Boston Marathon logo
BOSTON MARATHON 2025

Chi-Sheng Lin

Bib: 24116•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M65-69)
#0 / 639
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
9:24/mi
29:12
↑ 97↓ 3451.5%
10K· 6.21 mi
9:20/mi
58:11
↑ 79↓ 1380.4%
15K· 9.32 mi
9:38/mi
1:28:06
↑ 67↓ 78
20K· 12.43 mi
10:14/mi
1:59:54
↑ 106↓ 860.1%
Half· 13.11 mi
11:22/mi
2:07:39
↑ 19↓ 370.5%
25K· 15.53 mi
11:23/mi
2:35:16
↑ 66↓ 880.2%
30K· 18.64 mi
10:27/mi
3:07:43
↑ 181↓ 1480.2%
20M
10:34/mi
3:22:04
↑ 64↓ 500.2%
21M
11:12/mi
3:33:16
↑ 106↓ 241.6%
35K· 21.75 mi
10:03/mi
3:40:47
↑ 17↓ 861.7%
23M
10:22/mi
3:53:46
↑ 23↓ 630.6%
24M
10:03/mi
4:03:49
↓ 821.3%
40K· 24.85 mi
10:29/mi
4:12:47
↓ 200.3%
25.2M
11:21/mi
4:16:42
↑ 13↓ 160.2%
Finish· 26.22 mi
10:07/mi
4:27:01
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:39
Pace9:44 /mi
2nd Half
Distance13.11 mi
Time2:19:22
Pace10:38 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:1429:129:2429:12
9:24
-
10K
6.21 mi11:55:1358:119:2228:59
9:20
-0:04
15K
9.32 mi12:25:081:28:069:2729:55
9:38
+0:18
20K
12.43 mi12:56:561:59:549:3931:48
10:14
+0:36
Half
13.11 mi13:04:412:07:399:447:45
11:22
+1:08
25K
15.53 mi13:32:182:35:1610:0027:37
11:23
+0:01
30K
18.64 mi14:04:453:07:4310:0432:27
10:27
-0:56
20M
20.00 mi14:19:063:22:0410:0614:21
10:34
+0:07
21M
21.00 mi14:30:183:33:1610:0911:12
11:12
+0:38
35K
21.75 mi14:37:493:40:4710:097:31
10:03
-1:09
23M
23.00 mi14:50:483:53:4610:1012:59
10:22
+0:19
24M
24.00 mi15:00:514:03:4910:1010:03
10:03
-0:19
40K
24.85 mi15:09:494:12:4710:108:58
10:29
+0:26
25.2M
25.20 mi15:13:444:16:4210:113:55
11:21
+0:52
Finish
26.22 mi15:24:034:27:0110:1110:19
10:07
-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

9:20 /mi

Average Pace

10:11 /mi

Slowest Pace

11:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:06

33% of race

Time at Steady Pace

2:08:26

48% of race

Time at Slower Pace

50:29

19% of race

Average Pace: 10:11 /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 mi11:26:1429:129:2429:12
9:24
#23910
10K
6.21 mi11:55:1358:119:2228:59
9:20
#23773
15K
9.32 mi12:25:081:28:069:2729:55
9:38
#23907
20K
12.43 mi12:56:561:59:549:3931:48
10:14
#24160
Half
13.11 mi13:04:412:07:399:447:45
11:22
#24364
25K
15.53 mi13:32:182:35:1610:0027:37
11:23
#24698
30K
18.64 mi14:04:453:07:4310:0432:27
10:27
#24389
20M
20.00 mi14:19:063:22:0410:0614:21
10:34
#24267
21M
21.00 mi14:30:183:33:1610:0911:12
11:12
#24127
35K
21.75 mi14:37:493:40:4710:097:31
10:03
#24061
23M
23.00 mi14:50:483:53:4610:1012:59
10:22
#23903
24M
24.00 mi15:00:514:03:4910:1010:03
10:03
#23810
40K
24.85 mi15:09:494:12:4710:108:58
10:29
#23739
25.2M
25.20 mi15:13:444:16:4210:113:55
11:21
#23727
Finish
26.22 mi15:24:034:27:0110:1110:19
10:07
#23703
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi23910141981419824095(Top 85%)14308(Top 89%)14308(Top 2239%)
10K6.21 mi3.10 mi23773+13714149+4914149+4923610(Top 83%)14078(Top 87%)14078(Top 2203%)
15K9.32 mi3.11 mi23907-13414219-7014219-7024095(Top 85%)14308(Top 89%)14308(Top 2239%)
20K12.43 mi3.11 mi24160-25314317-9814317-9824717(Top 87%)14539(Top 90%)14539(Top 2275%)
Half13.11 mi0.68 mi24364-20414401-8414401-8426933(Top 95%)15488(Top 96%)15488(Top 2424%)
25K15.53 mi2.42 mi24698-33414546-14514546-14525719(Top 91%)14947(Top 93%)14947(Top 2339%)
30K18.64 mi3.11 mi24389+30914385+16114385+16122808(Top 80%)13530(Top 84%)13530(Top 2117%)
20M20.00 mi1.36 mi24267+12214312+7314312+7322595(Top 80%)13335(Top 83%)13335(Top 2087%)
21M21.00 mi1.00 mi24127+14014230+8214230+8221905(Top 77%)12934(Top 80%)12934(Top 2024%)
35K21.75 mi0.75 mi24061+6614187+4314187+4322029(Top 78%)12931(Top 80%)12931(Top 2024%)
23M23.00 mi1.25 mi23903+15814088+9914088+9921642(Top 76%)12702(Top 79%)12702(Top 1988%)
24M24.00 mi1.00 mi23810+9314038+5014038+5021494(Top 76%)12591(Top 78%)12591(Top 1970%)
40K24.85 mi0.85 mi23739+7113988+5013988+5021886(Top 77%)12693(Top 79%)12693(Top 1986%)
25.2M25.20 mi0.35 mi23727+1213980+813980+821675(Top 76%)12632(Top 78%)12632(Top 1977%)
Finish26.22 mi1.02 mi23703+2413958+2213958+2223297(Top 82%)13424(Top 83%)13424(Top 2101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24095

Males

14308

M65-69

14308

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

23610

Males

14078

M65-69

14078

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24095

Males

14308

M65-69

14308

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24717

Males

14539

M65-69

14539

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

26933

Males

15488

M65-69

15488

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

25719

Males

14947

M65-69

14947

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

22808

Males

13530

M65-69

13530

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

22595

Males

13335

M65-69

13335

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

21905

Males

12934

M65-69

12934

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22029

Males

12931

M65-69

12931

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

21642

Males

12702

M65-69

12702

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

21494

Males

12591

M65-69

12591

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21886

Males

12693

M65-69

12693

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21675

Males

12632

M65-69

12632

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

23297

Males

13424

M65-69

13424

Passing Analysis

Category:
Athletes Passed
1607
Passed By
1400
Net Change
+207
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23910
5K → 10K314177+137#23910#23773
10K → 15K107241-134#23773#23907
15K → 20K65318-253#23907#24160
20K → Half3207-204#24160#24364
Half → 25K29363-334#24364#24698
25K → 30K32314+309#24698#24389
30K → 20M13311+122#24389#24267
20M → 21M15414+140#24267#24127
21M → 35K748+66#24127#24061
35K → 23M1624+158#24061#23903
23M → 24M996+93#23903#23810
24M → 40K809+71#23810#23739
40K → 25.2M175+12#23739#23727
25.2M → Finish4723+24#23727#23703
TOTALS16071400+207
📊

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