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BOSTON MARATHON 2024

Ssuyu Liu

Bib: 12338•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 32%
Gender (Female)
#0 / 10924
Top 16%
Masters (Masters Women)
#0 / 6263
Top 7%
Division (F45-49)
#0 / 1753
Top 7%
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
7:05/mi
21:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:15/mi
44:30
↑ 79↓ 1380.4%
15K· 9.32 mi
7:21/mi
1:07:20
↑ 67↓ 78
20K· 12.43 mi
7:36/mi
1:30:56
↑ 106↓ 860.1%
Half· 13.11 mi
7:31/mi
1:36:04
↑ 19↓ 370.5%
25K· 15.53 mi
7:51/mi
1:55:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:20:27
↑ 181↓ 1480.2%
20M
8:19/mi
2:31:45
↑ 64↓ 500.2%
21M
9:39/mi
2:41:24
↑ 106↓ 241.6%
35K· 21.75 mi
7:51/mi
2:47:16
↑ 17↓ 861.7%
23M
8:18/mi
2:57:39
↑ 23↓ 630.6%
24M
8:05/mi
3:05:44
↓ 821.3%
40K· 24.85 mi
8:17/mi
3:12:49
↓ 200.3%
25.2M
9:25/mi
3:16:04
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:24:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:04
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:48:37
Pace8:17 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1321:597:0521:59
7:05
-
10K
6.21 mi11:12:4444:307:1022:31
7:15
+0:10
15K
9.32 mi11:35:341:07:207:1322:50
7:21
+0:06
20K
12.43 mi11:59:101:30:567:1923:36
7:36
+0:15
Half
13.11 mi12:04:181:36:047:205:08
7:31
-0:05
25K
15.53 mi12:23:201:55:067:2519:02
7:51
+0:20
30K
18.64 mi12:48:412:20:277:3225:21
8:10
+0:19
20M
20.00 mi12:59:592:31:457:3511:18
8:19
+0:09
21M
21.00 mi13:09:382:41:247:419:39
9:39
+1:20
35K
21.75 mi13:15:302:47:167:415:52
7:51
-1:48
23M
23.00 mi13:25:532:57:397:4310:23
8:18
+0:27
24M
24.00 mi13:33:583:05:447:448:05
8:05
-0:13
40K
24.85 mi13:41:033:12:497:457:05
8:17
+0:12
25.2M
25.20 mi13:44:183:16:047:473:15
9:25
+1:08
Finish
26.22 mi13:52:553:24:417:498:37
8:27
-0:58

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

7:05 /mi

Average Pace

7:49 /mi

Slowest Pace

9:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:04

47% of race

Time at Steady Pace

1:27:06

43% of race

Time at Slower Pace

21:31

11% of race

Average Pace: 7:48 /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 mi10:50:1321:597:0521:59
7:05
#7520
10K
6.21 mi11:12:4444:307:1022:31
7:15
#7870
15K
9.32 mi11:35:341:07:207:1322:50
7:21
#8044
20K
12.43 mi11:59:101:30:567:1923:36
7:36
#8251
Half
13.11 mi12:04:181:36:047:205:08
7:31
#8303
25K
15.53 mi12:23:201:55:067:2519:02
7:51
#8404
30K
18.64 mi12:48:412:20:277:3225:21
8:10
#8390
20M
20.00 mi12:59:592:31:457:3511:18
8:19
#8330
21M
21.00 mi13:09:382:41:247:419:39
9:39
#8492
35K
21.75 mi13:15:302:47:167:415:52
7:51
#8373
23M
23.00 mi13:25:532:57:397:4310:23
8:18
#8211
24M
24.00 mi13:33:583:05:447:448:05
8:05
#8109
40K
24.85 mi13:41:033:12:497:457:05
8:17
#8024
25.2M
25.20 mi13:44:183:16:047:473:15
9:25
#8005
Finish
26.22 mi13:52:553:24:417:498:37
8:27
#8106
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi7520100710078509(Top 33%)1470(Top 13%)1470(Top 84%)
10K6.21 mi3.10 mi7870-3501150-1431150-1438274(Top 32%)1343(Top 12%)1343(Top 77%)
15K9.32 mi3.11 mi8044-1741243-931243-938509(Top 33%)1470(Top 13%)1470(Top 84%)
20K12.43 mi3.11 mi8251-2071345-1021345-1029067(Top 35%)1839(Top 17%)1839(Top 105%)
Half13.11 mi0.68 mi8303-521372-271372-279343(Top 37%)1975(Top 18%)1975(Top 113%)
25K15.53 mi2.42 mi8404-1011461-891461-899254(Top 36%)2123(Top 19%)2123(Top 121%)
30K18.64 mi3.11 mi8390+141550-891550-898781(Top 34%)2111(Top 19%)2111(Top 120%)
20M20.00 mi1.36 mi8330+601577-271577-278472(Top 33%)2215(Top 20%)2215(Top 126%)
21M21.00 mi1.00 mi8492-1621703-1261703-12611489(Top 45%)3990(Top 37%)3990(Top 228%)
35K21.75 mi0.75 mi8373+1191680+231680+236858(Top 27%)1682(Top 15%)1682(Top 96%)
23M23.00 mi1.25 mi8211+1621676+41676+47315(Top 29%)2051(Top 19%)2051(Top 117%)
24M24.00 mi1.00 mi8109+1021673+31673+37117(Top 28%)2053(Top 19%)2053(Top 117%)
40K24.85 mi0.85 mi8024+851688-151688-157258(Top 28%)2256(Top 21%)2256(Top 129%)
25.2M25.20 mi0.35 mi8005+191699-111699-118440(Top 33%)2848(Top 26%)2848(Top 162%)
Finish26.22 mi1.02 mi8106-1011796-971796-9711269(Top 44%)4097(Top 38%)4097(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8509

Females

1470

F45-49

1470

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8274

Females

1343

F45-49

1343

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8509

Females

1470

F45-49

1470

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9067

Females

1839

F45-49

1839

20K→Half

12.4 - 13.1 mi

Top 37%
×2story building
+19ft-37ft

Overall

9343

Females

1975

F45-49

1975

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

9254

Females

2123

F45-49

2123

25K→30K

15.5 - 18.6 mi

Top 34%
×9story building
+181ft-148ft

Overall

8781

Females

2111

F45-49

2111

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8472

Females

2215

F45-49

2215

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11489

Females

3990

F45-49

3990

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

6858

Females

1682

F45-49

1682

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7315

Females

2051

F45-49

2051

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7117

Females

2053

F45-49

2053

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7258

Females

2256

F45-49

2256

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8440

Females

2848

F45-49

2848

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11269

Females

4097

F45-49

4097

Passing Analysis

Category:
Athletes Passed
1743
Passed By
2329
Net Change
-586
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7520
5K → 10K92442-350#7520#7870
10K → 15K122296-174#7870#8044
15K → 20K131338-207#8044#8251
20K → Half1163-52#8251#8303
Half → 25K169270-101#8303#8404
25K → 30K276262+14#8404#8390
30K → 20M14888+60#8390#8330
20M → 21M77239-162#8330#8492
21M → 35K13213+119#8492#8373
35K → 23M21250+162#8373#8211
23M → 24M14745+102#8211#8109
24M → 40K12540+85#8109#8024
40K → 25.2M4930+19#8024#8005
25.2M → Finish52153-101#8005#8106
TOTALS17432329-586
📊

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