Boston Marathon logo
BOSTON MARATHON 2024

Lin Sun

Bib: 30583•M

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
32:37
Rank: #24089
Start → 5K
32:37 | 10:30/mi
10K· 6.21 mi
1:06:59
Rank: #24277 (-188)
5K → 10K
34:22 | 11:04/mi
15K· 9.32 mi
1:44:03
Rank: #24480 (-203)
10K → 15K
37:04 | 11:56/mi
20K· 12.43 mi
2:24:49
Rank: #24680 (-200)
15K → 20K
40:46 | 13:07/mi
Half· 13.11 mi
2:33:22
Rank: #24695 (-15)
20K → Half
8:33 | 12:32/mi
25K· 15.53 mi
3:06:26
Rank: #24733 (-38)
Half → 25K
33:04 | 13:38/mi
30K· 18.64 mi
3:53:05
Rank: #24825 (-92)
25K → 30K
46:39 | 15:01/mi
20M
4:10:38
Rank: #24704 (+121)
30K → 20M
17:33 | 12:55/mi
21M
4:22:50
Rank: #24520 (+184)
20M → 21M
12:12 | 12:12/mi
35K· 21.75 mi
4:31:04
Rank: #24430 (+90)
21M → 35K
8:14 | 11:00/mi
23M
4:45:36
Rank: #24275 (+155)
35K → 23M
14:32 | 11:36/mi
24M
4:56:17
Rank: #24127 (+148)
23M → 24M
10:41 | 10:41/mi
40K· 24.85 mi
5:05:38
Rank: #23984 (+143)
24M → 40K
9:21 | 10:56/mi
25.2M
5:09:17
Rank: #23923 (+61)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
5:20:04
Rank: #23849 (+74)
25.2M → Finish
10:47 | 10:35/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
Time2:33:22
Pace11:42 /mi
2nd Half
Distance13.11 mi
Time2:46:42
Pace12:43 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:0832:3710:3032:37
10:30
-
10K
6.21 mi12:30:301:06:5910:4734:22
11:04
+0:34
15K
9.32 mi13:07:341:44:0311:1037:04
11:56
+0:52
20K
12.43 mi13:48:202:24:4911:3940:46
13:07
+1:11
Half
13.11 mi13:56:532:33:2211:428:33
12:32
-0:35
25K
15.53 mi14:29:573:06:2612:0033:04
13:38
+1:06
30K
18.64 mi15:16:363:53:0512:3046:39
15:01
+1:23
20M
20.00 mi15:34:094:10:3812:3217:33
12:55
-2:06
21M
21.00 mi15:46:214:22:5012:3112:12
12:12
-0:43
35K
21.75 mi15:54:354:31:0412:288:14
11:00
-1:12
23M
23.00 mi16:09:074:45:3612:2514:32
11:36
+0:36
24M
24.00 mi16:19:484:56:1712:2110:41
10:41
-0:55
40K
24.85 mi16:29:095:05:3812:189:21
10:56
+0:15
25.2M
25.20 mi16:32:485:09:1712:163:39
10:35
-0:21
Finish
26.22 mi16:43:355:20:0412:1310:47
10:35
0:00

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

10:30 /mi

Average Pace

12:13 /mi

Slowest Pace

15:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:05

21% of race

Time at Steady Pace

1:46:24

33% of race

Time at Slower Pace

2:26:35

46% of race

Average Pace: 12:12 /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 mi11:56:0832:3710:3032:37
10:30
#24089
10K
6.21 mi12:30:301:06:5910:4734:22
11:04
#24277
15K
9.32 mi13:07:341:44:0311:1037:04
11:56
#24480
20K
12.43 mi13:48:202:24:4911:3940:46
13:07
#24680
Half
13.11 mi13:56:532:33:2211:428:33
12:32
#24695
25K
15.53 mi14:29:573:06:2612:0033:04
13:38
#24733
30K
18.64 mi15:16:363:53:0512:3046:39
15:01
#24825
20M
20.00 mi15:34:094:10:3812:3217:33
12:55
#24704
21M
21.00 mi15:46:214:22:5012:3112:12
12:12
#24520
35K
21.75 mi15:54:354:31:0412:288:14
11:00
#24430
23M
23.00 mi16:09:074:45:3612:2514:32
11:36
#24275
24M
24.00 mi16:19:484:56:1712:2110:41
10:41
#24127
40K
24.85 mi16:29:095:05:3812:189:21
10:56
#23984
25.2M
25.20 mi16:32:485:09:1712:163:39
10:35
#23923
Finish
26.22 mi16:43:355:20:0412:1310:47
10:35
#23849
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi24089140361403624658(Top 97%)14247(Top 98%)14247(Top 932%)
10K6.21 mi3.10 mi24277-18814117-8114117-8124345(Top 95%)14126(Top 97%)14126(Top 924%)
15K9.32 mi3.11 mi24480-20314196-7914196-7924658(Top 97%)14247(Top 98%)14247(Top 932%)
20K12.43 mi3.11 mi24680-20014266-7014266-7024962(Top 98%)14340(Top 98%)14340(Top 938%)
Half13.11 mi0.68 mi24695-1514271-514271-524926(Top 98%)14295(Top 98%)14295(Top 935%)
25K15.53 mi2.42 mi24733-3814268+314268+324704(Top 97%)14180(Top 97%)14180(Top 927%)
30K18.64 mi3.11 mi24825-9214285-1714285-1724946(Top 98%)14238(Top 98%)14238(Top 931%)
20M20.00 mi1.36 mi24704+12114235+5014235+5022756(Top 89%)13074(Top 90%)13074(Top 855%)
21M21.00 mi1.00 mi24520+18414145+9014145+9019243(Top 75%)11272(Top 77%)11272(Top 737%)
35K21.75 mi0.75 mi24430+9014106+3914106+3919823(Top 78%)11541(Top 79%)11541(Top 755%)
23M23.00 mi1.25 mi24275+15514025+8114025+8119886(Top 78%)11511(Top 79%)11511(Top 753%)
24M24.00 mi1.00 mi24127+14813932+9313932+9318380(Top 72%)10700(Top 73%)10700(Top 700%)
40K24.85 mi0.85 mi23984+14313859+7313859+7317912(Top 70%)10416(Top 71%)10416(Top 681%)
25.2M25.20 mi0.35 mi23923+6113826+3313826+3313023(Top 51%)7874(Top 54%)7874(Top 515%)
Finish26.22 mi1.02 mi23849+7413783+4313783+4320274(Top 79%)11608(Top 80%)11608(Top 759%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

24658

Males

14247

M55-59

14247

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

24345

Males

14126

M55-59

14126

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

24658

Males

14247

M55-59

14247

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

24962

Males

14340

M55-59

14340

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

24926

Males

14295

M55-59

14295

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

24704

Males

14180

M55-59

14180

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

24946

Males

14238

M55-59

14238

30K→20M

18.6 - 20.0 mi

Top 89%
×5stories
+64ft-50ft

Overall

22756

Males

13074

M55-59

13074

20M→21M

20.0 - 21.0 mi

Top 75%
×8stories
+106ft-24ft

Overall

19243

Males

11272

M55-59

11272

21M→35K

21.0 - 21.8 mi

Top 78%
×7stories
+17ft-86ft

Overall

19823

Males

11541

M55-59

11541

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

19886

Males

11511

M55-59

11511

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

18380

Males

10700

M55-59

10700

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

17912

Males

10416

M55-59

10416

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13023

Males

7874

M55-59

7874

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

20274

Males

11608

M55-59

11608

Passing Analysis

Category:
Athletes Passed
1253
Passed By
1013
Net Change
+240
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24089
5K → 10K103291-188#24089#24277
10K → 15K51254-203#24277#24480
15K → 20K25225-200#24480#24680
20K → Half924-15#24680#24695
Half → 25K3876-38#24695#24733
25K → 30K45137-92#24733#24825
30K → 20M1221+121#24825#24704
20M → 21M1840+184#24704#24520
21M → 35K900+90#24520#24430
35K → 23M1572+155#24430#24275
23M → 24M1480+148#24275#24127
24M → 40K1441+143#24127#23984
40K → 25.2M610+61#23984#23923
25.2M → Finish762+74#23923#23849
TOTALS12531013+240
📊

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