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BOSTON MARATHON 2023

Yoon Ja Je

Bib: 24543•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F70-74)
#0 / 62
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
11:14/mi
34:55
↑ 97↓ 3451.5%
10K· 6.21 mi
10:55/mi
1:08:51
↑ 79↓ 1380.4%
15K· 9.32 mi
10:24/mi
1:41:09
↑ 67↓ 78
20K· 12.43 mi
11:15/mi
2:16:06
↑ 106↓ 860.1%
Half· 13.11 mi
11:04/mi
2:23:39
↑ 19↓ 370.5%
25K· 15.53 mi
11:53/mi
2:52:28
↑ 66↓ 880.2%
30K· 18.64 mi
13:39/mi
3:34:54
↑ 181↓ 1480.2%
20M
15:29/mi
3:55:57
↑ 64↓ 500.2%
21M
16:57/mi
4:12:54
↑ 106↓ 241.6%
35K· 21.75 mi
14:40/mi
4:23:52
↑ 17↓ 861.7%
23M
13:12/mi
4:40:24
↑ 23↓ 630.6%
24M
12:45/mi
4:53:09
↓ 821.3%
40K· 24.85 mi
13:11/mi
5:04:25
↓ 200.3%
25.2M
20:38/mi
5:11:32
↑ 13↓ 160.2%
Finish· 26.22 mi
13:49/mi
5:25:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:39
Pace10:57 /mi
2nd Half
Distance13.11 mi
Time3:01:58
Pace13:53 /mi
📊Positive Split: 26.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5634:5511:1434:55
11:14
-
10K
6.21 mi12:27:521:08:5111:0533:56
10:55
-0:19
15K
9.32 mi13:00:101:41:0910:5132:18
10:24
-0:31
20K
12.43 mi13:35:072:16:0610:5734:57
11:15
+0:51
Half
13.11 mi13:42:402:23:3910:577:33
11:04
-0:11
25K
15.53 mi14:11:292:52:2811:0628:49
11:53
+0:49
30K
18.64 mi14:53:553:34:5411:3242:26
13:39
+1:46
20M
20.00 mi15:14:583:55:5711:4821:03
15:29
+1:50
21M
21.00 mi15:31:554:12:5412:0316:57
16:57
+1:28
35K
21.75 mi15:42:534:23:5212:0810:58
14:40
-2:17
23M
23.00 mi15:59:254:40:2412:1116:32
13:12
-1:28
24M
24.00 mi16:12:104:53:0912:1312:45
12:45
-0:27
40K
24.85 mi16:23:265:04:2512:1511:16
13:11
+0:26
25.2M
25.20 mi16:30:335:11:3212:227:07
20:38
+7:27
Finish
26.22 mi16:44:385:25:3712:2614:05
13:49
-6:49

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

10:24 /mi

Average Pace

12:26 /mi

Slowest Pace

20:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:39

44% of race

Time at Steady Pace

2:05:53

39% of race

Time at Slower Pace

56:05

17% of race

Average Pace: 12:25 /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 mi11:53:5634:5511:1434:55
11:14
#25974
10K
6.21 mi12:27:521:08:5111:0533:56
10:55
#25702
15K
9.32 mi13:00:101:41:0910:5132:18
10:24
#25222
20K
12.43 mi13:35:072:16:0610:5734:57
11:15
#25137
Half
13.11 mi13:42:402:23:3910:577:33
11:04
#25132
25K
15.53 mi14:11:292:52:2811:0628:49
11:53
#25154
30K
18.64 mi14:53:553:34:5411:3242:26
13:39
#25346
20M
20.00 mi15:14:583:55:5711:4821:03
15:29
#25526
21M
21.00 mi15:31:554:12:5412:0316:57
16:57
#25638
35K
21.75 mi15:42:534:23:5212:0810:58
14:40
#25683
23M
23.00 mi15:59:254:40:2412:1116:32
13:12
#25672
24M
24.00 mi16:12:104:53:0912:1312:45
12:45
#25671
40K
24.85 mi16:23:265:04:2512:1511:16
13:11
#25665
25.2M
25.20 mi16:30:335:11:3212:227:07
20:38
#25722
Finish
26.22 mi16:44:385:25:3712:2614:05
13:49
#25769
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi25974110341103424282(Top 91%)10046(Top 88%)10046(Top 16203%)
10K6.21 mi3.10 mi25702+27210860+17410860+17425381(Top 95%)10655(Top 93%)10655(Top 17185%)
15K9.32 mi3.11 mi25222+48010567+29310567+29324282(Top 91%)10046(Top 88%)10046(Top 16203%)
20K12.43 mi3.11 mi25137+8510536+3110536+3124953(Top 94%)10455(Top 92%)10455(Top 16863%)
Half13.11 mi0.68 mi25132+510531+510531+525042(Top 94%)10522(Top 92%)10522(Top 16971%)
25K15.53 mi2.42 mi25154-2210555-2410555-2425063(Top 94%)10549(Top 92%)10549(Top 17015%)
30K18.64 mi3.11 mi25346-19210688-13310688-13325854(Top 97%)11028(Top 97%)11028(Top 17787%)
20M20.00 mi1.36 mi25526-18010793-10510793-10526422(Top 99%)11330(Top 99%)11330(Top 18274%)
21M21.00 mi1.00 mi25638-11210853-6010853-6026430(Top 99%)11332(Top 99%)11332(Top 18277%)
35K21.75 mi0.75 mi25683-4510883-3010883-3026348(Top 99%)11304(Top 99%)11304(Top 18232%)
23M23.00 mi1.25 mi25672+1110881+210881+225287(Top 95%)10788(Top 94%)10788(Top 17400%)
24M24.00 mi1.00 mi25671+110889-810889-825305(Top 95%)10833(Top 95%)10833(Top 17473%)
40K24.85 mi0.85 mi25665+610887+210887+225096(Top 94%)10727(Top 94%)10727(Top 17302%)
25.2M25.20 mi0.35 mi25722-5710920-3310920-3326603(Top 100%)11416(Top 100%)11416(Top 18413%)
Finish26.22 mi1.02 mi25769-4710951-3110951-3126313(Top 99%)11316(Top 99%)11316(Top 18252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24282

Females

10046

F70-74

10046

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25381

Females

10655

F70-74

10655

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24282

Females

10046

F70-74

10046

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

24953

Females

10455

F70-74

10455

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

25042

Females

10522

F70-74

10522

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

25063

Females

10549

F70-74

10549

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

25854

Females

11028

F70-74

11028

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26422

Females

11330

F70-74

11330

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

26430

Females

11332

F70-74

11332

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

26348

Females

11304

F70-74

11304

35K→23M

21.8 - 23.0 mi

Top 95%
×5story building
+23ft-63ft

Overall

25287

Females

10788

F70-74

10788

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

25305

Females

10833

F70-74

10833

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

25096

Females

10727

F70-74

10727

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

26603

Females

11416

F70-74

11416

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

26313

Females

11316

F70-74

11316

Passing Analysis

Category:
Athletes Passed
1105
Passed By
900
Net Change
+205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25974
5K → 10K30230+272#25974#25702
10K → 15K4811+480#25702#25222
15K → 20K13752+85#25222#25137
20K → Half1813+5#25137#25132
Half → 25K6890-22#25132#25154
25K → 30K22214-192#25154#25346
30K → 20M1181-180#25346#25526
20M → 21M3115-112#25526#25638
21M → 35K550-45#25638#25683
35K → 23M2918+11#25683#25672
23M → 24M1817+1#25672#25671
24M → 40K1711+6#25671#25665
40K → 25.2M057-57#25665#25722
25.2M → Finish451-47#25722#25769
TOTALS1105900+205
📊

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