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BOSTON MARATHON 2023

Quy Nguyen

Bib: 19471•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 47%
Division (F45-49)
#0 / 1817
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
8:43/mi
27:04
↑ 97↓ 3451.5%
10K· 6.21 mi
8:38/mi
53:52
↑ 79↓ 1380.4%
15K· 9.32 mi
8:42/mi
1:20:54
↑ 67↓ 78
20K· 12.43 mi
8:46/mi
1:48:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
1:54:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:50/mi
2:15:35
↑ 66↓ 880.2%
30K· 18.64 mi
9:01/mi
2:43:36
↑ 181↓ 1480.2%
20M
8:57/mi
2:55:46
↑ 64↓ 500.2%
21M
9:07/mi
3:04:53
↑ 106↓ 241.6%
35K· 21.75 mi
8:36/mi
3:11:19
↑ 17↓ 861.7%
23M
8:50/mi
3:22:22
↑ 23↓ 630.6%
24M
8:41/mi
3:31:03
↓ 821.3%
40K· 24.85 mi
8:56/mi
3:38:41
↓ 200.3%
25.2M
9:25/mi
3:41:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:17/mi
3:50:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:10
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time1:56:12
Pace8:52 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1627:048:4327:04
8:43
-
10K
6.21 mi12:10:0453:528:4026:48
8:38
-0:05
15K
9.32 mi12:37:061:20:548:4127:02
8:42
+0:04
20K
12.43 mi13:04:211:48:098:4227:15
8:46
+0:04
Half
13.11 mi13:10:221:54:108:436:01
8:49
+0:03
25K
15.53 mi13:31:472:15:358:4421:25
8:50
+0:01
30K
18.64 mi13:59:482:43:368:4728:01
9:01
+0:11
20M
20.00 mi14:11:582:55:468:4712:10
8:57
-0:04
21M
21.00 mi14:21:053:04:538:489:07
9:07
+0:10
35K
21.75 mi14:27:313:11:198:486:26
8:36
-0:31
23M
23.00 mi14:38:343:22:228:4811:03
8:50
+0:14
24M
24.00 mi14:47:153:31:038:488:41
8:41
-0:09
40K
24.85 mi14:54:533:38:418:487:38
8:56
+0:15
25.2M
25.20 mi14:58:083:41:568:483:15
9:25
+0:29
Finish
26.22 mi15:06:343:50:228:488:26
8:17
-1:08

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

8:17 /mi

Average Pace

8:48 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38:00

95% of race

Time at Steady Pace

12:22

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:47 /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 mi11:43:1627:048:4327:04
8:43
#18962
10K
6.21 mi12:10:0453:528:4026:48
8:38
#18937
15K
9.32 mi12:37:061:20:548:4127:02
8:42
#18926
20K
12.43 mi13:04:211:48:098:4227:15
8:46
#18807
Half
13.11 mi13:10:221:54:108:436:01
8:49
#18844
25K
15.53 mi13:31:472:15:358:4421:25
8:50
#18726
30K
18.64 mi13:59:482:43:368:4728:01
9:01
#18437
20M
20.00 mi14:11:582:55:468:4712:10
8:57
#18266
21M
21.00 mi14:21:053:04:538:489:07
9:07
#17993
35K
21.75 mi14:27:313:11:198:486:26
8:36
#17927
23M
23.00 mi14:38:343:22:228:4811:03
8:50
#17761
24M
24.00 mi14:47:153:31:038:488:41
8:41
#17671
40K
24.85 mi14:54:533:38:418:487:38
8:56
#17613
25.2M
25.20 mi14:58:083:41:568:483:15
9:25
#17555
Finish
26.22 mi15:06:343:50:228:488:26
8:17
#17421
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi189627180718018987(Top 71%)7090(Top 62%)7090(Top 390%)
10K6.21 mi3.10 mi18937+257105+757105+7518986(Top 71%)7071(Top 62%)7071(Top 389%)
15K9.32 mi3.11 mi18926+117088+177088+1718987(Top 71%)7090(Top 62%)7090(Top 390%)
20K12.43 mi3.11 mi18807+1197005+837005+8318515(Top 70%)6799(Top 60%)6799(Top 374%)
Half13.11 mi0.68 mi18844-377030-257030-2519591(Top 74%)7419(Top 65%)7419(Top 408%)
25K15.53 mi2.42 mi18726+1186967+636967+6318140(Top 68%)6625(Top 58%)6625(Top 365%)
30K18.64 mi3.11 mi18437+2896831+1366831+13617276(Top 65%)6231(Top 55%)6231(Top 343%)
20M20.00 mi1.36 mi18266+1716739+926739+9216315(Top 61%)5764(Top 50%)5764(Top 317%)
21M21.00 mi1.00 mi17993+2736589+1506589+15014093(Top 53%)4540(Top 40%)4540(Top 250%)
35K21.75 mi0.75 mi17927+666556+336556+3315900(Top 60%)5635(Top 49%)5635(Top 310%)
23M23.00 mi1.25 mi17761+1666479+776479+7715156(Top 57%)5273(Top 46%)5273(Top 290%)
24M24.00 mi1.00 mi17671+906436+436436+4315605(Top 59%)5595(Top 49%)5595(Top 308%)
40K24.85 mi0.85 mi17613+586413+236413+2315803(Top 59%)5747(Top 50%)5747(Top 316%)
25.2M25.20 mi0.35 mi17555+586382+316382+3114903(Top 56%)5261(Top 46%)5261(Top 290%)
Finish26.22 mi1.02 mi17421+1346315+676315+6713998(Top 53%)4749(Top 42%)4749(Top 261%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18987

Females

7090

F45-49

7090

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18986

Females

7071

F45-49

7071

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18987

Females

7090

F45-49

7090

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18515

Females

6799

F45-49

6799

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19591

Females

7419

F45-49

7419

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18140

Females

6625

F45-49

6625

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17276

Females

6231

F45-49

6231

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16315

Females

5764

F45-49

5764

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14093

Females

4540

F45-49

4540

21M→35K

21.0 - 21.8 mi

Top 60%
×7story building
+17ft-86ft

Overall

15900

Females

5635

F45-49

5635

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15156

Females

5273

F45-49

5273

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15605

Females

5595

F45-49

5595

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15803

Females

5747

F45-49

5747

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

14903

Females

5261

F45-49

5261

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

13998

Females

4749

F45-49

4749

Passing Analysis

Category:
Athletes Passed
2430
Passed By
889
Net Change
+1541
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18962
5K → 10K353328+25#18962#18937
10K → 15K189178+11#18937#18926
15K → 20K230111+119#18926#18807
20K → Half1855-37#18807#18844
Half → 25K17052+118#18844#18726
25K → 30K34152+289#18726#18437
30K → 20M18615+171#18437#18266
20M → 21M2774+273#18266#17993
21M → 35K7711+66#17993#17927
35K → 23M18721+166#17927#17761
23M → 24M11020+90#17761#17671
24M → 40K8527+58#17671#17613
40K → 25.2M668+58#17613#17555
25.2M → Finish1417+134#17555#17421
TOTALS2430889+1541
📊

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