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BOSTON MARATHON 2026

Xiaoqing Guo

Bib: 3027•M

NY

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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
Race Day Weather
51°/41°F
overcast 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
23:38
3.11 mi
Rank: #13706
Start → 5K
23:38 | 7:37/mi
10K
47:49
6.21 mi
Rank: #14590 (-884)
5K → 10K
24:11 | 7:48/mi
15K
1:12:03
9.32 mi
Rank: #14794 (-204)
10K → 15K
24:14 | 7:48/mi
20K
1:36:55
12.43 mi
Rank: #15158 (-364)
15K → 20K
24:52 | 8:01/mi
HALF
1:42:18
13.11 mi
Rank: #15213 (-55)
20K → HALF
5:23 | 7:54/mi
25K
2:04:01
15.53 mi
Rank: #16433 (-1220)
HALF → 25K
21:43 | 8:58/mi
30K
2:43:51
18.64 mi
Rank: #20789 (-4356)
25K → 30K
39:50 | 12:50/mi
20M
3:02:56
20.00 mi
Rank: #22183 (-1394)
30K → 20M
19:05 | 14:03/mi
21M
3:16:16
21.00 mi
Rank: #22679 (-496)
20M → 21M
13:20 | 13:20/mi
35K
3:24:40
21.75 mi
Rank: #22826 (-147)
21M → 35K
8:24 | 11:14/mi
23M
3:41:19
23.00 mi
Rank: #23320 (-494)
35K → 23M
16:39 | 13:19/mi
24M
3:54:05
24.00 mi
Rank: #23636 (-316)
23M → 24M
12:46 | 12:46/mi
40K
4:04:33
24.85 mi
Rank: #23780 (-144)
24M → 40K
10:28 | 12:15/mi
25.2M
4:08:29
25.20 mi
Rank: #23779 (+1)
40K → 25.2M
3:56 | 11:25/mi
FINISH
4:18:47
26.22 mi
Rank: #23789 (-10)
25.2M → FINISH
10:18 | 10:07/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:18
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time2:36:29
Pace11:57 /mi
📊Positive Split: 53.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1823:387:3723:38
7:37
-
10K
6.21 mi10:49:2947:497:4224:11
7:48
+0:11
15K
9.32 mi11:13:431:12:037:4424:14
7:48
0:00
20K
12.43 mi11:38:351:36:557:4824:52
8:01
+0:13
HALF
13.11 mi11:43:581:42:187:495:23
7:54
-0:07
25K
15.53 mi12:05:412:04:018:0021:43
8:58
+1:04
30K
18.64 mi12:45:312:43:518:4839:50
12:50
+3:52
20M
20.00 mi13:04:363:02:569:0919:05
14:03
+1:13
21M
21.00 mi13:17:563:16:169:2113:20
13:20
-0:43
35K
21.75 mi13:26:203:24:409:258:24
11:14
-2:06
23M
23.00 mi13:42:593:41:199:3816:39
13:19
+2:05
24M
24.00 mi13:55:453:54:059:4612:46
12:46
-0:33
40K
24.85 mi14:06:134:04:339:5110:28
12:15
-0:31
25.2M
25.20 mi14:10:094:08:299:523:56
11:25
-0:50
FINISH
26.22 mi14:20:274:18:479:5310:18
10:07
-1:18

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

7:37 /mi

Average Pace

9:53 /mi

Slowest Pace

14:03 /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

2:04:01

48% of race

Time at Steady Pace

33:06

13% of race

Time at Slower Pace

1:41:40

39% of race

Average Pace: 9:52 /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 mi10:25:1823:387:3723:38
7:37
#13706
10K
6.21 mi10:49:2947:497:4224:11
7:48
#14590
15K
9.32 mi11:13:431:12:037:4424:14
7:48
#14794
20K
12.43 mi11:38:351:36:557:4824:52
8:01
#15158
HALF
13.11 mi11:43:581:42:187:495:23
7:54
#15213
25K
15.53 mi12:05:412:04:018:0021:43
8:58
#16433
30K
18.64 mi12:45:312:43:518:4839:50
12:50
#20789
20M
20.00 mi13:04:363:02:569:0919:05
14:03
#22183
21M
21.00 mi13:17:563:16:169:2113:20
13:20
#22679
35K
21.75 mi13:26:203:24:409:258:24
11:14
#22826
23M
23.00 mi13:42:593:41:199:3816:39
13:19
#23320
24M
24.00 mi13:55:453:54:059:4612:46
12:46
#23636
40K
24.85 mi14:06:134:04:339:5110:28
12:15
#23780
25.2M
25.20 mi14:10:094:08:299:523:56
11:25
#23779
FINISH
26.22 mi14:20:274:18:479:5310:18
10:07
#23789
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 mi137069757975715344(Top 53%)10338(Top 63%)10338(Top 181%)
10K6.21 mi3.10 mi14590-88410092-33510092-33515483(Top 53%)10424(Top 64%)10424(Top 182%)
15K9.32 mi3.11 mi14794-20410125-3310125-3315344(Top 53%)10338(Top 63%)10338(Top 181%)
20K12.43 mi3.11 mi15158-36410251-12610251-12616145(Top 56%)10623(Top 65%)10623(Top 186%)
HALF13.11 mi0.68 mi15213-5510275-2410275-2416309(Top 56%)10743(Top 66%)10743(Top 188%)
25K15.53 mi2.42 mi16433-122010754-47910754-47920983(Top 72%)12738(Top 78%)12738(Top 223%)
30K18.64 mi3.11 mi20789-435612628-187412628-187427577(Top 95%)15715(Top 96%)15715(Top 275%)
20M20.00 mi1.36 mi22183-139413304-67613304-67628136(Top 97%)15918(Top 97%)15918(Top 278%)
21M21.00 mi1.00 mi22679-49613514-21013514-21026713(Top 92%)15218(Top 93%)15218(Top 266%)
35K21.75 mi0.75 mi22826-14713575-6113575-6125629(Top 88%)14683(Top 90%)14683(Top 257%)
23M23.00 mi1.25 mi23320-49413809-23413809-23427634(Top 95%)15654(Top 96%)15654(Top 274%)
24M24.00 mi1.00 mi23636-31613959-15013959-15027436(Top 95%)15505(Top 95%)15505(Top 271%)
40K24.85 mi0.85 mi23780-14414019-6014019-6026206(Top 90%)14860(Top 91%)14860(Top 260%)
25.2M25.20 mi0.35 mi23779+114011+814011+823298(Top 80%)13444(Top 82%)13444(Top 235%)
FINISH26.22 mi1.02 mi23789-1013998+1313998+1324124(Top 83%)13857(Top 85%)13857(Top 242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21
+97ft-345ft

Overall

15344

Males

10338

M18-39

10338

5K→10K

3.1 - 6.2 mi

Top 53%
×5
+79ft-138ft

Overall

15483

Males

10424

M18-39

10424

10K→15K

6.2 - 9.3 mi

Top 53%
×3
+67ft-78ft

Overall

15344

Males

10338

M18-39

10338

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16145

Males

10623

M18-39

10623

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16309

Males

10743

M18-39

10743

HALF→25K

13.1 - 15.5 mi

Top 72%
×4
+66ft-88ft

Overall

20983

Males

12738

M18-39

12738

25K→30K

15.5 - 18.6 mi

Top 95%
×9
+181ft-148ft

Overall

27577

Males

15715

M18-39

15715

30K→20M

18.6 - 20.0 mi

Top 97%
×5
+64ft-50ft

Overall

28136

Males

15918

M18-39

15918

20M→21M

20.0 - 21.0 mi

Top 92%
×8
+106ft-24ft

Overall

26713

Males

15218

M18-39

15218

21M→35K

21.0 - 21.8 mi

Top 88%
×7
+17ft-86ft

Overall

25629

Males

14683

M18-39

14683

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27634

Males

15654

M18-39

15654

23M→24M

23.0 - 24.0 mi

Top 95%
×6
+12ft-82ft

Overall

27436

Males

15505

M18-39

15505

24M→40K

24.0 - 24.9 mi

Top 90%
×1
+6ft-20ft

Overall

26206

Males

14860

M18-39

14860

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1
+13ft-16ft

Overall

23298

Males

13444

M18-39

13444

25.2M→FINISH

25.2 - 26.2 mi

Top 83%
×2
+22ft-21ft

Overall

24124

Males

13857

M18-39

13857

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
457
Passed By
10540
Net Change
-10083
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13706
5K → 10K75959-884#13706#14590
10K → 15K140344-204#14590#14794
15K → 20K82446-364#14794#15158
20K → HALF2075-55#15158#15213
HALF → 25K121232-1220#15213#16433
25K → 30K54361-4356#16433#20789
30K → 20M41398-1394#20789#22183
20M → 21M11507-496#22183#22679
21M → 35K5152-147#22679#22826
35K → 23M2496-494#22826#23320
23M → 24M11327-316#23320#23636
24M → 40K20164-144#23636#23780
40K → 25.2M2524+1#23780#23779
25.2M → FINISH4555-10#23779#23789
TOTALS45710540-10083
📊

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