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BOSTON MARATHON 2026

Yiwei Yan

Bib: 4687β€’M

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 7%
Gender (Male)
#0 / 16340
Top 12%
Age Group (M18-39)
#0 / 5723
Top 28%
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
19:10
3.11 mi
Rank: #1933
Start β†’ 5K
19:10 | 6:11/mi
10K
38:38
6.21 mi
Rank: #2272 (-339)
5K β†’ 10K
19:28 | 6:16/mi
15K
58:16
9.32 mi
Rank: #2468 (-196)
10K β†’ 15K
19:38 | 6:20/mi
20K
1:18:00
12.43 mi
Rank: #2539 (-71)
15K β†’ 20K
19:44 | 6:22/mi
HALF
1:22:13
13.11 mi
Rank: #2531 (+8)
20K β†’ HALF
4:13 | 6:12/mi
25K
1:37:31
15.53 mi
Rank: #2467 (+64)
HALF β†’ 25K
15:18 | 6:19/mi
30K
1:57:30
18.64 mi
Rank: #2406 (+61)
25K β†’ 30K
19:59 | 6:26/mi
20M
2:06:07
20.00 mi
Rank: #2341 (+65)
30K β†’ 20M
8:37 | 6:21/mi
21M
2:12:47
21.00 mi
Rank: #2276 (+65)
20M β†’ 21M
6:40 | 6:40/mi
35K
2:17:25
21.75 mi
Rank: #2251 (+25)
21M β†’ 35K
4:38 | 6:12/mi
23M
2:25:22
23.00 mi
Rank: #2189 (+62)
35K β†’ 23M
7:57 | 6:22/mi
24M
2:31:29
24.00 mi
Rank: #2136 (+53)
23M β†’ 24M
6:07 | 6:07/mi
40K
2:36:44
24.85 mi
Rank: #2058 (+78)
24M β†’ 40K
5:15 | 6:09/mi
25.2M
2:39:01
25.20 mi
Rank: #2025 (+33)
40K β†’ 25.2M
2:17 | 6:38/mi
FINISH
2:45:05
26.22 mi
Rank: #1979 (+46)
25.2M β†’ FINISH
6:04 | 5:58/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Halfβš–οΈ Balanced
via HALF
Distance13.11 mi
Time1:22:13
Pace6:17 /mi
2nd Halfβš–οΈ Balanced
Distance13.11 mi
Time1:22:52
Pace6:20 /mi
πŸ“ŠEven Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:1819:106:1119:10
6:11
-
10K
6.21 mi10:41:4638:386:1419:28
6:16
+0:05
15K
9.32 mi11:01:2458:166:1619:38
6:20
+0:04
20K
12.43 mi11:21:081:18:006:1719:44
6:22
+0:02
HALF
13.11 mi11:25:211:22:136:174:13
6:12
-0:10
25K
15.53 mi11:40:391:37:316:1715:18
6:19
+0:07
30K
18.64 mi12:00:381:57:306:1919:59
6:26
+0:07
20M
20.00 mi12:09:152:06:076:198:37
6:21
-0:05
21M
21.00 mi12:15:552:12:476:206:40
6:40
+0:19
35K
21.75 mi12:20:332:17:256:204:38
6:12
-0:28
23M
23.00 mi12:28:302:25:226:207:57
6:22
+0:10
24M
24.00 mi12:34:372:31:296:196:07
6:07
-0:15
40K
24.85 mi12:39:522:36:446:195:15
6:09
+0:02
25.2M
25.20 mi12:42:092:39:016:192:17
6:38
+0:29
FINISH
26.22 mi12:48:132:45:056:196:04
5:58
-0:40

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

5:58 /mi

Average Pace

6:18 /mi

Slowest Pace

6:40 /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

2:36:08

95% of race

Time at Steady Pace

8:57

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:18 /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 mi10:22:1819:106:1119:10
6:11
#1933
10K
6.21 mi10:41:4638:386:1419:28
6:16
#2272
15K
9.32 mi11:01:2458:166:1619:38
6:20
#2468
20K
12.43 mi11:21:081:18:006:1719:44
6:22
#2539
HALF
13.11 mi11:25:211:22:136:174:13
6:12
#2531
25K
15.53 mi11:40:391:37:316:1715:18
6:19
#2467
30K
18.64 mi12:00:381:57:306:1919:59
6:26
#2406
20M
20.00 mi12:09:152:06:076:198:37
6:21
#2341
21M
21.00 mi12:15:552:12:476:206:40
6:40
#2276
35K
21.75 mi12:20:332:17:256:204:38
6:12
#2251
23M
23.00 mi12:28:302:25:226:207:57
6:22
#2189
24M
24.00 mi12:34:372:31:296:196:07
6:07
#2136
40K
24.85 mi12:39:522:36:446:195:15
6:09
#2058
25.2M
25.20 mi12:42:092:39:016:192:17
6:38
#2025
FINISH
26.22 mi12:48:132:45:056:196:04
5:58
#1979
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1933186318632975(Top 10%)2848(Top 17%)2848(Top 50%)
10K6.21 mi3.10 mi2272-3392191-3282191-3282612(Top 9%)2514(Top 15%)2514(Top 44%)
15K9.32 mi3.11 mi2468-1962375-1842375-1842975(Top 10%)2848(Top 17%)2848(Top 50%)
20K12.43 mi3.11 mi2539-712448-732448-732861(Top 10%)2748(Top 17%)2748(Top 48%)
HALF13.11 mi0.68 mi2531+82440+82440+82314(Top 8%)2225(Top 14%)2225(Top 39%)
25K15.53 mi2.42 mi2467+642377+632377+632338(Top 8%)2251(Top 14%)2251(Top 39%)
30K18.64 mi3.11 mi2406+612317+602317+602229(Top 8%)2136(Top 13%)2136(Top 37%)
20M20.00 mi1.36 mi2341+652253+642253+641695(Top 6%)1623(Top 10%)1623(Top 28%)
21M21.00 mi1.00 mi2276+652193+602193+601854(Top 6%)1773(Top 11%)1773(Top 31%)
35K21.75 mi0.75 mi2251+252166+272166+271935(Top 7%)1844(Top 11%)1844(Top 32%)
23M23.00 mi1.25 mi2189+622105+612105+611752(Top 6%)1667(Top 10%)1667(Top 29%)
24M24.00 mi1.00 mi2136+532052+532052+531421(Top 5%)1349(Top 8%)1349(Top 24%)
40K24.85 mi0.85 mi2058+781973+791973+791135(Top 4%)1081(Top 7%)1081(Top 19%)
25.2M25.20 mi0.35 mi2025+331941+321941+321216(Top 4%)1147(Top 7%)1147(Top 20%)
FINISH26.22 mi1.02 mi1979+461902+391902+391456(Top 5%)1376(Top 8%)1376(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
Γ—21
+97ft-345ft

Overall

2975

Males

2848

M18-39

2848

5K→10K

3.1 - 6.2 mi

Top 9%
Γ—5
+79ft-138ft

Overall

2612

Males

2514

M18-39

2514

10K→15K

6.2 - 9.3 mi

Top 10%
Γ—3
+67ft-78ft

Overall

2975

Males

2848

M18-39

2848

15K→20K

9.3 - 12.4 mi

Top 10%
Γ—5
+106ft-86ft

Overall

2861

Males

2748

M18-39

2748

20K→HALF

12.4 - 13.1 mi

Top 8%
Γ—2
+19ft-37ft

Overall

2314

Males

2225

M18-39

2225

HALF→25K

13.1 - 15.5 mi

Top 8%
Γ—4
+66ft-88ft

Overall

2338

Males

2251

M18-39

2251

25K→30K

15.5 - 18.6 mi

Top 8%
Γ—9
+181ft-148ft

Overall

2229

Males

2136

M18-39

2136

30K→20M

18.6 - 20.0 mi

Top 6%
Γ—5
+64ft-50ft

Overall

1695

Males

1623

M18-39

1623

20M→21M

20.0 - 21.0 mi

Top 6%
Γ—8
+106ft-24ft

Overall

1854

Males

1773

M18-39

1773

21M→35K

21.0 - 21.8 mi

Top 7%
Γ—7
+17ft-86ft

Overall

1935

Males

1844

M18-39

1844

35K→23M

21.8 - 23.0 mi

Top 6%
Γ—5
+23ft-63ft

Overall

1752

Males

1667

M18-39

1667

23M→24M

23.0 - 24.0 mi

Top 5%
Γ—6
+12ft-82ft

Overall

1421

Males

1349

M18-39

1349

24M→40K

24.0 - 24.9 mi

Top 4%
Γ—1
+6ft-20ft

Overall

1135

Males

1081

M18-39

1081

40K→25.2M

24.9 - 25.2 mi

Top 4%
Γ—1
+13ft-16ft

Overall

1216

Males

1147

M18-39

1147

25.2M→FINISH

25.2 - 26.2 mi

Top 5%
Γ—2
+22ft-21ft

Overall

1456

Males

1376

M18-39

1376

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
785
Passed By
657
Net Change
-46
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#1933
5K β†’ 10K19200-339#1933#2272
10K β†’ 15K20200-196#2272#2468
15K β†’ 20K48119-71#2468#2539
20K β†’ HALF168+8#2539#2531
HALF β†’ 25K8622+64#2531#2467
25K β†’ 30K9938+61#2467#2406
30K β†’ 20M7611+65#2406#2341
20M β†’ 21M738+65#2341#2276
21M β†’ 35K3813+25#2276#2251
35K β†’ 23M7816+62#2251#2189
23M β†’ 24M596+53#2189#2136
24M β†’ 40K813+78#2136#2058
40K β†’ 25.2M341+33#2058#2025
25.2M β†’ FINISH5812+46#2025#1979
TOTALS785657-46
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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing