47%)6809(Top 445%)
Finish26.22 mi1.02 mi6879-1595607-665607-6611409(Top 45%)7197(Top 49%)7197(Top 471%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

6949

Males

6037

M55-59

6037

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7364

Males

6359

M55-59

6359

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

6949

Males

6037

M55-59

6037

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

6880

Males

5918

M55-59

5918

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

8851

Males

7068

M55-59

7068

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7140

Males

5901

M55-59

5901

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6740

Males

5469

M55-59

5469

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5404

Males

4509

M55-59

4509

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5257

Males

4263

M55-59

4263

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7475

Males

5472

M55-59

5472

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9355

Males

6271

M55-59

6271

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6447

Males

4697

M55-59

4697

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9435

Males

6113

M55-59

6113

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

10887

Males

6809

M55-59

6809

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11409

Males

7197

M55-59

7197

Passing Analysis

Category:
Athletes Passed
2646
Passed By
1201
Net Change
+1445
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8324
5K → 10K59142+549#8324#7775
10K → 15K32228+294#7775#7481
15K → 20K27691+185#7481#7296
20K → Half1475-61#7296#7357
Half → 25K222117+105#7357#7252
25K → 30K293114+179#7252#7073
30K → 20M25213+239#7073#6834
20M → 21M22932+197#6834#6637
21M → 35K8343+40#6637#6597
35K → 23M96163-67#6597#6664
23M → 24M12454+70#6664#6594
24M → 40K87128-41#6594#6635
40K → 25.2M19104-85#6635#6720
25.2M → Finish38197-159#6720#6879
TOTALS26461201+1445
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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