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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Ruey-Shan Guo

Bib: 21145 •M •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
Top 39%
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
24:33
3.11 mi
Rank: #16202
Start → 5K
24:33 | 7:55/mi
10K
49:43
6.21 mi
Rank: #17081 (-879)
5K → 10K
25:10 | 8:07/mi
15K
1:15:13
9.32 mi
Rank: #17555 (-474)
10K → 15K
25:30 | 8:13/mi
20K
1:40:53
12.43 mi
Rank: #17633 (-78)
15K → 20K
25:40 | 8:16/mi
HALF
1:46:24
13.11 mi
Rank: #17629 (+4)
20K → HALF
5:31 | 8:06/mi
25K
2:06:27
15.53 mi
Rank: #17573 (+56)
HALF → 25K
20:03 | 8:17/mi
30K
2:33:14
18.64 mi
Rank: #17513 (+60)
25K → 30K
26:47 | 8:38/mi
20M
2:45:15
20.00 mi
Rank: #17542 (-29)
30K → 20M
12:01 | 8:51/mi
21M
2:55:05
21.00 mi
Rank: #17705 (-163)
20M → 21M
9:50 | 9:50/mi
35K
3:01:28
21.75 mi
Rank: #17687 (+18)
21M → 35K
6:23 | 8:32/mi
23M
3:13:02
23.00 mi
Rank: #17778 (-91)
35K → 23M
11:34 | 9:15/mi
24M
3:21:39
24.00 mi
Rank: #17784 (-6)
23M → 24M
8:37 | 8:37/mi
40K
3:29:15
24.85 mi
Rank: #17765 (+19)
24M → 40K
7:36 | 8:54/mi
25.2M
3:32:42
25.20 mi
Rank: #17777 (-12)
40K → 25.2M
3:27 | 10:01/mi
FINISH
3:41:39
26.22 mi
Rank: #17859 (-82)
25.2M → FINISH
8:57 | 8:47/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
Time1:46:24
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:55:15
Pace8:48 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:5424:337:5524:33
7:55
-
10K
6.21 mi11:37:0449:438:0125:10
8:07
+0:12
15K
9.32 mi12:02:341:15:138:0525:30
8:13
+0:06
20K
12.43 mi12:28:141:40:538:0825:40
8:16
+0:03
HALF
13.11 mi12:33:451:46:248:075:31
8:06
-0:10
25K
15.53 mi12:53:482:06:278:0920:03
8:17
+0:11
30K
18.64 mi13:20:352:33:148:1426:47
8:38
+0:21
20M
20.00 mi13:32:362:45:158:1612:01
8:51
+0:13
21M
21.00 mi13:42:262:55:058:219:50
9:50
+0:59
35K
21.75 mi13:48:493:01:288:216:23
8:32
-1:18
23M
23.00 mi14:00:233:13:028:2411:34
9:15
+0:43
24M
24.00 mi14:09:003:21:398:258:37
8:37
-0:38
40K
24.85 mi14:16:363:29:158:267:36
8:54
+0:17
25.2M
25.20 mi14:20:033:32:428:273:27
10:01
+1:07
FINISH
26.22 mi14:29:003:41:398:288:57
8:47
-1:14

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

7:55 /mi

Average Pace

8:28 /mi

Slowest Pace

10:01 /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

2:06:27

57% of race

Time at Steady Pace

1:10:21

32% of race

Time at Slower Pace

24:51

11% of race

Average Pace: 8:27 /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 mi11:11:5424:337:5524:33
7:55
#16202
10K
6.21 mi11:37:0449:438:0125:10
8:07
#17081
15K
9.32 mi12:02:341:15:138:0525:30
8:13
#17555
20K
12.43 mi12:28:141:40:538:0825:40
8:16
#17633
HALF
13.11 mi12:33:451:46:248:075:31
8:06
#17629
25K
15.53 mi12:53:482:06:278:0920:03
8:17
#17573
30K
18.64 mi13:20:352:33:148:1426:47
8:38
#17513
20M
20.00 mi13:32:362:45:158:1612:01
8:51
#17542
21M
21.00 mi13:42:262:55:058:219:50
9:50
#17705
35K
21.75 mi13:48:493:01:288:216:23
8:32
#17687
23M
23.00 mi14:00:233:13:028:2411:34
9:15
#17778
24M
24.00 mi14:09:003:21:398:258:37
8:37
#17784
40K
24.85 mi14:16:363:29:158:267:36
8:54
#17765
25.2M
25.20 mi14:20:033:32:428:273:27
10:01
#17777
FINISH
26.22 mi14:29:003:41:398:288:57
8:47
#17859
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16202106931069318372(Top 63%)11607(Top 71%)11607(Top 767%)
10K6.21 mi3.10 mi17081-87911030-33711030-33717963(Top 62%)11426(Top 70%)11426(Top 755%)
15K9.32 mi3.11 mi17555-47411232-20211232-20218372(Top 63%)11607(Top 71%)11607(Top 767%)
20K12.43 mi3.11 mi17633-7811268-3611268-3617860(Top 62%)11353(Top 69%)11353(Top 750%)
HALF13.11 mi0.68 mi17629+4112681126817696(Top 61%)11314(Top 69%)11314(Top 747%)
25K15.53 mi2.42 mi17573+5611246+2211246+2217236(Top 59%)11040(Top 68%)11040(Top 729%)
30K18.64 mi3.11 mi17513+6011195+5111195+5117574(Top 61%)11072(Top 68%)11072(Top 731%)
20M20.00 mi1.36 mi17542-2911185+1011185+1018184(Top 63%)11253(Top 69%)11253(Top 743%)
21M21.00 mi1.00 mi17705-16311229-4411229-4419853(Top 68%)12003(Top 73%)12003(Top 793%)
35K21.75 mi0.75 mi17687+1811207+2211207+2217731(Top 61%)10922(Top 67%)10922(Top 721%)
23M23.00 mi1.25 mi17778-9111210-311210-319587(Top 67%)11733(Top 72%)11733(Top 775%)
24M24.00 mi1.00 mi17784-611198+1211198+1217554(Top 60%)10727(Top 66%)10727(Top 709%)
40K24.85 mi0.85 mi17765+1911175+2311175+2317829(Top 61%)10812(Top 66%)10812(Top 714%)
25.2M25.20 mi0.35 mi17777-1211167+811167+819379(Top 67%)11545(Top 71%)11545(Top 763%)
FINISH26.22 mi1.02 mi17859-8211184-1711184-1719543(Top 67%)11629(Top 71%)11629(Top 768%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21
+97ft-345ft

Overall

18372

Males

11607

M60-64

11607

5K→10K

3.1 - 6.2 mi

Top 62%
×5
+79ft-138ft

Overall

17963

Males

11426

M60-64

11426

10K→15K

6.2 - 9.3 mi

Top 63%
×3
+67ft-78ft

Overall

18372

Males

11607

M60-64

11607

15K→20K

9.3 - 12.4 mi

Top 62%
×5
+106ft-86ft

Overall

17860

Males

11353

M60-64

11353

20K→HALF

12.4 - 13.1 mi

Top 61%
×2
+19ft-37ft

Overall

17696

Males

11314

M60-64

11314

HALF→25K

13.1 - 15.5 mi

Top 59%
×4
+66ft-88ft

Overall

17236

Males

11040

M60-64

11040

25K→30K

15.5 - 18.6 mi

Top 61%
×9
+181ft-148ft

Overall

17574

Males

11072

M60-64

11072

30K→20M

18.6 - 20.0 mi

Top 63%
×5
+64ft-50ft

Overall

18184

Males

11253

M60-64

11253

20M→21M

20.0 - 21.0 mi

Top 68%
×8
+106ft-24ft

Overall

19853

Males

12003

M60-64

12003

21M→35K

21.0 - 21.8 mi

Top 61%
×7
+17ft-86ft

Overall

17731

Males

10922

M60-64

10922

35K→23M

21.8 - 23.0 mi

Top 67%
×5
+23ft-63ft

Overall

19587

Males

11733

M60-64

11733

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17554

Males

10727

M60-64

10727

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17829

Males

10812

M60-64

10812

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19379

Males

11545

M60-64

11545

25.2M→FINISH

25.2 - 26.2 mi

Top 67%
×2
+22ft-21ft

Overall

19543

Males

11629

M60-64

11629

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1146*
Passed By
1701
Net Change
-1657
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16202
5K → 10K55200-879#16202#17081
10K → 15K61200-474#17081#17555
15K → 20K149200-78#17555#17633
20K → HALF3834+4#17633#17629
HALF → 25K158102+56#17629#17573
25K → 30K209*149+60#17573#17513
30K → 20M81110-29#17513#17542
20M → 21M43200-163#17542#17705
21M → 35K6850+18#17705#17687
35K → 23M69160-91#17687#17778
23M → 24M5662-6#17778#17784
24M → 40K8768+19#17784#17765
40K → 25.2M2638-12#17765#17777
25.2M → FINISH46128-82#17777#17859
TOTALS1146*1701-1657

* 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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Activity Data

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