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BOSTON MARATHON 2024

Jin Su

Bib: 21011•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
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
9:16/mi
28:48
↑ 97↓ 3451.5%
10K· 6.21 mi
9:42/mi
58:56
↑ 79↓ 1380.4%
15K· 9.32 mi
10:07/mi
1:30:21
↑ 67↓ 78
20K· 12.43 mi
11:07/mi
2:04:52
↑ 106↓ 860.1%
Half· 13.11 mi
10:54/mi
2:12:18
↑ 19↓ 370.5%
25K· 15.53 mi
11:56/mi
2:41:15
↑ 66↓ 880.2%
30K· 18.64 mi
14:04/mi
3:24:57
↑ 181↓ 1480.2%
20M
15:02/mi
3:45:23
↑ 64↓ 500.2%
21M
16:45/mi
4:02:08
↑ 106↓ 241.6%
35K· 21.75 mi
13:27/mi
4:12:12
↑ 17↓ 861.7%
23M
11:30/mi
4:26:36
↑ 23↓ 630.6%
24M
11:15/mi
4:37:51
↓ 821.3%
40K· 24.85 mi
12:52/mi
4:48:51
↓ 200.3%
25.2M
13:06/mi
4:53:22
↑ 13↓ 160.2%
Finish· 26.22 mi
10:37/mi
5:04:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:18
Pace10:06 /mi
2nd Half
Distance13.11 mi
Time2:51:53
Pace13:07 /mi
📊Positive Split: 29.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0628:489:1628:48
9:16
-
10K
6.21 mi12:14:1458:569:2930:08
9:42
+0:26
15K
9.32 mi12:45:391:30:219:4231:25
10:07
+0:25
20K
12.43 mi13:20:102:04:5210:0334:31
11:07
+1:00
Half
13.11 mi13:27:362:12:1810:067:26
10:54
-0:13
25K
15.53 mi13:56:332:41:1510:2328:57
11:56
+1:02
30K
18.64 mi14:40:153:24:5711:0043:42
14:04
+2:08
20M
20.00 mi15:00:413:45:2311:1620:26
15:02
+0:58
21M
21.00 mi15:17:264:02:0811:3216:45
16:45
+1:43
35K
21.75 mi15:27:304:12:1211:3610:04
13:27
-3:18
23M
23.00 mi15:41:544:26:3611:3514:24
11:30
-1:57
24M
24.00 mi15:53:094:37:5111:3511:15
11:15
-0:15
40K
24.85 mi16:04:094:48:5111:3711:00
12:52
+1:37
25.2M
25.20 mi16:08:404:53:2211:394:31
13:06
+0:14
Finish
26.22 mi16:19:295:04:1111:3710:49
10:37
-2:29

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

9:16 /mi

Average Pace

11:37 /mi

Slowest Pace

16:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:21

30% of race

Time at Steady Pace

1:47:22

35% of race

Time at Slower Pace

1:46:28

35% of race

Average Pace: 11:36 /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 mi11:44:0628:489:1628:48
9:16
#21038
10K
6.21 mi12:14:1458:569:2930:08
9:42
#21499
15K
9.32 mi12:45:391:30:219:4231:25
10:07
#21759
20K
12.43 mi13:20:102:04:5210:0334:31
11:07
#22070
Half
13.11 mi13:27:362:12:1810:067:26
10:54
#22161
25K
15.53 mi13:56:332:41:1510:2328:57
11:56
#22367
30K
18.64 mi14:40:153:24:5711:0043:42
14:04
#22961
20M
20.00 mi15:00:413:45:2311:1620:26
15:02
#23210
21M
21.00 mi15:17:264:02:0811:3216:45
16:45
#23343
35K
21.75 mi15:27:304:12:1211:3610:04
13:27
#23350
23M
23.00 mi15:41:544:26:3611:3514:24
11:30
#23206
24M
24.00 mi15:53:094:37:5111:3511:15
11:15
#23116
40K
24.85 mi16:04:094:48:5111:3711:00
12:52
#23106
25.2M
25.20 mi16:08:404:53:2211:394:31
13:06
#23075
Finish
26.22 mi16:19:295:04:1111:3710:49
10:37
#23017
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi210388422842222166(Top 87%)8966(Top 82%)8966(Top 755%)
10K6.21 mi3.10 mi21499-4618646-2248646-22421854(Top 86%)8830(Top 81%)8830(Top 744%)
15K9.32 mi3.11 mi21759-2608774-1288774-12822166(Top 87%)8966(Top 82%)8966(Top 755%)
20K12.43 mi3.11 mi22070-3118947-1738947-17322817(Top 89%)9353(Top 86%)9353(Top 788%)
Half13.11 mi0.68 mi22161-918988-418988-4123375(Top 91%)9706(Top 89%)9706(Top 818%)
25K15.53 mi2.42 mi22367-2069104-1169104-11623074(Top 90%)9575(Top 88%)9575(Top 807%)
30K18.64 mi3.11 mi22961-5949476-3729476-37224263(Top 95%)10289(Top 94%)10289(Top 867%)
20M20.00 mi1.36 mi23210-2499638-1629638-16224764(Top 97%)10594(Top 97%)10594(Top 893%)
21M21.00 mi1.00 mi23343-1339710-729710-7224956(Top 98%)10704(Top 98%)10704(Top 902%)
35K21.75 mi0.75 mi23350-79723-139723-1323760(Top 93%)10180(Top 93%)10180(Top 858%)
23M23.00 mi1.25 mi23206+1449664+599664+5919658(Top 77%)8233(Top 75%)8233(Top 694%)
24M24.00 mi1.00 mi23116+909634+309634+3019888(Top 78%)8389(Top 77%)8389(Top 707%)
40K24.85 mi0.85 mi23106+109636-29636-222058(Top 86%)9490(Top 87%)9490(Top 799%)
25.2M25.20 mi0.35 mi23075+319624+129624+1219944(Top 78%)8496(Top 78%)8496(Top 716%)
Finish26.22 mi1.02 mi23017+589598+269598+2620347(Top 80%)8653(Top 79%)8653(Top 729%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

22166

Females

8966

F50-54

8966

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

21854

Females

8830

F50-54

8830

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

22166

Females

8966

F50-54

8966

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

22817

Females

9353

F50-54

9353

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

23375

Females

9706

F50-54

9706

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

23074

Females

9575

F50-54

9575

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

24263

Females

10289

F50-54

10289

30K→20M

18.6 - 20.0 mi

Top 97%
×5story building
+64ft-50ft

Overall

24764

Females

10594

F50-54

10594

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

24956

Females

10704

F50-54

10704

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

23760

Females

10180

F50-54

10180

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

19658

Females

8233

F50-54

8233

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

19888

Females

8389

F50-54

8389

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22058

Females

9490

F50-54

9490

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

19944

Females

8496

F50-54

8496

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

20347

Females

8653

F50-54

8653

Passing Analysis

Category:
Athletes Passed
828
Passed By
2807
Net Change
-1979
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21038
5K → 10K95556-461#21038#21499
10K → 15K90350-260#21499#21759
15K → 20K90401-311#21759#22070
20K → Half12103-91#22070#22161
Half → 25K63269-206#22161#22367
25K → 30K38632-594#22367#22961
30K → 20M19268-249#22961#23210
20M → 21M16149-133#23210#23343
21M → 35K3542-7#23343#23350
35K → 23M1495+144#23350#23206
23M → 24M911+90#23206#23116
24M → 40K3424+10#23116#23106
40K → 25.2M310+31#23106#23075
25.2M → Finish657+58#23075#23017
TOTALS8282807-1979
📊

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