Boston Marathon logo
BOSTON MARATHON 2024

Sau Fun Kam

Bib: 20321 F HK

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 43%
Masters (Masters Women)
#0 / 6263
Top 32%
Division (F45-49)
#0 / 1753
Top 41%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:59/mi
24:49
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:53/mi
49:20
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:52/mi
1:13:45
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:56/mi
1:38:23
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:46/mi
1:43:41
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:51/mi
2:02:43
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:10/mi
2:28:04
↑ 181↓ 1480.2%
138 ft elev
20M
14:01/mi
2:47:07
↑ 64↓ 500.2%
148 ft elev
21M
16:26/mi
3:03:33
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:16/mi
3:10:29
↑ 17↓ 861.7%
156 ft elev
23M
7:59/mi
3:20:29
↑ 23↓ 630.6%
116 ft elev
24M
7:43/mi
3:28:12
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:16/mi
3:36:07
↓ 200.3%
20 ft elev
25.2M
10:35/mi
3:39:46
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:05/mi
3:48:00
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:41
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time2:04:19
Pace9:29 /mi
📊Positive Split: 19.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1824:497:5924:49
7:59
-
10K
6.21 mi11:45:4949:207:5624:31
7:53
-0:06
15K
9.32 mi12:10:141:13:457:5524:25
7:52
-0:01
20K
12.43 mi12:34:521:38:237:5524:38
7:56
+0:04
Half
13.11 mi12:40:101:43:417:555:18
7:46
-0:10
25K
15.53 mi12:59:122:02:437:5419:02
7:51
+0:05
30K
18.64 mi13:24:332:28:047:5725:21
8:10
+0:19
20M
20.00 mi13:43:362:47:078:2119:03
14:01
+5:51
21M
21.00 mi14:00:023:03:338:4416:26
16:26
+2:25
35K
21.75 mi14:06:583:10:298:466:56
9:16
-7:10
23M
23.00 mi14:16:583:20:298:4310:00
7:59
-1:17
24M
24.00 mi14:24:413:28:128:417:43
7:43
-0:16
40K
24.85 mi14:32:363:36:078:427:55
9:16
+1:33
25.2M
25.20 mi14:36:153:39:468:433:39
10:35
+1:19
Finish
26.22 mi14:44:293:48:008:428:14
8:05
-2:30

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

7:43 /mi

Average Pace

8:42 /mi

Slowest Pace

16:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:54:01

76% of race

Time at Slower Pace

53:59

24% of race

Average Pace: 8:42 /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 mi11:21:1824:497:5924:49
7:59
#14578
10K
6.21 mi11:45:4949:207:5624:31
7:53
#13977
15K
9.32 mi12:10:141:13:457:5524:25
7:52
#13410
20K
12.43 mi12:34:521:38:237:5524:38
7:56
#12762
Half
13.11 mi12:40:101:43:417:555:18
7:46
#12672
25K
15.53 mi12:59:122:02:437:5419:02
7:51
#11971
30K
18.64 mi13:24:332:28:047:5725:21
8:10
#11245
20M
20.00 mi13:43:362:47:078:2119:03
14:01
#13501
21M
21.00 mi14:00:023:03:338:4416:26
16:26
#15214
35K
21.75 mi14:06:583:10:298:466:56
9:16
#15198
23M
23.00 mi14:16:583:20:298:4310:00
7:59
#14642
24M
24.00 mi14:24:413:28:128:417:43
7:43
#14188
40K
24.85 mi14:32:363:36:078:427:55
9:16
#14091
25.2M
25.20 mi14:36:153:39:468:433:39
10:35
#14050
Finish
26.22 mi14:44:293:48:008:428:14
8:05
#13839
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi145784676467612397(Top 49%)3457(Top 32%)3457(Top 197%)
10K6.21 mi3.10 mi13977+6014324+3524324+35213375(Top 52%)3975(Top 36%)3975(Top 227%)
15K9.32 mi3.11 mi13410+5673994+3303994+33012397(Top 49%)3457(Top 32%)3457(Top 197%)
20K12.43 mi3.11 mi12762+6483634+3603634+36011331(Top 44%)2980(Top 27%)2980(Top 170%)
Half13.11 mi0.68 mi12672+903600+343600+3411183(Top 44%)2923(Top 27%)2923(Top 167%)
25K15.53 mi2.42 mi11971+7013250+3503250+3509271(Top 36%)2140(Top 20%)2140(Top 122%)
30K18.64 mi3.11 mi11245+7262954+2962954+2968789(Top 34%)2119(Top 19%)2119(Top 121%)
20M20.00 mi1.36 mi13501-22564266-13124266-131223970(Top 94%)10213(Top 93%)10213(Top 583%)
21M21.00 mi1.00 mi15214-17135301-10355301-103524780(Top 97%)10625(Top 97%)10625(Top 606%)
35K21.75 mi0.75 mi15198+165317-165317-1614580(Top 57%)5625(Top 51%)5625(Top 321%)
23M23.00 mi1.25 mi14642+5565061+2565061+2565715(Top 22%)1337(Top 12%)1337(Top 76%)
24M24.00 mi1.00 mi14188+4544834+2274834+2275163(Top 20%)1163(Top 11%)1163(Top 66%)
40K24.85 mi0.85 mi14091+974813+214813+2112076(Top 47%)4573(Top 42%)4573(Top 261%)
25.2M25.20 mi0.35 mi14050+414814-14814-113130(Top 51%)5151(Top 47%)5151(Top 294%)
Finish26.22 mi1.02 mi13839+2114731+834731+839076(Top 36%)3107(Top 28%)3107(Top 177%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

12397

Females

3457

F45-49

3457

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13375

Females

3975

F45-49

3975

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

12397

Females

3457

F45-49

3457

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11331

Females

2980

F45-49

2980

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11183

Females

2923

F45-49

2923

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9271

Females

2140

F45-49

2140

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8789

Females

2119

F45-49

2119

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

23970

Females

10213

F45-49

10213

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

24780

Females

10625

F45-49

10625

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

14580

Females

5625

F45-49

5625

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

5715

Females

1337

F45-49

1337

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5163

Females

1163

F45-49

1163

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12076

Females

4573

F45-49

4573

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13130

Females

5151

F45-49

5151

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9076

Females

3107

F45-49

3107

Passing Analysis

Category:
Athletes Passed
4995
Passed By
4256
Net Change
+739
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14578
5K → 10K67776+601#14578#13977
10K → 15K59427+567#13977#13410
15K → 20K66820+648#13410#12762
20K → Half966+90#12762#12672
Half → 25K7032+701#12672#11971
25K → 30K75327+726#11971#11245
30K → 20M32259-2256#11245#13501
20M → 21M91722-1713#13501#15214
21M → 35K7256+16#15214#15198
35K → 23M5571+556#15198#14642
23M → 24M4540+454#14642#14188
24M → 40K12326+97#14188#14091
40K → 25.2M6322+41#14091#14050
25.2M → Finish22312+211#14050#13839
TOTALS49954256+739
📊

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