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BOSTON MARATHON 2025

Hui-Chung Feng

Bib: 18014•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:38
Rank: #20310
Start → 5K
26:38 | 8:34/mi
10K· 6.21 mi
54:30
Rank: #21284 (-974)
5K → 10K
27:52 | 8:58/mi
15K· 9.32 mi
1:22:55
Rank: #21792 (-508)
10K → 15K
28:25 | 9:09/mi
20K· 12.43 mi
1:53:04
Rank: #22352 (-560)
15K → 20K
30:09 | 9:42/mi
Half· 13.11 mi
1:59:26
Rank: #22381 (-29)
20K → Half
6:22 | 9:20/mi
25K· 15.53 mi
2:22:10
Rank: #22250 (+131)
Half → 25K
22:44 | 9:23/mi
30K· 18.64 mi
2:52:49
Rank: #22061 (+189)
25K → 30K
30:39 | 9:52/mi
20M
3:06:06
Rank: #21896 (+165)
30K → 20M
13:17 | 9:46/mi
21M
3:16:41
Rank: #21782 (+114)
20M → 21M
10:35 | 10:35/mi
35K· 21.75 mi
3:23:43
Rank: #21711 (+71)
21M → 35K
7:02 | 9:24/mi
23M
3:36:43
Rank: #21695 (+16)
35K → 23M
13:00 | 10:23/mi
24M
3:46:34
Rank: #21659 (+36)
23M → 24M
9:51 | 9:51/mi
40K· 24.85 mi
3:54:58
Rank: #21570 (+89)
24M → 40K
8:24 | 9:49/mi
25.2M
3:58:48
Rank: #21566 (+4)
40K → 25.2M
3:50 | 11:07/mi
Finish· 26.22 mi
4:08:42
Rank: #21568 (-2)
25.2M → Finish
9:54 | 9:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:26
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:09:16
Pace9:52 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3226:388:3426:38
8:34
-
10K
6.21 mi11:45:2454:308:4627:52
8:58
+0:24
15K
9.32 mi12:13:491:22:558:5428:25
9:09
+0:11
20K
12.43 mi12:43:581:53:049:0630:09
9:42
+0:33
Half
13.11 mi12:50:201:59:269:076:22
9:20
-0:22
25K
15.53 mi13:13:042:22:109:0922:44
9:23
+0:03
30K
18.64 mi13:43:432:52:499:1630:39
9:52
+0:29
20M
20.00 mi13:57:003:06:069:1813:17
9:46
-0:06
21M
21.00 mi14:07:353:16:419:2210:35
10:35
+0:49
35K
21.75 mi14:14:373:23:439:227:02
9:24
-1:11
23M
23.00 mi14:27:373:36:439:2513:00
10:23
+0:59
24M
24.00 mi14:37:283:46:349:269:51
9:51
-0:32
40K
24.85 mi14:45:523:54:589:278:24
9:49
-0:02
25.2M
25.20 mi14:49:423:58:489:293:50
11:07
+1:18
Finish
26.22 mi14:59:364:08:429:309:54
9:43
-1:24

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

8:34 /mi

Average Pace

9:30 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:59:03

48% of race

Time at Steady Pace

1:42:14

41% of race

Time at Slower Pace

27:25

11% of race

Average Pace: 9:29 /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 mi11:17:3226:388:3426:38
8:34
#20310
10K
6.21 mi11:45:2454:308:4627:52
8:58
#21284
15K
9.32 mi12:13:491:22:558:5428:25
9:09
#21792
20K
12.43 mi12:43:581:53:049:0630:09
9:42
#22352
Half
13.11 mi12:50:201:59:269:076:22
9:20
#22381
25K
15.53 mi13:13:042:22:109:0922:44
9:23
#22250
30K
18.64 mi13:43:432:52:499:1630:39
9:52
#22061
20M
20.00 mi13:57:003:06:069:1813:17
9:46
#21896
21M
21.00 mi14:07:353:16:419:2210:35
10:35
#21782
35K
21.75 mi14:14:373:23:439:227:02
9:24
#21711
23M
23.00 mi14:27:373:36:439:2513:00
10:23
#21695
24M
24.00 mi14:37:283:46:349:269:51
9:51
#21659
40K
24.85 mi14:45:523:54:589:278:24
9:49
#21570
25.2M
25.20 mi14:49:423:58:489:293:50
11:07
#21566
Finish
26.22 mi14:59:364:08:429:309:54
9:43
#21568
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi20310125661256622640(Top 80%)13664(Top 85%)13664(Top 829%)
10K6.21 mi3.10 mi21284-97413017-45113017-45122246(Top 78%)13447(Top 83%)13447(Top 816%)
15K9.32 mi3.11 mi21792-50813240-22313240-22322640(Top 80%)13664(Top 85%)13664(Top 829%)
20K12.43 mi3.11 mi22352-56013503-26313503-26323498(Top 83%)14011(Top 87%)14011(Top 850%)
Half13.11 mi0.68 mi22381-2913510-713510-723038(Top 81%)13801(Top 86%)13801(Top 837%)
25K15.53 mi2.42 mi22250+13113448+6213448+6221457(Top 76%)13065(Top 81%)13065(Top 793%)
30K18.64 mi3.11 mi22061+18913348+10013348+10021200(Top 75%)12805(Top 80%)12805(Top 777%)
20M20.00 mi1.36 mi21896+16513257+9113257+9120209(Top 71%)12241(Top 76%)12241(Top 743%)
21M21.00 mi1.00 mi21782+11413179+7813179+7820263(Top 71%)12160(Top 76%)12160(Top 738%)
35K21.75 mi0.75 mi21711+7113139+4013139+4019943(Top 70%)11948(Top 74%)11948(Top 725%)
23M23.00 mi1.25 mi21695+1613096+4313096+4321687(Top 76%)12722(Top 79%)12722(Top 772%)
24M24.00 mi1.00 mi21659+3613054+4213054+4220889(Top 74%)12291(Top 76%)12291(Top 746%)
40K24.85 mi0.85 mi21570+8913001+5313001+5319887(Top 70%)11749(Top 73%)11749(Top 713%)
25.2M25.20 mi0.35 mi21566+412990+1112990+1120973(Top 74%)12281(Top 76%)12281(Top 745%)
Finish26.22 mi1.02 mi21568-212974+1612974+1621966(Top 77%)12771(Top 79%)12771(Top 775%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

22640

Males

13664

M55-59

13664

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22246

Males

13447

M55-59

13447

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

22640

Males

13664

M55-59

13664

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

23498

Males

14011

M55-59

14011

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

23038

Males

13801

M55-59

13801

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21457

Males

13065

M55-59

13065

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

21200

Males

12805

M55-59

12805

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

20209

Males

12241

M55-59

12241

20M→21M

20.0 - 21.0 mi

Top 71%
×8stories
+106ft-24ft

Overall

20263

Males

12160

M55-59

12160

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

19943

Males

11948

M55-59

11948

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21687

Males

12722

M55-59

12722

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

20889

Males

12291

M55-59

12291

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19887

Males

11749

M55-59

11749

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

20973

Males

12281

M55-59

12281

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21966

Males

12771

M55-59

12771

Passing Analysis

Category:
Athletes Passed
1438
Passed By
2696
Net Change
-1258
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20310
5K → 10K421016-974#20310#21284
10K → 15K81589-508#21284#21792
15K → 20K65625-560#21792#22352
20K → Half2251-29#22352#22381
Half → 25K20069+131#22381#22250
25K → 30K28596+189#22250#22061
30K → 20M18217+165#22061#21896
20M → 21M14834+114#21896#21782
21M → 35K8110+71#21782#21711
35K → 23M8872+16#21711#21695
23M → 24M6630+36#21695#21659
24M → 40K10617+89#21659#21570
40K → 25.2M2521+4#21570#21566
25.2M → Finish4749-2#21566#21568
TOTALS14382696-1258
📊

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