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BOSTON MARATHON 2023

Yumei Guo

Bib: 19223•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 43%
Masters (Masters Women)
#0 / 6539
Top 31%
Division (F50-54)
#0 / 1207
Top 22%
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
8:32/mi
26:32
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
51:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:16:28
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:41:54
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:47:31
↑ 19↓ 370.5%
25K· 15.53 mi
8:29/mi
2:08:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:37/mi
2:34:52
↑ 181↓ 1480.2%
20M
8:38/mi
2:46:36
↑ 64↓ 500.2%
21M
9:18/mi
2:55:54
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
3:02:11
↑ 17↓ 861.7%
23M
8:38/mi
3:13:00
↑ 23↓ 630.6%
24M
8:18/mi
3:21:18
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:28:29
↓ 200.3%
25.2M
9:02/mi
3:31:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:40:10
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:31
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time1:52:39
Pace8:36 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3426:328:3226:32
8:32
-
10K
6.21 mi11:47:4251:408:1925:08
8:05
-0:27
15K
9.32 mi12:12:301:16:288:1224:48
7:59
-0:06
20K
12.43 mi12:37:561:41:548:1225:26
8:11
+0:12
Half
13.11 mi12:43:331:47:318:125:37
8:14
+0:03
25K
15.53 mi13:04:082:08:068:1520:35
8:29
+0:15
30K
18.64 mi13:30:542:34:528:1826:46
8:37
+0:08
20M
20.00 mi13:42:382:46:368:2011:44
8:38
+0:01
21M
21.00 mi13:51:562:55:548:239:18
9:18
+0:40
35K
21.75 mi13:58:133:02:118:236:17
8:24
-0:54
23M
23.00 mi14:09:023:13:008:2310:49
8:38
+0:14
24M
24.00 mi14:17:203:21:188:238:18
8:18
-0:20
40K
24.85 mi14:24:313:28:298:237:11
8:24
+0:06
25.2M
25.20 mi14:27:383:31:368:243:07
9:02
+0:38
Finish
26.22 mi14:36:123:40:108:248:34
8:24
-0:38

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

7:59 /mi

Average Pace

8:24 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:45

94% of race

Time at Steady Pace

12:25

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:24 /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 mi11:22:3426:328:3226:32
8:32
#17840
10K
6.21 mi11:47:4251:408:1925:08
8:05
#16618
15K
9.32 mi12:12:301:16:288:1224:48
7:59
#15858
20K
12.43 mi12:37:561:41:548:1225:26
8:11
#15568
Half
13.11 mi12:43:331:47:318:125:37
8:14
#15603
25K
15.53 mi13:04:082:08:068:1520:35
8:29
#15665
30K
18.64 mi13:30:542:34:528:1826:46
8:37
#15539
20M
20.00 mi13:42:382:46:368:2011:44
8:38
#15450
21M
21.00 mi13:51:562:55:548:239:18
9:18
#15366
35K
21.75 mi13:58:133:02:118:236:17
8:24
#15315
23M
23.00 mi14:09:023:13:008:2310:49
8:38
#15231
24M
24.00 mi14:17:203:21:188:238:18
8:18
#15125
40K
24.85 mi14:24:313:28:298:237:11
8:24
#15031
25.2M
25.20 mi14:27:383:31:368:243:07
9:02
#14989
Finish
26.22 mi14:36:123:40:108:248:34
8:24
#14993
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi178406445644514255(Top 54%)4235(Top 37%)4235(Top 351%)
10K6.21 mi3.10 mi16618+12225654+7915654+79115449(Top 58%)4935(Top 43%)4935(Top 409%)
15K9.32 mi3.11 mi15858+7605192+4625192+46214255(Top 54%)4235(Top 37%)4235(Top 351%)
20K12.43 mi3.11 mi15568+2905036+1565036+15614900(Top 56%)4649(Top 41%)4649(Top 385%)
Half13.11 mi0.68 mi15603-355061-255061-2516047(Top 60%)5315(Top 47%)5315(Top 440%)
25K15.53 mi2.42 mi15665-625127-665127-6616130(Top 61%)5514(Top 48%)5514(Top 457%)
30K18.64 mi3.11 mi15539+1265091+365091+3615012(Top 56%)4934(Top 43%)4934(Top 409%)
20M20.00 mi1.36 mi15450+895061+305061+3014507(Top 54%)4709(Top 41%)4709(Top 390%)
21M21.00 mi1.00 mi15366+845036+255036+2514998(Top 56%)5052(Top 44%)5052(Top 419%)
35K21.75 mi0.75 mi15315+515014+225014+2214751(Top 55%)4965(Top 43%)4965(Top 411%)
23M23.00 mi1.25 mi15231+844984+304984+3014046(Top 53%)4647(Top 41%)4647(Top 385%)
24M24.00 mi1.00 mi15125+1064931+534931+5313280(Top 50%)4276(Top 37%)4276(Top 354%)
40K24.85 mi0.85 mi15031+944897+344897+3412756(Top 48%)4094(Top 36%)4094(Top 339%)
25.2M25.20 mi0.35 mi14989+424885+124885+1212826(Top 48%)4159(Top 36%)4159(Top 345%)
Finish26.22 mi1.02 mi14993-44904-194904-1914805(Top 56%)5154(Top 45%)5154(Top 427%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14255

Females

4235

F50-54

4235

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15449

Females

4935

F50-54

4935

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14255

Females

4235

F50-54

4235

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

14900

Females

4649

F50-54

4649

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

16047

Females

5315

F50-54

5315

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

16130

Females

5514

F50-54

5514

25K→30K

15.5 - 18.6 mi

Top 56%
×9story building
+181ft-148ft

Overall

15012

Females

4934

F50-54

4934

30K→20M

18.6 - 20.0 mi

Top 54%
×5story building
+64ft-50ft

Overall

14507

Females

4709

F50-54

4709

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14998

Females

5052

F50-54

5052

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14751

Females

4965

F50-54

4965

35K→23M

21.8 - 23.0 mi

Top 53%
×5story building
+23ft-63ft

Overall

14046

Females

4647

F50-54

4647

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13280

Females

4276

F50-54

4276

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12756

Females

4094

F50-54

4094

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12826

Females

4159

F50-54

4159

25.2M→Finish

25.2 - 26.2 mi

Top 56%
×2story building
+22ft-21ft

Overall

14805

Females

5154

F50-54

5154

Passing Analysis

Category:
Athletes Passed
3573
Passed By
726
Net Change
+2847
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17840
5K → 10K127654+1222#17840#16618
10K → 15K78222+760#16618#15858
15K → 20K33949+290#15858#15568
20K → Half1954-35#15568#15603
Half → 25K119181-62#15603#15665
25K → 30K233107+126#15665#15539
30K → 20M12738+89#15539#15450
20M → 21M13046+84#15450#15366
21M → 35K7120+51#15366#15315
35K → 23M13147+84#15315#15231
23M → 24M12014+106#15231#15125
24M → 40K11218+94#15125#15031
40K → 25.2M5412+42#15031#14989
25.2M → Finish6064-4#14989#14993
TOTALS3573726+2847
📊

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