Boston Marathon logo
BOSTON MARATHON 2024

Wai Fun Chan

Bib: 21653•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 46%
Division (F50-54)
#0 / 1187
Top 43%
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
8:13/mi
25:31
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
50:47
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:16:22
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:43:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:49:22
↑ 19↓ 370.5%
25K· 15.53 mi
8:28/mi
2:09:53
↑ 66↓ 880.2%
30K· 18.64 mi
9:01/mi
2:37:53
↑ 181↓ 1480.2%
20M
9:24/mi
2:50:40
↑ 64↓ 500.2%
21M
13:56/mi
3:04:36
↑ 106↓ 241.6%
35K· 21.75 mi
10:06/mi
3:12:09
↑ 17↓ 861.7%
23M
10:13/mi
3:24:57
↑ 23↓ 630.6%
24M
9:38/mi
3:34:35
↓ 821.3%
40K· 24.85 mi
10:14/mi
3:43:20
↓ 200.3%
25.2M
11:42/mi
3:47:22
↑ 13↓ 160.2%
Finish· 26.22 mi
10:59/mi
3:58:34
↑ 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
Time1:49:22
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time2:09:12
Pace9:51 /mi
📊Positive Split: 18.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:4025:318:1325:31
8:13
-
10K
6.21 mi11:46:5650:478:1025:16
8:08
-0:05
15K
9.32 mi12:12:311:16:228:1225:35
8:14
+0:06
20K
12.43 mi12:39:551:43:468:2127:24
8:49
+0:35
Half
13.11 mi12:45:311:49:228:215:36
8:12
-0:37
25K
15.53 mi13:06:022:09:538:2220:31
8:28
+0:16
30K
18.64 mi13:34:022:37:538:2828:00
9:01
+0:33
20M
20.00 mi13:46:492:50:408:3212:47
9:24
+0:23
21M
21.00 mi14:00:453:04:368:4713:56
13:56
+4:32
35K
21.75 mi14:08:183:12:098:507:33
10:06
-3:50
23M
23.00 mi14:21:063:24:578:5512:48
10:13
+0:07
24M
24.00 mi14:30:443:34:358:569:38
9:38
-0:35
40K
24.85 mi14:39:293:43:208:598:45
10:14
+0:36
25.2M
25.20 mi14:43:313:47:229:014:02
11:42
+1:28
Finish
26.22 mi14:54:433:58:349:0611:12
10:59
-0:43

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

8:08 /mi

Average Pace

9:06 /mi

Slowest Pace

13:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:29

43% of race

Time at Steady Pace

1:25:22

36% of race

Time at Slower Pace

50:43

21% of race

Average Pace: 9:06 /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 mi11:21:4025:318:1325:31
8:13
#16121
10K
6.21 mi11:46:5650:478:1025:16
8:08
#15595
15K
9.32 mi12:12:311:16:228:1225:35
8:14
#15310
20K
12.43 mi12:39:551:43:468:2127:24
8:49
#15561
Half
13.11 mi12:45:311:49:228:215:36
8:12
#15481
25K
15.53 mi13:06:022:09:538:2220:31
8:28
#14995
30K
18.64 mi13:34:022:37:538:2828:00
9:01
#14639
20M
20.00 mi13:46:492:50:408:3212:47
9:24
#14579
21M
21.00 mi14:00:453:04:368:4713:56
13:56
#15477
35K
21.75 mi14:08:183:12:098:507:33
10:06
#15611
23M
23.00 mi14:21:063:24:578:5512:48
10:13
#15688
24M
24.00 mi14:30:443:34:358:569:38
9:38
#15653
40K
24.85 mi14:39:293:43:208:598:45
10:14
#15649
25.2M
25.20 mi14:43:313:47:229:014:02
11:42
#15657
Finish
26.22 mi14:54:433:58:349:0611:12
10:59
#15967
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi161215634563414922(Top 58%)4922(Top 45%)4922(Top 415%)
10K6.21 mi3.10 mi15595+5265294+3405294+34015126(Top 59%)5007(Top 46%)5007(Top 422%)
15K9.32 mi3.11 mi15310+2855137+1575137+15714922(Top 58%)4922(Top 45%)4922(Top 415%)
20K12.43 mi3.11 mi15561-2515302-1655302-16516502(Top 65%)5895(Top 54%)5895(Top 497%)
Half13.11 mi0.68 mi15481+805257+455257+4514122(Top 55%)4556(Top 42%)4556(Top 384%)
25K15.53 mi2.42 mi14995+4864996+2614996+26112870(Top 50%)3975(Top 36%)3975(Top 335%)
30K18.64 mi3.11 mi14639+3564866+1304866+13013306(Top 52%)4457(Top 41%)4457(Top 375%)
20M20.00 mi1.36 mi14579+604874-84874-814122(Top 55%)5192(Top 48%)5192(Top 437%)
21M21.00 mi1.00 mi15477-8985445-5715445-57122237(Top 87%)9405(Top 86%)9405(Top 792%)
35K21.75 mi0.75 mi15611-1345556-1115556-11117462(Top 68%)7070(Top 65%)7070(Top 596%)
23M23.00 mi1.25 mi15688-775648-925648-9216194(Top 63%)6489(Top 59%)6489(Top 547%)
24M24.00 mi1.00 mi15653+355652-45652-415032(Top 59%)5970(Top 55%)5970(Top 503%)
40K24.85 mi0.85 mi15649+45679-275679-2715825(Top 62%)6406(Top 59%)6406(Top 540%)
25.2M25.20 mi0.35 mi15657-85700-215700-2116593(Top 65%)6828(Top 63%)6828(Top 575%)
Finish26.22 mi1.02 mi15967-3105885-1855885-18521322(Top 83%)9121(Top 83%)9121(Top 768%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

14922

Females

4922

F50-54

4922

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15126

Females

5007

F50-54

5007

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

14922

Females

4922

F50-54

4922

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

16502

Females

5895

F50-54

5895

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14122

Females

4556

F50-54

4556

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

12870

Females

3975

F50-54

3975

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13306

Females

4457

F50-54

4457

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14122

Females

5192

F50-54

5192

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

22237

Females

9405

F50-54

9405

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

17462

Females

7070

F50-54

7070

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16194

Females

6489

F50-54

6489

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15032

Females

5970

F50-54

5970

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

15825

Females

6406

F50-54

6406

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

16593

Females

6828

F50-54

6828

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

21322

Females

9121

F50-54

9121

Passing Analysis

Category:
Athletes Passed
2773
Passed By
2619
Net Change
+154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16121
5K → 10K62296+526#16121#15595
10K → 15K37994+285#15595#15310
15K → 20K159410-251#15310#15561
20K → Half888+80#15561#15481
Half → 25K50418+486#15481#14995
25K → 30K456100+356#14995#14639
30K → 20M163103+60#14639#14579
20M → 21M16914-898#14579#15477
21M → 35K49183-134#15477#15611
35K → 23M103180-77#15611#15688
23M → 24M9661+35#15688#15653
24M → 40K7672+4#15653#15649
40K → 25.2M3644-8#15649#15657
25.2M → Finish26336-310#15657#15967
TOTALS27732619+154
📊

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