Boston Marathon logo
BOSTON MARATHON 2024

Hui Li

Bib: 14277•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
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
7:46/mi
24:07
↑ 97↓ 3451.5%
10K· 6.21 mi
8:07/mi
49:21
↑ 79↓ 1380.4%
15K· 9.32 mi
8:49/mi
1:16:45
↑ 67↓ 78
20K· 12.43 mi
9:10/mi
1:45:14
↑ 106↓ 860.1%
Half· 13.11 mi
8:54/mi
1:51:18
↑ 19↓ 370.5%
25K· 15.53 mi
9:34/mi
2:14:29
↑ 66↓ 880.2%
30K· 18.64 mi
9:57/mi
2:45:25
↑ 181↓ 1480.2%
20M
9:49/mi
2:58:45
↑ 64↓ 500.2%
21M
10:36/mi
3:09:21
↑ 106↓ 241.6%
35K· 21.75 mi
9:51/mi
3:16:43
↑ 17↓ 861.7%
23M
9:54/mi
3:29:07
↑ 23↓ 630.6%
24M
9:43/mi
3:38:50
↓ 821.3%
40K· 24.85 mi
9:30/mi
3:46:57
↓ 200.3%
25.2M
10:18/mi
3:50:30
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
3:59:24
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:18
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time2:08:06
Pace9:46 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:3524:077:4624:07
7:46
-
10K
6.21 mi11:20:4949:217:5725:14
8:07
+0:21
15K
9.32 mi11:48:131:16:458:1427:24
8:49
+0:42
20K
12.43 mi12:16:421:45:148:2828:29
9:10
+0:21
Half
13.11 mi12:22:461:51:188:296:04
8:54
-0:16
25K
15.53 mi12:45:572:14:298:3923:11
9:34
+0:40
30K
18.64 mi13:16:532:45:258:5230:56
9:57
+0:23
20M
20.00 mi13:30:132:58:458:5613:20
9:49
-0:08
21M
21.00 mi13:40:493:09:219:0110:36
10:36
+0:47
35K
21.75 mi13:48:113:16:439:037:22
9:51
-0:45
23M
23.00 mi14:00:353:29:079:0612:24
9:54
+0:03
24M
24.00 mi14:10:183:38:509:079:43
9:43
-0:11
40K
24.85 mi14:18:253:46:579:088:07
9:30
-0:13
25.2M
25.20 mi14:21:583:50:309:093:33
10:18
+0:48
Finish
26.22 mi14:30:523:59:249:088:54
8:44
-1:34

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

7:46 /mi

Average Pace

9:08 /mi

Slowest Pace

10:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:12

50% of race

Time at Steady Pace

1:14:07

31% of race

Time at Slower Pace

45:05

19% of race

Average Pace: 9:08 /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 mi10:55:3524:077:4624:07
7:46
#12830
10K
6.21 mi11:20:4949:217:5725:14
8:07
#14002
15K
9.32 mi11:48:131:16:458:1427:24
8:49
#15553
20K
12.43 mi12:16:421:45:148:2828:29
9:10
#16230
Half
13.11 mi12:22:461:51:188:296:04
8:54
#16326
25K
15.53 mi12:45:572:14:298:3923:11
9:34
#16610
30K
18.64 mi13:16:532:45:258:5230:56
9:57
#16754
20M
20.00 mi13:30:132:58:458:5613:20
9:49
#16692
21M
21.00 mi13:40:493:09:219:0110:36
10:36
#16613
35K
21.75 mi13:48:113:16:439:037:22
9:51
#16641
23M
23.00 mi14:00:353:29:079:0612:24
9:54
#16547
24M
24.00 mi14:10:183:38:509:079:43
9:43
#16470
40K
24.85 mi14:18:253:46:579:088:07
9:30
#16302
25.2M
25.20 mi14:21:583:50:309:093:33
10:18
#16233
Finish
26.22 mi14:30:523:59:249:088:54
8:44
#16126
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128303629362918062(Top 71%)6747(Top 62%)6747(Top 145%)
10K6.21 mi3.10 mi14002-11724341-7124341-71215034(Top 59%)4959(Top 45%)4959(Top 106%)
15K9.32 mi3.11 mi15553-15515279-9385279-93818062(Top 71%)6747(Top 62%)6747(Top 145%)
20K12.43 mi3.11 mi16230-6775704-4255704-42518066(Top 71%)6738(Top 62%)6738(Top 145%)
Half13.11 mi0.68 mi16326-965765-615765-6117779(Top 70%)6671(Top 61%)6671(Top 143%)
25K15.53 mi2.42 mi16610-2845969-2045969-20417748(Top 69%)6679(Top 61%)6679(Top 143%)
30K18.64 mi3.11 mi16754-1446118-1496118-14917220(Top 67%)6635(Top 61%)6635(Top 142%)
20M20.00 mi1.36 mi16692+626119-16119-115815(Top 62%)6113(Top 56%)6113(Top 131%)
21M21.00 mi1.00 mi16613+796093+266093+2615169(Top 59%)5903(Top 54%)5903(Top 127%)
35K21.75 mi0.75 mi16641-286131-386131-3816679(Top 65%)6690(Top 61%)6690(Top 144%)
23M23.00 mi1.25 mi16547+946105+266105+2615156(Top 59%)5996(Top 55%)5996(Top 129%)
24M24.00 mi1.00 mi16470+776104+16104+115333(Top 60%)6122(Top 56%)6122(Top 131%)
40K24.85 mi0.85 mi16302+1686038+666038+6613113(Top 51%)5108(Top 47%)5108(Top 110%)
25.2M25.20 mi0.35 mi16233+696018+206018+2012135(Top 47%)4682(Top 43%)4682(Top 100%)
Finish26.22 mi1.02 mi16126+1075980+385980+3812861(Top 50%)4904(Top 45%)4904(Top 105%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18062

Females

6747

F18-39

6747

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15034

Females

4959

F18-39

4959

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18062

Females

6747

F18-39

6747

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18066

Females

6738

F18-39

6738

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

17779

Females

6671

F18-39

6671

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

17748

Females

6679

F18-39

6679

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17220

Females

6635

F18-39

6635

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

15815

Females

6113

F18-39

6113

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15169

Females

5903

F18-39

5903

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

16679

Females

6690

F18-39

6690

35K→23M

21.8 - 23.0 mi

Top 59%
×5story building
+23ft-63ft

Overall

15156

Females

5996

F18-39

5996

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

15333

Females

6122

F18-39

6122

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13113

Females

5108

F18-39

5108

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12135

Females

4682

F18-39

4682

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

12861

Females

4904

F18-39

4904

Passing Analysis

Category:
Athletes Passed
1512
Passed By
4808
Net Change
-3296
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12830
5K → 10K471219-1172#12830#14002
10K → 15K301581-1551#14002#15553
15K → 20K96773-677#15553#16230
20K → Half21117-96#16230#16326
Half → 25K143427-284#16326#16610
25K → 30K187331-144#16610#16754
30K → 20M13876+62#16754#16692
20M → 21M14465+79#16692#16613
21M → 35K5785-28#16613#16641
35K → 23M13844+94#16641#16547
23M → 24M12245+77#16547#16470
24M → 40K17810+168#16470#16302
40K → 25.2M767+69#16302#16233
25.2M → Finish13528+107#16233#16126
TOTALS15124808-3296
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing