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BOSTON MARATHON 2023

Christina Smith

Bib: 26633•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:53
Rank: #24913
Start → 5K
10:35/mi
32:53 split
10K· 6.21 mi
1:04:25
Rank: #24425 (+488)
5K → 10K
10:09/mi
31:32 split
15K· 9.32 mi
1:36:31
Rank: #24340 (+85)
10K → 15K
10:20/mi
32:06 split
20K· 12.43 mi
2:08:05
Rank: #24024 (+316)
15K → 20K
10:10/mi
31:34 split
Half· 13.11 mi
2:15:01
Rank: #23994 (+30)
20K → Half
10:10/mi
6:56 split
25K· 15.53 mi
2:39:47
Rank: #23743 (+251)
Half → 25K
10:13/mi
24:46 split
30K· 18.64 mi
3:11:22
Rank: #23364 (+379)
25K → 30K
10:10/mi
31:35 split
20M
3:25:15
Rank: #23204 (+160)
30K → 20M
10:13/mi
13:53 split
21M
3:35:43
Rank: #23041 (+163)
20M → 21M
10:28/mi
10:28 split
35K· 21.75 mi
3:43:14
Rank: #22975 (+66)
21M → 35K
10:03/mi
7:31 split
23M
3:56:09
Rank: #22855 (+120)
35K → 23M
10:19/mi
12:55 split
24M
4:06:39
Rank: #22809 (+46)
23M → 24M
10:30/mi
10:30 split
40K· 24.85 mi
4:15:43
Rank: #22763 (+46)
24M → 40K
10:36/mi
9:04 split
25.2M
4:19:42
Rank: #22746 (+17)
40K → 25.2M
11:33/mi
3:59 split
Finish· 26.22 mi
4:29:48
Rank: #22718 (+28)
25.2M → Finish
9:55/mi
10:06 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:15:01
Pace10:18 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:14:47
Pace10:17 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:4432:5310:3532:53
10:35
-
10K
6.21 mi12:22:161:04:2510:2231:32
10:09
-0:26
15K
9.32 mi12:54:221:36:3110:2132:06
10:20
+0:11
20K
12.43 mi13:25:562:08:0510:1831:34
10:10
-0:10
Half
13.11 mi13:32:522:15:0110:186:56
10:10
0:00
25K
15.53 mi13:57:382:39:4710:1724:46
10:13
+0:03
30K
18.64 mi14:29:133:11:2210:1631:35
10:10
-0:03
20M
20.00 mi14:43:063:25:1510:1613:53
10:13
+0:03
21M
21.00 mi14:53:343:35:4310:1610:28
10:28
+0:15
35K
21.75 mi15:01:053:43:1410:167:31
10:03
-0:25
23M
23.00 mi15:14:003:56:0910:1612:55
10:19
+0:16
24M
24.00 mi15:24:304:06:3910:1710:30
10:30
+0:11
40K
24.85 mi15:33:344:15:4310:179:04
10:36
+0:06
25.2M
25.20 mi15:37:334:19:4210:183:59
11:33
+0:57
Finish
26.22 mi15:47:394:29:4810:1810:06
9:55
-1:38

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

9:55 /mi

Average Pace

10:18 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:25:49

99% of race

Time at Steady Pace

3:59

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:17 /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 mi11:50:4432:5310:3532:53
10:35
#24913
10K
6.21 mi12:22:161:04:2510:2231:32
10:09
#24425
15K
9.32 mi12:54:221:36:3110:2132:06
10:20
#24340
20K
12.43 mi13:25:562:08:0510:1831:34
10:10
#24024
Half
13.11 mi13:32:522:15:0110:186:56
10:10
#23994
25K
15.53 mi13:57:382:39:4710:1724:46
10:13
#23743
30K
18.64 mi14:29:133:11:2210:1631:35
10:10
#23364
20M
20.00 mi14:43:063:25:1510:1613:53
10:13
#23204
21M
21.00 mi14:53:343:35:4310:1610:28
10:28
#23041
35K
21.75 mi15:01:053:43:1410:167:31
10:03
#22975
23M
23.00 mi15:14:003:56:0910:1612:55
10:19
#22855
24M
24.00 mi15:24:304:06:3910:1710:30
10:30
#22809
40K
24.85 mi15:33:344:15:4310:179:04
10:36
#22763
25.2M
25.20 mi15:37:334:19:4210:183:59
11:33
#22746
Finish
26.22 mi15:47:394:29:4810:1810:06
9:55
#22718
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi24913103901039024142(Top 91%)9972(Top 87%)9972(Top 531%)
10K6.21 mi3.10 mi24425+48810118+27210118+27224017(Top 90%)9894(Top 87%)9894(Top 527%)
15K9.32 mi3.11 mi24340+8510077+4110077+4124142(Top 91%)9972(Top 87%)9972(Top 531%)
20K12.43 mi3.11 mi24024+3169906+1719906+17123229(Top 87%)9472(Top 83%)9472(Top 504%)
Half13.11 mi0.68 mi23994+309894+129894+1223607(Top 89%)9681(Top 85%)9681(Top 515%)
25K15.53 mi2.42 mi23743+2519760+1349760+13422654(Top 85%)9196(Top 81%)9196(Top 490%)
30K18.64 mi3.11 mi23364+3799569+1919569+19121462(Top 81%)8610(Top 75%)8610(Top 458%)
20M20.00 mi1.36 mi23204+1609501+689501+6821081(Top 79%)8459(Top 74%)8459(Top 450%)
21M21.00 mi1.00 mi23041+1639428+739428+7319518(Top 73%)7660(Top 67%)7660(Top 408%)
35K21.75 mi0.75 mi22975+669400+289400+2821435(Top 81%)8739(Top 77%)8739(Top 465%)
23M23.00 mi1.25 mi22855+1209353+479353+4720875(Top 78%)8453(Top 74%)8453(Top 450%)
24M24.00 mi1.00 mi22809+469338+159338+1522052(Top 83%)9128(Top 80%)9128(Top 486%)
40K24.85 mi0.85 mi22763+469314+249314+2421484(Top 81%)8892(Top 78%)8892(Top 473%)
25.2M25.20 mi0.35 mi22746+179307+79307+721703(Top 82%)8970(Top 79%)8970(Top 478%)
Finish26.22 mi1.02 mi22718+289297+109297+1021531(Top 81%)8866(Top 78%)8866(Top 472%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

24142

Females

9972

F40-44

9972

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

24017

Females

9894

F40-44

9894

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

24142

Females

9972

F40-44

9972

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

23229

Females

9472

F40-44

9472

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23607

Females

9681

F40-44

9681

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

22654

Females

9196

F40-44

9196

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21462

Females

8610

F40-44

8610

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

21081

Females

8459

F40-44

8459

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19518

Females

7660

F40-44

7660

21M→35K

21.0 - 21.8 mi

Top 81%
×7story building
+17ft-86ft

Overall

21435

Females

8739

F40-44

8739

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

20875

Females

8453

F40-44

8453

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22052

Females

9128

F40-44

9128

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21484

Females

8892

F40-44

8892

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21703

Females

8970

F40-44

8970

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21531

Females

8866

F40-44

8866

Passing Analysis

Category:
Athletes Passed
2410
Passed By
215
Net Change
+2195
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24913
5K → 10K53143+488#24913#24425
10K → 15K17085+85#24425#24340
15K → 20K32610+316#24340#24024
20K → Half399+30#24024#23994
Half → 25K2554+251#23994#23743
25K → 30K3823+379#23743#23364
30K → 20M1644+160#23364#23204
20M → 21M1652+163#23204#23041
21M → 35K715+66#23041#22975
35K → 23M1255+120#22975#22855
23M → 24M548+46#22855#22809
24M → 40K5610+46#22809#22763
40K → 25.2M2912+17#22763#22746
25.2M → Finish4315+28#22746#22718
TOTALS2410215+2195
📊

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