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BOSTON MARATHON 2025

Guoqiang Chen

Bib: 14865•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 43%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 45%
Division (M50-54)
#0 / 1996
Top 49%
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
23:11
Rank: #11889
Start → 5K
23:11 | 7:28/mi
10K· 6.21 mi
46:16
Rank: #11659 (+230)
5K → 10K
23:05 | 7:26/mi
15K· 9.32 mi
1:09:31
Rank: #11598 (+61)
10K → 15K
23:15 | 7:29/mi
20K· 12.43 mi
1:32:40
Rank: #11280 (+318)
15K → 20K
23:09 | 7:27/mi
Half· 13.11 mi
1:37:47
Rank: #11304 (-24)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:56:06
Rank: #11118 (+186)
Half → 25K
18:19 | 7:33/mi
30K· 18.64 mi
2:20:40
Rank: #10995 (+123)
25K → 30K
24:34 | 7:54/mi
20M
2:34:27
Rank: #12095 (-1100)
30K → 20M
13:47 | 10:09/mi
21M
2:43:21
Rank: #12120 (-25)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:49:31
Rank: #12183 (-63)
21M → 35K
6:10 | 8:15/mi
23M
3:00:18
Rank: #12274 (-91)
35K → 23M
10:47 | 8:37/mi
24M
3:08:19
Rank: #12226 (+48)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:15:20
Rank: #12171 (+55)
24M → 40K
7:01 | 8:12/mi
25.2M
3:18:26
Rank: #12158 (+13)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:26:20
Rank: #12087 (+71)
25.2M → Finish
7:54 | 7:45/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:47
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:48:33
Pace8:17 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4423:117:2823:11
7:28
-
10K
6.21 mi11:16:4946:167:2723:05
7:26
-0:02
15K
9.32 mi11:40:041:09:317:2823:15
7:29
+0:03
20K
12.43 mi12:03:131:32:407:2723:09
7:27
-0:02
Half
13.11 mi12:08:201:37:477:285:07
7:30
+0:03
25K
15.53 mi12:26:391:56:067:2818:19
7:33
+0:03
30K
18.64 mi12:51:132:20:407:3324:34
7:54
+0:21
20M
20.00 mi13:05:002:34:277:4313:47
10:09
+2:15
21M
21.00 mi13:13:542:43:217:478:54
8:54
-1:15
35K
21.75 mi13:20:042:49:317:486:10
8:15
-0:39
23M
23.00 mi13:30:513:00:187:5010:47
8:37
+0:22
24M
24.00 mi13:38:523:08:197:518:01
8:01
-0:36
40K
24.85 mi13:45:533:15:207:527:01
8:12
+0:11
25.2M
25.20 mi13:48:593:18:267:523:06
8:59
+0:47
Finish
26.22 mi13:56:533:26:207:537:54
7:45
-1:14

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

7:26 /mi

Average Pace

7:53 /mi

Slowest Pace

10:09 /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

1:37:47

47% of race

Time at Steady Pace

1:11:59

35% of race

Time at Slower Pace

36:34

18% of race

Average Pace: 7:52 /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 mi10:53:4423:117:2823:11
7:28
#11889
10K
6.21 mi11:16:4946:167:2723:05
7:26
#11659
15K
9.32 mi11:40:041:09:317:2823:15
7:29
#11598
20K
12.43 mi12:03:131:32:407:2723:09
7:27
#11280
Half
13.11 mi12:08:201:37:477:285:07
7:30
#11304
25K
15.53 mi12:26:391:56:067:2818:19
7:33
#11118
30K
18.64 mi12:51:132:20:407:3324:34
7:54
#10995
20M
20.00 mi13:05:002:34:277:4313:47
10:09
#12095
21M
21.00 mi13:13:542:43:217:478:54
8:54
#12120
35K
21.75 mi13:20:042:49:317:486:10
8:15
#12183
23M
23.00 mi13:30:513:00:187:5010:47
8:37
#12274
24M
24.00 mi13:38:523:08:197:518:01
8:01
#12226
40K
24.85 mi13:45:533:15:207:527:01
8:12
#12171
25.2M
25.20 mi13:48:593:18:267:523:06
8:59
#12158
Finish
26.22 mi13:56:533:26:207:537:54
7:45
#12087
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi118899124912411614(Top 41%)8890(Top 55%)8890(Top 445%)
10K6.21 mi3.10 mi11659+2309002+1229002+12211443(Top 40%)8877(Top 55%)8877(Top 445%)
15K9.32 mi3.11 mi11598+618946+568946+5611614(Top 41%)8890(Top 55%)8890(Top 445%)
20K12.43 mi3.11 mi11280+3188752+1948752+19410350(Top 36%)8194(Top 51%)8194(Top 411%)
Half13.11 mi0.68 mi11304-248769-178769-1711652(Top 41%)8862(Top 55%)8862(Top 444%)
25K15.53 mi2.42 mi11118+1868637+1328637+13210399(Top 37%)8091(Top 50%)8091(Top 405%)
30K18.64 mi3.11 mi10995+1238498+1398498+13910690(Top 38%)8024(Top 50%)8024(Top 402%)
20M20.00 mi1.36 mi12095-11008983-4858983-48521405(Top 75%)12769(Top 79%)12769(Top 640%)
21M21.00 mi1.00 mi12120-258954+298954+2912896(Top 45%)8796(Top 55%)8796(Top 441%)
35K21.75 mi0.75 mi12183-638953+18953+113853(Top 49%)9204(Top 57%)9204(Top 461%)
23M23.00 mi1.25 mi12274-918960-78960-713979(Top 49%)9152(Top 57%)9152(Top 459%)
24M24.00 mi1.00 mi12226+488909+518909+5111334(Top 40%)7825(Top 49%)7825(Top 392%)
40K24.85 mi0.85 mi12171+558845+648845+6411577(Top 41%)7855(Top 49%)7855(Top 394%)
25.2M25.20 mi0.35 mi12158+138823+228823+2211705(Top 41%)7839(Top 49%)7839(Top 393%)
Finish26.22 mi1.02 mi12087+718768+558768+5511074(Top 39%)7551(Top 47%)7551(Top 378%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

11614

Males

8890

M50-54

8890

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

11443

Males

8877

M50-54

8877

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

11614

Males

8890

M50-54

8890

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10350

Males

8194

M50-54

8194

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

11652

Males

8862

M50-54

8862

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

10399

Males

8091

M50-54

8091

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10690

Males

8024

M50-54

8024

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21405

Males

12769

M50-54

12769

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12896

Males

8796

M50-54

8796

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13853

Males

9204

M50-54

9204

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13979

Males

9152

M50-54

9152

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

11334

Males

7825

M50-54

7825

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

11577

Males

7855

M50-54

7855

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11705

Males

7839

M50-54

7839

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2stories
+22ft-21ft

Overall

11074

Males

7551

M50-54

7551

Passing Analysis

Category:
Athletes Passed
2114
Passed By
2312
Net Change
-198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11889
5K → 10K386156+230#11889#11659
10K → 15K215154+61#11659#11598
15K → 20K36446+318#11598#11280
20K → Half2549-24#11280#11304
Half → 25K25468+186#11304#11118
25K → 30K291168+123#11118#10995
30K → 20M151115-1100#10995#12095
20M → 21M95120-25#12095#12120
21M → 35K47110-63#12120#12183
35K → 23M81172-91#12183#12274
23M → 24M9648+48#12274#12226
24M → 40K10045+55#12226#12171
40K → 25.2M3926+13#12171#12158
25.2M → Finish10635+71#12158#12087
TOTALS21142312-198
📊

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