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BOSTON MARATHON 2025

Deng Hui Lien

Bib: 6734•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:52
Rank: #8112
Start → 5K
21:52 | 7:02/mi
10K· 6.21 mi
43:55
Rank: #8407 (-295)
5K → 10K
22:03 | 7:06/mi
15K· 9.32 mi
1:05:33
Rank: #7993 (+414)
10K → 15K
21:38 | 6:58/mi
20K· 12.43 mi
1:27:42
Rank: #7875 (+118)
15K → 20K
22:09 | 7:08/mi
Half· 13.11 mi
1:32:29
Rank: #7856 (+19)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:49:59
Rank: #7790 (+66)
Half → 25K
17:30 | 7:13/mi
30K· 18.64 mi
2:13:43
Rank: #7851 (-61)
25K → 30K
23:44 | 7:38/mi
20M
2:24:22
Rank: #7890 (-39)
30K → 20M
10:39 | 7:50/mi
21M
2:32:50
Rank: #7946 (-56)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:38:39
Rank: #8022 (-76)
21M → 35K
5:49 | 7:46/mi
23M
2:48:34
Rank: #8052 (-30)
35K → 23M
9:55 | 7:55/mi
24M
2:56:24
Rank: #8105 (-53)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
3:03:14
Rank: #8155 (-50)
24M → 40K
6:50 | 8:00/mi
25.2M
3:06:22
Rank: #8206 (-51)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:14:36
Rank: #8413 (-207)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:29
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:42:07
Pace7:47 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:4921:527:0221:52
7:02
-
10K
6.21 mi10:51:5243:557:0422:03
7:06
+0:04
15K
9.32 mi11:13:301:05:337:0221:38
6:58
-0:08
20K
12.43 mi11:35:391:27:427:0322:09
7:08
+0:10
Half
13.11 mi11:40:261:32:297:034:47
7:01
-0:07
25K
15.53 mi11:57:561:49:597:0517:30
7:13
+0:12
30K
18.64 mi12:21:402:13:437:1023:44
7:38
+0:25
20M
20.00 mi12:32:192:24:227:1310:39
7:50
+0:12
21M
21.00 mi12:40:472:32:507:178:28
8:28
+0:38
35K
21.75 mi12:46:362:38:397:185:49
7:46
-0:42
23M
23.00 mi12:56:312:48:347:209:55
7:55
+0:09
24M
24.00 mi13:04:212:56:247:217:50
7:50
-0:05
40K
24.85 mi13:11:113:03:147:226:50
8:00
+0:10
25.2M
25.20 mi13:14:193:06:227:243:08
9:05
+1:05
Finish
26.22 mi13:22:333:14:367:268:14
8:05
-1:00

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

6:58 /mi

Average Pace

7:26 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:59

57% of race

Time at Steady Pace

1:04:47

33% of race

Time at Slower Pace

19:50

10% of race

Average Pace: 7:25 /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 mi10:29:4921:527:0221:52
7:02
#8112
10K
6.21 mi10:51:5243:557:0422:03
7:06
#8407
15K
9.32 mi11:13:301:05:337:0221:38
6:58
#7993
20K
12.43 mi11:35:391:27:427:0322:09
7:08
#7875
Half
13.11 mi11:40:261:32:297:034:47
7:01
#7856
25K
15.53 mi11:57:561:49:597:0517:30
7:13
#7790
30K
18.64 mi12:21:402:13:437:1023:44
7:38
#7851
20M
20.00 mi12:32:192:24:227:1310:39
7:50
#7890
21M
21.00 mi12:40:472:32:507:178:28
8:28
#7946
35K
21.75 mi12:46:362:38:397:185:49
7:46
#8022
23M
23.00 mi12:56:312:48:347:209:55
7:55
#8052
24M
24.00 mi13:04:212:56:247:217:50
7:50
#8105
40K
24.85 mi13:11:113:03:147:226:50
8:00
#8155
25.2M
25.20 mi13:14:193:06:227:243:08
9:05
#8206
Finish
26.22 mi13:22:333:14:367:268:14
8:05
#8413
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8112707570757388(Top 26%)6539(Top 41%)6539(Top 116%)
10K6.21 mi3.10 mi8407-2957239-1647239-1648652(Top 30%)7392(Top 46%)7392(Top 131%)
15K9.32 mi3.11 mi7993+4146974+2656974+2657388(Top 26%)6539(Top 41%)6539(Top 116%)
20K12.43 mi3.11 mi7875+1186875+996875+997686(Top 27%)6669(Top 41%)6669(Top 118%)
Half13.11 mi0.68 mi7856+196859+166859+167668(Top 27%)6689(Top 42%)6689(Top 119%)
25K15.53 mi2.42 mi7790+666799+606799+607740(Top 27%)6600(Top 41%)6600(Top 117%)
30K18.64 mi3.11 mi7851-616789+106789+108735(Top 31%)6997(Top 43%)6997(Top 124%)
20M20.00 mi1.36 mi7890-396766+236766+239248(Top 33%)7124(Top 44%)7124(Top 126%)
21M21.00 mi1.00 mi7946-566769-36769-310213(Top 36%)7463(Top 46%)7463(Top 132%)
35K21.75 mi0.75 mi8022-766798-296798-2910566(Top 37%)7635(Top 47%)7635(Top 135%)
23M23.00 mi1.25 mi8052-306768+306768+309420(Top 33%)6930(Top 43%)6930(Top 123%)
24M24.00 mi1.00 mi8105-536766+26766+210015(Top 35%)7164(Top 44%)7164(Top 127%)
40K24.85 mi0.85 mi8155-506776-106776-1010101(Top 36%)7092(Top 44%)7092(Top 126%)
25.2M25.20 mi0.35 mi8206-516790-146790-1412174(Top 43%)8058(Top 50%)8058(Top 143%)
Finish26.22 mi1.02 mi8413-2076881-916881-9113393(Top 47%)8701(Top 54%)8701(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7388

Males

6539

M18-39

6539

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

8652

Males

7392

M18-39

7392

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7388

Males

6539

M18-39

6539

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7686

Males

6669

M18-39

6669

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7668

Males

6689

M18-39

6689

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7740

Males

6600

M18-39

6600

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8735

Males

6997

M18-39

6997

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9248

Males

7124

M18-39

7124

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10213

Males

7463

M18-39

7463

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

10566

Males

7635

M18-39

7635

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

9420

Males

6930

M18-39

6930

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

10015

Males

7164

M18-39

7164

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10101

Males

7092

M18-39

7092

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12174

Males

8058

M18-39

8058

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13393

Males

8701

M18-39

8701

Passing Analysis

Category:
Athletes Passed
1539
Passed By
1840
Net Change
-301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8112
5K → 10K105400-295#8112#8407
10K → 15K43218+414#8407#7993
15K → 20K19274+118#7993#7875
20K → Half3819+19#7875#7856
Half → 25K14478+66#7856#7790
25K → 30K172233-61#7790#7851
30K → 20M81120-39#7851#7890
20M → 21M88144-56#7890#7946
21M → 35K38114-76#7946#8022
35K → 23M103133-30#8022#8052
23M → 24M61114-53#8052#8105
24M → 40K4797-50#8105#8155
40K → 25.2M1869-51#8155#8206
25.2M → Finish20227-207#8206#8413
TOTALS15391840-301
📊

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