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BOSTON MARATHON 2023

Sarah Combs

Bib: 25073•F

MA

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

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:16/mi
31:53
↑ 97↓ 3451.5%
10K· 6.21 mi
9:48/mi
1:02:20
↑ 79↓ 1380.4%
15K· 9.32 mi
10:01/mi
1:33:26
↑ 67↓ 78
20K· 12.43 mi
10:28/mi
2:05:56
↑ 106↓ 860.1%
Half· 13.11 mi
10:19/mi
2:12:58
↑ 19↓ 370.5%
25K· 15.53 mi
11:30/mi
2:40:50
↑ 66↓ 880.2%
30K· 18.64 mi
11:24/mi
3:16:14
↑ 181↓ 1480.2%
20M
11:09/mi
3:31:23
↑ 64↓ 500.2%
21M
12:14/mi
3:43:37
↑ 106↓ 241.6%
35K· 21.75 mi
10:20/mi
3:51:21
↑ 17↓ 861.7%
23M
11:26/mi
4:05:40
↑ 23↓ 630.6%
24M
10:35/mi
4:16:15
↓ 821.3%
40K· 24.85 mi
10:53/mi
4:25:33
↓ 200.3%
25.2M
12:19/mi
4:29:48
↑ 13↓ 160.2%
Finish· 26.22 mi
10:34/mi
4:40:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:58
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time2:27:36
Pace11:16 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4531:5310:1631:53
10:16
-
10K
6.21 mi12:20:121:02:2010:0230:27
9:48
-0:28
15K
9.32 mi12:51:181:33:2610:0131:06
10:01
+0:13
20K
12.43 mi13:23:482:05:5610:0832:30
10:28
+0:27
Half
13.11 mi13:30:502:12:5810:097:02
10:19
-0:09
25K
15.53 mi13:58:422:40:5010:2127:52
11:30
+1:11
30K
18.64 mi14:34:063:16:1410:3235:24
11:24
-0:06
20M
20.00 mi14:49:153:31:2310:3415:09
11:09
-0:15
21M
21.00 mi15:01:293:43:3710:3912:14
12:14
+1:05
35K
21.75 mi15:09:133:51:2110:387:44
10:20
-1:54
23M
23.00 mi15:23:324:05:4010:4114:19
11:26
+1:06
24M
24.00 mi15:34:074:16:1510:4110:35
10:35
-0:51
40K
24.85 mi15:43:254:25:3310:419:18
10:53
+0:18
25.2M
25.20 mi15:47:404:29:4810:424:15
12:19
+1:26
Finish
26.22 mi15:58:264:40:3410:4310:46
10:34
-1:45

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

9:48 /mi

Average Pace

10:43 /mi

Slowest Pace

12:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:33

22% of race

Time at Steady Pace

1:49:48

39% of race

Time at Slower Pace

1:49:13

39% of race

Average Pace: 10:42 /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 mi11:49:4531:5310:1631:53
10:16
#24122
10K
6.21 mi12:20:121:02:2010:0230:27
9:48
#23691
15K
9.32 mi12:51:181:33:2610:0131:06
10:01
#23661
20K
12.43 mi13:23:482:05:5610:0832:30
10:28
#23710
Half
13.11 mi13:30:502:12:5810:097:02
10:19
#23709
25K
15.53 mi13:58:422:40:5010:2127:52
11:30
#23874
30K
18.64 mi14:34:063:16:1410:3235:24
11:24
#23861
20M
20.00 mi14:49:153:31:2310:3415:09
11:09
#23791
21M
21.00 mi15:01:293:43:3710:3912:14
12:14
#23755
35K
21.75 mi15:09:133:51:2110:387:44
10:20
#23706
23M
23.00 mi15:23:324:05:4010:4114:19
11:26
#23693
24M
24.00 mi15:34:074:16:1510:4110:35
10:35
#23626
40K
24.85 mi15:43:254:25:3310:419:18
10:53
#23588
25.2M
25.20 mi15:47:404:29:4810:424:15
12:19
#23591
Finish
26.22 mi15:58:264:40:3410:4310:46
10:34
#23576
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi241229947994723523(Top 88%)9618(Top 84%)9618(Top 197%)
10K6.21 mi3.10 mi23691+4319725+2229725+22223276(Top 87%)9494(Top 83%)9494(Top 194%)
15K9.32 mi3.11 mi23661+309708+179708+1723523(Top 88%)9618(Top 84%)9618(Top 197%)
20K12.43 mi3.11 mi23710-499725-179725-1723776(Top 89%)9790(Top 86%)9790(Top 200%)
Half13.11 mi0.68 mi23709+19729-49729-423873(Top 90%)9846(Top 86%)9846(Top 202%)
25K15.53 mi2.42 mi23874-1659834-1059834-10524661(Top 93%)10317(Top 90%)10317(Top 211%)
30K18.64 mi3.11 mi23861+139842-89842-823712(Top 89%)9844(Top 86%)9844(Top 202%)
20M20.00 mi1.36 mi23791+709810+329810+3222950(Top 86%)9479(Top 83%)9479(Top 194%)
21M21.00 mi1.00 mi23755+369804+69804+623107(Top 87%)9602(Top 84%)9602(Top 197%)
35K21.75 mi0.75 mi23706+499780+249780+2422102(Top 83%)9115(Top 80%)9115(Top 187%)
23M23.00 mi1.25 mi23693+139780978023140(Top 87%)9666(Top 85%)9666(Top 198%)
24M24.00 mi1.00 mi23626+679754+269754+2622218(Top 83%)9223(Top 81%)9223(Top 189%)
40K24.85 mi0.85 mi23588+389736+189736+1822117(Top 83%)9205(Top 81%)9205(Top 188%)
25.2M25.20 mi0.35 mi23591-39744-89744-823039(Top 87%)9685(Top 85%)9685(Top 198%)
Finish26.22 mi1.02 mi23576+159750-69750-623150(Top 87%)9720(Top 85%)9720(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23523

Females

9618

F18-39

9618

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23276

Females

9494

F18-39

9494

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23523

Females

9618

F18-39

9618

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23776

Females

9790

F18-39

9790

20K→Half

12.4 - 13.1 mi

Top 90%
×2story building
+19ft-37ft

Overall

23873

Females

9846

F18-39

9846

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24661

Females

10317

F18-39

10317

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

23712

Females

9844

F18-39

9844

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22950

Females

9479

F18-39

9479

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23107

Females

9602

F18-39

9602

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22102

Females

9115

F18-39

9115

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23140

Females

9666

F18-39

9666

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

22218

Females

9223

F18-39

9223

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22117

Females

9205

F18-39

9205

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23039

Females

9685

F18-39

9685

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23150

Females

9720

F18-39

9720

Passing Analysis

Category:
Athletes Passed
1347
Passed By
801
Net Change
+546
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24122
5K → 10K50170+431#24122#23691
10K → 15K133103+30#23691#23661
15K → 20K105154-49#23661#23710
20K → Half1918+1#23710#23709
Half → 25K41206-165#23709#23874
25K → 30K115102+13#23874#23861
30K → 20M9121+70#23861#23791
20M → 21M6630+36#23791#23755
21M → 35K545+49#23755#23706
35K → 23M5037+13#23706#23693
23M → 24M736+67#23693#23626
24M → 40K5012+38#23626#23588
40K → 25.2M1215-3#23588#23591
25.2M → Finish3722+15#23591#23576
TOTALS1347801+546
📊

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