Boston Marathon logo
BOSTON MARATHON 2024

Zunxuan Chen

Bib: 18110•M

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:06
Rank: #18921
Start → 5K
27:06 | 8:43/mi
10K· 6.21 mi
54:32
Rank: #18973 (-52)
5K → 10K
27:26 | 8:50/mi
15K· 9.32 mi
1:22:21
Rank: #18857 (+116)
10K → 15K
27:49 | 8:57/mi
20K· 12.43 mi
1:51:44
Rank: #18905 (-48)
15K → 20K
29:23 | 9:27/mi
Half· 13.11 mi
1:58:18
Rank: #19002 (-97)
20K → Half
6:34 | 9:37/mi
25K· 15.53 mi
2:22:19
Rank: #19002
Half → 25K
24:01 | 9:54/mi
30K· 18.64 mi
2:52:22
Rank: #18447 (+555)
25K → 30K
30:03 | 9:40/mi
20M
3:06:04
Rank: #18309 (+138)
30K → 20M
13:42 | 10:05/mi
21M
3:16:28
Rank: #18085 (+224)
20M → 21M
10:24 | 10:24/mi
35K· 21.75 mi
3:23:33
Rank: #17957 (+128)
21M → 35K
7:05 | 9:28/mi
23M
3:36:25
Rank: #17825 (+132)
35K → 23M
12:52 | 10:17/mi
24M
3:45:55
Rank: #17688 (+137)
23M → 24M
9:30 | 9:30/mi
40K· 24.85 mi
3:54:35
Rank: #17591 (+97)
24M → 40K
8:40 | 10:08/mi
25.2M
3:57:59
Rank: #17461 (+130)
40K → 25.2M
3:24 | 9:52/mi
Finish· 26.22 mi
4:07:51
Rank: #17403 (+58)
25.2M → Finish
9:52 | 9:41/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
Time1:58:18
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:09:33
Pace9:53 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2727:068:4327:06
8:43
-
10K
6.21 mi11:45:5354:328:4727:26
8:50
+0:07
15K
9.32 mi12:13:421:22:218:5027:49
8:57
+0:07
20K
12.43 mi12:43:051:51:448:5929:23
9:27
+0:30
Half
13.11 mi12:49:391:58:189:016:34
9:37
+0:10
25K
15.53 mi13:13:402:22:199:1024:01
9:54
+0:17
30K
18.64 mi13:43:432:52:229:1530:03
9:40
-0:14
20M
20.00 mi13:57:253:06:049:1813:42
10:05
+0:25
21M
21.00 mi14:07:493:16:289:2110:24
10:24
+0:19
35K
21.75 mi14:14:543:23:339:227:05
9:28
-0:56
23M
23.00 mi14:27:463:36:259:2512:52
10:17
+0:49
24M
24.00 mi14:37:163:45:559:259:30
9:30
-0:47
40K
24.85 mi14:45:563:54:359:268:40
10:08
+0:38
25.2M
25.20 mi14:49:203:57:599:273:24
9:52
-0:16
Finish
26.22 mi14:59:124:07:519:289:52
9:41
-0:11

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

8:43 /mi

Average Pace

9:28 /mi

Slowest Pace

10:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:19

52% of race

Time at Steady Pace

1:49:08

44% of race

Time at Slower Pace

10:24

4% of race

Average Pace: 9:27 /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 mi11:18:2727:068:4327:06
8:43
#18921
10K
6.21 mi11:45:5354:328:4727:26
8:50
#18973
15K
9.32 mi12:13:421:22:218:5027:49
8:57
#18857
20K
12.43 mi12:43:051:51:448:5929:23
9:27
#18905
Half
13.11 mi12:49:391:58:189:016:34
9:37
#19002
25K
15.53 mi13:13:402:22:199:1024:01
9:54
#19002
30K
18.64 mi13:43:432:52:229:1530:03
9:40
#18447
20M
20.00 mi13:57:253:06:049:1813:42
10:05
#18309
21M
21.00 mi14:07:493:16:289:2110:24
10:24
#18085
35K
21.75 mi14:14:543:23:339:227:05
9:28
#17957
23M
23.00 mi14:27:463:36:259:2512:52
10:17
#17825
24M
24.00 mi14:37:163:45:559:259:30
9:30
#17688
40K
24.85 mi14:45:563:54:359:268:40
10:08
#17591
25.2M
25.20 mi14:49:203:57:599:273:24
9:52
#17461
Finish
26.22 mi14:59:124:07:519:289:52
9:41
#17403
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18921115811158118675(Top 73%)11570(Top 79%)11570(Top 757%)
10K6.21 mi3.10 mi18973-5211616-3511616-3518991(Top 74%)11660(Top 80%)11660(Top 763%)
15K9.32 mi3.11 mi18857+11611592+2411592+2418675(Top 73%)11570(Top 79%)11570(Top 757%)
20K12.43 mi3.11 mi18905-4811634-4211634-4219047(Top 75%)11715(Top 80%)11715(Top 766%)
Half13.11 mi0.68 mi19002-9711667-3311667-3320416(Top 80%)12261(Top 84%)12261(Top 802%)
25K15.53 mi2.42 mi1900211653+1411653+1418859(Top 74%)11512(Top 79%)11512(Top 753%)
30K18.64 mi3.11 mi18447+55511332+32111332+32116130(Top 63%)10063(Top 69%)10063(Top 658%)
20M20.00 mi1.36 mi18309+13811239+9311239+9316745(Top 66%)10131(Top 69%)10131(Top 663%)
21M21.00 mi1.00 mi18085+22411114+12511114+12514507(Top 57%)8905(Top 61%)8905(Top 582%)
35K21.75 mi0.75 mi17957+12811030+8411030+8415373(Top 60%)9323(Top 64%)9323(Top 610%)
23M23.00 mi1.25 mi17825+13210949+8110949+8116359(Top 64%)9755(Top 67%)9755(Top 638%)
24M24.00 mi1.00 mi17688+13710868+8110868+8114466(Top 57%)8753(Top 60%)8753(Top 572%)
40K24.85 mi0.85 mi17591+9710794+7410794+7415486(Top 61%)9199(Top 63%)9199(Top 602%)
25.2M25.20 mi0.35 mi17461+13010717+7710717+7710355(Top 41%)6558(Top 45%)6558(Top 429%)
Finish26.22 mi1.02 mi17403+5810666+5110666+5117276(Top 68%)10092(Top 69%)10092(Top 660%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

18675

Males

11570

M55-59

11570

5K→10K

3.1 - 6.2 mi

Top 74%
×5stories
+79ft-138ft

Overall

18991

Males

11660

M55-59

11660

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

18675

Males

11570

M55-59

11570

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19047

Males

11715

M55-59

11715

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

20416

Males

12261

M55-59

12261

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

18859

Males

11512

M55-59

11512

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16130

Males

10063

M55-59

10063

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

16745

Males

10131

M55-59

10131

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

14507

Males

8905

M55-59

8905

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15373

Males

9323

M55-59

9323

35K→23M

21.8 - 23.0 mi

Top 64%
×5stories
+23ft-63ft

Overall

16359

Males

9755

M55-59

9755

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

14466

Males

8753

M55-59

8753

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

15486

Males

9199

M55-59

9199

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10355

Males

6558

M55-59

6558

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

17276

Males

10092

M55-59

10092

Passing Analysis

Category:
Athletes Passed
2735
Passed By
1217
Net Change
+1518
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18921
5K → 10K252304-52#18921#18973
10K → 15K263147+116#18973#18857
15K → 20K244292-48#18857#18905
20K → Half17114-97#18905#19002
Half → 25K1871870#19002#19002
25K → 30K57722+555#19002#18447
30K → 20M17840+138#18447#18309
20M → 21M23814+224#18309#18085
21M → 35K13810+128#18085#17957
35K → 23M16634+132#17957#17825
23M → 24M14710+137#17825#17688
24M → 40K10710+97#17688#17591
40K → 25.2M1311+130#17591#17461
25.2M → Finish9032+58#17461#17403
TOTALS27351217+1518
📊

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