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BOSTON MARATHON 2026

Shi Nan Feng

Bib: 14604β€’F

MD

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 35%
Gender (Female)
#0 / 12578
Top 18%
Age Group (F18-39)
#0 / 5716
Top 33%
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
5KΒ· 3.11 mi
22:23
Rank: #10227
Start β†’ 5K
22:23 | 7:13/mi
10KΒ· 6.21 mi
44:44
Rank: #10204 (+23)
5K β†’ 10K
22:21 | 7:12/mi
15KΒ· 9.32 mi
1:07:40
Rank: #10698 (-494)
10K β†’ 15K
22:56 | 7:23/mi
20KΒ· 12.43 mi
1:30:44
Rank: #10835 (-137)
15K β†’ 20K
23:04 | 7:26/mi
HALFΒ· 13.11 mi
1:35:46
Rank: #10876 (-41)
20K β†’ HALF
5:02 | 7:24/mi
25KΒ· 15.53 mi
1:54:07
Rank: #11047 (-171)
HALF β†’ 25K
18:21 | 7:34/mi
30KΒ· 18.64 mi
2:17:44
Rank: #10896 (+151)
25K β†’ 30K
23:37 | 7:37/mi
20M
2:28:11
Rank: #10846 (+50)
30K β†’ 20M
10:27 | 7:42/mi
21M
2:35:59
Rank: #10673 (+173)
20M β†’ 21M
7:48 | 7:48/mi
35KΒ· 21.75 mi
2:41:25
Rank: #10580 (+93)
21M β†’ 35K
5:26 | 7:16/mi
23M
2:50:57
Rank: #10473 (+107)
35K β†’ 23M
9:32 | 7:38/mi
24M
2:58:19
Rank: #10383 (+90)
23M β†’ 24M
7:22 | 7:22/mi
40KΒ· 24.85 mi
3:04:47
Rank: #10313 (+70)
24M β†’ 40K
6:28 | 7:34/mi
25.2M
3:07:31
Rank: #10250 (+63)
40K β†’ 25.2M
2:44 | 7:56/mi
FINISHΒ· 26.22 mi
3:14:35
Rank: #10084 (+166)
25.2M β†’ FINISH
7:04 | 6:57/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
Time1:35:46
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:38:49
Pace7:33 /mi
πŸ“ŠPositive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5022:237:1322:23
7:13
-
10K
6.21 mi11:15:1144:447:1222:21
7:12
-0:01
15K
9.32 mi11:38:071:07:407:1622:56
7:23
+0:11
20K
12.43 mi12:01:111:30:447:1923:04
7:26
+0:03
HALF
13.11 mi12:06:131:35:467:195:02
7:24
-0:02
25K
15.53 mi12:24:341:54:077:2118:21
7:34
+0:10
30K
18.64 mi12:48:112:17:447:2423:37
7:37
+0:03
20M
20.00 mi12:58:382:28:117:2510:27
7:42
+0:05
21M
21.00 mi13:06:262:35:597:267:48
7:48
+0:06
35K
21.75 mi13:11:522:41:257:265:26
7:16
-0:32
23M
23.00 mi13:21:242:50:577:269:32
7:38
+0:22
24M
24.00 mi13:28:462:58:197:267:22
7:22
-0:16
40K
24.85 mi13:35:143:04:477:276:28
7:34
+0:12
25.2M
25.20 mi13:37:583:07:317:272:44
7:56
+0:22
FINISH
26.22 mi13:45:023:14:357:267:04
6:57
-0:59

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

6:57 /mi

Average Pace

7:26 /mi

Slowest Pace

7:56 /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

2:53:36

89% of race

Time at Steady Pace

20:59

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:25 /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 mi10:52:5022:237:1322:23
7:13
#10227
10K
6.21 mi11:15:1144:447:1222:21
7:12
#10204
15K
9.32 mi11:38:071:07:407:1622:56
7:23
#10698
20K
12.43 mi12:01:111:30:447:1923:04
7:26
#10835
HALF
13.11 mi12:06:131:35:467:195:02
7:24
#10876
25K
15.53 mi12:24:341:54:077:2118:21
7:34
#11047
30K
18.64 mi12:48:112:17:447:2423:37
7:37
#10896
20M
20.00 mi12:58:382:28:117:2510:27
7:42
#10846
21M
21.00 mi13:06:262:35:597:267:48
7:48
#10673
35K
21.75 mi13:11:522:41:257:265:26
7:16
#10580
23M
23.00 mi13:21:242:50:577:269:32
7:38
#10473
24M
24.00 mi13:28:462:58:197:267:22
7:22
#10383
40K
24.85 mi13:35:143:04:477:276:28
7:34
#10313
25.2M
25.20 mi13:37:583:07:317:272:44
7:56
#10250
FINISH
26.22 mi13:45:023:14:357:267:04
6:57
#10084
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi102271988198811786(Top 41%)2913(Top 23%)2913(Top 51%)
10K6.21 mi3.10 mi10204+231999-111999-1110231(Top 35%)2020(Top 16%)2020(Top 35%)
15K9.32 mi3.11 mi10698-4942269-2702269-27011786(Top 41%)2913(Top 23%)2913(Top 51%)
20K12.43 mi3.11 mi10835-1372381-1122381-11211342(Top 39%)2749(Top 22%)2749(Top 48%)
HALF13.11 mi0.68 mi10876-412408-272408-2711975(Top 41%)2989(Top 24%)2989(Top 52%)
25K15.53 mi2.42 mi11047-1712514-1062514-10611989(Top 41%)3157(Top 25%)3157(Top 55%)
30K18.64 mi3.11 mi10896+1512500+142500+1410457(Top 36%)2494(Top 20%)2494(Top 44%)
20M20.00 mi1.36 mi10846+502499+12499+110556(Top 36%)2659(Top 21%)2659(Top 47%)
21M21.00 mi1.00 mi10673+1732431+682431+688566(Top 30%)1853(Top 15%)1853(Top 32%)
35K21.75 mi0.75 mi10580+932404+272404+279068(Top 31%)2053(Top 16%)2053(Top 36%)
23M23.00 mi1.25 mi10473+1072387+172387+179735(Top 34%)2465(Top 20%)2465(Top 43%)
24M24.00 mi1.00 mi10383+902362+252362+259123(Top 31%)2233(Top 18%)2233(Top 39%)
40K24.85 mi0.85 mi10313+702351+112351+119337(Top 32%)2435(Top 19%)2435(Top 43%)
25.2M25.20 mi0.35 mi10250+632326+252326+257992(Top 28%)1875(Top 15%)1875(Top 33%)
FINISH26.22 mi1.02 mi10084+1662269+572269+577093(Top 24%)1524(Top 12%)1524(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
Γ—21stories
+97ft-345ft

Overall

11786

Females

2913

F18-39

2913

5K→10K

3.1 - 6.2 mi

Top 35%
Γ—5stories
+79ft-138ft

Overall

10231

Females

2020

F18-39

2020

10K→15K

6.2 - 9.3 mi

Top 41%
Γ—3stories
+67ft-78ft

Overall

11786

Females

2913

F18-39

2913

15K→20K

9.3 - 12.4 mi

Top 39%
Γ—5stories
+106ft-86ft

Overall

11342

Females

2749

F18-39

2749

20K→HALF

12.4 - 13.1 mi

Top 41%
Γ—2stories
+19ft-37ft

Overall

11975

Females

2989

F18-39

2989

HALF→25K

13.1 - 15.5 mi

Top 41%
Γ—4stories
+66ft-88ft

Overall

11989

Females

3157

F18-39

3157

25K→30K

15.5 - 18.6 mi

Top 36%
Γ—9stories
+181ft-148ft

Overall

10457

Females

2494

F18-39

2494

30K→20M

18.6 - 20.0 mi

Top 36%
Γ—5stories
+64ft-50ft

Overall

10556

Females

2659

F18-39

2659

20M→21M

20.0 - 21.0 mi

Top 30%
Γ—8stories
+106ft-24ft

Overall

8566

Females

1853

F18-39

1853

21M→35K

21.0 - 21.8 mi

Top 31%
Γ—7stories
+17ft-86ft

Overall

9068

Females

2053

F18-39

2053

35K→23M

21.8 - 23.0 mi

Top 34%
Γ—5stories
+23ft-63ft

Overall

9735

Females

2465

F18-39

2465

23M→24M

23.0 - 24.0 mi

Top 31%
Γ—6stories
+12ft-82ft

Overall

9123

Females

2233

F18-39

2233

24M→40K

24.0 - 24.9 mi

Top 32%
Γ—1story
+6ft-20ft

Overall

9337

Females

2435

F18-39

2435

40K→25.2M

24.9 - 25.2 mi

Top 28%
Γ—1story
+13ft-16ft

Overall

7992

Females

1875

F18-39

1875

25.2M→FINISH

25.2 - 26.2 mi

Top 24%
Γ—2stories
+22ft-21ft

Overall

7093

Females

1524

F18-39

1524

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1866
Passed By
1722
Net Change
+143
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#10227
5K β†’ 10K253229+23#10227#10204
10K β†’ 15K56550-494#10204#10698
15K β†’ 20K119256-137#10698#10835
20K β†’ HALF2263-41#10835#10876
HALF β†’ 25K97268-171#10876#11047
25K β†’ 30K270119+151#11047#10896
30K β†’ 20M12171+50#10896#10846
20M β†’ 21M19017+173#10846#10673
21M β†’ 35K10714+93#10673#10580
35K β†’ 23M16255+107#10580#10473
23M β†’ 24M12232+90#10473#10383
24M β†’ 40K10333+70#10383#10313
40K β†’ 25.2M685+63#10313#10250
25.2M β†’ FINISH17610+166#10250#10084
TOTALS18661722+143
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