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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Guochun Mo

Bib: 21248 •M •Age: N/A

MA

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 19%
Race Day Weather
51°/41°F
overcast clouds
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  • Segment-by-segment breakdown
  • Personalized race insights
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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
25:13
3.11 mi
Rank: #17693
Start → 5K
25:13 | 8:07/mi
10K
49:29
6.21 mi
Rank: #16797 (+896)
5K → 10K
24:16 | 7:49/mi
15K
1:13:26
9.32 mi
Rank: #16075 (+722)
10K → 15K
23:57 | 7:43/mi
20K
1:37:29
12.43 mi
Rank: #15503 (+572)
15K → 20K
24:03 | 7:45/mi
HALF
1:42:38
13.11 mi
Rank: #15411 (+92)
20K → HALF
5:09 | 7:34/mi
25K
2:01:29
15.53 mi
Rank: #15093 (+318)
HALF → 25K
18:51 | 7:47/mi
30K
2:26:36
18.64 mi
Rank: #14876 (+217)
25K → 30K
25:07 | 8:06/mi
20M
2:37:59
20.00 mi
Rank: #14931 (-55)
30K → 20M
11:23 | 8:23/mi
21M
2:46:52
21.00 mi
Rank: #14920 (+11)
20M → 21M
8:53 | 8:53/mi
35K
2:52:58
21.75 mi
Rank: #14939 (-19)
21M → 35K
6:06 | 8:10/mi
23M
3:03:20
23.00 mi
Rank: #14893 (+46)
35K → 23M
10:22 | 8:18/mi
24M
3:11:41
24.00 mi
Rank: #14945 (-52)
23M → 24M
8:21 | 8:21/mi
40K
3:18:48
24.85 mi
Rank: #14915 (+30)
24M → 40K
7:07 | 8:20/mi
25.2M
3:21:54
25.20 mi
Rank: #14912 (+3)
40K → 25.2M
3:06 | 9:00/mi
FINISH
3:29:57
26.22 mi
Rank: #14917 (-5)
25.2M → FINISH
8:03 | 7:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:38
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:47:19
Pace8:12 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:2925:138:0725:13
8:07
-
10K
6.21 mi11:36:4549:297:5824:16
7:49
-0:18
15K
9.32 mi12:00:421:13:267:5323:57
7:43
-0:06
20K
12.43 mi12:24:451:37:297:5124:03
7:45
+0:02
HALF
13.11 mi12:29:541:42:387:505:09
7:34
-0:11
25K
15.53 mi12:48:452:01:297:5018:51
7:47
+0:13
30K
18.64 mi13:13:522:26:367:5225:07
8:06
+0:19
20M
20.00 mi13:25:152:37:597:5411:23
8:23
+0:17
21M
21.00 mi13:34:082:46:527:578:53
8:53
+0:30
35K
21.75 mi13:40:142:52:587:586:06
8:10
-0:43
23M
23.00 mi13:50:363:03:207:5910:22
8:18
+0:08
24M
24.00 mi13:58:573:11:418:008:21
8:21
+0:03
40K
24.85 mi14:06:043:18:488:007:07
8:20
-0:01
25.2M
25.20 mi14:09:103:21:548:013:06
9:00
+0:40
FINISH
26.22 mi14:17:133:29:578:018:03
7:54
-1:06

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

7:34 /mi

Average Pace

8:01 /mi

Slowest Pace

9:00 /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

2:51:07

82% of race

Time at Steady Pace

35:44

17% of race

Time at Slower Pace

3:06

1% of race

Average Pace: 8:00 /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 mi11:12:2925:138:0725:13
8:07
#17693
10K
6.21 mi11:36:4549:297:5824:16
7:49
#16797
15K
9.32 mi12:00:421:13:267:5323:57
7:43
#16075
20K
12.43 mi12:24:451:37:297:5124:03
7:45
#15503
HALF
13.11 mi12:29:541:42:387:505:09
7:34
#15411
25K
15.53 mi12:48:452:01:297:5018:51
7:47
#15093
30K
18.64 mi13:13:522:26:367:5225:07
8:06
#14876
20M
20.00 mi13:25:152:37:597:5411:23
8:23
#14931
21M
21.00 mi13:34:082:46:527:578:53
8:53
#14920
35K
21.75 mi13:40:142:52:587:586:06
8:10
#14939
23M
23.00 mi13:50:363:03:207:5910:22
8:18
#14893
24M
24.00 mi13:58:573:11:418:008:21
8:21
#14945
40K
24.85 mi14:06:043:18:488:007:07
8:20
#14915
25.2M
25.20 mi14:09:103:21:548:013:06
9:00
#14912
FINISH
26.22 mi14:17:133:29:578:018:03
7:54
#14917
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 mi17693112931129314604(Top 50%)10036(Top 61%)10036(Top 663%)
10K6.21 mi3.10 mi16797+89610909+38410909+38415722(Top 54%)10506(Top 64%)10506(Top 694%)
15K9.32 mi3.11 mi16075+72210629+28010629+28014604(Top 50%)10036(Top 61%)10036(Top 663%)
20K12.43 mi3.11 mi15503+57210383+24610383+24614063(Top 48%)9756(Top 60%)9756(Top 644%)
HALF13.11 mi0.68 mi15411+9210350+3310350+3313431(Top 46%)9565(Top 59%)9565(Top 632%)
25K15.53 mi2.42 mi15093+31810220+13010220+13013612(Top 47%)9494(Top 58%)9494(Top 627%)
30K18.64 mi3.11 mi14876+21710099+12110099+12114102(Top 49%)9601(Top 59%)9601(Top 634%)
20M20.00 mi1.36 mi14931-5510087+1210087+1215402(Top 53%)10046(Top 61%)10046(Top 664%)
21M21.00 mi1.00 mi14920+1110049+3810049+3815445(Top 53%)10007(Top 61%)10007(Top 661%)
35K21.75 mi0.75 mi14939-1910041+810041+815463(Top 53%)9956(Top 61%)9956(Top 658%)
23M23.00 mi1.25 mi14893+4610005+3610005+3614336(Top 49%)9390(Top 57%)9390(Top 620%)
24M24.00 mi1.00 mi14945-5210008-310008-315994(Top 55%)10033(Top 61%)10033(Top 663%)
40K24.85 mi0.85 mi14915+309972+369972+3614583(Top 50%)9331(Top 57%)9331(Top 616%)
25.2M25.20 mi0.35 mi14912+39967+59967+514601(Top 50%)9339(Top 57%)9339(Top 617%)
FINISH26.22 mi1.02 mi14917-59952+159952+1514479(Top 50%)9266(Top 57%)9266(Top 612%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21
+97ft-345ft

Overall

14604

Males

10036

M60-64

10036

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15722

Males

10506

M60-64

10506

10K→15K

6.2 - 9.3 mi

Top 50%
×3
+67ft-78ft

Overall

14604

Males

10036

M60-64

10036

15K→20K

9.3 - 12.4 mi

Top 48%
×5
+106ft-86ft

Overall

14063

Males

9756

M60-64

9756

20K→HALF

12.4 - 13.1 mi

Top 46%
×2
+19ft-37ft

Overall

13431

Males

9565

M60-64

9565

HALF→25K

13.1 - 15.5 mi

Top 47%
×4
+66ft-88ft

Overall

13612

Males

9494

M60-64

9494

25K→30K

15.5 - 18.6 mi

Top 49%
×9
+181ft-148ft

Overall

14102

Males

9601

M60-64

9601

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15402

Males

10046

M60-64

10046

20M→21M

20.0 - 21.0 mi

Top 53%
×8
+106ft-24ft

Overall

15445

Males

10007

M60-64

10007

21M→35K

21.0 - 21.8 mi

Top 53%
×7
+17ft-86ft

Overall

15463

Males

9956

M60-64

9956

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14336

Males

9390

M60-64

9390

23M→24M

23.0 - 24.0 mi

Top 55%
×6
+12ft-82ft

Overall

15994

Males

10033

M60-64

10033

24M→40K

24.0 - 24.9 mi

Top 50%
×1
+6ft-20ft

Overall

14583

Males

9331

M60-64

9331

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1
+13ft-16ft

Overall

14601

Males

9339

M60-64

9339

25.2M→FINISH

25.2 - 26.2 mi

Top 50%
×2
+22ft-21ft

Overall

14479

Males

9266

M60-64

9266

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3594*
Passed By
818
Net Change
+2776
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17693
5K → 10K950*54+896#17693#16797
10K → 15K746*24+722#16797#16075
15K → 20K581*9+572#16075#15503
20K → HALF975+92#15503#15411
HALF → 25K332*14+318#15411#15093
25K → 30K301*84+217#15093#14876
30K → 20M86141-55#14876#14931
20M → 21M112101+11#14931#14920
21M → 35K4362-19#14920#14939
35K → 23M12478+46#14939#14893
23M → 24M54106-52#14893#14945
24M → 40K8454+30#14945#14915
40K → 25.2M2926+3#14915#14912
25.2M → FINISH5560-5#14912#14917
TOTALS3594*818+2776

* 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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