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BOSTON MARATHON 2023

Lillian Qian

Bib: 17853•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Masters (Masters Women)
#0 / 6539
Top 16%
Division (F50-54)
#0 / 1207
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:09
Rank: #14680
Start → 5K
25:09 | 8:06/mi
10K· 6.21 mi
50:08
Rank: #14886 (-206)
5K → 10K
24:59 | 8:02/mi
15K· 9.32 mi
1:14:46
Rank: #14508 (+378)
10K → 15K
24:38 | 7:56/mi
20K· 12.43 mi
1:39:19
Rank: #14032 (+476)
15K → 20K
24:33 | 7:54/mi
Half· 13.11 mi
1:44:37
Rank: #13944 (+88)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:03:40
Rank: #13565 (+379)
Half → 25K
19:03 | 7:51/mi
30K· 18.64 mi
2:28:39
Rank: #13093 (+472)
25K → 30K
24:59 | 8:02/mi
20M
2:39:49
Rank: #12981 (+112)
30K → 20M
11:10 | 8:13/mi
21M
2:48:30
Rank: #12851 (+130)
20M → 21M
8:41 | 8:41/mi
35K· 21.75 mi
2:54:13
Rank: #12703 (+148)
21M → 35K
5:43 | 7:38/mi
23M
3:04:15
Rank: #12529 (+174)
35K → 23M
10:02 | 8:01/mi
24M
3:12:08
Rank: #12419 (+110)
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:19:04
Rank: #12359 (+60)
24M → 40K
6:56 | 8:07/mi
25.2M
3:22:09
Rank: #12360 (-1)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:30:23
Rank: #12376 (-16)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:37
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:45:46
Pace8:04 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3525:098:0625:09
8:06
-
10K
6.21 mi11:40:3450:088:0424:59
8:02
-0:04
15K
9.32 mi12:05:121:14:468:0124:38
7:56
-0:06
20K
12.43 mi12:29:451:39:198:0024:33
7:54
-0:02
Half
13.11 mi12:35:031:44:377:595:18
7:46
-0:08
25K
15.53 mi12:54:062:03:407:5819:03
7:51
+0:05
30K
18.64 mi13:19:052:28:397:5824:59
8:02
+0:11
20M
20.00 mi13:30:152:39:497:5911:10
8:13
+0:11
21M
21.00 mi13:38:562:48:308:018:41
8:41
+0:28
35K
21.75 mi13:44:392:54:138:015:43
7:38
-1:03
23M
23.00 mi13:54:413:04:158:0110:02
8:01
+0:23
24M
24.00 mi14:02:343:12:088:007:53
7:53
-0:08
40K
24.85 mi14:09:303:19:048:016:56
8:07
+0:14
25.2M
25.20 mi14:12:353:22:098:013:05
8:56
+0:49
Finish
26.22 mi14:20:493:30:238:028:14
8:05
-0:51

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

7:38 /mi

Average Pace

8:02 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:37

94% of race

Time at Steady Pace

11:46

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi11:15:3525:098:0625:09
8:06
#14680
10K
6.21 mi11:40:3450:088:0424:59
8:02
#14886
15K
9.32 mi12:05:121:14:468:0124:38
7:56
#14508
20K
12.43 mi12:29:451:39:198:0024:33
7:54
#14032
Half
13.11 mi12:35:031:44:377:595:18
7:46
#13944
25K
15.53 mi12:54:062:03:407:5819:03
7:51
#13565
30K
18.64 mi13:19:052:28:397:5824:59
8:02
#13093
20M
20.00 mi13:30:152:39:497:5911:10
8:13
#12981
21M
21.00 mi13:38:562:48:308:018:41
8:41
#12851
35K
21.75 mi13:44:392:54:138:015:43
7:38
#12703
23M
23.00 mi13:54:413:04:158:0110:02
8:01
#12529
24M
24.00 mi14:02:343:12:088:007:53
7:53
#12419
40K
24.85 mi14:09:303:19:048:016:56
8:07
#12359
25.2M
25.20 mi14:12:353:22:098:013:05
8:56
#12360
Finish
26.22 mi14:20:493:30:238:028:14
8:05
#12376
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi146804436443613811(Top 52%)3970(Top 35%)3970(Top 329%)
10K6.21 mi3.10 mi14886-2064581-1454581-14515108(Top 57%)4728(Top 41%)4728(Top 392%)
15K9.32 mi3.11 mi14508+3784356+2254356+22513811(Top 52%)3970(Top 35%)3970(Top 329%)
20K12.43 mi3.11 mi14032+4764106+2504106+25012647(Top 48%)3349(Top 29%)3349(Top 277%)
Half13.11 mi0.68 mi13944+884051+554051+5512516(Top 47%)3219(Top 28%)3219(Top 267%)
25K15.53 mi2.42 mi13565+3793841+2103841+21011606(Top 44%)2839(Top 25%)2839(Top 235%)
30K18.64 mi3.11 mi13093+4723608+2333608+23311247(Top 42%)2765(Top 24%)2765(Top 229%)
20M20.00 mi1.36 mi12981+1123557+513557+5111829(Top 44%)3175(Top 28%)3175(Top 263%)
21M21.00 mi1.00 mi12851+1303503+543503+5411583(Top 44%)3188(Top 28%)3188(Top 264%)
35K21.75 mi0.75 mi12703+1483431+723431+729622(Top 36%)2207(Top 19%)2207(Top 183%)
23M23.00 mi1.25 mi12529+1743343+883343+889875(Top 37%)2459(Top 22%)2459(Top 204%)
24M24.00 mi1.00 mi12419+1103303+403303+4010442(Top 39%)2808(Top 25%)2808(Top 233%)
40K24.85 mi0.85 mi12359+603291+123291+1210800(Top 41%)3048(Top 27%)3048(Top 253%)
25.2M25.20 mi0.35 mi12360-13302-113302-1112216(Top 46%)3829(Top 34%)3829(Top 317%)
Finish26.22 mi1.02 mi12376-163333-313333-3112667(Top 48%)4043(Top 35%)4043(Top 335%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13811

Females

3970

F50-54

3970

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15108

Females

4728

F50-54

4728

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13811

Females

3970

F50-54

3970

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12647

Females

3349

F50-54

3349

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

12516

Females

3219

F50-54

3219

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11606

Females

2839

F50-54

2839

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11247

Females

2765

F50-54

2765

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11829

Females

3175

F50-54

3175

20M→21M

20.0 - 21.0 mi

Top 44%
×8stories
+106ft-24ft

Overall

11583

Females

3188

F50-54

3188

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9622

Females

2207

F50-54

2207

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9875

Females

2459

F50-54

2459

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10442

Females

2808

F50-54

2808

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10800

Females

3048

F50-54

3048

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12216

Females

3829

F50-54

3829

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12667

Females

4043

F50-54

4043

Passing Analysis

Category:
Athletes Passed
3085
Passed By
781
Net Change
+2304
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14680
5K → 10K207413-206#14680#14886
10K → 15K43355+378#14886#14508
15K → 20K49519+476#14508#14032
20K → Half957+88#14032#13944
Half → 25K3889+379#13944#13565
25K → 30K49523+472#13565#13093
30K → 20M15341+112#13093#12981
20M → 21M16131+130#12981#12851
21M → 35K1546+148#12851#12703
35K → 23M18915+174#12703#12529
23M → 24M12212+110#12529#12419
24M → 40K9333+60#12419#12359
40K → 25.2M3435-1#12359#12360
25.2M → Finish6682-16#12360#12376
TOTALS3085781+2304
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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