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BOSTON MARATHON 2023

Nga Vo

Bib: 27938•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Division (F18-39)
#0 / 4884
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
8:33/mi
26:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:08/mi
51:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:17:06
↑ 67↓ 78
20K· 12.43 mi
8:22/mi
1:43:06
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:48:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:14/mi
2:08:32
↑ 66↓ 880.2%
30K· 18.64 mi
8:32/mi
2:35:04
↑ 181↓ 1480.2%
20M
8:34/mi
2:46:43
↑ 64↓ 500.2%
21M
9:20/mi
2:56:03
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
3:02:04
↑ 17↓ 861.7%
23M
8:33/mi
3:12:46
↑ 23↓ 630.6%
24M
8:07/mi
3:20:53
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:28:02
↓ 200.3%
25.2M
9:11/mi
3:31:12
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:39:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:34
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:50:38
Pace8:26 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0226:338:3326:33
8:33
-
10K
6.21 mi12:09:1951:508:2125:17
8:08
-0:25
15K
9.32 mi12:34:351:17:068:1625:16
8:08
0:00
20K
12.43 mi13:00:351:43:068:1826:00
8:22
+0:14
Half
13.11 mi13:06:031:48:348:175:28
8:01
-0:21
25K
15.53 mi13:26:012:08:328:1619:58
8:14
+0:13
30K
18.64 mi13:52:332:35:048:1926:32
8:32
+0:18
20M
20.00 mi14:04:122:46:438:2011:39
8:34
+0:02
21M
21.00 mi14:13:322:56:038:239:20
9:20
+0:46
35K
21.75 mi14:19:333:02:048:226:01
8:03
-1:17
23M
23.00 mi14:30:153:12:468:2310:42
8:33
+0:30
24M
24.00 mi14:38:223:20:538:228:07
8:07
-0:26
40K
24.85 mi14:45:313:28:028:227:09
8:22
+0:15
25.2M
25.20 mi14:48:413:31:128:233:10
9:11
+0:49
Finish
26.22 mi14:56:413:39:128:228:00
7:51
-1:20

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

7:51 /mi

Average Pace

8:22 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:42

94% of race

Time at Steady Pace

3:10

1% of race

Time at Slower Pace

9:20

4% of race

Average Pace: 8:22 /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 mi11:44:0226:338:3326:33
8:33
#17879
10K
6.21 mi12:09:1951:508:2125:17
8:08
#16792
15K
9.32 mi12:34:351:17:068:1625:16
8:08
#16312
20K
12.43 mi13:00:351:43:068:1826:00
8:22
#16253
Half
13.11 mi13:06:031:48:348:175:28
8:01
#16141
25K
15.53 mi13:26:012:08:328:1619:58
8:14
#15855
30K
18.64 mi13:52:332:35:048:1926:32
8:32
#15614
20M
20.00 mi14:04:122:46:438:2011:39
8:34
#15473
21M
21.00 mi14:13:322:56:038:239:20
9:20
#15414
35K
21.75 mi14:19:333:02:048:226:01
8:03
#15281
23M
23.00 mi14:30:153:12:468:2310:42
8:33
#15170
24M
24.00 mi14:38:223:20:538:228:07
8:07
#15032
40K
24.85 mi14:45:313:28:028:227:09
8:22
#14911
25.2M
25.20 mi14:48:413:31:128:233:10
9:11
#14879
Finish
26.22 mi14:56:413:39:128:228:00
7:51
#14725
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi178796470647015390(Top 58%)4904(Top 43%)4904(Top 100%)
10K6.21 mi3.10 mi16792+10875771+6995771+69915803(Top 59%)5145(Top 45%)5145(Top 105%)
15K9.32 mi3.11 mi16312+4805473+2985473+29815390(Top 58%)4904(Top 43%)4904(Top 100%)
20K12.43 mi3.11 mi16253+595455+185455+1816051(Top 60%)5379(Top 47%)5379(Top 110%)
Half13.11 mi0.68 mi16141+1125398+575398+5714560(Top 55%)4429(Top 39%)4429(Top 91%)
25K15.53 mi2.42 mi15855+2865245+1535245+15314507(Top 54%)4522(Top 40%)4522(Top 93%)
30K18.64 mi3.11 mi15614+2415131+1145131+11414559(Top 55%)4663(Top 41%)4663(Top 95%)
20M20.00 mi1.36 mi15473+1415074+575074+5714104(Top 53%)4476(Top 39%)4476(Top 92%)
21M21.00 mi1.00 mi15414+595067+75067+715190(Top 57%)5162(Top 45%)5162(Top 106%)
35K21.75 mi0.75 mi15281+1334994+734994+7312496(Top 47%)3715(Top 33%)3715(Top 76%)
23M23.00 mi1.25 mi15170+1114945+494945+4913526(Top 51%)4357(Top 38%)4357(Top 89%)
24M24.00 mi1.00 mi15032+1384875+704875+7012094(Top 45%)3651(Top 32%)3651(Top 75%)
40K24.85 mi0.85 mi14911+1214825+504825+5012512(Top 47%)3953(Top 35%)3953(Top 81%)
25.2M25.20 mi0.35 mi14879+324816+94816+913614(Top 51%)4551(Top 40%)4551(Top 93%)
Finish26.22 mi1.02 mi14725+1544744+724744+7211087(Top 42%)3252(Top 28%)3252(Top 67%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

15390

Females

4904

F18-39

4904

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15803

Females

5145

F18-39

5145

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

15390

Females

4904

F18-39

4904

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16051

Females

5379

F18-39

5379

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14560

Females

4429

F18-39

4429

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14507

Females

4522

F18-39

4522

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14559

Females

4663

F18-39

4663

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14104

Females

4476

F18-39

4476

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15190

Females

5162

F18-39

5162

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12496

Females

3715

F18-39

3715

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13526

Females

4357

F18-39

4357

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

12094

Females

3651

F18-39

3651

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12512

Females

3953

F18-39

3953

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13614

Females

4551

F18-39

4551

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2story building
+22ft-21ft

Overall

11087

Females

3252

F18-39

3252

Passing Analysis

Category:
Athletes Passed
3646
Passed By
492
Net Change
+3154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17879
5K → 10K115265+1087#17879#16792
10K → 15K53656+480#16792#16312
15K → 20K197138+59#16312#16253
20K → Half1164+112#16253#16141
Half → 25K30721+286#16141#15855
25K → 30K30867+241#15855#15614
30K → 20M15918+141#15614#15473
20M → 21M11657+59#15473#15414
21M → 35K1341+133#15414#15281
35K → 23M14231+111#15281#15170
23M → 24M1446+138#15170#15032
24M → 40K1298+121#15032#14911
40K → 25.2M4513+32#14911#14879
25.2M → Finish1617+154#14879#14725
TOTALS3646492+3154
📊

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