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BOSTON MARATHON 2023

Jaclyn Eldridge

Bib: 18687•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Masters (Masters Women)
#0 / 6539
Top 32%
Division (F40-44)
#0 / 1878
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
8:39/mi
26:52
↑ 97↓ 3451.5%
10K· 6.21 mi
8:29/mi
53:14
↑ 79↓ 1380.4%
15K· 9.32 mi
8:19/mi
1:19:03
↑ 67↓ 78
20K· 12.43 mi
8:23/mi
1:45:05
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:50:43
↑ 19↓ 370.5%
25K· 15.53 mi
8:18/mi
2:10:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:37:16
↑ 181↓ 1480.2%
20M
8:57/mi
2:49:26
↑ 64↓ 500.2%
21M
8:58/mi
2:58:24
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
3:04:22
↑ 17↓ 861.7%
23M
8:17/mi
3:14:44
↑ 23↓ 630.6%
24M
7:59/mi
3:22:43
↓ 821.3%
40K· 24.85 mi
8:02/mi
3:29:35
↓ 200.3%
25.2M
8:42/mi
3:32:35
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:40:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:50:43
Pace8:27 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:50:00
Pace8:23 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0726:528:3926:52
8:39
-
10K
6.21 mi11:45:2953:148:3426:22
8:29
-0:10
15K
9.32 mi12:11:181:19:038:2925:49
8:19
-0:10
20K
12.43 mi12:37:201:45:058:2726:02
8:23
+0:04
Half
13.11 mi12:42:581:50:438:275:38
8:15
-0:08
25K
15.53 mi13:03:062:10:518:2520:08
8:18
+0:03
30K
18.64 mi13:29:312:37:168:2626:25
8:30
+0:12
20M
20.00 mi13:41:412:49:268:2812:10
8:57
+0:27
21M
21.00 mi13:50:392:58:248:308:58
8:58
+0:01
35K
21.75 mi13:56:373:04:228:295:58
7:59
-0:59
23M
23.00 mi14:06:593:14:448:2810:22
8:17
+0:18
24M
24.00 mi14:14:583:22:438:277:59
7:59
-0:18
40K
24.85 mi14:21:503:29:358:266:52
8:02
+0:03
25.2M
25.20 mi14:24:503:32:358:263:00
8:42
+0:40
Finish
26.22 mi14:32:583:40:438:258:08
7:59
-0:43

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

7:59 /mi

Average Pace

8:25 /mi

Slowest Pace

8:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:35

90% of race

Time at Steady Pace

21:08

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:25 /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 mi11:19:0726:528:3926:52
8:39
#18547
10K
6.21 mi11:45:2953:148:3426:22
8:29
#18306
15K
9.32 mi12:11:181:19:038:2925:49
8:19
#17726
20K
12.43 mi12:37:201:45:058:2726:02
8:23
#17290
Half
13.11 mi12:42:581:50:438:275:38
8:15
#17231
25K
15.53 mi13:03:062:10:518:2520:08
8:18
#16880
30K
18.64 mi13:29:312:37:168:2626:25
8:30
#16392
20M
20.00 mi13:41:412:49:268:2812:10
8:57
#16353
21M
21.00 mi13:50:392:58:248:308:58
8:58
#16151
35K
21.75 mi13:56:373:04:228:295:58
7:59
#15993
23M
23.00 mi14:06:593:14:448:2810:22
8:17
#15716
24M
24.00 mi14:14:583:22:438:277:59
7:59
#15527
40K
24.85 mi14:21:503:29:358:266:52
8:02
#15339
25.2M
25.20 mi14:24:503:32:358:263:00
8:42
#15262
Finish
26.22 mi14:32:583:40:438:258:08
7:59
#15118
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi185476898689816596(Top 62%)5662(Top 50%)5662(Top 301%)
10K6.21 mi3.10 mi18306+2416700+1986700+19818167(Top 68%)6571(Top 58%)6571(Top 350%)
15K9.32 mi3.11 mi17726+5806354+3466354+34616596(Top 62%)5662(Top 50%)5662(Top 301%)
20K12.43 mi3.11 mi17290+4366103+2516103+25116121(Top 61%)5423(Top 47%)5423(Top 289%)
Half13.11 mi0.68 mi17231+596064+396064+3916225(Top 61%)5426(Top 48%)5426(Top 289%)
25K15.53 mi2.42 mi16880+3515881+1835881+18314992(Top 56%)4834(Top 42%)4834(Top 257%)
30K18.64 mi3.11 mi16392+4885619+2625619+26214346(Top 54%)4536(Top 40%)4536(Top 242%)
20M20.00 mi1.36 mi16353+395616+35616+316286(Top 61%)5735(Top 50%)5735(Top 305%)
21M21.00 mi1.00 mi16151+2025505+1115505+11113248(Top 50%)4083(Top 36%)4083(Top 217%)
35K21.75 mi0.75 mi15993+1585430+755430+7512029(Top 45%)3465(Top 30%)3465(Top 185%)
23M23.00 mi1.25 mi15716+2775292+1385292+13811793(Top 44%)3415(Top 30%)3415(Top 182%)
24M24.00 mi1.00 mi15527+1895197+955197+9511170(Top 42%)3194(Top 28%)3194(Top 170%)
40K24.85 mi0.85 mi15339+1885085+1125085+11210305(Top 39%)2816(Top 25%)2816(Top 150%)
25.2M25.20 mi0.35 mi15262+775045+405045+4010878(Top 41%)3152(Top 28%)3152(Top 168%)
Finish26.22 mi1.02 mi15118+1444980+654980+6512038(Top 45%)3736(Top 33%)3736(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16596

Females

5662

F40-44

5662

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

18167

Females

6571

F40-44

6571

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16596

Females

5662

F40-44

5662

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

16121

Females

5423

F40-44

5423

20K→Half

12.4 - 13.1 mi

Top 61%
×2story building
+19ft-37ft

Overall

16225

Females

5426

F40-44

5426

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14992

Females

4834

F40-44

4834

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14346

Females

4536

F40-44

4536

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

16286

Females

5735

F40-44

5735

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13248

Females

4083

F40-44

4083

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12029

Females

3465

F40-44

3465

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11793

Females

3415

F40-44

3415

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11170

Females

3194

F40-44

3194

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10305

Females

2816

F40-44

2816

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10878

Females

3152

F40-44

3152

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

12038

Females

3736

F40-44

3736

Passing Analysis

Category:
Athletes Passed
3851
Passed By
422
Net Change
+3429
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18547
5K → 10K476235+241#18547#18306
10K → 15K60929+580#18306#17726
15K → 20K46327+436#17726#17290
20K → Half7213+59#17290#17231
Half → 25K3587+351#17231#16880
25K → 30K49810+488#16880#16392
30K → 20M9960+39#16392#16353
20M → 21M21210+202#16353#16151
21M → 35K1602+158#16151#15993
35K → 23M2792+277#15993#15716
23M → 24M1945+189#15716#15527
24M → 40K1935+188#15527#15339
40K → 25.2M814+77#15339#15262
25.2M → Finish15713+144#15262#15118
TOTALS3851422+3429
📊

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