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BOSTON MARATHON 2024

Ju Zhang

Bib: 2981•M

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 8%
Gender (Male)
#0 / 14578
Top 13%
Division (M18-39)
#0 / 4849
Top 31%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:39
Rank: #2228
Start → 5K
19:39 | 6:19/mi
10K· 6.21 mi
39:45
Rank: #2504 (-276)
5K → 10K
20:06 | 6:28/mi
15K· 9.32 mi
1:00:05
Rank: #2635 (-131)
10K → 15K
20:20 | 6:33/mi
20K· 12.43 mi
1:20:45
Rank: #2675 (-40)
15K → 20K
20:40 | 6:39/mi
Half· 13.11 mi
1:25:10
Rank: #2658 (+17)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:41:30
Rank: #2634 (+24)
Half → 25K
16:20 | 6:44/mi
30K· 18.64 mi
2:03:11
Rank: #2547 (+87)
25K → 30K
21:41 | 6:59/mi
20M
2:12:37
Rank: #2452 (+95)
30K → 20M
9:26 | 6:57/mi
21M
2:20:09
Rank: #2410 (+42)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:24:59
Rank: #2328 (+82)
21M → 35K
4:50 | 6:28/mi
23M
2:33:47
Rank: #2262 (+66)
35K → 23M
8:48 | 7:02/mi
24M
2:40:27
Rank: #2151 (+111)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:46:31
Rank: #2114 (+37)
24M → 40K
6:04 | 7:06/mi
25.2M
2:49:17
Rank: #2108 (+6)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
2:56:01
Rank: #2048 (+60)
25.2M → Finish
6:44 | 6:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:10
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:30:51
Pace6:56 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:5319:396:1919:39
6:19
-
10K
6.21 mi10:40:5939:456:2420:06
6:28
+0:09
15K
9.32 mi11:01:191:00:056:2720:20
6:33
+0:05
20K
12.43 mi11:21:591:20:456:3020:40
6:39
+0:06
Half
13.11 mi11:26:241:25:106:304:25
6:28
-0:11
25K
15.53 mi11:42:441:41:306:3216:20
6:44
+0:16
30K
18.64 mi12:04:252:03:116:3621:41
6:59
+0:15
20M
20.00 mi12:13:512:12:376:389:26
6:57
-0:02
21M
21.00 mi12:21:232:20:096:407:32
7:32
+0:35
35K
21.75 mi12:26:132:24:596:404:50
6:28
-1:04
23M
23.00 mi12:35:012:33:476:418:48
7:02
+0:34
24M
24.00 mi12:41:412:40:276:416:40
6:40
-0:22
40K
24.85 mi12:47:452:46:316:426:04
7:06
+0:26
25.2M
25.20 mi12:50:312:49:176:432:46
8:01
+0:55
Finish
26.22 mi12:57:152:56:016:436:44
6:36
-1:25

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

6:19 /mi

Average Pace

6:43 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:39

11% of race

Time at Steady Pace

1:40:05

57% of race

Time at Slower Pace

56:17

32% of race

Average Pace: 6:43 /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 mi10:20:5319:396:1919:39
6:19
#2228
10K
6.21 mi10:40:5939:456:2420:06
6:28
#2504
15K
9.32 mi11:01:191:00:056:2720:20
6:33
#2635
20K
12.43 mi11:21:591:20:456:3020:40
6:39
#2675
Half
13.11 mi11:26:241:25:106:304:25
6:28
#2658
25K
15.53 mi11:42:441:41:306:3216:20
6:44
#2634
30K
18.64 mi12:04:252:03:116:3621:41
6:59
#2547
20M
20.00 mi12:13:512:12:376:389:26
6:57
#2452
21M
21.00 mi12:21:232:20:096:407:32
7:32
#2410
35K
21.75 mi12:26:132:24:596:404:50
6:28
#2328
23M
23.00 mi12:35:012:33:476:418:48
7:02
#2262
24M
24.00 mi12:41:412:40:276:416:40
6:40
#2151
40K
24.85 mi12:47:452:46:316:426:04
7:06
#2114
25.2M
25.20 mi12:50:312:49:176:432:46
8:01
#2108
Finish
26.22 mi12:57:152:56:016:436:44
6:36
#2048
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2228215321532947(Top 12%)2810(Top 19%)2810(Top 58%)
10K6.21 mi3.10 mi2504-2762406-2532406-2532800(Top 11%)2677(Top 18%)2677(Top 55%)
15K9.32 mi3.11 mi2635-1312530-1242530-1242947(Top 12%)2810(Top 19%)2810(Top 58%)
20K12.43 mi3.11 mi2675-402562-322562-322901(Top 11%)2765(Top 19%)2765(Top 57%)
Half13.11 mi0.68 mi2658+172546+162546+162454(Top 10%)2349(Top 16%)2349(Top 48%)
25K15.53 mi2.42 mi2634+242514+322514+322824(Top 11%)2667(Top 18%)2667(Top 55%)
30K18.64 mi3.11 mi2547+872425+892425+892752(Top 11%)2573(Top 18%)2573(Top 53%)
20M20.00 mi1.36 mi2452+952338+872338+872105(Top 8%)1977(Top 14%)1977(Top 41%)
21M21.00 mi1.00 mi2410+422300+382300+382588(Top 10%)2353(Top 16%)2353(Top 49%)
35K21.75 mi0.75 mi2328+822222+782222+781172(Top 5%)1106(Top 8%)1106(Top 23%)
23M23.00 mi1.25 mi2262+662158+642158+642028(Top 8%)1854(Top 13%)1854(Top 38%)
24M24.00 mi1.00 mi2151+1112050+1082050+1081300(Top 5%)1212(Top 8%)1212(Top 25%)
40K24.85 mi0.85 mi2114+372013+372013+372147(Top 8%)1904(Top 13%)1904(Top 39%)
25.2M25.20 mi0.35 mi2108+62004+92004+92750(Top 11%)2331(Top 16%)2331(Top 48%)
Finish26.22 mi1.02 mi2048+601945+591945+591695(Top 7%)1505(Top 10%)1505(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

2947

Males

2810

M18-39

2810

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2800

Males

2677

M18-39

2677

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

2947

Males

2810

M18-39

2810

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2901

Males

2765

M18-39

2765

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2454

Males

2349

M18-39

2349

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2824

Males

2667

M18-39

2667

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2752

Males

2573

M18-39

2573

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2105

Males

1977

M18-39

1977

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2588

Males

2353

M18-39

2353

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1172

Males

1106

M18-39

1106

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2028

Males

1854

M18-39

1854

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1300

Males

1212

M18-39

1212

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2147

Males

1904

M18-39

1904

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

2750

Males

2331

M18-39

2331

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1695

Males

1505

M18-39

1505

Passing Analysis

Category:
Athletes Passed
1073
Passed By
893
Net Change
+180
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2228
5K → 10K39315-276#2228#2504
10K → 15K47178-131#2504#2635
15K → 20K80120-40#2635#2675
20K → Half247+17#2675#2658
Half → 25K9874+24#2658#2634
25K → 30K16275+87#2634#2547
30K → 20M11419+95#2547#2452
20M → 21M7836+42#2452#2410
21M → 35K831+82#2410#2328
35K → 23M9024+66#2328#2262
23M → 24M1154+111#2262#2151
24M → 40K5619+37#2151#2114
40K → 25.2M1711+6#2114#2108
25.2M → Finish7010+60#2108#2048
TOTALS1073893+180
📊

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