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BOSTON MARATHON 2026

Peng Sun

Bib: 13811β€’M

WA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 35%
Gender (Male)
#0 / 16340
Top 48%
Masters (Masters Men)
#0 / 10617
Top 37%
Age Group (M50-54)
#0 / 1868
Top 38%
Race Day Weather
51Β°/41Β°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
22:59
3.11 mi
Rank: #11892
Start β†’ 5K
22:59 | 7:24/mi
10K
45:43
6.21 mi
Rank: #11578 (+314)
5K β†’ 10K
22:44 | 7:20/mi
15K
1:08:21
9.32 mi
Rank: #11318 (+260)
10K β†’ 15K
22:38 | 7:18/mi
20K
1:31:49
12.43 mi
Rank: #11611 (-293)
15K β†’ 20K
23:28 | 7:34/mi
HALF
1:36:45
13.11 mi
Rank: #11567 (+44)
20K β†’ HALF
4:56 | 7:15/mi
25K
1:54:50
15.53 mi
Rank: #11492 (+75)
HALF β†’ 25K
18:05 | 7:28/mi
30K
2:18:25
18.64 mi
Rank: #11249 (+243)
25K β†’ 30K
23:35 | 7:36/mi
20M
2:28:52
20.00 mi
Rank: #11179 (+70)
30K β†’ 20M
10:27 | 7:42/mi
21M
2:36:47
21.00 mi
Rank: #11010 (+169)
20M β†’ 21M
7:55 | 7:55/mi
35K
2:42:17
21.75 mi
Rank: #10952 (+58)
21M β†’ 35K
5:30 | 7:22/mi
23M
2:51:37
23.00 mi
Rank: #10738 (+214)
35K β†’ 23M
9:20 | 7:28/mi
24M
2:58:56
24.00 mi
Rank: #10607 (+131)
23M β†’ 24M
7:19 | 7:19/mi
40K
3:05:21
24.85 mi
Rank: #10516 (+91)
24M β†’ 40K
6:25 | 7:31/mi
25.2M
3:08:06
25.20 mi
Rank: #10456 (+60)
40K β†’ 25.2M
2:45 | 7:59/mi
FINISH
3:15:09
26.22 mi
Rank: #10279 (+177)
25.2M β†’ FINISH
7:03 | 6:56/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:36:45
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:38:24
Pace7:31 /mi
πŸ“ŠPositive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4322:597:2422:59
7:24
-
10K
6.21 mi11:15:2745:437:2222:44
7:20
-0:04
15K
9.32 mi11:38:051:08:217:2022:38
7:18
-0:02
20K
12.43 mi12:01:331:31:497:2423:28
7:34
+0:16
HALF
13.11 mi12:06:291:36:457:234:56
7:15
-0:19
25K
15.53 mi12:24:341:54:507:2418:05
7:28
+0:13
30K
18.64 mi12:48:092:18:257:2623:35
7:36
+0:08
20M
20.00 mi12:58:362:28:527:2710:27
7:42
+0:06
21M
21.00 mi13:06:312:36:477:287:55
7:55
+0:13
35K
21.75 mi13:12:012:42:177:285:30
7:22
-0:33
23M
23.00 mi13:21:212:51:377:289:20
7:28
+0:06
24M
24.00 mi13:28:402:58:567:287:19
7:19
-0:09
40K
24.85 mi13:35:053:05:217:286:25
7:31
+0:12
25.2M
25.20 mi13:37:503:08:067:282:45
7:59
+0:28
FINISH
26.22 mi13:44:533:15:097:277:03
6:56
-1:03

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:56 /mi

Average Pace

7:27 /mi

Slowest Pace

7:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:54:02

89% of race

Time at Steady Pace

21:07

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:27 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:52:4322:597:2422:59
7:24
#11892
10K
6.21 mi11:15:2745:437:2222:44
7:20
#11578
15K
9.32 mi11:38:051:08:217:2022:38
7:18
#11318
20K
12.43 mi12:01:331:31:497:2423:28
7:34
#11611
HALF
13.11 mi12:06:291:36:457:234:56
7:15
#11567
25K
15.53 mi12:24:341:54:507:2418:05
7:28
#11492
30K
18.64 mi12:48:092:18:257:2623:35
7:36
#11249
20M
20.00 mi12:58:362:28:527:2710:27
7:42
#11179
21M
21.00 mi13:06:312:36:477:287:55
7:55
#11010
35K
21.75 mi13:12:012:42:177:285:30
7:22
#10952
23M
23.00 mi13:21:212:51:377:289:20
7:28
#10738
24M
24.00 mi13:28:402:58:567:287:19
7:19
#10607
40K
24.85 mi13:35:053:05:217:286:25
7:31
#10516
25.2M
25.20 mi13:37:503:08:067:282:45
7:59
#10456
FINISH
26.22 mi13:44:533:15:097:277:03
6:56
#10279
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi118928991899110894(Top 38%)8436(Top 52%)8436(Top 452%)
10K6.21 mi3.10 mi11578+3148824+1678824+16711305(Top 39%)8659(Top 53%)8659(Top 464%)
15K9.32 mi3.11 mi11318+2608677+1478677+14710894(Top 38%)8436(Top 52%)8436(Top 452%)
20K12.43 mi3.11 mi11611-2938781-1048781-10412411(Top 43%)9029(Top 55%)9029(Top 483%)
HALF13.11 mi0.68 mi11567+448765+168765+1610581(Top 36%)8270(Top 51%)8270(Top 443%)
25K15.53 mi2.42 mi11492+758692+738692+7311040(Top 38%)8344(Top 51%)8344(Top 447%)
30K18.64 mi3.11 mi11249+2438544+1488544+14810348(Top 36%)7875(Top 48%)7875(Top 422%)
20M20.00 mi1.36 mi11179+708483+618483+6110522(Top 36%)7835(Top 48%)7835(Top 419%)
21M21.00 mi1.00 mi11010+1698366+1178366+1179331(Top 32%)7123(Top 44%)7123(Top 381%)
35K21.75 mi0.75 mi10952+588323+438323+439697(Top 33%)7323(Top 45%)7323(Top 392%)
23M23.00 mi1.25 mi10738+2148191+1328191+1328553(Top 29%)6634(Top 41%)6634(Top 355%)
24M24.00 mi1.00 mi10607+1318098+938098+938713(Top 30%)6651(Top 41%)6651(Top 356%)
40K24.85 mi0.85 mi10516+918036+628036+628870(Top 31%)6637(Top 41%)6637(Top 355%)
25.2M25.20 mi0.35 mi10456+607992+447992+448164(Top 28%)6199(Top 38%)6199(Top 332%)
FINISH26.22 mi1.02 mi10279+1777877+1157877+1156935(Top 24%)5464(Top 33%)5464(Top 293%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
Γ—21
+97ft-345ft

Overall

10894

Males

8436

M50-54

8436

5K→10K

3.1 - 6.2 mi

Top 39%
Γ—5
+79ft-138ft

Overall

11305

Males

8659

M50-54

8659

10K→15K

6.2 - 9.3 mi

Top 38%
Γ—3
+67ft-78ft

Overall

10894

Males

8436

M50-54

8436

15K→20K

9.3 - 12.4 mi

Top 43%
Γ—5
+106ft-86ft

Overall

12411

Males

9029

M50-54

9029

20K→HALF

12.4 - 13.1 mi

Top 36%
Γ—2
+19ft-37ft

Overall

10581

Males

8270

M50-54

8270

HALF→25K

13.1 - 15.5 mi

Top 38%
Γ—4
+66ft-88ft

Overall

11040

Males

8344

M50-54

8344

25K→30K

15.5 - 18.6 mi

Top 36%
Γ—9
+181ft-148ft

Overall

10348

Males

7875

M50-54

7875

30K→20M

18.6 - 20.0 mi

Top 36%
Γ—5
+64ft-50ft

Overall

10522

Males

7835

M50-54

7835

20M→21M

20.0 - 21.0 mi

Top 32%
Γ—8
+106ft-24ft

Overall

9331

Males

7123

M50-54

7123

21M→35K

21.0 - 21.8 mi

Top 33%
Γ—7
+17ft-86ft

Overall

9697

Males

7323

M50-54

7323

35K→23M

21.8 - 23.0 mi

Top 29%
Γ—5
+23ft-63ft

Overall

8553

Males

6634

M50-54

6634

23M→24M

23.0 - 24.0 mi

Top 30%
Γ—6
+12ft-82ft

Overall

8713

Males

6651

M50-54

6651

24M→40K

24.0 - 24.9 mi

Top 31%
Γ—1
+6ft-20ft

Overall

8870

Males

6637

M50-54

6637

40K→25.2M

24.9 - 25.2 mi

Top 28%
Γ—1
+13ft-16ft

Overall

8164

Males

6199

M50-54

6199

25.2M→FINISH

25.2 - 26.2 mi

Top 24%
Γ—2
+22ft-21ft

Overall

6935

Males

5464

M50-54

5464

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2539*
Passed By
762
Net Change
+1613
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#11892
5K β†’ 10K448*134+314#11892#11578
10K β†’ 15K339*79+260#11578#11318
15K β†’ 20K71200-293#11318#11611
20K β†’ HALF6117+44#11611#11567
HALF β†’ 25K15479+75#11567#11492
25K β†’ 30K320*77+243#11492#11249
30K β†’ 20M12151+70#11249#11179
20M β†’ 21M19526+169#11179#11010
21M β†’ 35K7921+58#11010#10952
35K β†’ 23M227*13+214#10952#10738
23M β†’ 24M15120+131#10738#10607
24M β†’ 40K11423+91#10607#10516
40K β†’ 25.2M7111+60#10516#10456
25.2M β†’ FINISH18811+177#10456#10279
TOTALS2539*762+1613

* Includes athletes who did not complete a segment (DNF/DNQ).

πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing