Boston Marathon logo
BOSTON MARATHON 2024

Zhuoming Zhang

Bib: 4231•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 25%
Gender (Male)
#0 / 14578
Top 36%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:14
Rank: #8068
Start → 5K
22:14 | 7:09/mi
10K· 6.21 mi
44:33
Rank: #7904 (+164)
5K → 10K
22:19 | 7:11/mi
15K· 9.32 mi
1:07:01
Rank: #7804 (+100)
10K → 15K
22:28 | 7:14/mi
20K· 12.43 mi
1:29:48
Rank: #7596 (+208)
15K → 20K
22:47 | 7:20/mi
Half· 13.11 mi
1:34:48
Rank: #7602 (-6)
20K → Half
5:00 | 7:20/mi
25K· 15.53 mi
1:52:49
Rank: #7347 (+255)
Half → 25K
18:01 | 7:26/mi
30K· 18.64 mi
2:16:54
Rank: #7102 (+245)
25K → 30K
24:05 | 7:45/mi
20M
2:27:31
Rank: #6906 (+196)
30K → 20M
10:37 | 7:49/mi
21M
2:35:49
Rank: #6691 (+215)
20M → 21M
8:18 | 8:18/mi
35K· 21.75 mi
2:41:34
Rank: #6603 (+88)
21M → 35K
5:45 | 7:41/mi
23M
2:51:55
Rank: #6523 (+80)
35K → 23M
10:21 | 8:16/mi
24M
2:59:53
Rank: #6454 (+69)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:06:42
Rank: #6354 (+100)
24M → 40K
6:49 | 7:58/mi
25.2M
3:09:42
Rank: #6317 (+37)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:17:29
Rank: #6261 (+56)
25.2M → Finish
7:47 | 7:38/mi

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
Time1:34:48
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:42:41
Pace7:50 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4822:147:0922:14
7:09
-
10K
6.21 mi11:13:0744:337:1022:19
7:11
+0:02
15K
9.32 mi11:35:351:07:017:1122:28
7:14
+0:03
20K
12.43 mi11:58:221:29:487:1422:47
7:20
+0:06
Half
13.11 mi12:03:221:34:487:145:00
7:20
0:00
25K
15.53 mi12:21:231:52:497:1618:01
7:26
+0:06
30K
18.64 mi12:45:282:16:547:2124:05
7:45
+0:19
20M
20.00 mi12:56:052:27:317:2310:37
7:49
+0:04
21M
21.00 mi13:04:232:35:497:258:18
8:18
+0:29
35K
21.75 mi13:10:082:41:347:265:45
7:41
-0:37
23M
23.00 mi13:20:292:51:557:2810:21
8:16
+0:35
24M
24.00 mi13:28:272:59:537:307:58
7:58
-0:18
40K
24.85 mi13:35:163:06:427:316:49
7:58
0:00
25.2M
25.20 mi13:38:163:09:427:323:00
8:42
+0:44
Finish
26.22 mi13:46:033:17:297:327:47
7:38
-1:04

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

7:09 /mi

Average Pace

7:32 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:49

57% of race

Time at Steady Pace

48:14

24% of race

Time at Slower Pace

36:26

18% of race

Average Pace: 7:32 /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 mi10:50:4822:147:0922:14
7:09
#8068
10K
6.21 mi11:13:0744:337:1022:19
7:11
#7904
15K
9.32 mi11:35:351:07:017:1122:28
7:14
#7804
20K
12.43 mi11:58:221:29:487:1422:47
7:20
#7596
Half
13.11 mi12:03:221:34:487:145:00
7:20
#7602
25K
15.53 mi12:21:231:52:497:1618:01
7:26
#7347
30K
18.64 mi12:45:282:16:547:2124:05
7:45
#7102
20M
20.00 mi12:56:052:27:317:2310:37
7:49
#6906
21M
21.00 mi13:04:232:35:497:258:18
8:18
#6691
35K
21.75 mi13:10:082:41:347:265:45
7:41
#6603
23M
23.00 mi13:20:292:51:557:2810:21
8:16
#6523
24M
24.00 mi13:28:272:59:537:307:58
7:58
#6454
40K
24.85 mi13:35:163:06:427:316:49
7:58
#6354
25.2M
25.20 mi13:38:163:09:427:323:00
8:42
#6317
Finish
26.22 mi13:46:033:17:297:327:47
7:38
#6261
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8068685968597675(Top 30%)6524(Top 45%)6524(Top 135%)
10K6.21 mi3.10 mi7904+1646729+1306729+1307804(Top 31%)6628(Top 45%)6628(Top 137%)
15K9.32 mi3.11 mi7804+1006642+876642+877675(Top 30%)6524(Top 45%)6524(Top 135%)
20K12.43 mi3.11 mi7596+2086490+1526490+1527196(Top 28%)6107(Top 42%)6107(Top 126%)
Half13.11 mi0.68 mi7602-66487+36487+37803(Top 31%)6488(Top 45%)6488(Top 134%)
25K15.53 mi2.42 mi7347+2556280+2076280+2076580(Top 26%)5561(Top 38%)5561(Top 115%)
30K18.64 mi3.11 mi7102+2456066+2146066+2146411(Top 25%)5272(Top 36%)5272(Top 109%)
20M20.00 mi1.36 mi6906+1965896+1705896+1705757(Top 23%)4709(Top 32%)4709(Top 97%)
21M21.00 mi1.00 mi6691+2155704+1925704+1925326(Top 21%)4309(Top 30%)4309(Top 89%)
35K21.75 mi0.75 mi6603+885625+795625+796007(Top 24%)4689(Top 32%)4689(Top 97%)
23M23.00 mi1.25 mi6523+805518+1075518+1077123(Top 28%)5139(Top 35%)5139(Top 106%)
24M24.00 mi1.00 mi6454+695441+775441+776441(Top 25%)4691(Top 32%)4691(Top 97%)
40K24.85 mi0.85 mi6354+1005334+1075334+1075657(Top 22%)4150(Top 28%)4150(Top 86%)
25.2M25.20 mi0.35 mi6317+375290+445290+445240(Top 21%)3861(Top 26%)3861(Top 80%)
Finish26.22 mi1.02 mi6261+565218+725218+726352(Top 25%)4518(Top 31%)4518(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

7675

Males

6524

M18-39

6524

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

7804

Males

6628

M18-39

6628

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

7675

Males

6524

M18-39

6524

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7196

Males

6107

M18-39

6107

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

7803

Males

6488

M18-39

6488

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6580

Males

5561

M18-39

5561

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6411

Males

5272

M18-39

5272

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

5757

Males

4709

M18-39

4709

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5326

Males

4309

M18-39

4309

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6007

Males

4689

M18-39

4689

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7123

Males

5139

M18-39

5139

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6441

Males

4691

M18-39

4691

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5657

Males

4150

M18-39

4150

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5240

Males

3861

M18-39

3861

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

6352

Males

4518

M18-39

4518

Passing Analysis

Category:
Athletes Passed
2594
Passed By
787
Net Change
+1807
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8068
5K → 10K304140+164#8068#7904
10K → 15K219119+100#7904#7804
15K → 20K27567+208#7804#7596
20K → Half3238-6#7596#7602
Half → 25K29944+255#7602#7347
25K → 30K33590+245#7347#7102
30K → 20M22933+196#7102#6906
20M → 21M23318+215#6906#6691
21M → 35K10820+88#6691#6603
35K → 23M15171+80#6603#6523
23M → 24M12051+69#6523#6454
24M → 40K13131+100#6454#6354
40K → 25.2M5821+37#6354#6317
25.2M → Finish10044+56#6317#6261
TOTALS2594787+1807
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing