Boston Marathon logo
BOSTON MARATHON 2024

Jun Zhao

Bib: 14139•M

NJ

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
Top 50%
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
7:20/mi
22:48
↑ 97↓ 3451.5%
10K· 6.21 mi
7:26/mi
45:54
↑ 79↓ 1380.4%
15K· 9.32 mi
7:26/mi
1:08:59
↑ 67↓ 78
20K· 12.43 mi
7:31/mi
1:32:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:23/mi
1:37:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:55:49
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:20:41
↑ 181↓ 1480.2%
20M
8:14/mi
2:31:52
↑ 64↓ 500.2%
21M
9:48/mi
2:41:40
↑ 106↓ 241.6%
35K· 21.75 mi
9:40/mi
2:48:54
↑ 17↓ 861.7%
23M
12:34/mi
3:04:38
↑ 23↓ 630.6%
24M
15:11/mi
3:19:49
↓ 821.3%
40K· 24.85 mi
13:40/mi
3:31:30
↓ 200.3%
25.2M
14:53/mi
3:36:38
↑ 13↓ 160.2%
Finish· 26.22 mi
11:21/mi
3:48:12
↑ 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
Time1:37:22
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time2:10:50
Pace9:59 /mi
📊Positive Split: 34.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0922:487:2022:48
7:20
-
10K
6.21 mi11:18:1545:547:2323:06
7:26
+0:06
15K
9.32 mi11:41:201:08:597:2423:05
7:26
0:00
20K
12.43 mi12:04:411:32:207:2623:21
7:31
+0:05
Half
13.11 mi12:09:431:37:227:265:02
7:23
-0:08
25K
15.53 mi12:28:101:55:497:2718:27
7:37
+0:14
30K
18.64 mi12:53:022:20:417:3324:52
8:00
+0:23
20M
20.00 mi13:04:132:31:527:3611:11
8:14
+0:14
21M
21.00 mi13:14:012:41:407:429:48
9:48
+1:34
35K
21.75 mi13:21:152:48:547:467:14
9:40
-0:08
23M
23.00 mi13:36:593:04:388:0215:44
12:34
+2:54
24M
24.00 mi13:52:103:19:498:2015:11
15:11
+2:37
40K
24.85 mi14:03:513:31:308:3111:41
13:40
-1:31
25.2M
25.20 mi14:08:593:36:388:365:08
14:53
+1:13
Finish
26.22 mi14:20:333:48:128:4311:34
11:21
-3:32

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

7:20 /mi

Average Pace

8:43 /mi

Slowest Pace

15:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:31:52

67% of race

Time at Slower Pace

1:16:20

33% of race

Average Pace: 8:42 /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 mi10:55:0922:487:2022:48
7:20
#9476
10K
6.21 mi11:18:1545:547:2323:06
7:26
#9532
15K
9.32 mi11:41:201:08:597:2423:05
7:26
#9355
20K
12.43 mi12:04:411:32:207:2623:21
7:31
#9085
Half
13.11 mi12:09:431:37:227:265:02
7:23
#9029
25K
15.53 mi12:28:101:55:497:2718:27
7:37
#8762
30K
18.64 mi12:53:022:20:417:3324:52
8:00
#8471
20M
20.00 mi13:04:132:31:527:3611:11
8:14
#8363
21M
21.00 mi13:14:012:41:407:429:48
9:48
#8562
35K
21.75 mi13:21:152:48:547:467:14
9:40
#8858
23M
23.00 mi13:36:593:04:388:0215:44
12:34
#10284
24M
24.00 mi13:52:103:19:498:2015:11
15:11
#12055
40K
24.85 mi14:03:513:31:308:3111:41
13:40
#12962
25.2M
25.20 mi14:08:593:36:388:365:08
14:53
#13306
Finish
26.22 mi14:20:333:48:128:4311:34
11:21
#13885
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi9476768176819115(Top 36%)7354(Top 50%)7354(Top 481%)
10K6.21 mi3.10 mi9532-56768176819695(Top 38%)7714(Top 53%)7714(Top 505%)
15K9.32 mi3.11 mi9355+1777554+1277554+1279115(Top 36%)7354(Top 50%)7354(Top 481%)
20K12.43 mi3.11 mi9085+2707362+1927362+1928484(Top 33%)6884(Top 47%)6884(Top 450%)
Half13.11 mi0.68 mi9029+567321+417321+418231(Top 32%)6779(Top 47%)6779(Top 443%)
25K15.53 mi2.42 mi8762+2677141+1807141+1807693(Top 30%)6246(Top 43%)6246(Top 409%)
30K18.64 mi3.11 mi8471+2916865+2766865+2767894(Top 31%)6151(Top 42%)6151(Top 402%)
20M20.00 mi1.36 mi8363+1086751+1146751+1147996(Top 31%)6006(Top 41%)6006(Top 393%)
21M21.00 mi1.00 mi8562-1996809-586809-5812134(Top 47%)7781(Top 53%)7781(Top 509%)
35K21.75 mi0.75 mi8858-2966932-1236932-12316064(Top 63%)9644(Top 66%)9644(Top 631%)
23M23.00 mi1.25 mi10284-14267591-6597591-65921805(Top 85%)12489(Top 86%)12489(Top 817%)
24M24.00 mi1.00 mi12055-17718378-7878378-78724875(Top 97%)14112(Top 97%)14112(Top 923%)
40K24.85 mi0.85 mi12962-9078731-3538731-35323215(Top 91%)13132(Top 90%)13132(Top 859%)
25.2M25.20 mi0.35 mi13306-3448879-1488879-14822866(Top 89%)12944(Top 89%)12944(Top 847%)
Finish26.22 mi1.02 mi13885-5799097-2189097-21822112(Top 87%)12562(Top 86%)12562(Top 822%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9115

Males

7354

M55-59

7354

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

9695

Males

7714

M55-59

7714

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9115

Males

7354

M55-59

7354

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8484

Males

6884

M55-59

6884

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8231

Males

6779

M55-59

6779

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

7693

Males

6246

M55-59

6246

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

7894

Males

6151

M55-59

6151

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

7996

Males

6006

M55-59

6006

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

12134

Males

7781

M55-59

7781

21M→35K

21.0 - 21.8 mi

Top 63%
×7story building
+17ft-86ft

Overall

16064

Males

9644

M55-59

9644

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

21805

Males

12489

M55-59

12489

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

24875

Males

14112

M55-59

14112

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

23215

Males

13132

M55-59

13132

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

22866

Males

12944

M55-59

12944

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

22112

Males

12562

M55-59

12562

Passing Analysis

Category:
Athletes Passed
1973
Passed By
6380
Net Change
-4409
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9476
5K → 10K221277-56#9476#9532
10K → 15K279102+177#9532#9355
15K → 20K34373+270#9355#9085
20K → Half6913+56#9085#9029
Half → 25K32154+267#9029#8762
25K → 30K420129+291#8762#8471
30K → 20M17163+108#8471#8363
20M → 21M69268-199#8363#8562
21M → 35K22318-296#8562#8858
35K → 23M161440-1426#8858#10284
23M → 24M71778-1771#10284#12055
24M → 40K10917-907#12055#12962
40K → 25.2M5349-344#12962#13306
25.2M → Finish20599-579#13306#13885
TOTALS19736380-4409
📊

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