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BOSTON MARATHON 2024

Lin Xia

Bib: 21139•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 38%
Gender (Female)
#0 / 10924
Top 23%
Masters (Masters Women)
#0 / 6263
Top 12%
Division (F45-49)
#0 / 1753
Top 13%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:03/mi
25:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:56/mi
49:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:14:27
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:39:18
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:44:45
↑ 19↓ 370.5%
25K· 15.53 mi
8:04/mi
2:04:19
↑ 66↓ 880.2%
30K· 18.64 mi
8:06/mi
2:29:28
↑ 181↓ 1480.2%
20M
8:11/mi
2:40:35
↑ 64↓ 500.2%
21M
8:38/mi
2:49:13
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:55:12
↑ 17↓ 861.7%
23M
8:02/mi
3:05:16
↑ 23↓ 630.6%
24M
7:55/mi
3:13:11
↓ 821.3%
40K· 24.85 mi
7:58/mi
3:20:00
↓ 200.3%
25.2M
8:51/mi
3:23:03
↑ 13↓ 160.2%
Finish· 26.22 mi
7:27/mi
3:30:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:45
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:45:54
Pace8:05 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:0925:018:0325:01
8:03
-
10K
6.21 mi11:48:4849:408:0024:39
7:56
-0:07
15K
9.32 mi12:13:351:14:277:5924:47
7:59
+0:03
20K
12.43 mi12:38:261:39:187:5924:51
8:00
+0:01
Half
13.11 mi12:43:531:44:457:595:27
7:59
-0:01
25K
15.53 mi13:03:272:04:198:0019:34
8:04
+0:05
30K
18.64 mi13:28:362:29:288:0125:09
8:06
+0:02
20M
20.00 mi13:39:432:40:358:0211:07
8:11
+0:05
21M
21.00 mi13:48:212:49:138:038:38
8:38
+0:27
35K
21.75 mi13:54:202:55:128:035:59
8:00
-0:38
23M
23.00 mi14:04:243:05:168:0310:04
8:02
+0:02
24M
24.00 mi14:12:193:13:118:037:55
7:55
-0:07
40K
24.85 mi14:19:083:20:008:036:49
7:58
+0:03
25.2M
25.20 mi14:22:113:23:038:033:03
8:51
+0:53
Finish
26.22 mi14:29:473:30:398:027:36
7:27
-1:24

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

7:27 /mi

Average Pace

8:02 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:58

94% of race

Time at Steady Pace

8:38

4% of race

Time at Slower Pace

3:03

1% of race

Average Pace: 8:02 /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 mi11:24:0925:018:0325:01
8:03
#15024
10K
6.21 mi11:48:4849:408:0024:39
7:56
#14350
15K
9.32 mi12:13:351:14:277:5924:47
7:59
#13986
20K
12.43 mi12:38:261:39:187:5924:51
8:00
#13362
Half
13.11 mi12:43:531:44:457:595:27
7:59
#13302
25K
15.53 mi13:03:272:04:198:0019:34
8:04
#12744
30K
18.64 mi13:28:362:29:288:0125:09
8:06
#11799
20M
20.00 mi13:39:432:40:358:0211:07
8:11
#11409
21M
21.00 mi13:48:212:49:138:038:38
8:38
#11009
35K
21.75 mi13:54:202:55:128:035:59
8:00
#10837
23M
23.00 mi14:04:243:05:168:0310:04
8:02
#10466
24M
24.00 mi14:12:193:13:118:037:55
7:55
#10233
40K
24.85 mi14:19:083:20:008:036:49
7:58
#10022
25.2M
25.20 mi14:22:113:23:038:033:03
8:51
#9922
Finish
26.22 mi14:29:473:30:398:027:36
7:27
#9720
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi150244956495613297(Top 52%)3968(Top 36%)3968(Top 226%)
10K6.21 mi3.10 mi14350+6744543+4134543+41313705(Top 54%)4163(Top 38%)4163(Top 237%)
15K9.32 mi3.11 mi13986+3644329+2144329+21413297(Top 52%)3968(Top 36%)3968(Top 226%)
20K12.43 mi3.11 mi13362+6243991+3383991+33811805(Top 46%)3211(Top 29%)3211(Top 183%)
Half13.11 mi0.68 mi13302+603966+253966+2512676(Top 50%)3683(Top 34%)3683(Top 210%)
25K15.53 mi2.42 mi12744+5583673+2933673+29310643(Top 42%)2792(Top 26%)2792(Top 159%)
30K18.64 mi3.11 mi11799+9453233+4403233+4408435(Top 33%)1953(Top 18%)1953(Top 111%)
20M20.00 mi1.36 mi11409+3903082+1513082+1517753(Top 30%)1877(Top 17%)1877(Top 107%)
21M21.00 mi1.00 mi11009+4002935+1472935+1476870(Top 27%)1661(Top 15%)1661(Top 95%)
35K21.75 mi0.75 mi10837+1722891+442891+447814(Top 31%)2142(Top 20%)2142(Top 122%)
23M23.00 mi1.25 mi10466+3712760+1312760+1315976(Top 23%)1446(Top 13%)1446(Top 82%)
24M24.00 mi1.00 mi10233+2332689+712689+716209(Top 24%)1627(Top 15%)1627(Top 93%)
40K24.85 mi0.85 mi10022+2112616+732616+735706(Top 22%)1528(Top 14%)1528(Top 87%)
25.2M25.20 mi0.35 mi9922+1002587+292587+295916(Top 23%)1691(Top 15%)1691(Top 96%)
Finish26.22 mi1.02 mi9720+2022526+612526+615430(Top 21%)1385(Top 13%)1385(Top 79%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13297

Females

3968

F45-49

3968

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

13705

Females

4163

F45-49

4163

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13297

Females

3968

F45-49

3968

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

11805

Females

3211

F45-49

3211

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

12676

Females

3683

F45-49

3683

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

10643

Females

2792

F45-49

2792

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

8435

Females

1953

F45-49

1953

30K→20M

18.6 - 20.0 mi

Top 30%
×5story building
+64ft-50ft

Overall

7753

Females

1877

F45-49

1877

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

6870

Females

1661

F45-49

1661

21M→35K

21.0 - 21.8 mi

Top 31%
×7story building
+17ft-86ft

Overall

7814

Females

2142

F45-49

2142

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

5976

Females

1446

F45-49

1446

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6209

Females

1627

F45-49

1627

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5706

Females

1528

F45-49

1528

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

5916

Females

1691

F45-49

1691

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5430

Females

1385

F45-49

1385

Passing Analysis

Category:
Athletes Passed
5549*
Passed By
245
Net Change
+5304
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15024
5K → 10K74470+674#15024#14350
10K → 15K43066+364#14350#13986
15K → 20K64117+624#13986#13362
20K → Half7717+60#13362#13302
Half → 25K58527+558#13302#12744
25K → 30K9505+945#12744#11799
30K → 20M3999+390#11799#11409
20M → 21M4088+400#11409#11009
21M → 35K1775+172#11009#10837
35K → 23M3743+371#10837#10466
23M → 24M2396+233#10466#10233
24M → 40K217*6+211#10233#10022
40K → 25.2M102*2+100#10022#9922
25.2M → Finish2064+202#9922#9720
TOTALS5549*245+5304

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

📊

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