Boston Marathon logo
BOSTON MARATHON 2024

Jun Liang Lu

Bib: 21259•M

ON

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M60-64)
#0 / 1173
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
9:45/mi
30:17
↑ 97↓ 3451.5%
10K· 6.21 mi
10:48/mi
1:03:49
↑ 79↓ 1380.4%
15K· 9.32 mi
9:56/mi
1:34:42
↑ 67↓ 78
20K· 12.43 mi
10:08/mi
2:06:10
↑ 106↓ 860.1%
Half· 13.11 mi
9:35/mi
2:12:42
↑ 19↓ 370.5%
25K· 15.53 mi
11:08/mi
2:39:41
↑ 66↓ 880.2%
30K· 18.64 mi
11:12/mi
3:14:29
↑ 181↓ 1480.2%
20M
10:30/mi
3:28:45
↑ 64↓ 500.2%
21M
12:07/mi
3:40:52
↑ 106↓ 241.6%
35K· 21.75 mi
9:28/mi
3:47:57
↑ 17↓ 861.7%
23M
10:56/mi
4:01:38
↑ 23↓ 630.6%
24M
9:35/mi
4:11:13
↓ 821.3%
40K· 24.85 mi
12:41/mi
4:22:04
↓ 200.3%
25.2M
13:44/mi
4:26:48
↑ 13↓ 160.2%
Finish· 26.22 mi
10:32/mi
4:37:32
↑ 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
Time2:12:42
Pace10:07 /mi
2nd Half
Distance13.11 mi
Time2:24:50
Pace11:03 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0130:179:4530:17
9:45
-
10K
6.21 mi11:59:331:03:4910:1633:32
10:48
+1:03
15K
9.32 mi12:30:261:34:4210:1030:53
9:56
-0:52
20K
12.43 mi13:01:542:06:1010:0931:28
10:08
+0:12
Half
13.11 mi13:08:262:12:4210:076:32
9:35
-0:33
25K
15.53 mi13:35:252:39:4110:1726:59
11:08
+1:33
30K
18.64 mi14:10:133:14:2910:2634:48
11:12
+0:04
20M
20.00 mi14:24:293:28:4510:2614:16
10:30
-0:42
21M
21.00 mi14:36:363:40:5210:3112:07
12:07
+1:37
35K
21.75 mi14:43:413:47:5710:297:05
9:28
-2:39
23M
23.00 mi14:57:224:01:3810:3013:41
10:56
+1:28
24M
24.00 mi15:06:574:11:1310:289:35
9:35
-1:21
40K
24.85 mi15:17:484:22:0410:3310:51
12:41
+3:06
25.2M
25.20 mi15:22:324:26:4810:354:44
13:44
+1:03
Finish
26.22 mi15:33:164:37:3210:3610:44
10:32
-3:12

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

9:28 /mi

Average Pace

10:36 /mi

Slowest Pace

13:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:22

30% of race

Time at Steady Pace

1:43:41

37% of race

Time at Slower Pace

1:29:29

32% of race

Average Pace: 10:35 /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 mi11:26:0130:179:4530:17
9:45
#22400
10K
6.21 mi11:59:331:03:4910:1633:32
10:48
#23336
15K
9.32 mi12:30:261:34:4210:1030:53
9:56
#22840
20K
12.43 mi13:01:542:06:1010:0931:28
10:08
#22328
Half
13.11 mi13:08:262:12:4210:076:32
9:35
#22242
25K
15.53 mi13:35:252:39:4110:1726:59
11:08
#22165
30K
18.64 mi14:10:133:14:2910:2634:48
11:12
#21814
20M
20.00 mi14:24:293:28:4510:2614:16
10:30
#21543
21M
21.00 mi14:36:363:40:5210:3112:07
12:07
#21412
35K
21.75 mi14:43:413:47:5710:297:05
9:28
#21209
23M
23.00 mi14:57:224:01:3810:3013:41
10:56
#21047
24M
24.00 mi15:06:574:11:1310:289:35
9:35
#20828
40K
24.85 mi15:17:484:22:0410:3310:51
12:41
#20865
25.2M
25.20 mi15:22:324:26:4810:354:44
13:44
#20863
Finish
26.22 mi15:33:164:37:3210:3610:44
10:32
#20816
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi22400132441324421782(Top 85%)12986(Top 89%)12986(Top 1107%)
10K6.21 mi3.10 mi23336-93613703-45913703-45924002(Top 94%)13986(Top 96%)13986(Top 1192%)
15K9.32 mi3.11 mi22840+49613470+23313470+23321782(Top 85%)12986(Top 89%)12986(Top 1107%)
20K12.43 mi3.11 mi22328+51213203+26713203+26720853(Top 82%)12542(Top 86%)12542(Top 1069%)
Half13.11 mi0.68 mi22242+8613165+3813165+3820280(Top 79%)12201(Top 84%)12201(Top 1040%)
25K15.53 mi2.42 mi22165+7713112+5313112+5321725(Top 85%)12836(Top 88%)12836(Top 1094%)
30K18.64 mi3.11 mi21814+35112893+21912893+21920431(Top 80%)12059(Top 83%)12059(Top 1028%)
20M20.00 mi1.36 mi21543+27112735+15812735+15817989(Top 70%)10752(Top 74%)10752(Top 917%)
21M21.00 mi1.00 mi21412+13112663+7212663+7219081(Top 75%)11197(Top 77%)11197(Top 955%)
35K21.75 mi0.75 mi21209+20312548+11512548+11515379(Top 60%)9329(Top 64%)9329(Top 795%)
23M23.00 mi1.25 mi21047+16212452+9612452+9618227(Top 71%)10678(Top 73%)10678(Top 910%)
24M24.00 mi1.00 mi20828+21912322+13012322+13014806(Top 58%)8931(Top 61%)8931(Top 761%)
40K24.85 mi0.85 mi20865-3712325-312325-321749(Top 85%)12361(Top 85%)12361(Top 1054%)
25.2M25.20 mi0.35 mi20863+212322+312322+321115(Top 83%)12027(Top 83%)12027(Top 1025%)
Finish26.22 mi1.02 mi20816+4712283+3912283+3920113(Top 79%)11535(Top 79%)11535(Top 983%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

21782

Males

12986

M60-64

12986

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

24002

Males

13986

M60-64

13986

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

21782

Males

12986

M60-64

12986

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

20853

Males

12542

M60-64

12542

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

20280

Males

12201

M60-64

12201

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

21725

Males

12836

M60-64

12836

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

20431

Males

12059

M60-64

12059

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

17989

Males

10752

M60-64

10752

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

19081

Males

11197

M60-64

11197

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

15379

Males

9329

M60-64

9329

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18227

Males

10678

M60-64

10678

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

14806

Males

8931

M60-64

8931

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

21749

Males

12361

M60-64

12361

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

21115

Males

12027

M60-64

12027

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20113

Males

11535

M60-64

11535

Passing Analysis

Category:
Athletes Passed
2826
Passed By
1242
Net Change
+1584
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22400
5K → 10K18954-936#22400#23336
10K → 15K5004+496#23336#22840
15K → 20K52210+512#22840#22328
20K → Half882+86#22328#22242
Half → 25K17194+77#22242#22165
25K → 30K38332+351#22165#21814
30K → 20M2732+271#21814#21543
20M → 21M14716+131#21543#21412
21M → 35K2030+203#21412#21209
35K → 23M17210+162#21209#21047
23M → 24M2190+219#21047#20828
24M → 40K3572-37#20828#20865
40K → 25.2M2220+2#20865#20863
25.2M → Finish7326+47#20863#20816
TOTALS28261242+1584
📊

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing