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BOSTON MARATHON 2025

Laurence Tien

Bib: 14106•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
8:17/mi
25:44
↑ 97↓ 3451.5%
10K· 6.21 mi
8:24/mi
51:51
↑ 79↓ 1380.4%
15K· 9.32 mi
8:25/mi
1:18:01
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:44:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:50:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:10:08
↑ 66↓ 880.2%
30K· 18.64 mi
8:20/mi
2:36:00
↑ 181↓ 1480.2%
20M
8:35/mi
2:47:40
↑ 64↓ 500.2%
21M
9:21/mi
2:57:01
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
3:03:04
↑ 17↓ 861.7%
23M
8:10/mi
3:13:17
↑ 23↓ 630.6%
24M
7:57/mi
3:21:14
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:28:13
↓ 200.3%
25.2M
8:59/mi
3:31:19
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:39:25
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:50:08
Pace8:24 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:49:17
Pace8:20 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2625:448:1725:44
8:17
-
10K
6.21 mi11:48:3351:518:2126:07
8:24
+0:07
15K
9.32 mi12:14:431:18:018:2226:10
8:25
+0:01
20K
12.43 mi12:41:081:44:268:2426:25
8:30
+0:05
Half
13.11 mi12:46:501:50:088:245:42
8:21
-0:09
25K
15.53 mi13:06:502:10:088:2320:00
8:15
-0:06
30K
18.64 mi13:32:422:36:008:2225:52
8:20
+0:05
20M
20.00 mi13:44:222:47:408:2311:40
8:35
+0:15
21M
21.00 mi13:53:432:57:018:269:21
9:21
+0:46
35K
21.75 mi13:59:463:03:048:256:03
8:05
-1:16
23M
23.00 mi14:09:593:13:178:2410:13
8:10
+0:05
24M
24.00 mi14:17:563:21:148:237:57
7:57
-0:13
40K
24.85 mi14:24:553:28:138:236:59
8:10
+0:13
25.2M
25.20 mi14:28:013:31:198:233:06
8:59
+0:49
Finish
26.22 mi14:36:073:39:258:228:06
7:57
-1:02

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

7:57 /mi

Average Pace

8:22 /mi

Slowest Pace

9:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:58

94% of race

Time at Steady Pace

12:27

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:22 /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 mi11:22:2625:448:1725:44
8:17
#18592
10K
6.21 mi11:48:3351:518:2126:07
8:24
#18876
15K
9.32 mi12:14:431:18:018:2226:10
8:25
#18851
20K
12.43 mi12:41:081:44:268:2426:25
8:30
#18675
Half
13.11 mi12:46:501:50:088:245:42
8:21
#18642
25K
15.53 mi13:06:502:10:088:2320:00
8:15
#18104
30K
18.64 mi13:32:422:36:008:2225:52
8:20
#17255
20M
20.00 mi13:44:222:47:408:2311:40
8:35
#17034
21M
21.00 mi13:53:432:57:018:269:21
9:21
#16885
35K
21.75 mi13:59:463:03:048:256:03
8:05
#16734
23M
23.00 mi14:09:593:13:178:2410:13
8:10
#16362
24M
24.00 mi14:17:563:21:148:237:57
7:57
#16108
40K
24.85 mi14:24:553:28:138:236:59
8:10
#15923
25.2M
25.20 mi14:28:013:31:198:233:06
8:59
#15840
Finish
26.22 mi14:36:073:39:258:228:06
7:57
#15722
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi18592118581185818833(Top 66%)11977(Top 74%)11977(Top 727%)
10K6.21 mi3.10 mi18876-28411986-12811986-12819219(Top 68%)12151(Top 75%)12151(Top 737%)
15K9.32 mi3.11 mi18851+2511971+1511971+1518833(Top 66%)11977(Top 74%)11977(Top 727%)
20K12.43 mi3.11 mi18675+17611899+7211899+7218241(Top 64%)11714(Top 73%)11714(Top 711%)
Half13.11 mi0.68 mi18642+3311884+1511884+1518225(Top 64%)11703(Top 73%)11703(Top 710%)
25K15.53 mi2.42 mi18104+53811636+24811636+24815606(Top 55%)10488(Top 65%)10488(Top 636%)
30K18.64 mi3.11 mi17255+84911239+39711239+39713655(Top 48%)9449(Top 59%)9449(Top 573%)
20M20.00 mi1.36 mi17034+22111120+11911120+11914331(Top 50%)9613(Top 60%)9613(Top 583%)
21M21.00 mi1.00 mi16885+14911037+8311037+8315382(Top 54%)9954(Top 62%)9954(Top 604%)
35K21.75 mi0.75 mi16734+15110952+8510952+8512826(Top 45%)8738(Top 54%)8738(Top 530%)
23M23.00 mi1.25 mi16362+37210766+18610766+18611120(Top 39%)7815(Top 49%)7815(Top 474%)
24M24.00 mi1.00 mi16108+25410623+14310623+14310892(Top 38%)7628(Top 47%)7628(Top 463%)
40K24.85 mi0.85 mi15923+18510519+10410519+10411370(Top 40%)7761(Top 48%)7761(Top 471%)
25.2M25.20 mi0.35 mi15840+8310470+4910470+4911741(Top 41%)7875(Top 49%)7875(Top 478%)
Finish26.22 mi1.02 mi15722+11810395+7510395+7512531(Top 44%)8303(Top 52%)8303(Top 504%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18833

Males

11977

M55-59

11977

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19219

Males

12151

M55-59

12151

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18833

Males

11977

M55-59

11977

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18241

Males

11714

M55-59

11714

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18225

Males

11703

M55-59

11703

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15606

Males

10488

M55-59

10488

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13655

Males

9449

M55-59

9449

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14331

Males

9613

M55-59

9613

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15382

Males

9954

M55-59

9954

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12826

Males

8738

M55-59

8738

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11120

Males

7815

M55-59

7815

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10892

Males

7628

M55-59

7628

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11370

Males

7761

M55-59

7761

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11741

Males

7875

M55-59

7875

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

12531

Males

8303

M55-59

8303

Passing Analysis

Category:
Athletes Passed
3698
Passed By
828
Net Change
+2870
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18592
5K → 10K154438-284#18592#18876
10K → 15K210185+25#18876#18851
15K → 20K280104+176#18851#18675
20K → Half5118+33#18675#18642
Half → 25K5435+538#18642#18104
25K → 30K8501+849#18104#17255
30K → 20M23110+221#17255#17034
20M → 21M18839+149#17034#16885
21M → 35K1543+151#16885#16734
35K → 23M3731+372#16734#16362
23M → 24M2540+254#16362#16108
24M → 40K1883+185#16108#15923
40K → 25.2M852+83#15923#15840
25.2M → Finish13719+118#15840#15722
TOTALS3698828+2870
📊

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