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BOSTON MARATHON 2025

Lincoln Chen

Bib: 9917•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 26%
Gender (Male)
#0 / 16105
Top 39%
Masters (Masters Men)
#0 / 10463
Top 26%
Division (M55-59)
#0 / 1648
Top 9%
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
7:19/mi
22:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
44:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:07:05
↑ 67↓ 78
20K· 12.43 mi
7:07/mi
1:29:12
↑ 106↓ 860.1%
Half· 13.11 mi
6:59/mi
1:33:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:05/mi
1:51:08
↑ 66↓ 880.2%
30K· 18.64 mi
7:20/mi
2:13:55
↑ 181↓ 1480.2%
20M
7:25/mi
2:24:00
↑ 64↓ 500.2%
21M
8:00/mi
2:32:00
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:37:17
↑ 17↓ 861.7%
23M
7:31/mi
2:46:42
↑ 23↓ 630.6%
24M
7:30/mi
2:54:12
↓ 821.3%
40K· 24.85 mi
7:37/mi
3:00:43
↓ 200.3%
25.2M
8:45/mi
3:03:44
↑ 13↓ 160.2%
Finish· 26.22 mi
7:31/mi
3:11:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:58
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:37:26
Pace7:26 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4522:447:1922:44
7:19
-
10K
6.21 mi11:10:5844:577:1422:13
7:09
-0:10
15K
9.32 mi11:33:061:07:057:1222:08
7:07
-0:02
20K
12.43 mi11:55:131:29:127:1122:07
7:07
0:00
Half
13.11 mi11:59:591:33:587:104:46
6:59
-0:08
25K
15.53 mi12:17:091:51:087:0917:10
7:05
+0:06
30K
18.64 mi12:39:562:13:557:1122:47
7:20
+0:15
20M
20.00 mi12:50:012:24:007:1210:05
7:25
+0:05
21M
21.00 mi12:58:012:32:007:148:00
8:00
+0:35
35K
21.75 mi13:03:182:37:177:145:17
7:04
-0:56
23M
23.00 mi13:12:432:46:427:159:25
7:31
+0:27
24M
24.00 mi13:20:132:54:127:167:30
7:30
-0:01
40K
24.85 mi13:26:443:00:437:166:31
7:37
+0:07
25.2M
25.20 mi13:29:453:03:447:173:01
8:45
+1:08
Finish
26.22 mi13:37:253:11:247:187:40
7:31
-1:14

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

6:59 /mi

Average Pace

7:18 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

27:13

14% of race

Time at Steady Pace

2:26:39

77% of race

Time at Slower Pace

17:32

9% of race

Average Pace: 7:18 /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 mi10:48:4522:447:1922:44
7:19
#10509
10K
6.21 mi11:10:5844:577:1422:13
7:09
#9743
15K
9.32 mi11:33:061:07:057:1222:08
7:07
#9309
20K
12.43 mi11:55:131:29:127:1122:07
7:07
#8784
Half
13.11 mi11:59:591:33:587:104:46
6:59
#8681
25K
15.53 mi12:17:091:51:087:0917:10
7:05
#8323
30K
18.64 mi12:39:562:13:557:1122:47
7:20
#7919
20M
20.00 mi12:50:012:24:007:1210:05
7:25
#7741
21M
21.00 mi12:58:012:32:007:148:00
8:00
#7663
35K
21.75 mi13:03:182:37:177:145:17
7:04
#7552
23M
23.00 mi13:12:432:46:427:159:25
7:31
#7436
24M
24.00 mi13:20:132:54:127:167:30
7:30
#7412
40K
24.85 mi13:26:443:00:437:166:31
7:37
#7363
25.2M
25.20 mi13:29:453:03:447:173:01
8:45
#7389
Finish
26.22 mi13:37:253:11:247:187:40
7:31
#7438
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi10509843884388489(Top 30%)7237(Top 45%)7237(Top 439%)
10K6.21 mi3.10 mi9743+7668024+4148024+4149065(Top 32%)7639(Top 47%)7639(Top 464%)
15K9.32 mi3.11 mi9309+4347759+2657759+2658489(Top 30%)7237(Top 45%)7237(Top 439%)
20K12.43 mi3.11 mi8784+5257431+3287431+3287627(Top 27%)6628(Top 41%)6628(Top 402%)
Half13.11 mi0.68 mi8681+1037364+677364+677436(Top 26%)6526(Top 41%)6526(Top 396%)
25K15.53 mi2.42 mi8323+3587124+2407124+2406841(Top 24%)6006(Top 37%)6006(Top 364%)
30K18.64 mi3.11 mi7919+4046820+3046820+3046643(Top 23%)5740(Top 36%)5740(Top 348%)
20M20.00 mi1.36 mi7741+1786682+1386682+1386493(Top 23%)5519(Top 34%)5519(Top 335%)
21M21.00 mi1.00 mi7663+786590+926590+927321(Top 26%)5856(Top 36%)5856(Top 355%)
35K21.75 mi0.75 mi7552+1116494+966494+965759(Top 20%)4895(Top 30%)4895(Top 297%)
23M23.00 mi1.25 mi7436+1166382+1126382+1126728(Top 24%)5430(Top 34%)5430(Top 329%)
24M24.00 mi1.00 mi7412+246329+536329+537651(Top 27%)5899(Top 37%)5899(Top 358%)
40K24.85 mi0.85 mi7363+496272+576272+577513(Top 26%)5718(Top 36%)5718(Top 347%)
25.2M25.20 mi0.35 mi7389-266273-16273-110188(Top 36%)7012(Top 44%)7012(Top 425%)
Finish26.22 mi1.02 mi7438-496267+66267+69312(Top 33%)6598(Top 41%)6598(Top 400%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21story building
+97ft-345ft

Overall

8489

Males

7237

M55-59

7237

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

9065

Males

7639

M55-59

7639

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+67ft-78ft

Overall

8489

Males

7237

M55-59

7237

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7627

Males

6628

M55-59

6628

20K→Half

12.4 - 13.1 mi

Top 26%
×2story building
+19ft-37ft

Overall

7436

Males

6526

M55-59

6526

Half→25K

13.1 - 15.5 mi

Top 24%
×4story building
+66ft-88ft

Overall

6841

Males

6006

M55-59

6006

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6643

Males

5740

M55-59

5740

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6493

Males

5519

M55-59

5519

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7321

Males

5856

M55-59

5856

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5759

Males

4895

M55-59

4895

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6728

Males

5430

M55-59

5430

23M→24M

23.0 - 24.0 mi

Top 27%
×6story building
+12ft-82ft

Overall

7651

Males

5899

M55-59

5899

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7513

Males

5718

M55-59

5718

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10188

Males

7012

M55-59

7012

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

9312

Males

6598

M55-59

6598

Passing Analysis

Category:
Athletes Passed
3526*
Passed By
455
Net Change
+3071
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10509
5K → 10K813*47+766#10509#9743
10K → 15K45117+434#9743#9309
15K → 20K5305+525#9309#8784
20K → Half1030+103#8784#8681
Half → 25K3668+358#8681#8323
25K → 30K42622+404#8323#7919
30K → 20M18810+178#7919#7741
20M → 21M14163+78#7741#7663
21M → 35K1176+111#7663#7552
35K → 23M15236+116#7552#7436
23M → 24M8056+24#7436#7412
24M → 40K9344+49#7412#7363
40K → 25.2M1844-26#7363#7389
25.2M → Finish4897-49#7389#7438
TOTALS3526*455+3071

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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