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BOSTON MARATHON 2025

Eddie Chen

Bib: 1502•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Masters (Masters Men)
#0 / 10463
Top 8%
Division (M40-44)
#0 / 2247
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:57
Rank: #3266
Start → 5K
19:57 | 6:25/mi
10K· 6.21 mi
40:03
Rank: #3366 (-100)
5K → 10K
20:06 | 6:28/mi
15K· 9.32 mi
1:00:32
Rank: #3654 (-288)
10K → 15K
20:29 | 6:36/mi
20K· 12.43 mi
1:21:35
Rank: #3906 (-252)
15K → 20K
21:03 | 6:47/mi
Half· 13.11 mi
1:26:07
Rank: #3941 (-35)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:42:47
Rank: #4116 (-175)
Half → 25K
16:40 | 6:52/mi
30K· 18.64 mi
2:04:48
Rank: #4275 (-159)
25K → 30K
22:01 | 7:05/mi
20M
2:14:29
Rank: #4295 (-20)
30K → 20M
9:41 | 7:08/mi
21M
2:21:52
Rank: #4236 (+59)
20M → 21M
7:23 | 7:23/mi
35K· 21.75 mi
2:27:00
Rank: #4232 (+4)
21M → 35K
5:08 | 6:52/mi
23M
2:35:50
Rank: #4189 (+43)
35K → 23M
8:50 | 7:03/mi
24M
2:42:33
Rank: #4099 (+90)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:48:07
Rank: #3958 (+141)
24M → 40K
5:34 | 6:31/mi
25.2M
2:50:31
Rank: #3882 (+76)
40K → 25.2M
2:24 | 6:58/mi
Finish· 26.22 mi
2:56:39
Rank: #3654 (+228)
25.2M → Finish
6:08 | 6:01/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:07
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:30:32
Pace6:54 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0019:576:2519:57
6:25
-
10K
6.21 mi10:41:0640:036:2720:06
6:28
+0:03
15K
9.32 mi11:01:351:00:326:3020:29
6:36
+0:08
20K
12.43 mi11:22:381:21:356:3421:03
6:47
+0:11
Half
13.11 mi11:27:101:26:076:344:32
6:39
-0:08
25K
15.53 mi11:43:501:42:476:3716:40
6:52
+0:13
30K
18.64 mi12:05:512:04:486:4222:01
7:05
+0:13
20M
20.00 mi12:15:322:14:296:439:41
7:08
+0:03
21M
21.00 mi12:22:552:21:526:457:23
7:23
+0:15
35K
21.75 mi12:28:032:27:006:465:08
6:52
-0:31
23M
23.00 mi12:36:532:35:506:478:50
7:03
+0:11
24M
24.00 mi12:43:362:42:336:466:43
6:43
-0:20
40K
24.85 mi12:49:102:48:076:465:34
6:31
-0:12
25.2M
25.20 mi12:51:342:50:316:462:24
6:58
+0:27
Finish
26.22 mi12:57:422:56:396:456:08
6:01
-0:57

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

6:01 /mi

Average Pace

6:45 /mi

Slowest Pace

7:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:12:14

41% of race

Time at Steady Pace

54:06

31% of race

Time at Slower Pace

50:19

28% of race

Average Pace: 6:44 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:0019:576:2519:57
6:25
#3266
10K
6.21 mi10:41:0640:036:2720:06
6:28
#3366
15K
9.32 mi11:01:351:00:326:3020:29
6:36
#3654
20K
12.43 mi11:22:381:21:356:3421:03
6:47
#3906
Half
13.11 mi11:27:101:26:076:344:32
6:39
#3941
25K
15.53 mi11:43:501:42:476:3716:40
6:52
#4116
30K
18.64 mi12:05:512:04:486:4222:01
7:05
#4275
20M
20.00 mi12:15:322:14:296:439:41
7:08
#4295
21M
21.00 mi12:22:552:21:526:457:23
7:23
#4236
35K
21.75 mi12:28:032:27:006:465:08
6:52
#4232
23M
23.00 mi12:36:532:35:506:478:50
7:03
#4189
24M
24.00 mi12:43:362:42:336:466:43
6:43
#4099
40K
24.85 mi12:49:102:48:076:465:34
6:31
#3958
25.2M
25.20 mi12:51:342:50:316:462:24
6:58
#3882
Finish
26.22 mi12:57:422:56:396:456:08
6:01
#3654
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3266310131014156(Top 15%)3908(Top 24%)3908(Top 174%)
10K6.21 mi3.10 mi3366-1003196-953196-953508(Top 12%)3323(Top 21%)3323(Top 148%)
15K9.32 mi3.11 mi3654-2883456-2603456-2604156(Top 15%)3908(Top 24%)3908(Top 174%)
20K12.43 mi3.11 mi3906-2523679-2233679-2235032(Top 18%)4640(Top 29%)4640(Top 206%)
Half13.11 mi0.68 mi3941-353711-323711-324712(Top 17%)4372(Top 27%)4372(Top 195%)
25K15.53 mi2.42 mi4116-1753868-1573868-1575441(Top 19%)4945(Top 31%)4945(Top 220%)
30K18.64 mi3.11 mi4275-1594000-1324000-1325225(Top 18%)4716(Top 29%)4716(Top 210%)
20M20.00 mi1.36 mi4295-204013-134013-134783(Top 17%)4309(Top 27%)4309(Top 192%)
21M21.00 mi1.00 mi4236+593947+663947+664000(Top 14%)3623(Top 22%)3623(Top 161%)
35K21.75 mi0.75 mi4232+43936+113936+114442(Top 16%)3944(Top 24%)3944(Top 176%)
23M23.00 mi1.25 mi4189+433891+453891+454050(Top 14%)3609(Top 22%)3609(Top 161%)
24M24.00 mi1.00 mi4099+903803+883803+883043(Top 11%)2756(Top 17%)2756(Top 123%)
40K24.85 mi0.85 mi3958+1413676+1273676+1271645(Top 6%)1521(Top 9%)1521(Top 68%)
25.2M25.20 mi0.35 mi3882+763602+743602+741376(Top 5%)1263(Top 8%)1263(Top 56%)
Finish26.22 mi1.02 mi3654+2283401+2013401+201967(Top 3%)909(Top 6%)909(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4156

Males

3908

M40-44

3908

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3508

Males

3323

M40-44

3323

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4156

Males

3908

M40-44

3908

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5032

Males

4640

M40-44

4640

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4712

Males

4372

M40-44

4372

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5441

Males

4945

M40-44

4945

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5225

Males

4716

M40-44

4716

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4783

Males

4309

M40-44

4309

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

4000

Males

3623

M40-44

3623

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4442

Males

3944

M40-44

3944

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

4050

Males

3609

M40-44

3609

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3043

Males

2756

M40-44

2756

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1645

Males

1521

M40-44

1521

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1376

Males

1263

M40-44

1263

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

967

Males

909

M40-44

909

Passing Analysis

Category:
Athletes Passed
1117
Passed By
1505
Net Change
-388
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3266
5K → 10K88188-100#3266#3366
10K → 15K29317-288#3366#3654
15K → 20K37289-252#3654#3906
20K → Half439-35#3906#3941
Half → 25K41216-175#3941#4116
25K → 30K92251-159#4116#4275
30K → 20M6585-20#4275#4295
20M → 21M9637+59#4295#4236
21M → 35K3430+4#4236#4232
35K → 23M8744+43#4232#4189
23M → 24M988+90#4189#4099
24M → 40K1410+141#4099#3958
40K → 25.2M771+76#3958#3882
25.2M → Finish2280+228#3882#3654
TOTALS11171505-388
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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