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BOSTON MARATHON 2025

Cheng Hsien Hsieh

Bib: 21127•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 49%
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
8:05/mi
25:08
↑ 97↓ 3451.5%
10K· 6.21 mi
8:19/mi
50:59
↑ 79↓ 1380.4%
15K· 9.32 mi
8:30/mi
1:17:23
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:44:17
↑ 106↓ 860.1%
Half· 13.11 mi
8:34/mi
1:50:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:58/mi
2:11:52
↑ 66↓ 880.2%
30K· 18.64 mi
9:37/mi
2:41:46
↑ 181↓ 1480.2%
20M
9:20/mi
2:54:27
↑ 64↓ 500.2%
21M
10:05/mi
3:04:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
3:10:54
↑ 17↓ 861.7%
23M
9:01/mi
3:22:11
↑ 23↓ 630.6%
24M
8:44/mi
3:30:55
↓ 821.3%
40K· 24.85 mi
8:56/mi
3:38:33
↓ 200.3%
25.2M
9:57/mi
3:41:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:29/mi
3:50:38
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:08
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time2:00:30
Pace9:12 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3525:088:0525:08
8:05
-
10K
6.21 mi11:44:2650:598:1225:51
8:19
+0:14
15K
9.32 mi12:10:501:17:238:1826:24
8:30
+0:11
20K
12.43 mi12:37:441:44:178:2326:54
8:39
+0:09
Half
13.11 mi12:43:351:50:088:245:51
8:34
-0:05
25K
15.53 mi13:05:192:11:528:2921:44
8:58
+0:24
30K
18.64 mi13:35:132:41:468:4129:54
9:37
+0:39
20M
20.00 mi13:47:542:54:278:4312:41
9:20
-0:17
21M
21.00 mi13:57:593:04:328:4710:05
10:05
+0:45
35K
21.75 mi14:04:213:10:548:476:22
8:31
-1:34
23M
23.00 mi14:15:383:22:118:4711:17
9:01
+0:30
24M
24.00 mi14:24:223:30:558:478:44
8:44
-0:17
40K
24.85 mi14:32:003:38:338:487:38
8:56
+0:12
25.2M
25.20 mi14:35:263:41:598:493:26
9:57
+1:01
Finish
26.22 mi14:44:053:50:388:488:39
8:29
-1:28

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

8:05 /mi

Average Pace

8:48 /mi

Slowest Pace

10:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

50:59

22% of race

Time at Steady Pace

2:03:33

54% of race

Time at Slower Pace

56:06

24% of race

Average Pace: 8:48 /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 mi11:18:3525:088:0525:08
8:05
#17275
10K
6.21 mi11:44:2650:598:1225:51
8:19
#18012
15K
9.32 mi12:10:501:17:238:1826:24
8:30
#18411
20K
12.43 mi12:37:441:44:178:2326:54
8:39
#18593
Half
13.11 mi12:43:351:50:088:245:51
8:34
#18647
25K
15.53 mi13:05:192:11:528:2921:44
8:58
#18841
30K
18.64 mi13:35:132:41:468:4129:54
9:37
#19215
20M
20.00 mi13:47:542:54:278:4312:41
9:20
#19133
21M
21.00 mi13:57:593:04:328:4710:05
10:05
#19107
35K
21.75 mi14:04:213:10:548:476:22
8:31
#18983
23M
23.00 mi14:15:383:22:118:4711:17
9:01
#18813
24M
24.00 mi14:24:223:30:558:478:44
8:44
#18693
40K
24.85 mi14:32:003:38:338:487:38
8:56
#18569
25.2M
25.20 mi14:35:263:41:598:493:26
9:57
#18538
Finish
26.22 mi14:44:053:50:388:488:39
8:29
#18457
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17275113201132019296(Top 68%)12180(Top 76%)12180(Top 967%)
10K6.21 mi3.10 mi18012-73711624-30411624-30418665(Top 66%)11924(Top 74%)11924(Top 947%)
15K9.32 mi3.11 mi18411-39911785-16111785-16119296(Top 68%)12180(Top 76%)12180(Top 967%)
20K12.43 mi3.11 mi18593-18211868-8311868-8319185(Top 68%)12115(Top 75%)12115(Top 962%)
Half13.11 mi0.68 mi18647-5411889-2111889-2119625(Top 69%)12299(Top 76%)12299(Top 977%)
25K15.53 mi2.42 mi18841-19411965-7611965-7619732(Top 69%)12292(Top 76%)12292(Top 976%)
30K18.64 mi3.11 mi19215-37412078-11312078-11320437(Top 72%)12486(Top 78%)12486(Top 992%)
20M20.00 mi1.36 mi19133+8212025+5312025+5318427(Top 65%)11415(Top 71%)11415(Top 907%)
21M21.00 mi1.00 mi19107+2611995+3011995+3018601(Top 65%)11432(Top 71%)11432(Top 908%)
35K21.75 mi0.75 mi18983+12411917+7811917+7815534(Top 55%)9965(Top 62%)9965(Top 792%)
23M23.00 mi1.25 mi18813+17011815+10211815+10216327(Top 57%)10215(Top 63%)10215(Top 811%)
24M24.00 mi1.00 mi18693+12011741+7411741+7415929(Top 56%)10004(Top 62%)10004(Top 795%)
40K24.85 mi0.85 mi18569+12411658+8311658+8315893(Top 56%)9869(Top 61%)9869(Top 784%)
25.2M25.20 mi0.35 mi18538+3111629+2911629+2916794(Top 59%)10277(Top 64%)10277(Top 816%)
Finish26.22 mi1.02 mi18457+8111574+5511574+5516133(Top 57%)9999(Top 62%)9999(Top 794%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19296

Males

12180

M60-64

12180

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18665

Males

11924

M60-64

11924

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19296

Males

12180

M60-64

12180

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

19185

Males

12115

M60-64

12115

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

19625

Males

12299

M60-64

12299

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

19732

Males

12292

M60-64

12292

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

20437

Males

12486

M60-64

12486

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

18427

Males

11415

M60-64

11415

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

18601

Males

11432

M60-64

11432

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15534

Males

9965

M60-64

9965

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16327

Males

10215

M60-64

10215

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15929

Males

10004

M60-64

10004

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15893

Males

9869

M60-64

9869

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16794

Males

10277

M60-64

10277

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16133

Males

9999

M60-64

9999

Passing Analysis

Category:
Athletes Passed
1566
Passed By
2748
Net Change
-1182
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17275
5K → 10K88825-737#17275#18012
10K → 15K76475-399#18012#18411
15K → 20K143325-182#18411#18593
20K → Half1872-54#18593#18647
Half → 25K115309-194#18647#18841
25K → 30K125499-374#18841#19215
30K → 20M14361+82#19215#19133
20M → 21M10478+26#19133#19107
21M → 35K1328+124#19107#18983
35K → 23M18818+170#18983#18813
23M → 24M13515+120#18813#18693
24M → 40K14319+124#18693#18569
40K → 25.2M5120+31#18569#18538
25.2M → Finish10524+81#18538#18457
TOTALS15662748-1182
📊

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