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BOSTON MARATHON 2024

Mulan Xia

Bib: 13092•F

NY

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 44%
Gender (Female)
#0 / 10924
Top 30%
Division (F18-39)
#0 / 4660
Top 47%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:07
Rank: #7819
Start → 5K
7:07/mi
22:07 split
10K· 6.21 mi
44:42
Rank: #8098 (-279)
5K → 10K
7:16/mi
22:35 split
15K· 9.32 mi
1:08:44
Rank: #9159 (-1061)
10K → 15K
7:44/mi
24:02 split
20K· 12.43 mi
1:34:06
Rank: #10202 (-1043)
15K → 20K
8:10/mi
25:22 split
Half· 13.11 mi
1:39:16
Rank: #10165 (+37)
20K → Half
7:34/mi
5:10 split
25K· 15.53 mi
2:00:44
Rank: #11098 (-933)
Half → 25K
8:51/mi
21:28 split
30K· 18.64 mi
2:26:56
Rank: #10827 (+271)
25K → 30K
8:26/mi
26:12 split
20M
2:38:25
Rank: #10642 (+185)
30K → 20M
8:27/mi
11:29 split
21M
2:49:00
Rank: #10929 (-287)
20M → 21M
10:35/mi
10:35 split
35K· 21.75 mi
2:55:33
Rank: #10961 (-32)
21M → 35K
8:45/mi
6:33 split
23M
3:08:11
Rank: #11320 (-359)
35K → 23M
10:05/mi
12:38 split
24M
3:17:19
Rank: #11384 (-64)
23M → 24M
9:08/mi
9:08 split
40K· 24.85 mi
3:25:16
Rank: #11391 (-7)
24M → 40K
9:18/mi
7:57 split
25.2M
3:28:51
Rank: #11387 (+4)
40K → 25.2M
10:23/mi
3:35 split
Finish· 26.22 mi
3:36:34
Rank: #11125 (+262)
25.2M → Finish
7:34/mi
7:43 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:16
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:57:18
Pace8:57 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0922:077:0722:07
7:07
-
10K
6.21 mi11:14:4444:427:1222:35
7:16
+0:09
15K
9.32 mi11:38:461:08:447:2224:02
7:44
+0:28
20K
12.43 mi12:04:081:34:067:3425:22
8:10
+0:26
Half
13.11 mi12:09:181:39:167:345:10
7:34
-0:36
25K
15.53 mi12:30:462:00:447:4621:28
8:51
+1:17
30K
18.64 mi12:56:582:26:567:5326:12
8:26
-0:25
20M
20.00 mi13:08:272:38:257:5511:29
8:27
+0:01
21M
21.00 mi13:19:022:49:008:0310:35
10:35
+2:08
35K
21.75 mi13:25:352:55:338:046:33
8:45
-1:50
23M
23.00 mi13:38:133:08:118:1112:38
10:05
+1:20
24M
24.00 mi13:47:213:17:198:139:08
9:08
-0:57
40K
24.85 mi13:55:183:25:168:167:57
9:18
+0:10
25.2M
25.20 mi13:58:533:28:518:173:35
10:23
+1:05
Finish
26.22 mi14:06:363:36:348:167:43
7:34
-2:49

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

7:07 /mi

Average Pace

8:16 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:21:37

38% of race

Time at Steady Pace

1:31:04

42% of race

Time at Slower Pace

43:53

20% of race

Average Pace: 8:16 /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 mi10:52:0922:077:0722:07
7:07
#7819
10K
6.21 mi11:14:4444:427:1222:35
7:16
#8098
15K
9.32 mi11:38:461:08:447:2224:02
7:44
#9159
20K
12.43 mi12:04:081:34:067:3425:22
8:10
#10202
Half
13.11 mi12:09:181:39:167:345:10
7:34
#10165
25K
15.53 mi12:30:462:00:447:4621:28
8:51
#11098
30K
18.64 mi12:56:582:26:567:5326:12
8:26
#10827
20M
20.00 mi13:08:272:38:257:5511:29
8:27
#10642
21M
21.00 mi13:19:022:49:008:0310:35
10:35
#10929
35K
21.75 mi13:25:352:55:338:046:33
8:45
#10961
23M
23.00 mi13:38:133:08:118:1112:38
10:05
#11320
24M
24.00 mi13:47:213:17:198:139:08
9:08
#11384
40K
24.85 mi13:55:183:25:168:167:57
9:18
#11391
25.2M
25.20 mi13:58:533:28:518:173:35
10:23
#11387
Finish
26.22 mi14:06:363:36:348:167:43
7:34
#11125
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi78191103110311465(Top 45%)2939(Top 27%)2939(Top 63%)
10K6.21 mi3.10 mi8098-2791241-1381241-1388441(Top 33%)1417(Top 13%)1417(Top 30%)
15K9.32 mi3.11 mi9159-10611699-4581699-45811465(Top 45%)2939(Top 27%)2939(Top 63%)
20K12.43 mi3.11 mi10202-10432259-5602259-56012918(Top 51%)3802(Top 35%)3802(Top 82%)
Half13.11 mi0.68 mi10165+372242+172242+179731(Top 38%)2186(Top 20%)2186(Top 47%)
25K15.53 mi2.42 mi11098-9332781-5392781-53914819(Top 58%)5074(Top 46%)5074(Top 109%)
30K18.64 mi3.11 mi10827+2712734+472734+4710304(Top 40%)2852(Top 26%)2852(Top 61%)
20M20.00 mi1.36 mi10642+1852700+342700+349201(Top 36%)2561(Top 23%)2561(Top 55%)
21M21.00 mi1.00 mi10929-2872900-2002900-20015102(Top 59%)5871(Top 54%)5871(Top 126%)
35K21.75 mi0.75 mi10961-322955-552955-5512116(Top 47%)4343(Top 40%)4343(Top 93%)
23M23.00 mi1.25 mi11320-3593206-2513206-25115776(Top 62%)6286(Top 58%)6286(Top 135%)
24M24.00 mi1.00 mi11384-643299-933299-9312802(Top 50%)4821(Top 44%)4821(Top 103%)
40K24.85 mi0.85 mi11391-73332-333332-3312251(Top 48%)4653(Top 43%)4653(Top 100%)
25.2M25.20 mi0.35 mi11387+43363-313363-3112450(Top 49%)4815(Top 44%)4815(Top 103%)
Finish26.22 mi1.02 mi11125+2623268+953268+956055(Top 24%)1692(Top 15%)1692(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

11465

Females

2939

F18-39

2939

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8441

Females

1417

F18-39

1417

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

11465

Females

2939

F18-39

2939

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

12918

Females

3802

F18-39

3802

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

9731

Females

2186

F18-39

2186

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

14819

Females

5074

F18-39

5074

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10304

Females

2852

F18-39

2852

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9201

Females

2561

F18-39

2561

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15102

Females

5871

F18-39

5871

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12116

Females

4343

F18-39

4343

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

15776

Females

6286

F18-39

6286

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

12802

Females

4821

F18-39

4821

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12251

Females

4653

F18-39

4653

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12450

Females

4815

F18-39

4815

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6055

Females

1692

F18-39

1692

Passing Analysis

Category:
Athletes Passed
1670
Passed By
4973
Net Change
-3306
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7819
5K → 10K129408-279#7819#8098
10K → 15K271088-1061#8098#9159
15K → 20K481089-1043#9159#10202
20K → Half5518+37#10202#10165
Half → 25K56988-933#10165#11098
25K → 30K425154+271#11098#10827
30K → 20M23752+185#10827#10642
20M → 21M59346-287#10642#10929
21M → 35K79111-32#10929#10961
35K → 23M65424-359#10961#11320
23M → 24M88152-64#11320#11384
24M → 40K8592-7#11384#11391
40K → 25.2M5046+4#11391#11387
25.2M → Finish2675+262#11387#11125
TOTALS16704973-3306
📊

Passing Visuals

Category:
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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