Boston Marathon logo
BOSTON MARATHON 2024

Wen-Chung Chen

Bib: 9603 M TW

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M45-49)
#0 / 2218
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:16/mi
22:36
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:22/mi
45:30
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:34/mi
1:12:08
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:48/mi
1:45:42
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
11:52/mi
1:53:48
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:24/mi
2:19:00
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:13/mi
2:47:39
↑ 181↓ 1480.2%
138 ft elev
20M
10:35/mi
3:02:02
↑ 64↓ 500.2%
148 ft elev
21M
11:36/mi
3:13:38
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
13:21/mi
3:23:37
↑ 17↓ 861.7%
156 ft elev
23M
11:01/mi
3:37:25
↑ 23↓ 630.6%
116 ft elev
24M
9:53/mi
3:47:18
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:20/mi
3:56:59
↓ 200.3%
20 ft elev
25.2M
11:33/mi
4:00:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:45/mi
4:11:55
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:48
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:18:07
Pace10:32 /mi
📊Positive Split: 21.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:3722:367:1622:36
7:16
-
10K
6.21 mi11:14:3145:307:1922:54
7:22
+0:06
15K
9.32 mi11:41:091:12:087:4426:38
8:34
+1:12
20K
12.43 mi12:14:431:45:428:3033:34
10:48
+2:14
Half
13.11 mi12:22:491:53:488:418:06
11:52
+1:04
25K
15.53 mi12:48:012:19:008:5725:12
10:24
-1:28
30K
18.64 mi13:16:402:47:399:0028:39
9:13
-1:11
20M
20.00 mi13:31:033:02:029:0614:23
10:35
+1:22
21M
21.00 mi13:42:393:13:389:1311:36
11:36
+1:01
35K
21.75 mi13:52:383:23:379:229:59
13:21
+1:45
23M
23.00 mi14:06:263:37:259:2713:48
11:01
-2:20
24M
24.00 mi14:16:193:47:189:289:53
9:53
-1:08
40K
24.85 mi14:26:003:56:599:329:41
11:20
+1:27
25.2M
25.20 mi14:29:594:00:589:343:59
11:33
+0:13
Finish
26.22 mi14:40:564:11:559:3710:57
10:45
-0:48

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

7:16 /mi

Average Pace

9:37 /mi

Slowest Pace

13:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:40

44% of race

Time at Steady Pace

1:51:34

44% of race

Time at Slower Pace

29:41

12% of race

Average Pace: 9:36 /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 mi10:51:3722:367:1622:36
7:16
#8980
10K
6.21 mi11:14:3145:307:1922:54
7:22
#9073
15K
9.32 mi11:41:091:12:087:4426:38
8:34
#12047
20K
12.43 mi12:14:431:45:428:3033:34
10:48
#16449
Half
13.11 mi12:22:491:53:488:418:06
11:52
#17337
25K
15.53 mi12:48:012:19:008:5725:12
10:24
#18062
30K
18.64 mi13:16:402:47:399:0028:39
9:13
#17336
20M
20.00 mi13:31:033:02:029:0614:23
10:35
#17459
21M
21.00 mi13:42:393:13:389:1311:36
11:36
#17533
35K
21.75 mi13:52:383:23:379:229:59
13:21
#17971
23M
23.00 mi14:06:263:37:259:2713:48
11:01
#17978
24M
24.00 mi14:16:193:47:189:289:53
9:53
#17885
40K
24.85 mi14:26:003:56:599:329:41
11:20
#17911
25.2M
25.20 mi14:29:594:00:589:343:59
11:33
#17871
Finish
26.22 mi14:40:564:11:559:3710:57
10:45
#17956
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi89807397739716791(Top 66%)10734(Top 74%)10734(Top 484%)
10K6.21 mi3.10 mi9073-937410-137410-139209(Top 36%)7456(Top 51%)7456(Top 336%)
15K9.32 mi3.11 mi12047-29748790-13808790-138016791(Top 66%)10734(Top 74%)10734(Top 484%)
20K12.43 mi3.11 mi16449-440210585-179510585-179522282(Top 87%)13172(Top 90%)13172(Top 594%)
Half13.11 mi0.68 mi17337-88810919-33410919-33424475(Top 96%)14113(Top 97%)14113(Top 636%)
25K15.53 mi2.42 mi18062-72511219-30011219-30020141(Top 79%)12094(Top 83%)12094(Top 545%)
30K18.64 mi3.11 mi17336+72610850+36910850+36914273(Top 56%)9229(Top 63%)9229(Top 416%)
20M20.00 mi1.36 mi17459-12310874-2410874-2418215(Top 71%)10859(Top 74%)10859(Top 490%)
21M21.00 mi1.00 mi17533-7410876-210876-217885(Top 70%)10576(Top 73%)10576(Top 477%)
35K21.75 mi0.75 mi17971-43811041-16511041-16523643(Top 93%)13465(Top 92%)13465(Top 607%)
23M23.00 mi1.25 mi17978-711016+2511016+2518488(Top 72%)10801(Top 74%)10801(Top 487%)
24M24.00 mi1.00 mi17885+9310949+6710949+6715911(Top 62%)9477(Top 65%)9477(Top 427%)
40K24.85 mi0.85 mi17911-2610930+1910930+1918900(Top 74%)10898(Top 75%)10898(Top 491%)
25.2M25.20 mi0.35 mi17871+4010907+2310907+2316173(Top 63%)9527(Top 65%)9527(Top 430%)
Finish26.22 mi1.02 mi17956-8510922-1510922-1520666(Top 81%)11812(Top 81%)11812(Top 533%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

16791

Males

10734

M45-49

10734

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9209

Males

7456

M45-49

7456

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

16791

Males

10734

M45-49

10734

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

22282

Males

13172

M45-49

13172

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

24475

Males

14113

M45-49

14113

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

20141

Males

12094

M45-49

12094

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

14273

Males

9229

M45-49

9229

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

18215

Males

10859

M45-49

10859

20M→21M

20.0 - 21.0 mi

Top 70%
×8story building
+106ft-24ft

Overall

17885

Males

10576

M45-49

10576

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

23643

Males

13465

M45-49

13465

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

18488

Males

10801

M45-49

10801

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

15911

Males

9477

M45-49

9477

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

18900

Males

10898

M45-49

10898

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16173

Males

9527

M45-49

9527

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

20666

Males

11812

M45-49

11812

Passing Analysis

Category:
Athletes Passed
1558
Passed By
10532
Net Change
-8976
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8980
5K → 10K201294-93#8980#9073
10K → 15K72979-2974#9073#12047
15K → 20K54407-4402#12047#16449
20K → Half1889-888#16449#17337
Half → 25K58783-725#17337#18062
25K → 30K74418+726#18062#17336
30K → 20M69192-123#17336#17459
20M → 21M80154-74#17459#17533
21M → 35K14452-438#17533#17971
35K → 23M102109-7#17971#17978
23M → 24M11623+93#17978#17885
24M → 40K6389-26#17885#17911
40K → 25.2M488+40#17911#17871
25.2M → Finish50135-85#17871#17956
TOTALS155810532-8976
📊

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