Boston Marathon logo
BOSTON MARATHON 2023

Beth Cohen

PA

Bib: 23430 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:45/mi
27:10
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:56/mi
54:54
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:23/mi
1:24:04
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:08/mi
1:52:27
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:59/mi
1:58:35
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:15/mi
2:21:01
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:31/mi
2:50:34
↑ 181↓ 1480.2%
138 ft elev
20M
9:41/mi
3:03:44
↑ 64↓ 500.2%
148 ft elev
21M
10:19/mi
3:14:03
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:20/mi
3:21:02
↑ 17↓ 861.7%
156 ft elev
23M
9:42/mi
3:33:11
↑ 23↓ 630.6%
116 ft elev
24M
9:28/mi
3:42:39
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:42/mi
3:50:57
↓ 200.3%
20 ft elev
25.2M
10:18/mi
3:54:30
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:18/mi
4:03:59
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:35
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:05:24
Pace9:34 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:3027:108:4527:10
8:45
-
10K
6.21 mi11:51:1454:548:5027:44
8:56
+0:11
15K
9.32 mi12:20:241:24:049:0129:10
9:23
+0:27
20K
12.43 mi12:48:471:52:279:0328:23
9:08
-0:15
Half
13.11 mi12:54:551:58:359:036:08
8:59
-0:09
25K
15.53 mi13:17:212:21:019:0522:26
9:15
+0:16
30K
18.64 mi13:46:542:50:349:0929:33
9:31
+0:16
20M
20.00 mi14:00:043:03:449:1113:10
9:41
+0:10
21M
21.00 mi14:10:233:14:039:1410:19
10:19
+0:38
35K
21.75 mi14:17:223:21:029:156:59
9:20
-0:59
23M
23.00 mi14:29:313:33:119:1612:09
9:42
+0:22
24M
24.00 mi14:38:593:42:399:179:28
9:28
-0:14
40K
24.85 mi14:47:173:50:579:188:18
9:42
+0:14
25.2M
25.20 mi14:50:503:54:309:183:33
10:18
+0:36
Finish
26.22 mi15:00:194:03:599:199:29
9:18
-1:00

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

8:45 /mi

Average Pace

9:19 /mi

Slowest Pace

10:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:30

81% of race

Time at Steady Pace

47:29

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:18 /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 mi11:23:3027:108:4527:10
8:45
#19159
10K
6.21 mi11:51:1454:548:5027:44
8:56
#19859
15K
9.32 mi12:20:241:24:049:0129:10
9:23
#20655
20K
12.43 mi12:48:471:52:279:0328:23
9:08
#20576
Half
13.11 mi12:54:551:58:359:036:08
8:59
#20562
25K
15.53 mi13:17:212:21:019:0522:26
9:15
#20461
30K
18.64 mi13:46:542:50:349:0929:33
9:31
#20279
20M
20.00 mi14:00:043:03:449:1113:10
9:41
#20207
21M
21.00 mi14:10:233:14:039:1410:19
10:19
#20124
35K
21.75 mi14:17:223:21:029:156:59
9:20
#20091
23M
23.00 mi14:29:313:33:119:1612:09
9:42
#20012
24M
24.00 mi14:38:593:42:399:179:28
9:28
#19988
40K
24.85 mi14:47:173:50:579:188:18
9:42
#19949
25.2M
25.20 mi14:50:503:54:309:183:33
10:18
#19923
Finish
26.22 mi15:00:194:03:599:199:29
9:18
#19902
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi191597300730021924(Top 82%)8747(Top 77%)8747(Top 1073%)
10K6.21 mi3.10 mi19859-7007685-3857685-38520562(Top 77%)8017(Top 70%)8017(Top 984%)
15K9.32 mi3.11 mi20655-7968098-4138098-41321924(Top 82%)8747(Top 77%)8747(Top 1073%)
20K12.43 mi3.11 mi20576+798039+598039+5920308(Top 76%)7845(Top 69%)7845(Top 963%)
Half13.11 mi0.68 mi20562+148029+108029+1020421(Top 77%)7919(Top 69%)7919(Top 972%)
25K15.53 mi2.42 mi20461+1017960+697960+6920037(Top 75%)7715(Top 68%)7715(Top 947%)
30K18.64 mi3.11 mi20279+1827886+747886+7419483(Top 73%)7461(Top 65%)7461(Top 915%)
20M20.00 mi1.36 mi20207+727863+237863+2319535(Top 73%)7596(Top 66%)7596(Top 932%)
21M21.00 mi1.00 mi20124+837822+417822+4119084(Top 72%)7389(Top 65%)7389(Top 907%)
35K21.75 mi0.75 mi20091+337809+137809+1319312(Top 73%)7553(Top 66%)7553(Top 927%)
23M23.00 mi1.25 mi20012+797774+357774+3519106(Top 72%)7468(Top 65%)7468(Top 916%)
24M24.00 mi1.00 mi19988+247763+117763+1119118(Top 72%)7515(Top 66%)7515(Top 922%)
40K24.85 mi0.85 mi19949+397752+117752+1119066(Top 72%)7536(Top 66%)7536(Top 925%)
25.2M25.20 mi0.35 mi19923+267740+127740+1218505(Top 70%)7238(Top 63%)7238(Top 888%)
Finish26.22 mi1.02 mi19902+217736+47736+419416(Top 73%)7685(Top 67%)7685(Top 943%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21924

Females

8747

F55-59

8747

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

20562

Females

8017

F55-59

8017

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21924

Females

8747

F55-59

8747

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20308

Females

7845

F55-59

7845

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20421

Females

7919

F55-59

7919

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

20037

Females

7715

F55-59

7715

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

19483

Females

7461

F55-59

7461

30K→20M

18.6 - 20.0 mi

Top 73%
×5story building
+64ft-50ft

Overall

19535

Females

7596

F55-59

7596

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

19084

Females

7389

F55-59

7389

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19312

Females

7553

F55-59

7553

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19106

Females

7468

F55-59

7468

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19118

Females

7515

F55-59

7515

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19066

Females

7536

F55-59

7536

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18505

Females

7238

F55-59

7238

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19416

Females

7685

F55-59

7685

Passing Analysis

Category:
Athletes Passed
1403
Passed By
2146
Net Change
-743
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19159
5K → 10K106806-700#19159#19859
10K → 15K36832-796#19859#20655
15K → 20K202123+79#20655#20576
20K → Half3420+14#20576#20562
Half → 25K15857+101#20562#20461
25K → 30K24765+182#20461#20279
30K → 20M11442+72#20279#20207
20M → 21M11835+83#20207#20124
21M → 35K5724+33#20124#20091
35K → 23M11132+79#20091#20012
23M → 24M6541+24#20012#19988
24M → 40K6627+39#19988#19949
40K → 25.2M3711+26#19949#19923
25.2M → Finish5231+21#19923#19902
TOTALS14032146-743
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing