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BOSTON MARATHON 2026

Lin Guo

Bib: 19024•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 40%
Masters (Masters Women)
#0 / 6862
Top 24%
Age Group (F40-44)
#0 / 1737
Top 49%
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
24:34
3.11 mi
Rank: #16258
Start → 5K
24:34 | 7:55/mi
10K
49:02
6.21 mi
Rank: #16235 (+23)
5K → 10K
24:28 | 7:53/mi
15K
1:13:44
9.32 mi
Rank: #16359 (-124)
10K → 15K
24:42 | 7:58/mi
20K
1:38:32
12.43 mi
Rank: #16254 (+105)
15K → 20K
24:48 | 7:59/mi
HALF
1:43:51
13.11 mi
Rank: #16214 (+40)
20K → HALF
5:19 | 7:48/mi
25K
2:03:11
15.53 mi
Rank: #16013 (+201)
HALF → 25K
19:20 | 7:59/mi
30K
2:28:42
18.64 mi
Rank: #15819 (+194)
25K → 30K
25:31 | 8:13/mi
20M
2:39:59
20.00 mi
Rank: #15730 (+89)
30K → 20M
11:17 | 8:19/mi
21M
2:48:40
21.00 mi
Rank: #15610 (+120)
20M → 21M
8:41 | 8:41/mi
35K
2:54:20
21.75 mi
Rank: #15424 (+186)
21M → 35K
5:40 | 7:35/mi
23M
3:04:40
23.00 mi
Rank: #15358 (+66)
35K → 23M
10:20 | 8:16/mi
24M
3:12:40
24.00 mi
Rank: #15280 (+78)
23M → 24M
8:00 | 8:00/mi
40K
3:19:36
24.85 mi
Rank: #15168 (+112)
24M → 40K
6:56 | 8:07/mi
25.2M
3:22:37
25.20 mi
Rank: #15121 (+47)
40K → 25.2M
3:01 | 8:45/mi
FINISH
3:30:34
26.22 mi
Rank: #15076 (+45)
25.2M → FINISH
7:57 | 7:49/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:51
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:46:43
Pace8:09 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:07:4924:347:5524:34
7:55
-
10K
6.21 mi11:32:1749:027:5424:28
7:53
-0:02
15K
9.32 mi11:56:591:13:447:5524:42
7:58
+0:05
20K
12.43 mi12:21:471:38:327:5624:48
7:59
+0:01
HALF
13.11 mi12:27:061:43:517:565:19
7:48
-0:11
25K
15.53 mi12:46:262:03:117:5619:20
7:59
+0:11
30K
18.64 mi13:11:572:28:427:5925:31
8:13
+0:14
20M
20.00 mi13:23:142:39:598:0011:17
8:19
+0:06
21M
21.00 mi13:31:552:48:408:028:41
8:41
+0:22
35K
21.75 mi13:37:352:54:208:015:40
7:35
-1:06
23M
23.00 mi13:47:553:04:408:0210:20
8:16
+0:41
24M
24.00 mi13:55:553:12:408:028:00
8:00
-0:16
40K
24.85 mi14:02:513:19:368:026:56
8:07
+0:07
25.2M
25.20 mi14:05:523:22:378:033:01
8:45
+0:38
FINISH
26.22 mi14:13:493:30:348:037:57
7:49
-0:56

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

7:35 /mi

Average Pace

8:02 /mi

Slowest Pace

8:45 /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

3:18:52

94% of race

Time at Steady Pace

11:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:02 /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 mi11:07:4924:347:5524:34
7:55
#16258
10K
6.21 mi11:32:1749:027:5424:28
7:53
#16235
15K
9.32 mi11:56:591:13:447:5524:42
7:58
#16359
20K
12.43 mi12:21:471:38:327:5624:48
7:59
#16254
HALF
13.11 mi12:27:061:43:517:565:19
7:48
#16214
25K
15.53 mi12:46:262:03:117:5619:20
7:59
#16013
30K
18.64 mi13:11:572:28:427:5925:31
8:13
#15819
20M
20.00 mi13:23:142:39:598:0011:17
8:19
#15730
21M
21.00 mi13:31:552:48:408:028:41
8:41
#15610
35K
21.75 mi13:37:352:54:208:015:40
7:35
#15424
23M
23.00 mi13:47:553:04:408:0210:20
8:16
#15358
24M
24.00 mi13:55:553:12:408:028:00
8:00
#15280
40K
24.85 mi14:02:513:19:368:026:56
8:07
#15168
25.2M
25.20 mi14:05:523:22:378:033:01
8:45
#15121
FINISH
26.22 mi14:13:493:30:348:037:57
7:49
#15076
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi162585473547316616(Top 57%)5678(Top 45%)5678(Top 327%)
10K6.21 mi3.10 mi16235+235477-45477-416261(Top 56%)5470(Top 43%)5470(Top 315%)
15K9.32 mi3.11 mi16359-1245559-825559-8216616(Top 57%)5678(Top 45%)5678(Top 327%)
20K12.43 mi3.11 mi16254+1055503+565503+5615990(Top 55%)5372(Top 43%)5372(Top 309%)
HALF13.11 mi0.68 mi16214+405476+275476+2715593(Top 54%)5093(Top 40%)5093(Top 293%)
25K15.53 mi2.42 mi16013+2015376+1005376+10015209(Top 52%)4974(Top 40%)4974(Top 286%)
30K18.64 mi3.11 mi15819+1945295+815295+8115016(Top 52%)4984(Top 40%)4984(Top 287%)
20M20.00 mi1.36 mi15730+895258+375258+3714996(Top 52%)5056(Top 40%)5056(Top 291%)
21M21.00 mi1.00 mi15610+1205206+525206+5214315(Top 49%)4751(Top 38%)4751(Top 274%)
35K21.75 mi0.75 mi15424+1865114+925114+9211474(Top 40%)3274(Top 26%)3274(Top 188%)
23M23.00 mi1.25 mi15358+665099+155099+1514194(Top 49%)4812(Top 38%)4812(Top 277%)
24M24.00 mi1.00 mi15280+785080+195080+1913812(Top 48%)4688(Top 37%)4688(Top 270%)
40K24.85 mi0.85 mi15168+1125031+495031+4913243(Top 46%)4466(Top 36%)4466(Top 257%)
25.2M25.20 mi0.35 mi15121+475013+185013+1813309(Top 46%)4541(Top 36%)4541(Top 261%)
FINISH26.22 mi1.02 mi15076+454996+174996+1713817(Top 48%)4828(Top 38%)4828(Top 278%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16616

Females

5678

F40-44

5678

5K→10K

3.1 - 6.2 mi

Top 56%
×5
+79ft-138ft

Overall

16261

Females

5470

F40-44

5470

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16616

Females

5678

F40-44

5678

15K→20K

9.3 - 12.4 mi

Top 55%
×5
+106ft-86ft

Overall

15990

Females

5372

F40-44

5372

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15593

Females

5093

F40-44

5093

HALF→25K

13.1 - 15.5 mi

Top 52%
×4
+66ft-88ft

Overall

15209

Females

4974

F40-44

4974

25K→30K

15.5 - 18.6 mi

Top 52%
×9
+181ft-148ft

Overall

15016

Females

4984

F40-44

4984

30K→20M

18.6 - 20.0 mi

Top 52%
×5
+64ft-50ft

Overall

14996

Females

5056

F40-44

5056

20M→21M

20.0 - 21.0 mi

Top 49%
×8
+106ft-24ft

Overall

14315

Females

4751

F40-44

4751

21M→35K

21.0 - 21.8 mi

Top 40%
×7
+17ft-86ft

Overall

11474

Females

3274

F40-44

3274

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14194

Females

4812

F40-44

4812

23M→24M

23.0 - 24.0 mi

Top 48%
×6
+12ft-82ft

Overall

13812

Females

4688

F40-44

4688

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13243

Females

4466

F40-44

4466

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1
+13ft-16ft

Overall

13309

Females

4541

F40-44

4541

25.2M→FINISH

25.2 - 26.2 mi

Top 48%
×2
+22ft-21ft

Overall

13817

Females

4828

F40-44

4828

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2258
Passed By
1076
Net Change
+1182
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16258
5K → 10K281258+23#16258#16235
10K → 15K145269-124#16235#16359
15K → 20K241136+105#16359#16254
20K → HALF6222+40#16254#16214
HALF → 25K25554+201#16214#16013
25K → 30K28389+194#16013#15819
30K → 20M12334+89#15819#15730
20M → 21M16242+120#15730#15610
21M → 35K1904+186#15610#15424
35K → 23M12054+66#15424#15358
23M → 24M11739+78#15358#15280
24M → 40K13321+112#15280#15168
40K → 25.2M5710+47#15168#15121
25.2M → FINISH8944+45#15121#15076
TOTALS22581076+1182
📊

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