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BOSTON MARATHON 2023

Ingrid Li

MA

Bib: 26070 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
11:41/mi
36:18
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
12:25/mi
1:14:52
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
11:37/mi
1:50:58
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:18/mi
2:26:05
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
11:01/mi
2:33:36
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
12:01/mi
3:02:43
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:09/mi
3:40:28
↑ 181↓ 1480.2%
138 ft elev
20M
12:23/mi
3:57:18
↑ 64↓ 500.2%
148 ft elev
21M
12:25/mi
4:09:43
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
10:55/mi
4:17:53
↑ 17↓ 861.7%
156 ft elev
23M
11:31/mi
4:32:18
↑ 23↓ 630.6%
116 ft elev
24M
11:36/mi
4:43:54
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:46/mi
4:53:06
↓ 200.3%
20 ft elev
25.2M
11:07/mi
4:56:56
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:52/mi
5:06:59
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:33:36
Pace11:43 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:33:23
Pace11:42 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1836:1811:4136:18
11:41
-
10K
6.21 mi12:31:521:14:5212:0338:34
12:25
+0:44
15K
9.32 mi13:07:581:50:5811:5436:06
11:37
-0:48
20K
12.43 mi13:43:052:26:0511:4535:07
11:18
-0:19
Half
13.11 mi13:50:362:33:3611:437:31
11:01
-0:17
25K
15.53 mi14:19:433:02:4311:4629:07
12:01
+1:00
30K
18.64 mi14:57:283:40:2811:5037:45
12:09
+0:08
20M
20.00 mi15:14:183:57:1811:5216:50
12:23
+0:14
21M
21.00 mi15:26:434:09:4311:5312:25
12:25
+0:02
35K
21.75 mi15:34:534:17:5311:518:10
10:55
-1:30
23M
23.00 mi15:49:184:32:1811:5014:25
11:31
+0:36
24M
24.00 mi16:00:544:43:5411:5011:36
11:36
+0:05
40K
24.85 mi16:10:064:53:0611:489:12
10:46
-0:50
25.2M
25.20 mi16:13:564:56:5611:473:50
11:07
+0:21
Finish
26.22 mi16:23:595:06:5911:4310:03
9:52
-1:15

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

9:52 /mi

Average Pace

11:43 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:46

13% of race

Time at Steady Pace

2:13:32

43% of race

Time at Slower Pace

2:14:41

44% of race

Average Pace: 11:42 /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 mi11:53:1836:1811:4136:18
11:41
#26318
10K
6.21 mi12:31:521:14:5212:0338:34
12:25
#26394
15K
9.32 mi13:07:581:50:5811:5436:06
11:37
#26244
20K
12.43 mi13:43:052:26:0511:4535:07
11:18
#25998
Half
13.11 mi13:50:362:33:3611:437:31
11:01
#25946
25K
15.53 mi14:19:433:02:4311:4629:07
12:01
#25833
30K
18.64 mi14:57:283:40:2811:5037:45
12:09
#25659
20M
20.00 mi15:14:183:57:1811:5216:50
12:23
#25597
21M
21.00 mi15:26:434:09:4311:5312:25
12:25
#25502
35K
21.75 mi15:34:534:17:5311:518:10
10:55
#25442
23M
23.00 mi15:49:184:32:1811:5014:25
11:31
#25363
24M
24.00 mi16:00:544:43:5411:5011:36
11:36
#25315
40K
24.85 mi16:10:064:53:0611:489:12
10:46
#25235
25.2M
25.20 mi16:13:564:56:5611:473:50
11:07
#25196
Finish
26.22 mi16:23:595:06:5911:4310:03
9:52
#25127
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi26318112411124125815(Top 97%)10926(Top 96%)10926(Top 601%)
10K6.21 mi3.10 mi26394-7611287-4611287-4626447(Top 99%)11326(Top 99%)11326(Top 623%)
15K9.32 mi3.11 mi26244+15011193+9411193+9425815(Top 97%)10926(Top 96%)10926(Top 601%)
20K12.43 mi3.11 mi25998+24611040+15311040+15325010(Top 94%)10483(Top 92%)10483(Top 577%)
Half13.11 mi0.68 mi25946+5211004+3611004+3624971(Top 94%)10483(Top 92%)10483(Top 577%)
25K15.53 mi2.42 mi25833+11310948+5610948+5625170(Top 95%)10615(Top 93%)10615(Top 584%)
30K18.64 mi3.11 mi25659+17410863+8510863+8524664(Top 93%)10381(Top 91%)10381(Top 571%)
20M20.00 mi1.36 mi25597+6210832+3110832+3124625(Top 92%)10409(Top 91%)10409(Top 573%)
21M21.00 mi1.00 mi25502+9510788+4410788+4423361(Top 88%)9742(Top 85%)9742(Top 536%)
35K21.75 mi0.75 mi25442+6010758+3010758+3023175(Top 87%)9689(Top 85%)9689(Top 533%)
23M23.00 mi1.25 mi25363+7910717+4110717+4123279(Top 87%)9743(Top 85%)9743(Top 536%)
24M24.00 mi1.00 mi25315+4810697+2010697+2024013(Top 90%)10171(Top 89%)10171(Top 560%)
40K24.85 mi0.85 mi25235+8010663+3410663+3421878(Top 82%)9090(Top 80%)9090(Top 500%)
25.2M25.20 mi0.35 mi25196+3910639+2410639+2420772(Top 78%)8478(Top 74%)8478(Top 467%)
Finish26.22 mi1.02 mi25127+6910608+3110608+3121389(Top 80%)8782(Top 77%)8782(Top 483%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25815

Females

10926

F45-49

10926

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

26447

Females

11326

F45-49

11326

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25815

Females

10926

F45-49

10926

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

25010

Females

10483

F45-49

10483

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24971

Females

10483

F45-49

10483

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

25170

Females

10615

F45-49

10615

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

24664

Females

10381

F45-49

10381

30K→20M

18.6 - 20.0 mi

Top 92%
×5story building
+64ft-50ft

Overall

24625

Females

10409

F45-49

10409

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23361

Females

9742

F45-49

9742

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23175

Females

9689

F45-49

9689

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23279

Females

9743

F45-49

9743

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

24013

Females

10171

F45-49

10171

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21878

Females

9090

F45-49

9090

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20772

Females

8478

F45-49

8478

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

21389

Females

8782

F45-49

8782

Passing Analysis

Category:
Athletes Passed
1317
Passed By
126
Net Change
+1191
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26318
5K → 10K1995-76#26318#26394
10K → 15K1511+150#26394#26244
15K → 20K2460+246#26244#25998
20K → Half531+52#25998#25946
Half → 25K1185+113#25946#25833
25K → 30K1806+174#25833#25659
30K → 20M675+62#25659#25597
20M → 21M972+95#25597#25502
21M → 35K611+60#25502#25442
35K → 23M823+79#25442#25363
23M → 24M524+48#25363#25315
24M → 40K811+80#25315#25235
40K → 25.2M412+39#25235#25196
25.2M → Finish690+69#25196#25127
TOTALS1317126+1191
📊

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