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BOSTON MARATHON 2024

Xiali He

Bib: 18363•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 44%
Gender (Female)
#0 / 10924
Top 30%
Masters (Masters Women)
#0 / 6263
Top 18%
Division (F45-49)
#0 / 1753
Top 21%
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
7:48/mi
24:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:47/mi
48:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:58/mi
1:13:11
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:38:56
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:44:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:04:47
↑ 66↓ 880.2%
30K· 18.64 mi
8:41/mi
2:31:46
↑ 181↓ 1480.2%
20M
8:35/mi
2:43:26
↑ 64↓ 500.2%
21M
9:05/mi
2:52:31
↑ 106↓ 241.6%
35K· 21.75 mi
8:29/mi
2:58:52
↑ 17↓ 861.7%
23M
8:49/mi
3:09:54
↑ 23↓ 630.6%
24M
8:24/mi
3:18:18
↓ 821.3%
40K· 24.85 mi
8:28/mi
3:25:32
↓ 200.3%
25.2M
9:20/mi
3:28:45
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:36:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:28
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:52:16
Pace8:34 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3524:147:4824:14
7:48
-
10K
6.21 mi11:39:4748:267:4824:12
7:47
-0:01
15K
9.32 mi12:04:321:13:117:5124:45
7:58
+0:11
20K
12.43 mi12:30:171:38:567:5825:45
8:17
+0:19
Half
13.11 mi12:35:491:44:287:585:32
8:07
-0:10
25K
15.53 mi12:56:082:04:478:0220:19
8:23
+0:16
30K
18.64 mi13:23:072:31:468:0826:59
8:41
+0:18
20M
20.00 mi13:34:472:43:268:1011:40
8:35
-0:06
21M
21.00 mi13:43:522:52:318:139:05
9:05
+0:30
35K
21.75 mi13:50:132:58:528:136:21
8:29
-0:36
23M
23.00 mi14:01:153:09:548:1511:02
8:49
+0:20
24M
24.00 mi14:09:393:18:188:168:24
8:24
-0:25
40K
24.85 mi14:16:533:25:328:167:14
8:28
+0:04
25.2M
25.20 mi14:20:063:28:458:173:13
9:20
+0:52
Finish
26.22 mi14:28:053:36:448:167:59
7:50
-1:30

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

7:47 /mi

Average Pace

8:16 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:45

71% of race

Time at Steady Pace

58:46

27% of race

Time at Slower Pace

3:13

1% 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 mi11:15:3524:147:4824:14
7:48
#13106
10K
6.21 mi11:39:4748:267:4824:12
7:47
#12844
15K
9.32 mi12:04:321:13:117:5124:45
7:58
#12927
20K
12.43 mi12:30:171:38:567:5825:45
8:17
#13100
Half
13.11 mi12:35:491:44:287:585:32
8:07
#13108
25K
15.53 mi12:56:082:04:478:0220:19
8:23
#12947
30K
18.64 mi13:23:072:31:468:0826:59
8:41
#12609
20M
20.00 mi13:34:472:43:268:1011:40
8:35
#12341
21M
21.00 mi13:43:522:52:318:139:05
9:05
#12086
35K
21.75 mi13:50:132:58:528:136:21
8:29
#12010
23M
23.00 mi14:01:153:09:548:1511:02
8:49
#11845
24M
24.00 mi14:09:393:18:188:168:24
8:24
#11649
40K
24.85 mi14:16:533:25:328:167:14
8:28
#11456
25.2M
25.20 mi14:20:063:28:458:173:13
9:20
#11361
Finish
26.22 mi14:28:053:36:448:167:59
7:50
#11171
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi131063781378113214(Top 52%)3923(Top 36%)3923(Top 224%)
10K6.21 mi3.10 mi12844+2623647+1343647+13412566(Top 49%)3516(Top 32%)3516(Top 201%)
15K9.32 mi3.11 mi12927-833710-633710-6313214(Top 52%)3923(Top 36%)3923(Top 224%)
20K12.43 mi3.11 mi13100-1733836-1263836-12613638(Top 53%)4208(Top 39%)4208(Top 240%)
Half13.11 mi0.68 mi13108-83853-173853-1713473(Top 53%)4165(Top 38%)4165(Top 238%)
25K15.53 mi2.42 mi12947+1613780+733780+7312412(Top 49%)3730(Top 34%)3730(Top 213%)
30K18.64 mi3.11 mi12609+3383681+993681+9911611(Top 45%)3521(Top 32%)3521(Top 201%)
20M20.00 mi1.36 mi12341+2683588+933588+939928(Top 39%)2910(Top 27%)2910(Top 166%)
21M21.00 mi1.00 mi12086+2553520+683520+688978(Top 35%)2688(Top 25%)2688(Top 153%)
35K21.75 mi0.75 mi12010+763506+143506+1410692(Top 42%)3580(Top 33%)3580(Top 204%)
23M23.00 mi1.25 mi11845+1653487+193487+1910180(Top 40%)3488(Top 32%)3488(Top 199%)
24M24.00 mi1.00 mi11649+1963433+543433+548874(Top 35%)2890(Top 26%)2890(Top 165%)
40K24.85 mi0.85 mi11456+1933373+603373+608171(Top 32%)2669(Top 24%)2669(Top 152%)
25.2M25.20 mi0.35 mi11361+953348+253348+258087(Top 32%)2710(Top 25%)2710(Top 155%)
Finish26.22 mi1.02 mi11171+1903294+543294+547577(Top 30%)2378(Top 22%)2378(Top 136%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13214

Females

3923

F45-49

3923

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

12566

Females

3516

F45-49

3516

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13214

Females

3923

F45-49

3923

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

13638

Females

4208

F45-49

4208

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

13473

Females

4165

F45-49

4165

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

12412

Females

3730

F45-49

3730

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11611

Females

3521

F45-49

3521

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

9928

Females

2910

F45-49

2910

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

8978

Females

2688

F45-49

2688

21M→35K

21.0 - 21.8 mi

Top 42%
×7story building
+17ft-86ft

Overall

10692

Females

3580

F45-49

3580

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10180

Females

3488

F45-49

3488

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

8874

Females

2890

F45-49

2890

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8171

Females

2669

F45-49

2669

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8087

Females

2710

F45-49

2710

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7577

Females

2378

F45-49

2378

Passing Analysis

Category:
Athletes Passed
3268
Passed By
1333
Net Change
+1935
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13106
5K → 10K437175+262#13106#12844
10K → 15K185268-83#12844#12927
15K → 20K222395-173#12927#13100
20K → Half5462-8#13100#13108
Half → 25K323162+161#13108#12947
25K → 30K455117+338#12947#12609
30K → 20M28113+268#12609#12341
20M → 21M28631+255#12341#12086
21M → 35K9620+76#12086#12010
35K → 23M20944+165#12010#11845
23M → 24M21519+196#11845#11649
24M → 40K20310+193#11649#11456
40K → 25.2M1016+95#11456#11361
25.2M → Finish20111+190#11361#11171
TOTALS32681333+1935
📊

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