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BOSTON MARATHON 2024

Soo Jin Lee

Bib: 29830•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
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
10:23/mi
32:15
↑ 97↓ 3451.5%
10K· 6.21 mi
10:15/mi
1:04:07
↑ 79↓ 1380.4%
15K· 9.32 mi
11:21/mi
1:39:24
↑ 67↓ 78
20K· 12.43 mi
11:42/mi
2:15:45
↑ 106↓ 860.1%
Half· 13.11 mi
12:44/mi
2:24:26
↑ 19↓ 370.5%
25K· 15.53 mi
14:54/mi
3:00:33
↑ 66↓ 880.2%
30K· 18.64 mi
15:11/mi
3:47:42
↑ 181↓ 1480.2%
20M
19:06/mi
4:13:39
↑ 64↓ 500.2%
21M
16:22/mi
4:30:01
↑ 106↓ 241.6%
35K· 21.75 mi
13:47/mi
4:40:20
↑ 17↓ 861.7%
23M
14:08/mi
4:58:02
↑ 23↓ 630.6%
24M
14:31/mi
5:12:33
↓ 821.3%
40K· 24.85 mi
11:14/mi
5:22:09
↓ 200.3%
25.2M
20:53/mi
5:29:21
↑ 13↓ 160.2%
Finish· 26.22 mi
9:37/mi
5:39:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:26
Pace11:01 /mi
2nd Half
Distance13.11 mi
Time3:14:43
Pace14:51 /mi
📊Positive Split: 34.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:5932:1510:2332:15
10:23
-
10K
6.21 mi12:27:511:04:0710:1931:52
10:15
-0:08
15K
9.32 mi13:03:081:39:2410:4035:17
11:21
+1:06
20K
12.43 mi13:39:292:15:4510:5536:21
11:42
+0:21
Half
13.11 mi13:48:102:24:2611:018:41
12:44
+1:02
25K
15.53 mi14:24:173:00:3311:3736:07
14:54
+2:10
30K
18.64 mi15:11:263:47:4212:1347:09
15:11
+0:17
20M
20.00 mi15:37:234:13:3912:4125:57
19:06
+3:55
21M
21.00 mi15:53:454:30:0112:5116:22
16:22
-2:44
35K
21.75 mi16:04:044:40:2012:5310:19
13:47
-2:35
23M
23.00 mi16:21:464:58:0212:5717:42
14:08
+0:21
24M
24.00 mi16:36:175:12:3313:0114:31
14:31
+0:23
40K
24.85 mi16:45:535:22:0912:589:36
11:14
-3:17
25.2M
25.20 mi16:53:055:29:2113:047:12
20:53
+9:39
Finish
26.22 mi17:02:535:39:0912:579:48
9:37
-11:16

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

9:37 /mi

Average Pace

12:57 /mi

Slowest Pace

20:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:09

46% of race

Time at Steady Pace

2:14:29

40% of race

Time at Slower Pace

49:31

15% of race

Average Pace: 12:56 /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 mi11:55:5932:1510:2332:15
10:23
#23854
10K
6.21 mi12:27:511:04:0710:1931:52
10:15
#23422
15K
9.32 mi13:03:081:39:2410:4035:17
11:21
#23771
20K
12.43 mi13:39:292:15:4510:5536:21
11:42
#23830
Half
13.11 mi13:48:102:24:2611:018:41
12:44
#23926
25K
15.53 mi14:24:173:00:3311:3736:07
14:54
#24323
30K
18.64 mi15:11:263:47:4212:1347:09
15:11
#24543
20M
20.00 mi15:37:234:13:3912:4125:57
19:06
#24829
21M
21.00 mi15:53:454:30:0112:5116:22
16:22
#24857
35K
21.75 mi16:04:044:40:2012:5310:19
13:47
#24847
23M
23.00 mi16:21:464:58:0212:5717:42
14:08
#24839
24M
24.00 mi16:36:175:12:3313:0114:31
14:31
#24848
40K
24.85 mi16:45:535:22:0912:589:36
11:14
#24754
25.2M
25.20 mi16:53:055:29:2113:047:12
20:53
#24806
Finish
26.22 mi17:02:535:39:0912:579:48
9:37
#24694
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi238549868986824144(Top 94%)10054(Top 92%)10054(Top 623%)
10K6.21 mi3.10 mi23422+4329633+2359633+23523084(Top 90%)9478(Top 87%)9478(Top 588%)
15K9.32 mi3.11 mi23771-3499833-2009833-20024144(Top 94%)10054(Top 92%)10054(Top 623%)
20K12.43 mi3.11 mi23830-599862-299862-2923636(Top 93%)9802(Top 90%)9802(Top 608%)
Half13.11 mi0.68 mi23926-969923-619923-6125051(Top 98%)10657(Top 98%)10657(Top 661%)
25K15.53 mi2.42 mi24323-39710170-24710170-24725308(Top 99%)10801(Top 99%)10801(Top 670%)
30K18.64 mi3.11 mi24543-22010323-15310323-15325044(Top 98%)10712(Top 98%)10712(Top 664%)
20M20.00 mi1.36 mi24829-28610500-17710500-17725488(Top 100%)10899(Top 100%)10899(Top 676%)
21M21.00 mi1.00 mi24857-2810521-2110521-2124748(Top 97%)10611(Top 97%)10611(Top 658%)
35K21.75 mi0.75 mi24847+1010524-310524-324106(Top 94%)10352(Top 95%)10352(Top 642%)
23M23.00 mi1.25 mi24839+810529-510529-523929(Top 94%)10256(Top 94%)10256(Top 636%)
24M24.00 mi1.00 mi24848-910541-1210541-1224584(Top 96%)10603(Top 97%)10603(Top 657%)
40K24.85 mi0.85 mi24754+9410497+4410497+4418699(Top 73%)7861(Top 72%)7861(Top 487%)
25.2M25.20 mi0.35 mi24806-5210523-2610523-2625424(Top 100%)10888(Top 100%)10888(Top 675%)
Finish26.22 mi1.02 mi24694+11210472+5110472+5117047(Top 67%)7038(Top 64%)7038(Top 436%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

24144

Females

10054

F40-44

10054

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23084

Females

9478

F40-44

9478

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

24144

Females

10054

F40-44

10054

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

23636

Females

9802

F40-44

9802

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

25051

Females

10657

F40-44

10657

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

25308

Females

10801

F40-44

10801

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

25044

Females

10712

F40-44

10712

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

25488

Females

10899

F40-44

10899

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

24748

Females

10611

F40-44

10611

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

24106

Females

10352

F40-44

10352

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

23929

Females

10256

F40-44

10256

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

24584

Females

10603

F40-44

10603

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

18699

Females

7861

F40-44

7861

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

25424

Females

10888

F40-44

10888

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17047

Females

7038

F40-44

7038

Passing Analysis

Category:
Athletes Passed
1010
Passed By
1850
Net Change
-840
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23854
5K → 10K48250+432#23854#23422
10K → 15K56405-349#23422#23771
15K → 20K106165-59#23771#23830
20K → Half7103-96#23830#23926
Half → 25K16413-397#23926#24323
25K → 30K28248-220#24323#24543
30K → 20M9295-286#24543#24829
20M → 21M2654-28#24829#24857
21M → 35K2313+10#24857#24847
35K → 23M3224+8#24847#24839
23M → 24M1827-9#24839#24848
24M → 40K940+94#24848#24754
40K → 25.2M052-52#24754#24806
25.2M → Finish1131+112#24806#24694
TOTALS10101850-840
📊

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