Boston Marathon logo
BOSTON MARATHON 2025

Dayue Chen

Bib: 23065•M

CA

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
Top 25%
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
8:20/mi
25:52
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
51:28
↑ 79↓ 1380.4%
15K· 9.32 mi
8:15/mi
1:17:06
↑ 67↓ 78
20K· 12.43 mi
8:29/mi
1:43:27
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:49:04
↑ 19↓ 370.5%
25K· 15.53 mi
8:31/mi
2:09:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:55/mi
2:37:26
↑ 181↓ 1480.2%
20M
9:05/mi
2:49:46
↑ 64↓ 500.2%
21M
10:12/mi
2:59:58
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
3:06:36
↑ 17↓ 861.7%
23M
9:38/mi
3:18:40
↑ 23↓ 630.6%
24M
9:36/mi
3:28:16
↓ 821.3%
40K· 24.85 mi
9:59/mi
3:36:48
↓ 200.3%
25.2M
11:13/mi
3:40:40
↑ 13↓ 160.2%
Finish· 26.22 mi
9:28/mi
3:50:19
↑ 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
Time1:49:04
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:01:15
Pace9:15 /mi
📊Positive Split: 11.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:3625:528:2025:52
8:20
-
10K
6.21 mi11:50:1251:288:1725:36
8:14
-0:06
15K
9.32 mi12:15:501:17:068:1625:38
8:15
+0:01
20K
12.43 mi12:42:111:43:278:1926:21
8:29
+0:14
Half
13.11 mi12:47:481:49:048:195:37
8:14
-0:15
25K
15.53 mi13:08:282:09:448:2120:40
8:31
+0:17
30K
18.64 mi13:36:102:37:268:2727:42
8:55
+0:24
20M
20.00 mi13:48:302:49:468:2912:20
9:05
+0:10
21M
21.00 mi13:58:422:59:588:3410:12
10:12
+1:07
35K
21.75 mi14:05:203:06:368:356:38
8:52
-1:20
23M
23.00 mi14:17:243:18:408:3812:04
9:38
+0:46
24M
24.00 mi14:27:003:28:168:419:36
9:36
-0:02
40K
24.85 mi14:35:323:36:488:438:32
9:59
+0:23
25.2M
25.20 mi14:39:243:40:408:453:52
11:13
+1:14
Finish
26.22 mi14:49:033:50:198:479:39
9:28
-1:45

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

8:14 /mi

Average Pace

8:47 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:04

47% of race

Time at Steady Pace

1:07:20

29% of race

Time at Slower Pace

53:55

23% of race

Average Pace: 8:47 /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 mi11:24:3625:528:2025:52
8:20
#18857
10K
6.21 mi11:50:1251:288:1725:36
8:14
#18498
15K
9.32 mi12:15:501:17:068:1625:38
8:15
#18221
20K
12.43 mi12:42:111:43:278:1926:21
8:29
#18152
Half
13.11 mi12:47:481:49:048:195:37
8:14
#18093
25K
15.53 mi13:08:282:09:448:2120:40
8:31
#17931
30K
18.64 mi13:36:102:37:268:2727:42
8:55
#17760
20M
20.00 mi13:48:302:49:468:2912:20
9:05
#17704
21M
21.00 mi13:58:422:59:588:3410:12
10:12
#17822
35K
21.75 mi14:05:203:06:368:356:38
8:52
#17802
23M
23.00 mi14:17:243:18:408:3812:04
9:38
#17900
24M
24.00 mi14:27:003:28:168:419:36
9:36
#18005
40K
24.85 mi14:35:323:36:488:438:32
9:59
#18151
25.2M
25.20 mi14:39:243:40:408:453:52
11:13
#18238
Finish
26.22 mi14:49:033:50:198:479:39
9:28
#18386
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18857119751197517733(Top 62%)11527(Top 72%)11527(Top 1804%)
10K6.21 mi3.10 mi18498+35911832+14311832+14318158(Top 64%)11711(Top 73%)11711(Top 1833%)
15K9.32 mi3.11 mi18221+27711711+12111711+12117733(Top 62%)11527(Top 72%)11527(Top 1804%)
20K12.43 mi3.11 mi18152+6911677+3411677+3418098(Top 64%)11651(Top 72%)11651(Top 1823%)
Half13.11 mi0.68 mi18093+5911651+2611651+2617455(Top 61%)11394(Top 71%)11394(Top 1783%)
25K15.53 mi2.42 mi17931+16211565+8611565+8617340(Top 61%)11248(Top 70%)11248(Top 1760%)
30K18.64 mi3.11 mi17760+17111445+12011445+12017236(Top 61%)11038(Top 69%)11038(Top 1727%)
20M20.00 mi1.36 mi17704+5611389+5611389+5617195(Top 61%)10903(Top 68%)10903(Top 1706%)
21M21.00 mi1.00 mi17822-11811439-5011439-5019009(Top 67%)11620(Top 72%)11620(Top 1818%)
35K21.75 mi0.75 mi17802+2011418+2111418+2117581(Top 62%)10859(Top 67%)10859(Top 1699%)
23M23.00 mi1.25 mi17900-9811411+711411+719217(Top 68%)11542(Top 72%)11542(Top 1806%)
24M24.00 mi1.00 mi18005-10511434-2311434-2319967(Top 70%)11850(Top 74%)11850(Top 1854%)
40K24.85 mi0.85 mi18151-14611472-3811472-3820395(Top 72%)11980(Top 74%)11980(Top 1875%)
25.2M25.20 mi0.35 mi18238-8711501-2911501-2921225(Top 75%)12387(Top 77%)12387(Top 1938%)
Finish26.22 mi1.02 mi18386-14811539-3811539-3821053(Top 74%)12314(Top 76%)12314(Top 1927%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17733

Males

11527

M65-69

11527

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18158

Males

11711

M65-69

11711

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17733

Males

11527

M65-69

11527

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18098

Males

11651

M65-69

11651

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

17455

Males

11394

M65-69

11394

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17340

Males

11248

M65-69

11248

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17236

Males

11038

M65-69

11038

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17195

Males

10903

M65-69

10903

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

19009

Males

11620

M65-69

11620

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17581

Males

10859

M65-69

10859

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

19217

Males

11542

M65-69

11542

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

19967

Males

11850

M65-69

11850

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20395

Males

11980

M65-69

11980

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21225

Males

12387

M65-69

12387

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

21053

Males

12314

M65-69

12314

Passing Analysis

Category:
Athletes Passed
2135
Passed By
1664
Net Change
+471
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18857
5K → 10K490131+359#18857#18498
10K → 15K34366+277#18498#18221
15K → 20K211142+69#18221#18152
20K → Half7516+59#18152#18093
Half → 25K23876+162#18093#17931
25K → 30K313142+171#17931#17760
30K → 20M14286+56#17760#17704
20M → 21M64182-118#17704#17822
21M → 35K7555+20#17822#17802
35K → 23M79177-98#17802#17900
23M → 24M44149-105#17900#18005
24M → 40K36182-146#18005#18151
40K → 25.2M592-87#18151#18238
25.2M → Finish20168-148#18238#18386
TOTALS21351664+471
📊

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