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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Haichuan Liu

Bib: 1942 •M •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 6%
Gender (Male)
#0 / 16340
Top 11%
Masters (Masters Men)
#0 / 10617
Top 2%
Age Group (M45-49)
#0 / 2413
Top 3%
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
19:19
3.11 mi
Rank: #2183
Start → 5K
19:19 | 6:14/mi
10K
38:26
6.21 mi
Rank: #2117 (+66)
5K → 10K
19:07 | 6:10/mi
15K
57:42
9.32 mi
Rank: #2159 (-42)
10K → 15K
19:16 | 6:13/mi
20K
1:16:58
12.43 mi
Rank: #2119 (+40)
15K → 20K
19:16 | 6:13/mi
HALF
1:21:08
13.11 mi
Rank: #2113 (+6)
20K → HALF
4:10 | 6:07/mi
25K
1:36:16
15.53 mi
Rank: #2083 (+30)
HALF → 25K
15:08 | 6:15/mi
30K
1:55:50
18.64 mi
Rank: #1970 (+113)
25K → 30K
19:34 | 6:18/mi
20M
2:04:33
20.00 mi
Rank: #1946 (+24)
30K → 20M
8:43 | 6:26/mi
21M
2:11:12
21.00 mi
Rank: #1905 (+41)
20M → 21M
6:39 | 6:39/mi
35K
2:15:49
21.75 mi
Rank: #1883 (+22)
21M → 35K
4:37 | 6:11/mi
23M
2:23:46
23.00 mi
Rank: #1846 (+37)
35K → 23M
7:57 | 6:22/mi
24M
2:30:00
24.00 mi
Rank: #1829 (+17)
23M → 24M
6:14 | 6:14/mi
40K
2:35:28
24.85 mi
Rank: #1809 (+20)
24M → 40K
5:28 | 6:24/mi
25.2M
2:37:51
25.20 mi
Rank: #1801 (+8)
40K → 25.2M
2:23 | 6:55/mi
FINISH
2:44:09
26.22 mi
Rank: #1796 (+5)
25.2M → FINISH
6:18 | 6:11/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
Time1:21:08
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:23:01
Pace6:20 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4919:196:1419:19
6:14
-
10K
6.21 mi10:38:5638:266:1219:07
6:10
-0:04
15K
9.32 mi10:58:1257:426:1219:16
6:13
+0:03
20K
12.43 mi11:17:281:16:586:1219:16
6:13
0:00
HALF
13.11 mi11:21:381:21:086:124:10
6:07
-0:06
25K
15.53 mi11:36:461:36:166:1215:08
6:15
+0:08
30K
18.64 mi11:56:201:55:506:1319:34
6:18
+0:03
20M
20.00 mi12:05:032:04:336:148:43
6:26
+0:08
21M
21.00 mi12:11:422:11:126:156:39
6:39
+0:13
35K
21.75 mi12:16:192:15:496:154:37
6:11
-0:28
23M
23.00 mi12:24:162:23:466:167:57
6:22
+0:11
24M
24.00 mi12:30:302:30:006:166:14
6:14
-0:08
40K
24.85 mi12:35:582:35:286:165:28
6:24
+0:10
25.2M
25.20 mi12:38:212:37:516:162:23
6:55
+0:31
FINISH
26.22 mi12:44:392:44:096:166:18
6:11
-0:44

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

6:07 /mi

Average Pace

6:16 /mi

Slowest Pace

6:55 /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

2:41:46

99% of race

Time at Steady Pace

2:23

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:16 /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 mi10:19:4919:196:1419:19
6:14
#2183
10K
6.21 mi10:38:5638:266:1219:07
6:10
#2117
15K
9.32 mi10:58:1257:426:1219:16
6:13
#2159
20K
12.43 mi11:17:281:16:586:1219:16
6:13
#2119
HALF
13.11 mi11:21:381:21:086:124:10
6:07
#2113
25K
15.53 mi11:36:461:36:166:1215:08
6:15
#2083
30K
18.64 mi11:56:201:55:506:1319:34
6:18
#1970
20M
20.00 mi12:05:032:04:336:148:43
6:26
#1946
21M
21.00 mi12:11:422:11:126:156:39
6:39
#1905
35K
21.75 mi12:16:192:15:496:154:37
6:11
#1883
23M
23.00 mi12:24:162:23:466:167:57
6:22
#1846
24M
24.00 mi12:30:302:30:006:166:14
6:14
#1829
40K
24.85 mi12:35:582:35:286:165:28
6:24
#1809
25.2M
25.20 mi12:38:212:37:516:162:23
6:55
#1801
FINISH
26.22 mi12:44:392:44:096:166:18
6:11
#1796
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2183210321032277(Top 8%)2194(Top 13%)2194(Top 91%)
10K6.21 mi3.10 mi2117+662043+602043+602042(Top 7%)1969(Top 12%)1969(Top 82%)
15K9.32 mi3.11 mi2159-422083-402083-402277(Top 8%)2194(Top 13%)2194(Top 91%)
20K12.43 mi3.11 mi2119+402044+392044+392016(Top 7%)1945(Top 12%)1945(Top 81%)
HALF13.11 mi0.68 mi2113+62038+62038+61998(Top 7%)1933(Top 12%)1933(Top 80%)
25K15.53 mi2.42 mi2083+302008+302008+302016(Top 7%)1942(Top 12%)1942(Top 80%)
30K18.64 mi3.11 mi1970+1131899+1091899+1091632(Top 6%)1568(Top 10%)1568(Top 65%)
20M20.00 mi1.36 mi1946+241875+241875+242006(Top 7%)1914(Top 12%)1914(Top 79%)
21M21.00 mi1.00 mi1905+411836+391836+391809(Top 6%)1733(Top 11%)1733(Top 72%)
35K21.75 mi0.75 mi1883+221814+221814+221866(Top 6%)1781(Top 11%)1781(Top 74%)
23M23.00 mi1.25 mi1846+371778+361778+361767(Top 6%)1682(Top 10%)1682(Top 70%)
24M24.00 mi1.00 mi1829+171760+181760+181888(Top 7%)1783(Top 11%)1783(Top 74%)
40K24.85 mi0.85 mi1809+201741+191741+192086(Top 7%)1943(Top 12%)1943(Top 81%)
25.2M25.20 mi0.35 mi1801+81732+91732+92232(Top 8%)2053(Top 13%)2053(Top 85%)
FINISH26.22 mi1.02 mi1796+51726+61726+62399(Top 8%)2190(Top 13%)2190(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21
+97ft-345ft

Overall

2277

Males

2194

M45-49

2194

5K→10K

3.1 - 6.2 mi

Top 7%
×5
+79ft-138ft

Overall

2042

Males

1969

M45-49

1969

10K→15K

6.2 - 9.3 mi

Top 8%
×3
+67ft-78ft

Overall

2277

Males

2194

M45-49

2194

15K→20K

9.3 - 12.4 mi

Top 7%
×5
+106ft-86ft

Overall

2016

Males

1945

M45-49

1945

20K→HALF

12.4 - 13.1 mi

Top 7%
×2
+19ft-37ft

Overall

1998

Males

1933

M45-49

1933

HALF→25K

13.1 - 15.5 mi

Top 7%
×4
+66ft-88ft

Overall

2016

Males

1942

M45-49

1942

25K→30K

15.5 - 18.6 mi

Top 6%
×9
+181ft-148ft

Overall

1632

Males

1568

M45-49

1568

30K→20M

18.6 - 20.0 mi

Top 7%
×5
+64ft-50ft

Overall

2006

Males

1914

M45-49

1914

20M→21M

20.0 - 21.0 mi

Top 6%
×8
+106ft-24ft

Overall

1809

Males

1733

M45-49

1733

21M→35K

21.0 - 21.8 mi

Top 6%
×7
+17ft-86ft

Overall

1866

Males

1781

M45-49

1781

35K→23M

21.8 - 23.0 mi

Top 6%
×5
+23ft-63ft

Overall

1767

Males

1682

M45-49

1682

23M→24M

23.0 - 24.0 mi

Top 7%
×6
+12ft-82ft

Overall

1888

Males

1783

M45-49

1783

24M→40K

24.0 - 24.9 mi

Top 7%
×1
+6ft-20ft

Overall

2086

Males

1943

M45-49

1943

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1
+13ft-16ft

Overall

2232

Males

2053

M45-49

2053

25.2M→FINISH

25.2 - 26.2 mi

Top 8%
×2
+22ft-21ft

Overall

2399

Males

2190

M45-49

2190

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
746
Passed By
359
Net Change
+387
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2183
5K → 10K13973+66#2183#2117
10K → 15K4789-42#2117#2159
15K → 20K6323+40#2159#2119
20K → HALF137+6#2119#2113
HALF → 25K5222+30#2113#2083
25K → 30K13724+113#2083#1970
30K → 20M4218+24#1970#1946
20M → 21M5817+41#1946#1905
21M → 35K297+22#1905#1883
35K → 23M5013+37#1883#1846
23M → 24M3518+17#1846#1829
24M → 40K3919+20#1829#1809
40K → 25.2M157+8#1809#1801
25.2M → FINISH2722+5#1801#1796
TOTALS746359+387
📊

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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