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BOSTON MARATHON 2023

Lisa Tomlins

Bib: 12072•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 50%
Gender (Female)
#0 / 11423
Top 34%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:23
Rank: #12842
Start → 5K
24:23 | 7:51/mi
10K· 6.21 mi
48:31
Rank: #12784 (+58)
5K → 10K
24:08 | 7:46/mi
15K· 9.32 mi
1:12:34
Rank: #12544 (+240)
10K → 15K
24:03 | 7:44/mi
20K· 12.43 mi
1:38:15
Rank: #13375 (-831)
15K → 20K
25:41 | 8:16/mi
Half· 13.11 mi
1:43:35
Rank: #13334 (+41)
20K → Half
5:20 | 7:49/mi
25K· 15.53 mi
2:03:24
Rank: #13415 (-81)
Half → 25K
19:49 | 8:10/mi
30K· 18.64 mi
2:29:49
Rank: #13576 (-161)
25K → 30K
26:25 | 8:30/mi
20M
2:41:31
Rank: #13642 (-66)
30K → 20M
11:42 | 8:37/mi
21M
2:50:57
Rank: #13762 (-120)
20M → 21M
9:26 | 9:26/mi
35K· 21.75 mi
2:57:04
Rank: #13735 (+27)
21M → 35K
6:07 | 8:11/mi
23M
3:07:28
Rank: #13593 (+142)
35K → 23M
10:24 | 8:18/mi
24M
3:15:58
Rank: #13622 (-29)
23M → 24M
8:30 | 8:30/mi
40K· 24.85 mi
3:23:03
Rank: #13533 (+89)
24M → 40K
7:05 | 8:17/mi
25.2M
3:26:03
Rank: #13464 (+69)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:33:44
Rank: #13255 (+209)
25.2M → Finish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:35
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:50:09
Pace8:24 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0424:237:5124:23
7:51
-
10K
6.21 mi11:16:1248:317:4824:08
7:46
-0:05
15K
9.32 mi11:40:151:12:347:4724:03
7:44
-0:02
20K
12.43 mi12:05:561:38:157:5425:41
8:16
+0:32
Half
13.11 mi12:11:161:43:357:545:20
7:49
-0:27
25K
15.53 mi12:31:052:03:247:5719:49
8:10
+0:21
30K
18.64 mi12:57:302:29:498:0226:25
8:30
+0:20
20M
20.00 mi13:09:122:41:318:0511:42
8:37
+0:07
21M
21.00 mi13:18:382:50:578:089:26
9:26
+0:49
35K
21.75 mi13:24:452:57:048:096:07
8:11
-1:15
23M
23.00 mi13:35:093:07:288:0910:24
8:18
+0:07
24M
24.00 mi13:43:393:15:588:108:30
8:30
+0:12
40K
24.85 mi13:50:443:23:038:107:05
8:17
-0:13
25.2M
25.20 mi13:53:443:26:038:113:00
8:42
+0:25
Finish
26.22 mi14:01:253:33:448:097:41
7:32
-1:10

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

7:32 /mi

Average Pace

8:09 /mi

Slowest Pace

9:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:25:35

40% of race

Time at Steady Pace

1:09:06

32% of race

Time at Slower Pace

59:03

28% of race

Average Pace: 8:09 /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 mi10:52:0424:237:5124:23
7:51
#12842
10K
6.21 mi11:16:1248:317:4824:08
7:46
#12784
15K
9.32 mi11:40:151:12:347:4724:03
7:44
#12544
20K
12.43 mi12:05:561:38:157:5425:41
8:16
#13375
Half
13.11 mi12:11:161:43:357:545:20
7:49
#13334
25K
15.53 mi12:31:052:03:247:5719:49
8:10
#13415
30K
18.64 mi12:57:302:29:498:0226:25
8:30
#13576
20M
20.00 mi13:09:122:41:318:0511:42
8:37
#13642
21M
21.00 mi13:18:382:50:578:089:26
9:26
#13762
35K
21.75 mi13:24:452:57:048:096:07
8:11
#13735
23M
23.00 mi13:35:093:07:288:0910:24
8:18
#13593
24M
24.00 mi13:43:393:15:588:108:30
8:30
#13622
40K
24.85 mi13:50:443:23:038:107:05
8:17
#13533
25.2M
25.20 mi13:53:443:26:038:113:00
8:42
#13464
Finish
26.22 mi14:01:253:33:448:097:41
7:32
#13255
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128423348334812232(Top 46%)3038(Top 27%)3038(Top 62%)
10K6.21 mi3.10 mi12784+583304+443304+4412869(Top 48%)3358(Top 29%)3358(Top 69%)
15K9.32 mi3.11 mi12544+2403200+1043200+10412232(Top 46%)3038(Top 27%)3038(Top 62%)
20K12.43 mi3.11 mi13375-8313706-5063706-50615391(Top 58%)4955(Top 43%)4955(Top 101%)
Half13.11 mi0.68 mi13334+413687+193687+1912949(Top 49%)3478(Top 30%)3478(Top 71%)
25K15.53 mi2.42 mi13415-813753-663753-6614055(Top 53%)4258(Top 37%)4258(Top 87%)
30K18.64 mi3.11 mi13576-1613886-1333886-13314334(Top 54%)4524(Top 40%)4524(Top 93%)
20M20.00 mi1.36 mi13642-663941-553941-5514328(Top 54%)4607(Top 40%)4607(Top 94%)
21M21.00 mi1.00 mi13762-1204034-934034-9315653(Top 59%)5424(Top 47%)5424(Top 111%)
35K21.75 mi0.75 mi13735+274028+64028+613300(Top 50%)4162(Top 36%)4162(Top 85%)
23M23.00 mi1.25 mi13593+1423969+593969+5911960(Top 45%)3498(Top 31%)3498(Top 72%)
24M24.00 mi1.00 mi13622-294012-434012-4314480(Top 54%)4937(Top 43%)4937(Top 101%)
40K24.85 mi0.85 mi13533+893977+353977+3511959(Top 45%)3649(Top 32%)3649(Top 75%)
25.2M25.20 mi0.35 mi13464+693952+253952+2510838(Top 41%)3112(Top 27%)3112(Top 64%)
Finish26.22 mi1.02 mi13255+2093851+1013851+1018896(Top 33%)2209(Top 19%)2209(Top 45%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12232

Females

3038

F18-39

3038

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12869

Females

3358

F18-39

3358

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12232

Females

3038

F18-39

3038

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15391

Females

4955

F18-39

4955

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12949

Females

3478

F18-39

3478

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14055

Females

4258

F18-39

4258

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14334

Females

4524

F18-39

4524

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14328

Females

4607

F18-39

4607

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

15653

Females

5424

F18-39

5424

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

13300

Females

4162

F18-39

4162

35K→23M

21.8 - 23.0 mi

Top 45%
×5stories
+23ft-63ft

Overall

11960

Females

3498

F18-39

3498

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14480

Females

4937

F18-39

4937

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11959

Females

3649

F18-39

3649

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10838

Females

3112

F18-39

3112

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8896

Females

2209

F18-39

2209

Passing Analysis

Category:
Athletes Passed
1854
Passed By
2267
Net Change
-413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12842
5K → 10K334276+58#12842#12784
10K → 15K349109+240#12784#12544
15K → 20K38869-831#12544#13375
20K → Half5817+41#13375#13334
Half → 25K115196-81#13334#13415
25K → 30K139300-161#13415#13576
30K → 20M78144-66#13576#13642
20M → 21M54174-120#13642#13762
21M → 35K6033+27#13762#13735
35K → 23M16927+142#13735#13593
23M → 24M5685-29#13593#13622
24M → 40K11021+89#13622#13533
40K → 25.2M767+69#13533#13464
25.2M → Finish2189+209#13464#13255
TOTALS18542267-413
📊

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