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BOSTON MARATHON 2025

Yen Pin-Shuan

Bib: 5297•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken 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
6:38/mi
20:38
↑ 97↓ 3451.5%
10K· 6.21 mi
6:39/mi
41:17
↑ 79↓ 1380.4%
15K· 9.32 mi
6:38/mi
1:01:52
↑ 67↓ 78
20K· 12.43 mi
6:48/mi
1:23:01
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:27:39
↑ 19↓ 370.5%
25K· 15.53 mi
6:52/mi
1:44:18
↑ 66↓ 880.2%
30K· 18.64 mi
7:02/mi
2:06:08
↑ 181↓ 1480.2%
20M
7:04/mi
2:15:44
↑ 64↓ 500.2%
21M
7:37/mi
2:23:21
↑ 106↓ 241.6%
35K· 21.75 mi
7:10/mi
2:28:43
↑ 17↓ 861.7%
23M
7:03/mi
2:37:33
↑ 23↓ 630.6%
24M
6:56/mi
2:44:29
↓ 821.3%
40K· 24.85 mi
7:03/mi
2:50:31
↓ 200.3%
25.2M
7:53/mi
2:53:14
↑ 13↓ 160.2%
Finish· 26.22 mi
6:56/mi
3:00:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:39
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:32:39
Pace7:04 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0120:386:3820:38
6:38
-
10K
6.21 mi10:46:4041:176:3920:39
6:39
+0:01
15K
9.32 mi11:07:151:01:526:3820:35
6:38
-0:01
20K
12.43 mi11:28:241:23:016:4121:09
6:48
+0:10
Half
13.11 mi11:33:021:27:396:414:38
6:47
-0:01
25K
15.53 mi11:49:411:44:186:4316:39
6:52
+0:05
30K
18.64 mi12:11:312:06:086:4621:50
7:02
+0:10
20M
20.00 mi12:21:072:15:446:479:36
7:04
+0:02
21M
21.00 mi12:28:442:23:216:507:37
7:37
+0:33
35K
21.75 mi12:34:062:28:436:505:22
7:10
-0:27
23M
23.00 mi12:42:562:37:336:518:50
7:03
-0:07
24M
24.00 mi12:49:522:44:296:516:56
6:56
-0:07
40K
24.85 mi12:55:542:50:316:526:02
7:03
+0:07
25.2M
25.20 mi12:58:372:53:146:522:43
7:53
+0:50
Finish
26.22 mi13:05:413:00:186:537:04
6:56
-0:57

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

6:38 /mi

Average Pace

6:53 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:49:58

94% of race

Time at Steady Pace

7:37

4% of race

Time at Slower Pace

2:43

2% of race

Average Pace: 6:53 /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 mi10:26:0120:386:3820:38
6:38
#4938
10K
6.21 mi10:46:4041:176:3920:39
6:39
#4854
15K
9.32 mi11:07:151:01:526:3820:35
6:38
#4686
20K
12.43 mi11:28:241:23:016:4121:09
6:48
#4820
Half
13.11 mi11:33:021:27:396:414:38
6:47
#4883
25K
15.53 mi11:49:411:44:186:4316:39
6:52
#4927
30K
18.64 mi12:11:312:06:086:4621:50
7:02
#4884
20M
20.00 mi12:21:072:15:446:479:36
7:04
#4825
21M
21.00 mi12:28:442:23:216:507:37
7:37
#4822
35K
21.75 mi12:34:062:28:436:505:22
7:10
#4873
23M
23.00 mi12:42:562:37:336:518:50
7:03
#4776
24M
24.00 mi12:49:522:44:296:516:56
6:56
#4747
40K
24.85 mi12:55:542:50:316:526:02
7:03
#4712
25.2M
25.20 mi12:58:372:53:146:522:43
7:53
#4719
Finish
26.22 mi13:05:413:00:186:537:04
6:56
#4745
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4938462246224441(Top 16%)4162(Top 26%)4162(Top 74%)
10K6.21 mi3.10 mi4854+844535+874535+874832(Top 17%)4515(Top 28%)4515(Top 80%)
15K9.32 mi3.11 mi4686+1684385+1504385+1504441(Top 16%)4162(Top 26%)4162(Top 74%)
20K12.43 mi3.11 mi4820-1344494-1094494-1095347(Top 19%)4903(Top 30%)4903(Top 87%)
Half13.11 mi0.68 mi4883-634550-564550-565983(Top 21%)5404(Top 34%)5404(Top 96%)
25K15.53 mi2.42 mi4927-444579-294579-295391(Top 19%)4907(Top 30%)4907(Top 87%)
30K18.64 mi3.11 mi4884+434516+634516+634852(Top 17%)4415(Top 27%)4415(Top 78%)
20M20.00 mi1.36 mi4825+594467+494467+494465(Top 16%)4063(Top 25%)4063(Top 72%)
21M21.00 mi1.00 mi4822+34454+134454+135184(Top 18%)4505(Top 28%)4505(Top 80%)
35K21.75 mi0.75 mi4873-514489-354489-356376(Top 22%)5290(Top 33%)5290(Top 94%)
23M23.00 mi1.25 mi4776+974393+964393+964064(Top 14%)3623(Top 22%)3623(Top 64%)
24M24.00 mi1.00 mi4747+294362+314362+314246(Top 15%)3727(Top 23%)3727(Top 66%)
40K24.85 mi0.85 mi4712+354324+384324+384201(Top 15%)3638(Top 23%)3638(Top 64%)
25.2M25.20 mi0.35 mi4719-74325-14325-15217(Top 18%)4238(Top 26%)4238(Top 75%)
Finish26.22 mi1.02 mi4745-264341-164341-165286(Top 19%)4297(Top 27%)4297(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21story building
+97ft-345ft

Overall

4441

Males

4162

M18-39

4162

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4832

Males

4515

M18-39

4515

10K→15K

6.2 - 9.3 mi

Top 16%
×3story building
+67ft-78ft

Overall

4441

Males

4162

M18-39

4162

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5347

Males

4903

M18-39

4903

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5983

Males

5404

M18-39

5404

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

5391

Males

4907

M18-39

4907

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4852

Males

4415

M18-39

4415

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4465

Males

4063

M18-39

4063

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

5184

Males

4505

M18-39

4505

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6376

Males

5290

M18-39

5290

35K→23M

21.8 - 23.0 mi

Top 14%
×5story building
+23ft-63ft

Overall

4064

Males

3623

M18-39

3623

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4246

Males

3727

M18-39

3727

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4201

Males

3638

M18-39

3638

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5217

Males

4238

M18-39

4238

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5286

Males

4297

M18-39

4297

Passing Analysis

Category:
Athletes Passed
1324
Passed By
1131
Net Change
+193
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4938
5K → 10K215131+84#4938#4854
10K → 15K21143+168#4854#4686
15K → 20K78212-134#4686#4820
20K → Half871-63#4820#4883
Half → 25K92136-44#4883#4927
25K → 30K181138+43#4927#4884
30K → 20M10243+59#4884#4825
20M → 21M6865+3#4825#4822
21M → 35K4394-51#4822#4873
35K → 23M12528+97#4873#4776
23M → 24M7243+29#4776#4747
24M → 40K7641+35#4747#4712
40K → 25.2M2633-7#4712#4719
25.2M → Finish2753-26#4719#4745
TOTALS13241131+193
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing