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BOSTON MARATHON 2023

Sara Clement

Bib: 19194•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 41%
Masters (Masters Women)
#0 / 6539
Top 29%
Division (F45-49)
#0 / 1817
Top 32%
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
8:27/mi
26:16
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
51:47
↑ 79↓ 1380.4%
15K· 9.32 mi
8:11/mi
1:17:14
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:42:54
↑ 106↓ 860.1%
Half· 13.11 mi
8:10/mi
1:48:28
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:08:27
↑ 66↓ 880.2%
30K· 18.64 mi
8:29/mi
2:34:49
↑ 181↓ 1480.2%
20M
8:29/mi
2:46:21
↑ 64↓ 500.2%
21M
8:56/mi
2:55:17
↑ 106↓ 241.6%
35K· 21.75 mi
8:15/mi
3:01:27
↑ 17↓ 861.7%
23M
8:35/mi
3:12:12
↑ 23↓ 630.6%
24M
8:20/mi
3:20:32
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:27:47
↓ 200.3%
25.2M
9:11/mi
3:30:57
↑ 13↓ 160.2%
Finish· 26.22 mi
7:58/mi
3:39:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:28
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:50:36
Pace8:26 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0326:168:2726:16
8:27
-
10K
6.21 mi11:43:3451:478:2025:31
8:13
-0:14
15K
9.32 mi12:09:011:17:148:1725:27
8:11
-0:02
20K
12.43 mi12:34:411:42:548:1725:40
8:16
+0:05
Half
13.11 mi12:40:151:48:288:165:34
8:10
-0:06
25K
15.53 mi13:00:142:08:278:1619:59
8:15
+0:05
30K
18.64 mi13:26:362:34:498:1826:22
8:29
+0:14
20M
20.00 mi13:38:082:46:218:1911:32
8:29
0:00
21M
21.00 mi13:47:042:55:178:218:56
8:56
+0:27
35K
21.75 mi13:53:143:01:278:216:10
8:15
-0:41
23M
23.00 mi14:03:593:12:128:2110:45
8:35
+0:20
24M
24.00 mi14:12:193:20:328:218:20
8:20
-0:15
40K
24.85 mi14:19:343:27:478:227:15
8:29
+0:09
25.2M
25.20 mi14:22:443:30:578:223:10
9:11
+0:42
Finish
26.22 mi14:30:513:39:048:228:07
7:58
-1:13

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

7:58 /mi

Average Pace

8:22 /mi

Slowest Pace

9:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:58

94% of race

Time at Steady Pace

12:06

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:21 /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 mi11:18:0326:168:2726:16
8:27
#17254
10K
6.21 mi11:43:3451:478:2025:31
8:13
#16739
15K
9.32 mi12:09:011:17:148:1725:27
8:11
#16423
20K
12.43 mi12:34:411:42:548:1725:40
8:16
#16125
Half
13.11 mi12:40:151:48:288:165:34
8:10
#16086
25K
15.53 mi13:00:142:08:278:1619:59
8:15
#15816
30K
18.64 mi13:26:362:34:498:1826:22
8:29
#15516
20M
20.00 mi13:38:082:46:218:1911:32
8:29
#15350
21M
21.00 mi13:47:042:55:178:218:56
8:56
#15185
35K
21.75 mi13:53:143:01:278:216:10
8:15
#15123
23M
23.00 mi14:03:593:12:128:2110:45
8:35
#15028
24M
24.00 mi14:12:193:20:328:218:20
8:20
#14940
40K
24.85 mi14:19:343:27:478:227:15
8:29
#14846
25.2M
25.20 mi14:22:443:30:578:223:10
9:11
#14811
Finish
26.22 mi14:30:513:39:048:228:07
7:58
#14698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi172546095609515809(Top 59%)5169(Top 45%)5169(Top 284%)
10K6.21 mi3.10 mi16739+5155737+3585737+35816355(Top 61%)5483(Top 48%)5483(Top 302%)
15K9.32 mi3.11 mi16423+3165538+1995538+19915809(Top 59%)5169(Top 45%)5169(Top 284%)
20K12.43 mi3.11 mi16125+2985382+1565382+15615366(Top 58%)4944(Top 43%)4944(Top 272%)
Half13.11 mi0.68 mi16086+395366+165366+1615527(Top 58%)4999(Top 44%)4999(Top 275%)
25K15.53 mi2.42 mi15816+2705223+1435223+14314548(Top 55%)4550(Top 40%)4550(Top 250%)
30K18.64 mi3.11 mi15516+3005082+1415082+14114240(Top 53%)4478(Top 39%)4478(Top 246%)
20M20.00 mi1.36 mi15350+1664997+854997+8513578(Top 51%)4167(Top 36%)4167(Top 229%)
21M21.00 mi1.00 mi15185+1654913+844913+8413063(Top 49%)3984(Top 35%)3984(Top 219%)
35K21.75 mi0.75 mi15123+624891+224891+2213791(Top 52%)4454(Top 39%)4454(Top 245%)
23M23.00 mi1.25 mi15028+954857+344857+3413741(Top 52%)4469(Top 39%)4469(Top 246%)
24M24.00 mi1.00 mi14940+884819+384819+3813467(Top 51%)4377(Top 38%)4377(Top 241%)
40K24.85 mi0.85 mi14846+944790+294790+2913239(Top 50%)4337(Top 38%)4337(Top 239%)
25.2M25.20 mi0.35 mi14811+354781+94781+913613(Top 51%)4550(Top 40%)4550(Top 250%)
Finish26.22 mi1.02 mi14698+1134722+594722+5911915(Top 45%)3672(Top 32%)3672(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21story building
+97ft-345ft

Overall

15809

Females

5169

F45-49

5169

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16355

Females

5483

F45-49

5483

10K→15K

6.2 - 9.3 mi

Top 59%
×3story building
+67ft-78ft

Overall

15809

Females

5169

F45-49

5169

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15366

Females

4944

F45-49

4944

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15527

Females

4999

F45-49

4999

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14548

Females

4550

F45-49

4550

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14240

Females

4478

F45-49

4478

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13578

Females

4167

F45-49

4167

20M→21M

20.0 - 21.0 mi

Top 49%
×8story building
+106ft-24ft

Overall

13063

Females

3984

F45-49

3984

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13791

Females

4454

F45-49

4454

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13741

Females

4469

F45-49

4469

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13467

Females

4377

F45-49

4377

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13239

Females

4337

F45-49

4337

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13613

Females

4550

F45-49

4550

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11915

Females

3672

F45-49

3672

Passing Analysis

Category:
Athletes Passed
3059
Passed By
503
Net Change
+2556
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17254
5K → 10K649134+515#17254#16739
10K → 15K40791+316#16739#16423
15K → 20K34244+298#16423#16125
20K → Half5920+39#16125#16086
Half → 25K29424+270#16086#15816
25K → 30K34848+300#15816#15516
30K → 20M18721+166#15516#15350
20M → 21M18015+165#15350#15185
21M → 35K7614+62#15185#15123
35K → 23M12631+95#15123#15028
23M → 24M10921+88#15028#14940
24M → 40K10915+94#14940#14846
40K → 25.2M4914+35#14846#14811
25.2M → Finish12411+113#14811#14698
TOTALS3059503+2556
📊

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