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BOSTON MARATHON 2023

Elizabeth Lim

Bib: 15867•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:17
Rank: #21871
Start → 5K
9:26/mi
29:17 split
10K· 6.21 mi
1:03:00
Rank: #23933 (-2062)
5K → 10K
10:51/mi
33:43 split
15K· 9.32 mi
1:35:15
Rank: #24055 (-122)
10K → 15K
10:23/mi
32:15 split
20K· 12.43 mi
2:10:28
Rank: #24414 (-359)
15K → 20K
11:20/mi
35:13 split
Half· 13.11 mi
2:19:16
Rank: #24630 (-216)
20K → Half
12:54/mi
8:48 split
25K· 15.53 mi
2:50:24
Rank: #24970 (-340)
Half → 25K
12:50/mi
31:08 split
30K· 18.64 mi
3:31:10
Rank: #25139 (-169)
25K → 30K
13:07/mi
40:46 split
20M
3:49:03
Rank: #25168 (-29)
30K → 20M
13:10/mi
17:53 split
21M
4:04:43
Rank: #25262 (-94)
20M → 21M
15:40/mi
15:40 split
35K· 21.75 mi
4:13:01
Rank: #25214 (+48)
21M → 35K
11:06/mi
8:18 split
23M
4:29:04
Rank: #25207 (+7)
35K → 23M
12:49/mi
16:03 split
24M
4:41:13
Rank: #25201 (+6)
23M → 24M
12:09/mi
12:09 split
40K· 24.85 mi
4:51:52
Rank: #25183 (+18)
24M → 40K
12:27/mi
10:39 split
25.2M
4:56:16
Rank: #25171 (+12)
40K → 25.2M
12:46/mi
4:24 split
Finish· 26.22 mi
5:07:32
Rank: #25140 (+31)
25.2M → Finish
11:03/mi
11:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:16
Pace10:37 /mi
2nd Half
Distance13.11 mi
Time2:48:16
Pace12:50 /mi
📊Positive Split: 20.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:0429:179:2629:17
9:26
-
10K
6.21 mi11:33:471:03:0010:0833:43
10:51
+1:25
15K
9.32 mi12:06:021:35:1510:1332:15
10:23
-0:28
20K
12.43 mi12:41:152:10:2810:3035:13
11:20
+0:57
Half
13.11 mi12:50:032:19:1610:378:48
12:54
+1:34
25K
15.53 mi13:21:112:50:2410:5831:08
12:50
-0:04
30K
18.64 mi14:01:573:31:1011:2040:46
13:07
+0:17
20M
20.00 mi14:19:503:49:0311:2717:53
13:10
+0:03
21M
21.00 mi14:35:304:04:4311:3915:40
15:40
+2:30
35K
21.75 mi14:43:484:13:0111:388:18
11:06
-4:34
23M
23.00 mi14:59:514:29:0411:4216:03
12:49
+1:43
24M
24.00 mi15:12:004:41:1311:4312:09
12:09
-0:40
40K
24.85 mi15:22:394:51:5211:4510:39
12:27
+0:18
25.2M
25.20 mi15:27:034:56:1611:454:24
12:46
+0:19
Finish
26.22 mi15:38:195:07:3211:4411:16
11:03
-1:43

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

9:26 /mi

Average Pace

11:44 /mi

Slowest Pace

15:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:02

49% of race

Time at Steady Pace

2:21:50

46% of race

Time at Slower Pace

15:40

5% of race

Average Pace: 11:44 /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 mi11:00:0429:179:2629:17
9:26
#21871
10K
6.21 mi11:33:471:03:0010:0833:43
10:51
#23933
15K
9.32 mi12:06:021:35:1510:1332:15
10:23
#24055
20K
12.43 mi12:41:152:10:2810:3035:13
11:20
#24414
Half
13.11 mi12:50:032:19:1610:378:48
12:54
#24630
25K
15.53 mi13:21:112:50:2410:5831:08
12:50
#24970
30K
18.64 mi14:01:573:31:1011:2040:46
13:07
#25139
20M
20.00 mi14:19:503:49:0311:2717:53
13:10
#25168
21M
21.00 mi14:35:304:04:4311:3915:40
15:40
#25262
35K
21.75 mi14:43:484:13:0111:388:18
11:06
#25214
23M
23.00 mi14:59:514:29:0411:4216:03
12:49
#25207
24M
24.00 mi15:12:004:41:1311:4312:09
12:09
#25201
40K
24.85 mi15:22:394:51:5211:4510:39
12:27
#25183
25.2M
25.20 mi15:27:034:56:1611:454:24
12:46
#25171
Finish
26.22 mi15:38:195:07:3211:4411:16
11:03
#25140
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi218718823882324246(Top 91%)10029(Top 88%)10029(Top 1231%)
10K6.21 mi3.10 mi23933-20629860-10379860-103725273(Top 95%)10593(Top 93%)10593(Top 1300%)
15K9.32 mi3.11 mi24055-1229922-629922-6224246(Top 91%)10029(Top 88%)10029(Top 1231%)
20K12.43 mi3.11 mi24414-35910125-20310125-20325044(Top 94%)10507(Top 92%)10507(Top 1289%)
Half13.11 mi0.68 mi24630-21610253-12810253-12826325(Top 99%)11255(Top 99%)11255(Top 1381%)
25K15.53 mi2.42 mi24970-34010448-19510448-19525778(Top 97%)10947(Top 96%)10947(Top 1343%)
30K18.64 mi3.11 mi25139-16910566-11810566-11825508(Top 96%)10847(Top 95%)10847(Top 1331%)
20M20.00 mi1.36 mi25168-2910588-2210588-2225300(Top 95%)10756(Top 94%)10756(Top 1320%)
21M21.00 mi1.00 mi25262-9410649-6110649-6126096(Top 98%)11168(Top 98%)11168(Top 1370%)
35K21.75 mi0.75 mi25214+4810630+1910630+1923488(Top 88%)9872(Top 86%)9872(Top 1211%)
23M23.00 mi1.25 mi25207+710637-710637-724909(Top 94%)10588(Top 93%)10588(Top 1299%)
24M24.00 mi1.00 mi25201+6106371063724722(Top 93%)10541(Top 92%)10541(Top 1293%)
40K24.85 mi0.85 mi25183+1810632+510632+524400(Top 92%)10392(Top 91%)10392(Top 1275%)
25.2M25.20 mi0.35 mi25171+1210624+810624+823689(Top 89%)10035(Top 88%)10035(Top 1231%)
Finish26.22 mi1.02 mi25140+3110612+1210612+1224085(Top 90%)10205(Top 89%)10205(Top 1252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24246

Females

10029

F55-59

10029

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25273

Females

10593

F55-59

10593

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24246

Females

10029

F55-59

10029

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

25044

Females

10507

F55-59

10507

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26325

Females

11255

F55-59

11255

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25778

Females

10947

F55-59

10947

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25508

Females

10847

F55-59

10847

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

25300

Females

10756

F55-59

10756

20M→21M

20.0 - 21.0 mi

Top 98%
×8story building
+106ft-24ft

Overall

26096

Females

11168

F55-59

11168

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23488

Females

9872

F55-59

9872

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

24909

Females

10588

F55-59

10588

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24722

Females

10541

F55-59

10541

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24400

Females

10392

F55-59

10392

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23689

Females

10035

F55-59

10035

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

24085

Females

10205

F55-59

10205

Passing Analysis

Category:
Athletes Passed
381
Passed By
3650
Net Change
-3269
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21871
5K → 10K22064-2062#21871#23933
10K → 15K73195-122#23933#24055
15K → 20K30389-359#24055#24414
20K → Half3219-216#24414#24630
Half → 25K11351-340#24630#24970
25K → 30K35204-169#24970#25139
30K → 20M2958-29#25139#25168
20M → 21M8102-94#25168#25262
21M → 35K557+48#25262#25214
35K → 23M3427+7#25214#25207
23M → 24M2216+6#25207#25201
24M → 40K3012+18#25201#25183
40K → 25.2M131+12#25183#25171
25.2M → Finish365+31#25171#25140
TOTALS3813650-3269
📊

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