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BOSTON MARATHON 2024

Sunan Li

Bib: 13136•F

VA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:46
Rank: #18402
Start → 5K
26:46 | 8:37/mi
10K· 6.21 mi
53:32
Rank: #18166 (+236)
5K → 10K
26:46 | 8:37/mi
15K· 9.32 mi
1:20:17
Rank: #17766 (+400)
10K → 15K
26:45 | 8:37/mi
20K· 12.43 mi
1:47:39
Rank: #17294 (+472)
15K → 20K
27:22 | 8:49/mi
Half· 13.11 mi
1:53:24
Rank: #17180 (+114)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:14:45
Rank: #16715 (+465)
Half → 25K
21:21 | 8:48/mi
30K· 18.64 mi
2:43:47
Rank: #16333 (+382)
25K → 30K
29:02 | 9:21/mi
20M
2:59:01
Rank: #16766 (-433)
30K → 20M
15:14 | 11:13/mi
21M
3:09:28
Rank: #16642 (+124)
20M → 21M
10:27 | 10:27/mi
35K· 21.75 mi
3:16:27
Rank: #16592 (+50)
21M → 35K
6:59 | 9:20/mi
23M
3:28:20
Rank: #16387 (+205)
35K → 23M
11:53 | 9:29/mi
24M
3:38:30
Rank: #16398 (-11)
23M → 24M
10:10 | 10:10/mi
40K· 24.85 mi
3:47:15
Rank: #16359 (+39)
24M → 40K
8:45 | 10:14/mi
25.2M
3:51:24
Rank: #16394 (-35)
40K → 25.2M
4:09 | 12:02/mi
Finish· 26.22 mi
4:01:01
Rank: #16385 (+9)
25.2M → Finish
9:37 | 9:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:24
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:07:37
Pace9:44 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:4226:468:3726:46
8:37
-
10K
6.21 mi11:23:2853:328:3726:46
8:37
0:00
15K
9.32 mi11:50:131:20:178:3726:45
8:37
0:00
20K
12.43 mi12:17:351:47:398:4027:22
8:49
+0:12
Half
13.11 mi12:23:201:53:248:395:45
8:26
-0:23
25K
15.53 mi12:44:412:14:458:4021:21
8:48
+0:22
30K
18.64 mi13:13:432:43:478:4729:02
9:21
+0:33
20M
20.00 mi13:28:572:59:018:5715:14
11:13
+1:52
21M
21.00 mi13:39:243:09:289:0110:27
10:27
-0:46
35K
21.75 mi13:46:233:16:279:026:59
9:20
-1:07
23M
23.00 mi13:58:163:28:209:0311:53
9:29
+0:09
24M
24.00 mi14:08:263:38:309:0610:10
10:10
+0:41
40K
24.85 mi14:17:113:47:159:098:45
10:14
+0:04
25.2M
25.20 mi14:21:203:51:249:114:09
12:02
+1:48
Finish
26.22 mi14:30:574:01:019:129:37
9:26
-2:36

Checkpoints & Pacing

📈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

8:26 /mi

Average Pace

9:12 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:45

56% of race

Time at Steady Pace

57:31

24% of race

Time at Slower Pace

48:45

20% of race

Average Pace: 9:12 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:56:4226:468:3726:46
8:37
#18402
10K
6.21 mi11:23:2853:328:3726:46
8:37
#18166
15K
9.32 mi11:50:131:20:178:3726:45
8:37
#17766
20K
12.43 mi12:17:351:47:398:4027:22
8:49
#17294
Half
13.11 mi12:23:201:53:248:395:45
8:26
#17180
25K
15.53 mi12:44:412:14:458:4021:21
8:48
#16715
30K
18.64 mi13:13:432:43:478:4729:02
9:21
#16333
20M
20.00 mi13:28:572:59:018:5715:14
11:13
#16766
21M
21.00 mi13:39:243:09:289:0110:27
10:27
#16642
35K
21.75 mi13:46:233:16:279:026:59
9:20
#16592
23M
23.00 mi13:58:163:28:209:0311:53
9:29
#16387
24M
24.00 mi14:08:263:38:309:0610:10
10:10
#16398
40K
24.85 mi14:17:113:47:159:098:45
10:14
#16359
25.2M
25.20 mi14:21:203:51:249:114:09
12:02
#16394
Finish
26.22 mi14:30:574:01:019:129:37
9:26
#16385
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi184026992699217029(Top 67%)6154(Top 56%)6154(Top 132%)
10K6.21 mi3.10 mi18166+2366842+1506842+15017944(Top 70%)6690(Top 61%)6690(Top 144%)
15K9.32 mi3.11 mi17766+4006589+2536589+25317029(Top 67%)6154(Top 56%)6154(Top 132%)
20K12.43 mi3.11 mi17294+4726343+2466343+24616445(Top 64%)5855(Top 54%)5855(Top 126%)
Half13.11 mi0.68 mi17180+1146285+586285+5815360(Top 60%)5259(Top 48%)5259(Top 113%)
25K15.53 mi2.42 mi16715+4656027+2586027+25814608(Top 57%)4954(Top 45%)4954(Top 106%)
30K18.64 mi3.11 mi16333+3825873+1545873+15414816(Top 58%)5320(Top 49%)5320(Top 114%)
20M20.00 mi1.36 mi16766-4336160-2876160-28719763(Top 77%)8096(Top 74%)8096(Top 174%)
21M21.00 mi1.00 mi16642+1246117+436117+4314685(Top 57%)5665(Top 52%)5665(Top 122%)
35K21.75 mi0.75 mi16592+506102+156102+1514875(Top 58%)5779(Top 53%)5779(Top 124%)
23M23.00 mi1.25 mi16387+2056021+816021+8113499(Top 53%)5160(Top 47%)5160(Top 111%)
24M24.00 mi1.00 mi16398-116067-466067-4616875(Top 66%)6881(Top 63%)6881(Top 148%)
40K24.85 mi0.85 mi16359+396072-56072-515828(Top 62%)6409(Top 59%)6409(Top 138%)
25.2M25.20 mi0.35 mi16394-356103-316103-3117428(Top 68%)7256(Top 66%)7256(Top 156%)
Finish26.22 mi1.02 mi16385+96132-296132-2916258(Top 64%)6638(Top 61%)6638(Top 142%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17029

Females

6154

F18-39

6154

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

17944

Females

6690

F18-39

6690

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17029

Females

6154

F18-39

6154

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

16445

Females

5855

F18-39

5855

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

15360

Females

5259

F18-39

5259

Half→25K

13.1 - 15.5 mi

Top 57%
×4stories
+66ft-88ft

Overall

14608

Females

4954

F18-39

4954

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

14816

Females

5320

F18-39

5320

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

19763

Females

8096

F18-39

8096

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

14685

Females

5665

F18-39

5665

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

14875

Females

5779

F18-39

5779

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

13499

Females

5160

F18-39

5160

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

16875

Females

6881

F18-39

6881

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

15828

Females

6409

F18-39

6409

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17428

Females

7256

F18-39

7256

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

16258

Females

6638

F18-39

6638

Passing Analysis

Category:
Athletes Passed
3247
Passed By
1230
Net Change
+2017
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18402
5K → 10K410174+236#18402#18166
10K → 15K46262+400#18166#17766
15K → 20K52149+472#17766#17294
20K → Half1184+114#17294#17180
Half → 25K48318+465#17180#16715
25K → 30K44765+382#16715#16333
30K → 20M32465-433#16333#16766
20M → 21M17450+124#16766#16642
21M → 35K8636+50#16642#16592
35K → 23M22520+205#16592#16387
23M → 24M8293-11#16387#16398
24M → 40K10465+39#16398#16359
40K → 25.2M2560-35#16359#16394
25.2M → Finish7869+9#16394#16385
TOTALS32471230+2017
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing