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BOSTON MARATHON 2023

Mimi Smith

Bib: 2050•F

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0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Female)
#0 / 11423
Top 0.3%
Division (F18-39)
#0 / 4884
Top 0.7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:12
Rank: #1100
Start → 5K
19:12 | 6:11/mi
10K· 6.21 mi
37:38
Rank: #853 (+247)
5K → 10K
18:26 | 5:56/mi
15K· 9.32 mi
56:18
Rank: #809 (+44)
10K → 15K
18:40 | 6:00/mi
20K· 12.43 mi
1:15:04
Rank: #751 (+58)
15K → 20K
18:46 | 6:02/mi
Half· 13.11 mi
1:19:08
Rank: #750 (+1)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:33:42
Rank: #709 (+41)
Half → 25K
14:34 | 6:00/mi
30K· 18.64 mi
1:52:45
Rank: #673 (+36)
25K → 30K
19:03 | 6:08/mi
20M
2:01:09
Rank: #660 (+13)
30K → 20M
8:24 | 6:11/mi
21M
2:07:20
Rank: #620 (+40)
20M → 21M
6:11 | 6:11/mi
35K· 21.75 mi
2:11:43
Rank: #611 (+9)
21M → 35K
4:23 | 5:52/mi
23M
2:19:15
Rank: #584 (+27)
35K → 23M
7:32 | 6:01/mi
24M
2:25:10
Rank: #567 (+17)
23M → 24M
5:55 | 5:55/mi
40K· 24.85 mi
2:30:22
Rank: #556 (+11)
24M → 40K
5:12 | 6:05/mi
25.2M
2:32:36
Rank: #545 (+11)
40K → 25.2M
2:14 | 6:29/mi
Finish· 26.22 mi
2:38:33
Rank: #537 (+8)
25.2M → Finish
5:57 | 5:50/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:19:08
Pace6:02 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:19:25
Pace6:03 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:1719:126:1119:12
6:11
-
10K
6.21 mi10:38:4337:386:0318:26
5:56
-0:15
15K
9.32 mi10:57:2356:186:0218:40
6:00
+0:04
20K
12.43 mi11:16:091:15:046:0218:46
6:02
+0:02
Half
13.11 mi11:20:131:19:086:024:04
5:58
-0:04
25K
15.53 mi11:34:471:33:426:0214:34
6:00
+0:02
30K
18.64 mi11:53:501:52:456:0319:03
6:08
+0:08
20M
20.00 mi12:02:142:01:096:038:24
6:11
+0:03
21M
21.00 mi12:08:252:07:206:046:11
6:11
0:00
35K
21.75 mi12:12:482:11:436:034:23
5:52
-0:19
23M
23.00 mi12:20:202:19:156:037:32
6:01
+0:09
24M
24.00 mi12:26:152:25:106:035:55
5:55
-0:06
40K
24.85 mi12:31:272:30:226:035:12
6:05
+0:10
25.2M
25.20 mi12:33:412:32:366:032:14
6:29
+0:24
Finish
26.22 mi12:39:382:38:336:035:57
5:50
-0:39

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

5:50 /mi

Average Pace

6:03 /mi

Slowest Pace

6:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:19

99% of race

Time at Steady Pace

2:14

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:03 /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 mi10:20:1719:126:1119:12
6:11
#1100
10K
6.21 mi10:38:4337:386:0318:26
5:56
#853
15K
9.32 mi10:57:2356:186:0218:40
6:00
#809
20K
12.43 mi11:16:091:15:046:0218:46
6:02
#751
Half
13.11 mi11:20:131:19:086:024:04
5:58
#750
25K
15.53 mi11:34:471:33:426:0214:34
6:00
#709
30K
18.64 mi11:53:501:52:456:0319:03
6:08
#673
20M
20.00 mi12:02:142:01:096:038:24
6:11
#660
21M
21.00 mi12:08:252:07:206:046:11
6:11
#620
35K
21.75 mi12:12:482:11:436:034:23
5:52
#611
23M
23.00 mi12:20:202:19:156:037:32
6:01
#584
24M
24.00 mi12:26:152:25:106:035:55
5:55
#567
40K
24.85 mi12:31:272:30:226:035:12
6:05
#556
25.2M
25.20 mi12:33:412:32:366:032:14
6:29
#545
Finish
26.22 mi12:39:382:38:336:035:57
5:50
#537
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11005858741(Top 3%)43(Top 0.4%)43(Top 0.9%)
10K6.21 mi3.10 mi853+24748+1048+10658(Top 2%)43(Top 0.4%)43(Top 0.9%)
15K9.32 mi3.11 mi809+4445+345+3741(Top 3%)43(Top 0.4%)43(Top 0.9%)
20K12.43 mi3.11 mi751+5843+243+2643(Top 2%)41(Top 0.4%)41(Top 0.8%)
Half13.11 mi0.68 mi750+14343693(Top 3%)40(Top 0.4%)40(Top 0.8%)
25K15.53 mi2.42 mi709+414343559(Top 2%)39(Top 0.3%)39(Top 0.8%)
30K18.64 mi3.11 mi673+3641+241+2558(Top 2%)35(Top 0.3%)35(Top 0.7%)
20M20.00 mi1.36 mi660+134141630(Top 2%)37(Top 0.3%)37(Top 0.8%)
21M21.00 mi1.00 mi620+4040+140+1217(Top 0.8%)24(Top 0.2%)24(Top 0.5%)
35K21.75 mi0.75 mi611+94040463(Top 2%)35(Top 0.3%)35(Top 0.7%)
23M23.00 mi1.25 mi584+2739+139+1327(Top 1%)26(Top 0.2%)26(Top 0.5%)
24M24.00 mi1.00 mi567+1738+138+1418(Top 2%)27(Top 0.2%)27(Top 0.6%)
40K24.85 mi0.85 mi556+113838468(Top 2%)28(Top 0.2%)28(Top 0.6%)
25.2M25.20 mi0.35 mi545+113838495(Top 2%)28(Top 0.2%)28(Top 0.6%)
Finish26.22 mi1.02 mi537+837+137+1442(Top 2%)23(Top 0.2%)23(Top 0.5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

741

Females

43

F18-39

43

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

658

Females

43

F18-39

43

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

741

Females

43

F18-39

43

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

643

Females

41

F18-39

41

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

693

Females

40

F18-39

40

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

559

Females

39

F18-39

39

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

558

Females

35

F18-39

35

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

630

Females

37

F18-39

37

20M→21M

20.0 - 21.0 mi

Top 0.8%
×8stories
+106ft-24ft

Overall

217

Females

24

F18-39

24

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

463

Females

35

F18-39

35

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

327

Females

26

F18-39

26

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

418

Females

27

F18-39

27

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

468

Females

28

F18-39

28

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

495

Females

28

F18-39

28

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

442

Females

23

F18-39

23

Passing Analysis

Category:
Athletes Passed
607
Passed By
44
Net Change
+563
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1100
5K → 10K2503+247#1100#853
10K → 15K517+44#853#809
15K → 20K602+58#809#751
20K → Half43+1#751#750
Half → 25K432+41#750#709
25K → 30K448+36#709#673
30K → 20M174+13#673#660
20M → 21M400+40#660#620
21M → 35K112+9#620#611
35K → 23M281+27#611#584
23M → 24M236+17#584#567
24M → 40K121+11#567#556
40K → 25.2M110+11#556#545
25.2M → Finish135+8#545#537
TOTALS60744+563
📊

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