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BOSTON MARATHON 2025

Xiaoqing Guo

Bib: 2467•M

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0:00
0:00
/ mi
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Overall
#0 / 28404
Top 27%
Gender (Male)
#0 / 16105
Top 40%
Age Group (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
19:57
Rank: #3280
Start → 5K
19:57 | 6:25/mi
10K· 6.21 mi
40:04
Rank: #3397 (-117)
5K → 10K
20:07 | 6:28/mi
15K· 9.32 mi
1:04:19
Rank: #7076 (-3679)
10K → 15K
24:15 | 7:48/mi
20K· 12.43 mi
1:27:17
Rank: #7644 (-568)
15K → 20K
22:58 | 7:24/mi
Half· 13.11 mi
1:31:54
Rank: #7557 (+87)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:49:33
Rank: #7596 (-39)
Half → 25K
17:39 | 7:17/mi
30K· 18.64 mi
2:13:14
Rank: #7654 (-58)
25K → 30K
23:41 | 7:37/mi
20M
2:23:43
Rank: #7648 (+6)
30K → 20M
10:29 | 7:43/mi
21M
2:32:05
Rank: #7697 (-49)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:37:55
Rank: #7761 (-64)
21M → 35K
5:50 | 7:48/mi
23M
2:48:30
Rank: #8024 (-263)
35K → 23M
10:35 | 8:27/mi
24M
2:56:08
Rank: #8014 (+10)
23M → 24M
7:38 | 7:38/mi
40K· 24.85 mi
3:02:58
Rank: #8069 (-55)
24M → 40K
6:50 | 8:00/mi
25.2M
3:05:47
Rank: #8033 (+36)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:12:28
Rank: #7734 (+299)
25.2M → Finish
6:41 | 6:34/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via Half
Distance13.11 mi
Time1:31:54
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:40:34
Pace7:40 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4919:576:2519:57
6:25
-
10K
6.21 mi10:41:5640:046:2720:07
6:28
+0:03
15K
9.32 mi11:06:111:04:196:5424:15
7:48
+1:20
20K
12.43 mi11:29:091:27:177:0122:58
7:24
-0:24
Half
13.11 mi11:33:461:31:547:014:37
6:46
-0:38
25K
15.53 mi11:51:251:49:337:0317:39
7:17
+0:31
30K
18.64 mi12:15:062:13:147:0923:41
7:37
+0:20
20M
20.00 mi12:25:352:23:437:1110:29
7:43
+0:06
21M
21.00 mi12:33:572:32:057:158:22
8:22
+0:39
35K
21.75 mi12:39:472:37:557:165:50
7:48
-0:34
23M
23.00 mi12:50:222:48:307:2010:35
8:27
+0:39
24M
24.00 mi12:58:002:56:087:207:38
7:38
-0:49
40K
24.85 mi13:04:503:02:587:226:50
8:00
+0:22
25.2M
25.20 mi13:07:393:05:477:222:49
8:10
+0:10
Finish
26.22 mi13:14:203:12:287:216:41
6:34
-1:36

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:25 /mi

Average Pace

7:21 /mi

Slowest Pace

8:27 /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

1:09:01

36% of race

Time at Steady Pace

1:34:51

49% of race

Time at Slower Pace

28:36

15% of race

Average Pace: 7:20 /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 mi10:21:4919:576:2519:57
6:25
#3280
10K
6.21 mi10:41:5640:046:2720:07
6:28
#3397
15K
9.32 mi11:06:111:04:196:5424:15
7:48
#7076
20K
12.43 mi11:29:091:27:177:0122:58
7:24
#7644
Half
13.11 mi11:33:461:31:547:014:37
6:46
#7557
25K
15.53 mi11:51:251:49:337:0317:39
7:17
#7596
30K
18.64 mi12:15:062:13:147:0923:41
7:37
#7654
20M
20.00 mi12:25:352:23:437:1110:29
7:43
#7648
21M
21.00 mi12:33:572:32:057:158:22
8:22
#7697
35K
21.75 mi12:39:472:37:557:165:50
7:48
#7761
23M
23.00 mi12:50:222:48:307:2010:35
8:27
#8024
24M
24.00 mi12:58:002:56:087:207:38
7:38
#8014
40K
24.85 mi13:04:503:02:587:226:50
8:00
#8069
25.2M
25.20 mi13:07:393:05:477:222:49
8:10
#8033
Finish
26.22 mi13:14:203:12:287:216:41
6:34
#7734
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi32803115311514396(Top 51%)10091(Top 63%)10091(Top 179%)
10K6.21 mi3.10 mi3397-1173226-1113226-1113561(Top 13%)3372(Top 21%)3372(Top 60%)
15K9.32 mi3.11 mi7076-36796342-31166342-311614396(Top 51%)10091(Top 63%)10091(Top 179%)
20K12.43 mi3.11 mi7644-5686727-3856727-3859821(Top 35%)7905(Top 49%)7905(Top 140%)
Half13.11 mi0.68 mi7557+876664+636664+635878(Top 21%)5365(Top 33%)5365(Top 95%)
25K15.53 mi2.42 mi7596-396671-76671-78189(Top 29%)6871(Top 43%)6871(Top 122%)
30K18.64 mi3.11 mi7654-586657+146657+148611(Top 30%)6936(Top 43%)6936(Top 123%)
20M20.00 mi1.36 mi7648+66623+346623+348413(Top 30%)6668(Top 41%)6668(Top 118%)
21M21.00 mi1.00 mi7697-496618+56618+59600(Top 34%)7143(Top 44%)7143(Top 127%)
35K21.75 mi0.75 mi7761-646633-156633-1510735(Top 38%)7717(Top 48%)7717(Top 137%)
23M23.00 mi1.25 mi8024-2636752-1196752-11912979(Top 46%)8677(Top 54%)8677(Top 154%)
24M24.00 mi1.00 mi8014+106706+466706+468622(Top 30%)6442(Top 40%)6442(Top 114%)
40K24.85 mi0.85 mi8069-556714-86714-810099(Top 36%)7090(Top 44%)7090(Top 126%)
25.2M25.20 mi0.35 mi8033+366681+336681+336841(Top 24%)5260(Top 33%)5260(Top 93%)
Finish26.22 mi1.02 mi7734+2996466+2156466+2153127(Top 11%)2782(Top 17%)2782(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14396

Males

10091

M18-39

10091

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3561

Males

3372

M18-39

3372

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14396

Males

10091

M18-39

10091

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9821

Males

7905

M18-39

7905

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5878

Males

5365

M18-39

5365

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8189

Males

6871

M18-39

6871

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8611

Males

6936

M18-39

6936

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8413

Males

6668

M18-39

6668

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9600

Males

7143

M18-39

7143

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10735

Males

7717

M18-39

7717

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12979

Males

8677

M18-39

8677

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8622

Males

6442

M18-39

6442

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10099

Males

7090

M18-39

7090

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6841

Males

5260

M18-39

5260

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3127

Males

2782

M18-39

2782

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1219
Passed By
5673
Net Change
-4454
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3280
5K → 10K83200-117#3280#3397
10K → 15K03679-3679#3397#7076
15K → 20K32600-568#7076#7644
20K → Half881+87#7644#7557
Half → 25K99138-39#7557#7596
25K → 30K170228-58#7596#7654
30K → 20M9791+6#7654#7648
20M → 21M77126-49#7648#7697
21M → 35K43107-64#7697#7761
35K → 23M51314-263#7761#8024
23M → 24M7969+10#8024#8014
24M → 40K52107-55#8014#8069
40K → 25.2M4812+36#8069#8033
25.2M → Finish3001+299#8033#7734
TOTALS12195673-4454
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing