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BOSTON MARATHON 2026

Guohui Liu

Bib: 25091•F

MA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F55-59)
#0 / 951
Top 33%
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
26:54
3.11 mi
Rank: #20972
Start → 5K
26:54 | 8:40/mi
10K
53:46
6.21 mi
Rank: #21063 (-91)
5K → 10K
26:52 | 8:39/mi
15K
1:20:29
9.32 mi
Rank: #20936 (+127)
10K → 15K
26:43 | 8:36/mi
20K
1:47:25
12.43 mi
Rank: #20752 (+184)
15K → 20K
26:56 | 8:41/mi
HALF
1:53:19
13.11 mi
Rank: #20757 (-5)
20K → HALF
5:54 | 8:40/mi
25K
2:14:51
15.53 mi
Rank: #20732 (+25)
HALF → 25K
21:32 | 8:53/mi
30K
2:42:51
18.64 mi
Rank: #20533 (+199)
25K → 30K
28:00 | 9:01/mi
20M
2:55:03
20.00 mi
Rank: #20381 (+152)
30K → 20M
12:12 | 8:59/mi
21M
3:04:26
21.00 mi
Rank: #20254 (+127)
20M → 21M
9:23 | 9:23/mi
35K
3:10:51
21.75 mi
Rank: #20179 (+75)
21M → 35K
6:25 | 8:35/mi
23M
3:21:32
23.00 mi
Rank: #19942 (+237)
35K → 23M
10:41 | 8:33/mi
24M
3:29:55
24.00 mi
Rank: #19782 (+160)
23M → 24M
8:23 | 8:23/mi
40K
3:37:15
24.85 mi
Rank: #19658 (+124)
24M → 40K
7:20 | 8:35/mi
25.2M
3:40:29
25.20 mi
Rank: #19604 (+54)
40K → 25.2M
3:14 | 9:23/mi
FINISH
3:49:15
26.22 mi
Rank: #19585 (+19)
25.2M → FINISH
8:46 | 8:37/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:19
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time1:55:56
Pace8:51 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:33:1226:548:4026:54
8:40
-
10K
6.21 mi12:00:0453:468:4026:52
8:39
-0:01
15K
9.32 mi12:26:471:20:298:3926:43
8:36
-0:03
20K
12.43 mi12:53:431:47:258:3926:56
8:41
+0:05
HALF
13.11 mi12:59:371:53:198:395:54
8:40
-0:01
25K
15.53 mi13:21:092:14:518:4121:32
8:53
+0:13
30K
18.64 mi13:49:092:42:518:4528:00
9:01
+0:08
20M
20.00 mi14:01:212:55:038:4612:12
8:59
-0:02
21M
21.00 mi14:10:443:04:268:479:23
9:23
+0:24
35K
21.75 mi14:17:093:10:518:476:25
8:35
-0:48
23M
23.00 mi14:27:503:21:328:4610:41
8:33
-0:02
24M
24.00 mi14:36:133:29:558:458:23
8:23
-0:10
40K
24.85 mi14:43:333:37:158:457:20
8:35
+0:12
25.2M
25.20 mi14:46:473:40:298:453:14
9:23
+0:48
FINISH
26.22 mi14:55:333:49:158:458:46
8:37
-0:46

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

8:23 /mi

Average Pace

8:45 /mi

Slowest Pace

9:23 /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

3:36:38

94% of race

Time at Steady Pace

12:37

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /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 mi11:33:1226:548:4026:54
8:40
#20972
10K
6.21 mi12:00:0453:468:4026:52
8:39
#21063
15K
9.32 mi12:26:471:20:298:3926:43
8:36
#20936
20K
12.43 mi12:53:431:47:258:3926:56
8:41
#20752
HALF
13.11 mi12:59:371:53:198:395:54
8:40
#20757
25K
15.53 mi13:21:092:14:518:4121:32
8:53
#20732
30K
18.64 mi13:49:092:42:518:4528:00
9:01
#20533
20M
20.00 mi14:01:212:55:038:4612:12
8:59
#20381
21M
21.00 mi14:10:443:04:268:479:23
9:23
#20254
35K
21.75 mi14:17:093:10:518:476:25
8:35
#20179
23M
23.00 mi14:27:503:21:328:4610:41
8:33
#19942
24M
24.00 mi14:36:133:29:558:458:23
8:23
#19782
40K
24.85 mi14:43:333:37:158:457:20
8:35
#19658
25.2M
25.20 mi14:46:473:40:298:453:14
9:23
#19604
FINISH
26.22 mi14:55:333:49:158:458:46
8:37
#19585
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi209728152815220680(Top 71%)7945(Top 63%)7945(Top 835%)
10K6.21 mi3.10 mi21063-918179-278179-2721158(Top 73%)8208(Top 65%)8208(Top 863%)
15K9.32 mi3.11 mi20936+1278100+798100+7920680(Top 71%)7945(Top 63%)7945(Top 835%)
20K12.43 mi3.11 mi20752+1848018+828018+8220280(Top 70%)7779(Top 62%)7779(Top 818%)
HALF13.11 mi0.68 mi20757-58023-58023-521121(Top 73%)8172(Top 65%)8172(Top 859%)
25K15.53 mi2.42 mi20732+258029-68029-620620(Top 71%)7977(Top 63%)7977(Top 839%)
30K18.64 mi3.11 mi20533+1997941+887941+8819645(Top 68%)7562(Top 60%)7562(Top 795%)
20M20.00 mi1.36 mi20381+1527865+767865+7618874(Top 65%)7223(Top 57%)7223(Top 760%)
21M21.00 mi1.00 mi20254+1277816+497816+4918034(Top 62%)6814(Top 54%)6814(Top 717%)
35K21.75 mi0.75 mi20179+757782+347782+3418056(Top 62%)6930(Top 55%)6930(Top 729%)
23M23.00 mi1.25 mi19942+2377683+997683+9915963(Top 55%)5835(Top 46%)5835(Top 614%)
24M24.00 mi1.00 mi19782+1607621+627621+6216265(Top 56%)6065(Top 48%)6065(Top 638%)
40K24.85 mi0.85 mi19658+1247560+617560+6116210(Top 56%)6104(Top 49%)6104(Top 642%)
25.2M25.20 mi0.35 mi19604+547537+237537+2316813(Top 58%)6419(Top 51%)6419(Top 675%)
FINISH26.22 mi1.02 mi19585+197532+57532+518701(Top 64%)7407(Top 59%)7407(Top 779%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21
+97ft-345ft

Overall

20680

Females

7945

F55-59

7945

5K→10K

3.1 - 6.2 mi

Top 73%
×5
+79ft-138ft

Overall

21158

Females

8208

F55-59

8208

10K→15K

6.2 - 9.3 mi

Top 71%
×3
+67ft-78ft

Overall

20680

Females

7945

F55-59

7945

15K→20K

9.3 - 12.4 mi

Top 70%
×5
+106ft-86ft

Overall

20280

Females

7779

F55-59

7779

20K→HALF

12.4 - 13.1 mi

Top 73%
×2
+19ft-37ft

Overall

21121

Females

8172

F55-59

8172

HALF→25K

13.1 - 15.5 mi

Top 71%
×4
+66ft-88ft

Overall

20620

Females

7977

F55-59

7977

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19645

Females

7562

F55-59

7562

30K→20M

18.6 - 20.0 mi

Top 65%
×5
+64ft-50ft

Overall

18874

Females

7223

F55-59

7223

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

18034

Females

6814

F55-59

6814

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

18056

Females

6930

F55-59

6930

35K→23M

21.8 - 23.0 mi

Top 55%
×5
+23ft-63ft

Overall

15963

Females

5835

F55-59

5835

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16265

Females

6065

F55-59

6065

24M→40K

24.0 - 24.9 mi

Top 56%
×1
+6ft-20ft

Overall

16210

Females

6104

F55-59

6104

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16813

Females

6419

F55-59

6419

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
×2
+22ft-21ft

Overall

18701

Females

7407

F55-59

7407

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2213*
Passed By
735
Net Change
+1387
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20972
5K → 10K200200-91#20972#21063
10K → 15K252*125+127#21063#20936
15K → 20K268*84+184#20936#20752
20K → HALF2934-5#20752#20757
HALF → 25K125100+25#20757#20732
25K → 30K274*75+199#20732#20533
30K → 20M17119+152#20533#20381
20M → 21M14619+127#20381#20254
21M → 35K838+75#20254#20179
35K → 23M243*6+237#20179#19942
23M → 24M1666+160#19942#19782
24M → 40K1295+124#19782#19658
40K → 25.2M628+54#19658#19604
25.2M → FINISH6546+19#19604#19585
TOTALS2213*735+1387

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing