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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Yonggang Xiong

Bib: 4975 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 19%
Gender (Male)
#0 / 16340
Top 31%
Masters (Masters Men)
#0 / 10617
Top 16%
Age Group (M45-49)
#0 / 2413
Top 21%
Race Day Weather
51°/41°F
overcast clouds
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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
20:21
3.11 mi
Rank: #4606
Start → 5K
20:21 | 6:34/mi
10K
40:36
6.21 mi
Rank: #4457 (+149)
5K → 10K
20:15 | 6:32/mi
15K
1:01:04
9.32 mi
Rank: #4597 (-140)
10K → 15K
20:28 | 6:36/mi
20K
1:22:08
12.43 mi
Rank: #4861 (-264)
15K → 20K
21:04 | 6:47/mi
HALF
1:26:41
13.11 mi
Rank: #4891 (-30)
20K → HALF
4:33 | 6:41/mi
25K
1:43:21
15.53 mi
Rank: #5068 (-177)
HALF → 25K
16:40 | 6:53/mi
30K
2:05:27
18.64 mi
Rank: #5354 (-286)
25K → 30K
22:06 | 7:07/mi
20M
2:15:21
20.00 mi
Rank: #5545 (-191)
30K → 20M
9:54 | 7:18/mi
21M
2:23:04
21.00 mi
Rank: #5682 (-137)
20M → 21M
7:43 | 7:43/mi
35K
2:28:16
21.75 mi
Rank: #5713 (-31)
21M → 35K
5:12 | 6:58/mi
23M
2:37:04
23.00 mi
Rank: #5670 (+43)
35K → 23M
8:48 | 7:02/mi
24M
2:44:00
24.00 mi
Rank: #5678 (-8)
23M → 24M
6:56 | 6:56/mi
40K
2:49:59
24.85 mi
Rank: #5651 (+27)
24M → 40K
5:59 | 7:00/mi
25.2M
2:52:31
25.20 mi
Rank: #5615 (+36)
40K → 25.2M
2:32 | 7:21/mi
FINISH
2:59:11
26.22 mi
Rank: #5556 (+59)
25.2M → FINISH
6:40 | 6:33/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:26:41
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:32:30
Pace7:04 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0720:216:3420:21
6:34
-
10K
6.21 mi10:43:2240:366:3320:15
6:32
-0:02
15K
9.32 mi11:03:501:01:046:3420:28
6:36
+0:04
20K
12.43 mi11:24:541:22:086:3721:04
6:47
+0:11
HALF
13.11 mi11:29:271:26:416:374:33
6:41
-0:06
25K
15.53 mi11:46:071:43:216:4016:40
6:53
+0:12
30K
18.64 mi12:08:132:05:276:4422:06
7:07
+0:14
20M
20.00 mi12:18:072:15:216:479:54
7:18
+0:11
21M
21.00 mi12:25:502:23:046:497:43
7:43
+0:25
35K
21.75 mi12:31:022:28:166:505:12
6:58
-0:45
23M
23.00 mi12:39:502:37:046:508:48
7:02
+0:04
24M
24.00 mi12:46:462:44:006:516:56
6:56
-0:06
40K
24.85 mi12:52:452:49:596:515:59
7:00
+0:04
25.2M
25.20 mi12:55:172:52:316:512:32
7:21
+0:21
FINISH
26.22 mi13:01:572:59:116:516:40
6:33
-0:48

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

6:32 /mi

Average Pace

6:50 /mi

Slowest Pace

7:43 /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

2:39:02

89% of race

Time at Steady Pace

12:26

7% of race

Time at Slower Pace

7:43

4% of race

Average Pace: 6:50 /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 mi10:23:0720:216:3420:21
6:34
#4606
10K
6.21 mi10:43:2240:366:3320:15
6:32
#4457
15K
9.32 mi11:03:501:01:046:3420:28
6:36
#4597
20K
12.43 mi11:24:541:22:086:3721:04
6:47
#4861
HALF
13.11 mi11:29:271:26:416:374:33
6:41
#4891
25K
15.53 mi11:46:071:43:216:4016:40
6:53
#5068
30K
18.64 mi12:08:132:05:276:4422:06
7:07
#5354
20M
20.00 mi12:18:072:15:216:479:54
7:18
#5545
21M
21.00 mi12:25:502:23:046:497:43
7:43
#5682
35K
21.75 mi12:31:022:28:166:505:12
6:58
#5713
23M
23.00 mi12:39:502:37:046:508:48
7:02
#5670
24M
24.00 mi12:46:462:44:006:516:56
6:56
#5678
40K
24.85 mi12:52:452:49:596:515:59
7:00
#5651
25.2M
25.20 mi12:55:172:52:316:512:32
7:21
#5615
FINISH
26.22 mi13:01:572:59:116:516:40
6:33
#5556
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 mi4606432743274835(Top 17%)4521(Top 28%)4521(Top 187%)
10K6.21 mi3.10 mi4457+1494210+1174210+1174396(Top 15%)4153(Top 25%)4153(Top 172%)
15K9.32 mi3.11 mi4597-1404328-1184328-1184835(Top 17%)4521(Top 28%)4521(Top 187%)
20K12.43 mi3.11 mi4861-2644545-2174545-2175988(Top 21%)5393(Top 33%)5393(Top 223%)
HALF13.11 mi0.68 mi4891-304574-294574-295904(Top 20%)5332(Top 33%)5332(Top 221%)
25K15.53 mi2.42 mi5068-1774712-1384712-1386416(Top 22%)5674(Top 35%)5674(Top 235%)
30K18.64 mi3.11 mi5354-2864933-2214933-2216735(Top 23%)5808(Top 36%)5808(Top 241%)
20M20.00 mi1.36 mi5545-1915061-1285061-1287523(Top 26%)6209(Top 38%)6209(Top 257%)
21M21.00 mi1.00 mi5682-1375153-925153-927890(Top 27%)6292(Top 39%)6292(Top 261%)
35K21.75 mi0.75 mi5713-315166-135166-136675(Top 23%)5598(Top 34%)5598(Top 232%)
23M23.00 mi1.25 mi5670+435124+425124+425644(Top 19%)4859(Top 30%)4859(Top 201%)
24M24.00 mi1.00 mi5678-85116+85116+86002(Top 21%)5025(Top 31%)5025(Top 208%)
40K24.85 mi0.85 mi5651+275087+295087+295472(Top 19%)4620(Top 28%)4620(Top 191%)
25.2M25.20 mi0.35 mi5615+365056+315056+314341(Top 15%)3734(Top 23%)3734(Top 155%)
FINISH26.22 mi1.02 mi5556+594997+594997+594402(Top 15%)3769(Top 23%)3769(Top 156%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21
+97ft-345ft

Overall

4835

Males

4521

M45-49

4521

5K→10K

3.1 - 6.2 mi

Top 15%
×5
+79ft-138ft

Overall

4396

Males

4153

M45-49

4153

10K→15K

6.2 - 9.3 mi

Top 17%
×3
+67ft-78ft

Overall

4835

Males

4521

M45-49

4521

15K→20K

9.3 - 12.4 mi

Top 21%
×5
+106ft-86ft

Overall

5988

Males

5393

M45-49

5393

20K→HALF

12.4 - 13.1 mi

Top 20%
×2
+19ft-37ft

Overall

5904

Males

5332

M45-49

5332

HALF→25K

13.1 - 15.5 mi

Top 22%
×4
+66ft-88ft

Overall

6416

Males

5674

M45-49

5674

25K→30K

15.5 - 18.6 mi

Top 23%
×9
+181ft-148ft

Overall

6735

Males

5808

M45-49

5808

30K→20M

18.6 - 20.0 mi

Top 26%
×5
+64ft-50ft

Overall

7523

Males

6209

M45-49

6209

20M→21M

20.0 - 21.0 mi

Top 27%
×8
+106ft-24ft

Overall

7890

Males

6292

M45-49

6292

21M→35K

21.0 - 21.8 mi

Top 23%
×7
+17ft-86ft

Overall

6675

Males

5598

M45-49

5598

35K→23M

21.8 - 23.0 mi

Top 19%
×5
+23ft-63ft

Overall

5644

Males

4859

M45-49

4859

23M→24M

23.0 - 24.0 mi

Top 21%
×6
+12ft-82ft

Overall

6002

Males

5025

M45-49

5025

24M→40K

24.0 - 24.9 mi

Top 19%
×1
+6ft-20ft

Overall

5472

Males

4620

M45-49

4620

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1
+13ft-16ft

Overall

4341

Males

3734

M45-49

3734

25.2M→FINISH

25.2 - 26.2 mi

Top 15%
×2
+22ft-21ft

Overall

4402

Males

3769

M45-49

3769

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
885*
Passed By
1547
Net Change
-950
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4606
5K → 10K226*77+149#4606#4457
10K → 15K68200-140#4457#4597
15K → 20K32200-264#4597#4861
20K → HALF434-30#4861#4891
HALF → 25K44200-177#4891#5068
25K → 30K62200-286#5068#5354
30K → 20M24200-191#5354#5545
20M → 21M34171-137#5545#5682
21M → 35K3566-31#5682#5713
35K → 23M10562+43#5713#5670
23M → 24M5866-8#5670#5678
24M → 40K7144+27#5678#5651
40K → 25.2M426+36#5651#5615
25.2M → FINISH8021+59#5615#5556
TOTALS885*1547-950

* 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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