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BOSTON MARATHON 2024

Xiaoguang Zhu

Bib: 10333•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
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
7:45/mi
24:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:38/mi
47:46
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:11:45
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:36:35
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:42:17
↑ 19↓ 370.5%
25K· 15.53 mi
8:32/mi
2:02:59
↑ 66↓ 880.2%
30K· 18.64 mi
9:26/mi
2:32:18
↑ 181↓ 1480.2%
20M
11:24/mi
2:47:48
↑ 64↓ 500.2%
21M
12:18/mi
3:00:06
↑ 106↓ 241.6%
35K· 21.75 mi
10:10/mi
3:07:42
↑ 17↓ 861.7%
23M
11:51/mi
3:22:32
↑ 23↓ 630.6%
24M
10:42/mi
3:33:14
↓ 821.3%
40K· 24.85 mi
9:39/mi
3:41:29
↓ 200.3%
25.2M
11:45/mi
3:45:32
↑ 13↓ 160.2%
Finish· 26.22 mi
9:48/mi
3:55:31
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:17
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time2:13:14
Pace10:10 /mi
📊Positive Split: 30.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:5624:047:4524:04
7:45
-
10K
6.21 mi11:14:3847:467:4123:42
7:38
-0:07
15K
9.32 mi11:38:371:11:457:4223:59
7:43
+0:05
20K
12.43 mi12:03:271:36:357:4624:50
8:00
+0:17
Half
13.11 mi12:09:091:42:177:485:42
8:21
+0:21
25K
15.53 mi12:29:512:02:597:5520:42
8:32
+0:11
30K
18.64 mi12:59:102:32:188:1029:19
9:26
+0:54
20M
20.00 mi13:14:402:47:488:2315:30
11:24
+1:58
21M
21.00 mi13:26:583:00:068:3512:18
12:18
+0:54
35K
21.75 mi13:34:343:07:428:387:36
10:10
-2:08
23M
23.00 mi13:49:243:22:328:4814:50
11:51
+1:41
24M
24.00 mi14:00:063:33:148:5310:42
10:42
-1:09
40K
24.85 mi14:08:213:41:298:558:15
9:39
-1:03
25.2M
25.20 mi14:12:243:45:328:574:03
11:45
+2:06
Finish
26.22 mi14:22:233:55:318:599:59
9:48
-1:57

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

7:38 /mi

Average Pace

8:59 /mi

Slowest Pace

12:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:59

52% of race

Time at Steady Pace

55:09

23% of race

Time at Slower Pace

57:23

24% of race

Average Pace: 8:59 /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 mi10:50:5624:047:4524:04
7:45
#12663
10K
6.21 mi11:14:3847:467:4123:42
7:38
#11977
15K
9.32 mi11:38:371:11:457:4223:59
7:43
#11725
20K
12.43 mi12:03:271:36:357:4624:50
8:00
#11690
Half
13.11 mi12:09:091:42:177:485:42
8:21
#11870
25K
15.53 mi12:29:512:02:597:5520:42
8:32
#12102
30K
18.64 mi12:59:102:32:188:1029:19
9:26
#12781
20M
20.00 mi13:14:402:47:488:2315:30
11:24
#13714
21M
21.00 mi13:26:583:00:068:3512:18
12:18
#14297
35K
21.75 mi13:34:343:07:428:387:36
10:10
#14482
23M
23.00 mi13:49:243:22:328:4814:50
11:51
#15131
24M
24.00 mi14:00:063:33:148:5310:42
10:42
#15371
40K
24.85 mi14:08:213:41:298:558:15
9:39
#15279
25.2M
25.20 mi14:12:243:45:328:574:03
11:45
#15317
Finish
26.22 mi14:22:233:55:318:599:59
9:48
#15396
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi126639118911811336(Top 44%)8449(Top 58%)8449(Top 437%)
10K6.21 mi3.10 mi11977+6868791+3278791+32711282(Top 44%)8455(Top 58%)8455(Top 437%)
15K9.32 mi3.11 mi11725+2528645+1468645+14611336(Top 44%)8449(Top 58%)8449(Top 437%)
20K12.43 mi3.11 mi11690+358614+318614+3111768(Top 46%)8547(Top 59%)8547(Top 442%)
Half13.11 mi0.68 mi11870-1808687-738687-7314884(Top 58%)9880(Top 68%)9880(Top 511%)
25K15.53 mi2.42 mi12102-2328756-698756-6913254(Top 52%)9041(Top 62%)9041(Top 467%)
30K18.64 mi3.11 mi12781-6798974-2188974-21815188(Top 59%)9641(Top 66%)9641(Top 498%)
20M20.00 mi1.36 mi13714-9339309-3359309-33520190(Top 79%)11818(Top 81%)11818(Top 611%)
21M21.00 mi1.00 mi14297-5839506-1979506-19719448(Top 76%)11360(Top 78%)11360(Top 587%)
35K21.75 mi0.75 mi14482-1859560-549560-5417618(Top 69%)10434(Top 72%)10434(Top 539%)
23M23.00 mi1.25 mi15131-6499776-2169776-21620391(Top 80%)11753(Top 81%)11753(Top 607%)
24M24.00 mi1.00 mi15371-2409839-639839-6318414(Top 72%)10713(Top 73%)10713(Top 554%)
40K24.85 mi0.85 mi15279+929763+769763+7613694(Top 54%)8287(Top 57%)8287(Top 428%)
25.2M25.20 mi0.35 mi15317-389766-39766-316676(Top 65%)9770(Top 67%)9770(Top 505%)
Finish26.22 mi1.02 mi15396-799775-99775-917690(Top 69%)10294(Top 71%)10294(Top 532%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11336

Males

8449

M50-54

8449

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11282

Males

8455

M50-54

8455

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11336

Males

8449

M50-54

8449

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

11768

Males

8547

M50-54

8547

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

14884

Males

9880

M50-54

9880

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13254

Males

9041

M50-54

9041

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15188

Males

9641

M50-54

9641

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

20190

Males

11818

M50-54

11818

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

19448

Males

11360

M50-54

11360

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

17618

Males

10434

M50-54

10434

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

20391

Males

11753

M50-54

11753

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

18414

Males

10713

M50-54

10713

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

13694

Males

8287

M50-54

8287

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

16676

Males

9770

M50-54

9770

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

17690

Males

10294

M50-54

10294

Passing Analysis

Category:
Athletes Passed
2059
Passed By
4792
Net Change
-2733
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12663
5K → 10K75872+686#12663#11977
10K → 15K363111+252#11977#11725
15K → 20K259224+35#11725#11690
20K → Half12192-180#11690#11870
Half → 25K167399-232#11870#12102
25K → 30K120799-679#12102#12781
30K → 20M24957-933#12781#13714
20M → 21M37620-583#13714#14297
21M → 35K44229-185#14297#14482
35K → 23M33682-649#14482#15131
23M → 24M38278-240#15131#15371
24M → 40K13038+92#15371#15279
40K → 25.2M2866-38#15279#15317
25.2M → Finish46125-79#15317#15396
TOTALS20594792-2733
📊

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