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BOSTON MARATHON 2023

Liana Nguyen

Bib: 27207•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
10:21/mi
32:08
↑ 97↓ 3451.5%
10K· 6.21 mi
10:28/mi
1:04:40
↑ 79↓ 1380.4%
15K· 9.32 mi
10:38/mi
1:37:41
↑ 67↓ 78
20K· 12.43 mi
10:59/mi
2:11:48
↑ 106↓ 860.1%
Half· 13.11 mi
10:51/mi
2:19:12
↑ 19↓ 370.5%
25K· 15.53 mi
10:59/mi
2:45:51
↑ 66↓ 880.2%
30K· 18.64 mi
11:23/mi
3:21:12
↑ 181↓ 1480.2%
20M
11:42/mi
3:37:06
↑ 64↓ 500.2%
21M
12:55/mi
3:50:01
↑ 106↓ 241.6%
35K· 21.75 mi
11:22/mi
3:58:31
↑ 17↓ 861.7%
23M
12:28/mi
4:14:07
↑ 23↓ 630.6%
24M
12:05/mi
4:26:12
↓ 821.3%
40K· 24.85 mi
11:56/mi
4:36:24
↓ 200.3%
25.2M
12:31/mi
4:40:43
↑ 13↓ 160.2%
Finish· 26.22 mi
10:31/mi
4:51:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:12
Pace10:37 /mi
2nd Half
Distance13.11 mi
Time2:32:14
Pace11:37 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4132:0810:2132:08
10:21
-
10K
6.21 mi12:26:131:04:4010:2432:32
10:28
+0:07
15K
9.32 mi12:59:141:37:4110:2933:01
10:38
+0:10
20K
12.43 mi13:33:212:11:4810:3634:07
10:59
+0:21
Half
13.11 mi13:40:452:19:1210:377:24
10:51
-0:08
25K
15.53 mi14:07:242:45:5110:4126:39
10:59
+0:08
30K
18.64 mi14:42:453:21:1210:4835:21
11:23
+0:24
20M
20.00 mi14:58:393:37:0610:5115:54
11:42
+0:19
21M
21.00 mi15:11:343:50:0110:5712:55
12:55
+1:13
35K
21.75 mi15:20:043:58:3110:588:30
11:22
-1:33
23M
23.00 mi15:35:404:14:0711:0315:36
12:28
+1:06
24M
24.00 mi15:47:454:26:1211:0612:05
12:05
-0:23
40K
24.85 mi15:57:574:36:2411:0710:12
11:56
-0:09
25.2M
25.20 mi16:02:164:40:4311:084:19
12:31
+0:35
Finish
26.22 mi16:12:594:51:2611:0710:43
10:31
-2:00

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

10:21 /mi

Average Pace

11:07 /mi

Slowest Pace

12:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:48

40% of race

Time at Steady Pace

2:00:31

41% of race

Time at Slower Pace

55:07

19% of race

Average Pace: 11:07 /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 mi11:53:4132:0810:2132:08
10:21
#24336
10K
6.21 mi12:26:131:04:4010:2432:32
10:28
#24506
15K
9.32 mi12:59:141:37:4110:2933:01
10:38
#24601
20K
12.43 mi13:33:212:11:4810:3634:07
10:59
#24599
Half
13.11 mi13:40:452:19:1210:377:24
10:51
#24625
25K
15.53 mi14:07:242:45:5110:4126:39
10:59
#24512
30K
18.64 mi14:42:453:21:1210:4835:21
11:23
#24350
20M
20.00 mi14:58:393:37:0610:5115:54
11:42
#24292
21M
21.00 mi15:11:343:50:0110:5712:55
12:55
#24272
35K
21.75 mi15:20:043:58:3110:588:30
11:22
#24256
23M
23.00 mi15:35:404:14:0711:0315:36
12:28
#24303
24M
24.00 mi15:47:454:26:1211:0612:05
12:05
#24327
40K
24.85 mi15:57:574:36:2411:0710:12
11:56
#24318
25.2M
25.20 mi16:02:164:40:4311:084:19
12:31
#24304
Finish
26.22 mi16:12:594:51:2611:0710:43
10:31
#24275
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24336100601006024679(Top 93%)10282(Top 90%)10282(Top 211%)
10K6.21 mi3.10 mi24506-17010163-10310163-10324636(Top 93%)10245(Top 90%)10245(Top 210%)
15K9.32 mi3.11 mi24601-9510223-6010223-6024679(Top 93%)10282(Top 90%)10282(Top 211%)
20K12.43 mi3.11 mi24599+210233-1010233-1024612(Top 92%)10263(Top 90%)10263(Top 210%)
Half13.11 mi0.68 mi24625-2610251-1810251-1824738(Top 93%)10341(Top 91%)10341(Top 212%)
25K15.53 mi2.42 mi24512+11310194+5710194+5723966(Top 90%)9938(Top 87%)9938(Top 203%)
30K18.64 mi3.11 mi24350+16210121+7310121+7323693(Top 89%)9833(Top 86%)9833(Top 201%)
20M20.00 mi1.36 mi24292+5810101+2010101+2023818(Top 89%)9976(Top 87%)9976(Top 204%)
21M21.00 mi1.00 mi24272+2010099+210099+223999(Top 90%)10087(Top 88%)10087(Top 207%)
35K21.75 mi0.75 mi24256+1610101-210101-223914(Top 90%)10088(Top 88%)10088(Top 207%)
23M23.00 mi1.25 mi24303-4710130-2910130-2924538(Top 92%)10411(Top 91%)10411(Top 213%)
24M24.00 mi1.00 mi24327-2410147-1710147-1724631(Top 93%)10499(Top 92%)10499(Top 215%)
40K24.85 mi0.85 mi24318+910148-110148-123815(Top 89%)10091(Top 88%)10091(Top 207%)
25.2M25.20 mi0.35 mi24304+1410146+210146+223341(Top 88%)9854(Top 86%)9854(Top 202%)
Finish26.22 mi1.02 mi24275+2910130+1610130+1623045(Top 87%)9671(Top 85%)9671(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

24679

Females

10282

F18-39

10282

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24636

Females

10245

F18-39

10245

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

24679

Females

10282

F18-39

10282

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

24612

Females

10263

F18-39

10263

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

24738

Females

10341

F18-39

10341

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

23966

Females

9938

F18-39

9938

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23693

Females

9833

F18-39

9833

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

23818

Females

9976

F18-39

9976

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23999

Females

10087

F18-39

10087

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23914

Females

10088

F18-39

10088

35K→23M

21.8 - 23.0 mi

Top 92%
×5story building
+23ft-63ft

Overall

24538

Females

10411

F18-39

10411

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24631

Females

10499

F18-39

10499

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23815

Females

10091

F18-39

10091

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23341

Females

9854

F18-39

9854

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23045

Females

9671

F18-39

9671

Passing Analysis

Category:
Athletes Passed
965
Passed By
904
Net Change
+61
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24336
5K → 10K120290-170#24336#24506
10K → 15K100195-95#24506#24601
15K → 20K9593+2#24601#24599
20K → Half1541-26#24599#24625
Half → 25K14027+113#24625#24512
25K → 30K20038+162#24512#24350
30K → 20M8123+58#24350#24292
20M → 21M5333+20#24292#24272
21M → 35K3317+16#24272#24256
35K → 23M1562-47#24256#24303
23M → 24M2145-24#24303#24327
24M → 40K2920+9#24327#24318
40K → 25.2M2410+14#24318#24304
25.2M → Finish3910+29#24304#24275
TOTALS965904+61
📊

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