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BOSTON MARATHON 2025

Jason Yen

Bib: 2259•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Division (M18-39)
#0 / 5642
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:13
Rank: #3867
Start → 5K
20:13 | 6:30/mi
10K· 6.21 mi
40:14
Rank: #3580 (+287)
5K → 10K
20:01 | 6:27/mi
15K· 9.32 mi
1:00:22
Rank: #3520 (+60)
10K → 15K
20:08 | 6:29/mi
20K· 12.43 mi
1:20:47
Rank: #3504 (+16)
15K → 20K
20:25 | 6:34/mi
Half· 13.11 mi
1:25:10
Rank: #3481 (+23)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:02
Rank: #3402 (+79)
Half → 25K
15:52 | 6:33/mi
30K· 18.64 mi
2:01:39
Rank: #3187 (+215)
25K → 30K
20:37 | 6:38/mi
20M
2:10:41
Rank: #3064 (+123)
30K → 20M
9:02 | 6:39/mi
21M
2:17:12
Rank: #2861 (+203)
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:21:49
Rank: #2757 (+104)
21M → 35K
4:37 | 6:10/mi
23M
2:29:57
Rank: #2625 (+132)
35K → 23M
8:08 | 6:30/mi
24M
2:36:11
Rank: #2497 (+128)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:41:38
Rank: #2426 (+71)
24M → 40K
5:27 | 6:22/mi
25.2M
2:43:55
Rank: #2370 (+56)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:49:57
Rank: #2261 (+109)
25.2M → Finish
6:02 | 5:55/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:25:10
Pace6:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:24:47
Pace6:28 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:1120:136:3020:13
6:30
-
10K
6.21 mi10:41:1240:146:2820:01
6:27
-0:03
15K
9.32 mi11:01:201:00:226:2920:08
6:29
+0:02
20K
12.43 mi11:21:451:20:476:3020:25
6:34
+0:05
Half
13.11 mi11:26:081:25:106:304:23
6:25
-0:09
25K
15.53 mi11:42:001:41:026:3015:52
6:33
+0:08
30K
18.64 mi12:02:372:01:396:3220:37
6:38
+0:05
20M
20.00 mi12:11:392:10:416:329:02
6:39
+0:01
21M
21.00 mi12:18:102:17:126:326:31
6:31
-0:08
35K
21.75 mi12:22:472:21:496:314:37
6:10
-0:21
23M
23.00 mi12:30:552:29:576:318:08
6:30
+0:20
24M
24.00 mi12:37:092:36:116:306:14
6:14
-0:16
40K
24.85 mi12:42:362:41:386:305:27
6:22
+0:08
25.2M
25.20 mi12:44:532:43:556:302:17
6:37
+0:15
Finish
26.22 mi12:50:552:49:576:296:02
5:55
-0:42

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

5:55 /mi

Average Pace

6:29 /mi

Slowest Pace

6:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:13

56% of race

Time at Steady Pace

1:14:44

44% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:29 /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 mi10:21:1120:136:3020:13
6:30
#3867
10K
6.21 mi10:41:1240:146:2820:01
6:27
#3580
15K
9.32 mi11:01:201:00:226:2920:08
6:29
#3520
20K
12.43 mi11:21:451:20:476:3020:25
6:34
#3504
Half
13.11 mi11:26:081:25:106:304:23
6:25
#3481
25K
15.53 mi11:42:001:41:026:3015:52
6:33
#3402
30K
18.64 mi12:02:372:01:396:3220:37
6:38
#3187
20M
20.00 mi12:11:392:10:416:329:02
6:39
#3064
21M
21.00 mi12:18:102:17:126:326:31
6:31
#2861
35K
21.75 mi12:22:472:21:496:314:37
6:10
#2757
23M
23.00 mi12:30:552:29:576:318:08
6:30
#2625
24M
24.00 mi12:37:092:36:116:306:14
6:14
#2497
40K
24.85 mi12:42:362:41:386:305:27
6:22
#2426
25.2M
25.20 mi12:44:532:43:556:302:17
6:37
#2370
Finish
26.22 mi12:50:552:49:576:296:02
5:55
#2261
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3867365936593431(Top 12%)3251(Top 20%)3251(Top 58%)
10K6.21 mi3.10 mi3580+2873395+2643395+2643315(Top 12%)3150(Top 20%)3150(Top 56%)
15K9.32 mi3.11 mi3520+603338+573338+573431(Top 12%)3251(Top 20%)3251(Top 58%)
20K12.43 mi3.11 mi3504+163321+173321+173515(Top 12%)3325(Top 21%)3325(Top 59%)
Half13.11 mi0.68 mi3481+233298+233298+233148(Top 11%)2989(Top 19%)2989(Top 53%)
25K15.53 mi2.42 mi3402+793231+673231+673107(Top 11%)2941(Top 18%)2941(Top 52%)
30K18.64 mi3.11 mi3187+2153027+2043027+2042563(Top 9%)2424(Top 15%)2424(Top 43%)
20M20.00 mi1.36 mi3064+1232908+1192908+1192214(Top 8%)2092(Top 13%)2092(Top 37%)
21M21.00 mi1.00 mi2861+2032722+1862722+186731(Top 3%)692(Top 4%)692(Top 12%)
35K21.75 mi0.75 mi2757+1042623+992623+991151(Top 4%)1086(Top 7%)1086(Top 19%)
23M23.00 mi1.25 mi2625+1322495+1282495+1281440(Top 5%)1356(Top 8%)1356(Top 24%)
24M24.00 mi1.00 mi2497+1282372+1232372+1231126(Top 4%)1059(Top 7%)1059(Top 19%)
40K24.85 mi0.85 mi2426+712303+692303+691179(Top 4%)1101(Top 7%)1101(Top 20%)
25.2M25.20 mi0.35 mi2370+562249+542249+54651(Top 2%)606(Top 4%)606(Top 11%)
Finish26.22 mi1.02 mi2261+1092146+1032146+103747(Top 3%)703(Top 4%)703(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3431

Males

3251

M18-39

3251

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3315

Males

3150

M18-39

3150

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3431

Males

3251

M18-39

3251

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3515

Males

3325

M18-39

3325

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3148

Males

2989

M18-39

2989

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3107

Males

2941

M18-39

2941

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2563

Males

2424

M18-39

2424

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2214

Males

2092

M18-39

2092

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

731

Males

692

M18-39

692

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1151

Males

1086

M18-39

1086

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1440

Males

1356

M18-39

1356

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1126

Males

1059

M18-39

1059

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1179

Males

1101

M18-39

1101

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

651

Males

606

M18-39

606

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

747

Males

703

M18-39

703

Passing Analysis

Category:
Athletes Passed
1902
Passed By
296
Net Change
+1606
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3867
5K → 10K33245+287#3867#3580
10K → 15K13171+60#3580#3520
15K → 20K11296+16#3520#3504
20K → Half296+23#3504#3481
Half → 25K11839+79#3481#3402
25K → 30K23217+215#3402#3187
30K → 20M1318+123#3187#3064
20M → 21M2030+203#3064#2861
21M → 35K1040+104#2861#2757
35K → 23M1375+132#2757#2625
23M → 24M1313+128#2625#2497
24M → 40K754+71#2497#2426
40K → 25.2M582+56#2426#2370
25.2M → Finish1090+109#2370#2261
TOTALS1902296+1606
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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