Boston Marathon logo
BOSTON MARATHON 2024

Duozhe Li

Bib: 10618•M

NT

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 33%
Gender (Male)
#0 / 14578
Top 45%
Masters (Masters Men)
#0 / 9729
Top 35%
Division (M50-54)
#0 / 1935
Top 34%
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
7:15/mi
22:31
↑ 97↓ 3451.5%
10K· 6.21 mi
7:20/mi
45:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:08:06
↑ 67↓ 78
20K· 12.43 mi
7:25/mi
1:31:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:36:11
↑ 19↓ 370.5%
25K· 15.53 mi
7:39/mi
1:54:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:51/mi
2:19:09
↑ 181↓ 1480.2%
20M
8:02/mi
2:30:04
↑ 64↓ 500.2%
21M
9:46/mi
2:39:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
2:46:28
↑ 17↓ 861.7%
23M
8:52/mi
2:57:34
↑ 23↓ 630.6%
24M
9:00/mi
3:06:34
↓ 821.3%
40K· 24.85 mi
9:04/mi
3:14:19
↓ 200.3%
25.2M
10:18/mi
3:17:52
↑ 13↓ 160.2%
Finish· 26.22 mi
8:23/mi
3:26:25
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:11
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:50:14
Pace8:25 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3922:317:1522:31
7:15
-
10K
6.21 mi11:12:2745:197:1822:48
7:20
+0:05
15K
9.32 mi11:35:141:08:067:1822:47
7:20
0:00
20K
12.43 mi11:58:161:31:087:2023:02
7:25
+0:05
Half
13.11 mi12:03:191:36:117:205:03
7:24
-0:01
25K
15.53 mi12:21:531:54:457:2318:34
7:39
+0:15
30K
18.64 mi12:46:172:19:097:2824:24
7:51
+0:12
20M
20.00 mi12:57:122:30:047:3010:55
8:02
+0:11
21M
21.00 mi13:06:582:39:507:379:46
9:46
+1:44
35K
21.75 mi13:13:362:46:287:396:38
8:52
-0:54
23M
23.00 mi13:24:422:57:347:4311:06
8:52
0:00
24M
24.00 mi13:33:423:06:347:469:00
9:00
+0:08
40K
24.85 mi13:41:273:14:197:497:45
9:04
+0:04
25.2M
25.20 mi13:45:003:17:527:513:33
10:18
+1:14
Finish
26.22 mi13:53:333:26:257:538:33
8:23
-1:55

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

7:15 /mi

Average Pace

7:53 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:11

47% of race

Time at Steady Pace

1:02:26

30% of race

Time at Slower Pace

47:48

23% of race

Average Pace: 7:52 /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 mi10:49:3922:317:1522:31
7:15
#8772
10K
6.21 mi11:12:2745:197:1822:48
7:20
#8853
15K
9.32 mi11:35:141:08:067:1822:47
7:20
#8657
20K
12.43 mi11:58:161:31:087:2023:02
7:25
#8357
Half
13.11 mi12:03:191:36:117:205:03
7:24
#8364
25K
15.53 mi12:21:531:54:457:2318:34
7:39
#8227
30K
18.64 mi12:46:172:19:097:2824:24
7:51
#7879
20M
20.00 mi12:57:122:30:047:3010:55
8:02
#7781
21M
21.00 mi13:06:582:39:507:379:46
9:46
#7976
35K
21.75 mi13:13:362:46:287:396:38
8:52
#8126
23M
23.00 mi13:24:422:57:347:4311:06
8:52
#8192
24M
24.00 mi13:33:423:06:347:469:00
9:00
#8331
40K
24.85 mi13:41:273:14:197:497:45
9:04
#8414
25.2M
25.20 mi13:45:003:17:527:513:33
10:18
#8462
Finish
26.22 mi13:53:333:26:257:538:33
8:23
#8529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8772727372738383(Top 33%)6950(Top 48%)6950(Top 359%)
10K6.21 mi3.10 mi8853-817280-77280-78959(Top 35%)7316(Top 50%)7316(Top 378%)
15K9.32 mi3.11 mi8657+1967157+1237157+1238383(Top 33%)6950(Top 48%)6950(Top 359%)
20K12.43 mi3.11 mi8357+3006952+2056952+2057729(Top 30%)6439(Top 44%)6439(Top 333%)
Half13.11 mi0.68 mi8364-76953-16953-18376(Top 33%)6826(Top 47%)6826(Top 353%)
25K15.53 mi2.42 mi8227+1376825+1286825+1288004(Top 31%)6434(Top 44%)6434(Top 333%)
30K18.64 mi3.11 mi7879+3486521+3046521+3047028(Top 28%)5644(Top 39%)5644(Top 292%)
20M20.00 mi1.36 mi7781+986417+1046417+1046960(Top 27%)5416(Top 37%)5416(Top 280%)
21M21.00 mi1.00 mi7976-1956485-686485-6811963(Top 47%)7692(Top 53%)7692(Top 398%)
35K21.75 mi0.75 mi8126-1506530-456530-4512634(Top 49%)7987(Top 55%)7987(Top 413%)
23M23.00 mi1.25 mi8192-666504+266504+2610448(Top 41%)6789(Top 47%)6789(Top 351%)
24M24.00 mi1.00 mi8331-1396529-256529-2512133(Top 47%)7620(Top 52%)7620(Top 394%)
40K24.85 mi0.85 mi8414-836532-36532-311130(Top 44%)6983(Top 48%)6983(Top 361%)
25.2M25.20 mi0.35 mi8462-486535-36535-312009(Top 47%)7370(Top 51%)7370(Top 381%)
Finish26.22 mi1.02 mi8529-676529+66529+610861(Top 43%)6922(Top 47%)6922(Top 358%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8383

Males

6950

M50-54

6950

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

8959

Males

7316

M50-54

7316

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8383

Males

6950

M50-54

6950

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7729

Males

6439

M50-54

6439

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

8376

Males

6826

M50-54

6826

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8004

Males

6434

M50-54

6434

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7028

Males

5644

M50-54

5644

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

6960

Males

5416

M50-54

5416

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

11963

Males

7692

M50-54

7692

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

12634

Males

7987

M50-54

7987

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10448

Males

6789

M50-54

6789

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12133

Males

7620

M50-54

7620

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11130

Males

6983

M50-54

6983

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12009

Males

7370

M50-54

7370

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

10861

Males

6922

M50-54

6922

Passing Analysis

Category:
Athletes Passed
2166
Passed By
1923
Net Change
+243
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8772
5K → 10K210291-81#8772#8853
10K → 15K28488+196#8853#8657
15K → 20K35858+300#8657#8357
20K → Half3037-7#8357#8364
Half → 25K252115+137#8364#8227
25K → 30K43385+348#8227#7879
30K → 20M16264+98#7879#7781
20M → 21M69264-195#7781#7976
21M → 35K43193-150#7976#8126
35K → 23M106172-66#8126#8192
23M → 24M62201-139#8192#8331
24M → 40K59142-83#8331#8414
40K → 25.2M3482-48#8414#8462
25.2M → Finish64131-67#8462#8529
TOTALS21661923+243
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing