Boston Marathon logo
BOSTON MARATHON 2024

Xi Hong

Bib: 20345•F

CA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
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
9:05/mi
28:13
↑ 97↓ 3451.5%
10K· 6.21 mi
9:10/mi
56:43
↑ 79↓ 1380.4%
15K· 9.32 mi
9:22/mi
1:25:50
↑ 67↓ 78
20K· 12.43 mi
9:52/mi
1:56:29
↑ 106↓ 860.1%
Half· 13.11 mi
9:40/mi
2:03:05
↑ 19↓ 370.5%
25K· 15.53 mi
9:47/mi
2:26:49
↑ 66↓ 880.2%
30K· 18.64 mi
10:22/mi
2:59:02
↑ 181↓ 1480.2%
20M
10:44/mi
3:13:37
↑ 64↓ 500.2%
21M
12:30/mi
3:26:07
↑ 106↓ 241.6%
35K· 21.75 mi
11:03/mi
3:34:23
↑ 17↓ 861.7%
23M
10:22/mi
3:47:22
↑ 23↓ 630.6%
24M
10:50/mi
3:58:12
↓ 821.3%
40K· 24.85 mi
10:29/mi
4:07:10
↓ 200.3%
25.2M
11:13/mi
4:11:02
↑ 13↓ 160.2%
Finish· 26.22 mi
9:50/mi
4:21:03
↑ 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
Time2:03:05
Pace9:23 /mi
2nd Half
Distance13.11 mi
Time2:17:58
Pace10:31 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5328:139:0528:13
9:05
-
10K
6.21 mi11:48:2356:439:0828:30
9:10
+0:05
15K
9.32 mi12:17:301:25:509:1329:07
9:22
+0:12
20K
12.43 mi12:48:091:56:299:2230:39
9:52
+0:30
Half
13.11 mi12:54:452:03:059:236:36
9:40
-0:12
25K
15.53 mi13:18:292:26:499:2723:44
9:47
+0:07
30K
18.64 mi13:50:422:59:029:3632:13
10:22
+0:35
20M
20.00 mi14:05:173:13:379:4114:35
10:44
+0:22
21M
21.00 mi14:17:473:26:079:4912:30
12:30
+1:46
35K
21.75 mi14:26:033:34:239:518:16
11:03
-1:27
23M
23.00 mi14:39:023:47:229:5312:59
10:22
-0:41
24M
24.00 mi14:49:523:58:129:5610:50
10:50
+0:28
40K
24.85 mi14:58:504:07:109:578:58
10:29
-0:21
25.2M
25.20 mi15:02:424:11:029:583:52
11:13
+0:44
Finish
26.22 mi15:12:434:21:039:5810:01
9:50
-1:23

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

9:05 /mi

Average Pace

9:58 /mi

Slowest Pace

12:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:50

60% of race

Time at Steady Pace

1:08:45

26% of race

Time at Slower Pace

35:28

14% of race

Average Pace: 9:57 /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 mi11:19:5328:139:0528:13
9:05
#20401
10K
6.21 mi11:48:2356:439:0828:30
9:10
#20365
15K
9.32 mi12:17:301:25:509:1329:07
9:22
#20356
20K
12.43 mi12:48:091:56:299:2230:39
9:52
#20343
Half
13.11 mi12:54:452:03:059:236:36
9:40
#20345
25K
15.53 mi13:18:292:26:499:2723:44
9:47
#20021
30K
18.64 mi13:50:422:59:029:3632:13
10:22
#19687
20M
20.00 mi14:05:173:13:379:4114:35
10:44
#19593
21M
21.00 mi14:17:473:26:079:4912:30
12:30
#19579
35K
21.75 mi14:26:033:34:239:518:16
11:03
#19569
23M
23.00 mi14:39:023:47:229:5312:59
10:22
#19395
24M
24.00 mi14:49:523:58:129:5610:50
10:50
#19347
40K
24.85 mi14:58:504:07:109:578:58
10:29
#19241
25.2M
25.20 mi15:02:424:11:029:583:52
11:13
#19166
Finish
26.22 mi15:12:434:21:039:5810:01
9:50
#19101
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi204018091809120261(Top 79%)7918(Top 72%)7918(Top 452%)
10K6.21 mi3.10 mi20365+368053+388053+3820420(Top 80%)8057(Top 74%)8057(Top 460%)
15K9.32 mi3.11 mi20356+98017+368017+3620261(Top 79%)7918(Top 72%)7918(Top 452%)
20K12.43 mi3.11 mi20343+138000+178000+1720231(Top 79%)7945(Top 73%)7945(Top 453%)
Half13.11 mi0.68 mi20345-28005-58005-520599(Top 81%)8203(Top 75%)8203(Top 468%)
25K15.53 mi2.42 mi20021+3247843+1627843+16218516(Top 72%)7105(Top 65%)7105(Top 405%)
30K18.64 mi3.11 mi19687+3347731+1127731+11218444(Top 72%)7276(Top 67%)7276(Top 415%)
20M20.00 mi1.36 mi19593+947714+177714+1718628(Top 73%)7524(Top 69%)7524(Top 429%)
21M21.00 mi1.00 mi19579+147730-167730-1619866(Top 78%)8258(Top 76%)8258(Top 471%)
35K21.75 mi0.75 mi19569+107747-177747-1719928(Top 78%)8297(Top 76%)8297(Top 473%)
23M23.00 mi1.25 mi19395+1747682+657682+6516658(Top 65%)6736(Top 62%)6736(Top 384%)
24M24.00 mi1.00 mi19347+487666+167666+1618784(Top 74%)7852(Top 72%)7852(Top 448%)
40K24.85 mi0.85 mi19241+1067622+447622+4416687(Top 65%)6863(Top 63%)6863(Top 392%)
25.2M25.20 mi0.35 mi19166+757592+307592+3015246(Top 60%)6172(Top 56%)6172(Top 352%)
Finish26.22 mi1.02 mi19101+657581+117581+1117841(Top 70%)7430(Top 68%)7430(Top 424%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

20261

Females

7918

F45-49

7918

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

20420

Females

8057

F45-49

8057

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

20261

Females

7918

F45-49

7918

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20231

Females

7945

F45-49

7945

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

20599

Females

8203

F45-49

8203

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

18516

Females

7105

F45-49

7105

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

18444

Females

7276

F45-49

7276

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

18628

Females

7524

F45-49

7524

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

19866

Females

8258

F45-49

8258

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

19928

Females

8297

F45-49

8297

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

16658

Females

6736

F45-49

6736

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

18784

Females

7852

F45-49

7852

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

16687

Females

6863

F45-49

6863

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15246

Females

6172

F45-49

6172

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

17841

Females

7430

F45-49

7430

Passing Analysis

Category:
Athletes Passed
2289
Passed By
989
Net Change
+1300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20401
5K → 10K290254+36#20401#20365
10K → 15K207198+9#20365#20356
15K → 20K208195+13#20356#20343
20K → Half2830-2#20343#20345
Half → 25K34925+324#20345#20021
25K → 30K37036+334#20021#19687
30K → 20M14551+94#19687#19593
20M → 21M8571+14#19593#19579
21M → 35K5444+10#19579#19569
35K → 23M18612+174#19569#19395
23M → 24M7931+48#19395#19347
24M → 40K11913+106#19347#19241
40K → 25.2M772+75#19241#19166
25.2M → Finish9227+65#19166#19101
TOTALS2289989+1300
📊

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