Boston Marathon logo
BOSTON MARATHON 2023

Charlene Cohen

CA

Bib: 15598 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 44%
Division (F40-44)
#0 / 1878
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
8:03/mi
25:02
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:00/mi
49:53
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:43/mi
1:16:57
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:56/mi
1:44:41
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:43/mi
1:50:38
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:59/mi
2:12:26
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:08/mi
2:40:48
↑ 181↓ 1480.2%
138 ft elev
20M
9:17/mi
2:53:24
↑ 64↓ 500.2%
148 ft elev
21M
9:17/mi
3:02:41
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:29/mi
3:09:02
↑ 17↓ 861.7%
156 ft elev
23M
8:47/mi
3:20:02
↑ 23↓ 630.6%
116 ft elev
24M
8:19/mi
3:28:21
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:45/mi
3:35:50
↓ 200.3%
20 ft elev
25.2M
9:49/mi
3:39:13
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:55/mi
3:48:18
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:50:388:26 /mi⚡ faster
2nd Half
1:57:408:59 /mi+6.4%
Positive split — 6.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:028:033.11 mi25:02
8:03
-
10K
49:538:023.10 mi24:51
8:00
-0:03
15K
1:16:578:153.11 mi27:04
8:43
+0:43
20K
1:44:418:253.11 mi27:44
8:56
+0:13
Half(13.11 mi)
1:50:388:260.68 mi5:57
8:43
-0:13
25K
2:12:268:322.42 mi21:48
8:59
+0:16
30K
2:40:488:383.11 mi28:22
9:08
+0:09
20M
2:53:248:401.36 mi12:36
9:17
+0:09
21M
3:02:418:421.00 mi9:17
9:17
0:00
35K
3:09:028:420.75 mi6:21
8:29
-0:48
23M
3:20:028:421.25 mi11:00
8:47
+0:18
24M
3:28:218:411.00 mi8:19
8:19
-0:28
40K
3:35:508:410.85 mi7:29
8:45
+0:26
25.2M
3:39:138:420.35 mi3:23
9:49
+1:04
Finish(26.22 mi)
3:48:188:431.02 mi9:05
8:55
-0:54
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

8:00 /mi

Average Pace

8:43 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:04:33

28% of race

Time at Steady Pace

1:50:07

48% of race

Time at Slower Pace

53:38

23% of race

Average Pace: 8:42 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi14425428942891904871317131
10K3.10 mi14588-1634399-1104399-1101481145554555
15K3.11 mi16220-16325422-10235422-10231904871317131
20K3.11 mi17094-8745987-5655987-5651934672907290
Half(13.11 mi)0.68 mi17197-1036043-566043-561906671087108
25K2.42 mi17489-2926232-1896232-1891891070787078
30K3.11 mi17522-336269-376269-371783665456545
20M1.36 mi17547-256306-376306-371791967086708
21M1.00 mi17377+1706220+866220+861486449784978
35K0.75 mi17286+916173+476173+471530553095309
23M1.25 mi17153+1336106+676106+671494551455145
24M1.00 mi16989+1646038+686038+681337743354335
40K0.85 mi16904+856006+326006+321486352255225
25.2M0.35 mi16903+16015-96015-91663462236223
Finish(26.22 mi)1.02 mi16934-316042-276042-271756466946694

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21story building
+97ft-345ft

Overall

19048

Females

7131

F40-44

7131

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14811

Females

4555

F40-44

4555

10K→15K

6.2 - 9.3 mi

Top 72%
×3story building
+67ft-78ft

Overall

19048

Females

7131

F40-44

7131

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

19346

Females

7290

F40-44

7290

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19066

Females

7108

F40-44

7108

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18910

Females

7078

F40-44

7078

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17836

Females

6545

F40-44

6545

30K→20M

18.6 - 20.0 mi

Top 67%
×5story building
+64ft-50ft

Overall

17919

Females

6708

F40-44

6708

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14864

Females

4978

F40-44

4978

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15305

Females

5309

F40-44

5309

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14945

Females

5145

F40-44

5145

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

13377

Females

4335

F40-44

4335

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14863

Females

5225

F40-44

5225

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16634

Females

6223

F40-44

6223

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

17564

Females

6694

F40-44

6694

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#14425
5K → 10K
381218-163
#14425 → #14588
10K → 15K
164412-1632
#14588 → #16220
15K → 20K
90733-874
#16220 → #17094
20K → Half
1085-103
#17094 → #17197
Half → 25K
35866-292
#17197 → #17489
25K → 30K
188155-33
#17489 → #17522
30K → 20M
10378-25
#17522 → #17547
20M → 21M
16186+170
#17547 → #17377
21M → 35K
11102+91
#17377 → #17286
35K → 23M
25158+133
#17286 → #17153
23M → 24M
5169+164
#17153 → #16989
24M → 40K
1499+85
#16989 → #16904
40K → 25.2M
2930+1
#16904 → #16903
25.2M → Finish
8352-31
#16903 → #16934
TOTALS
38721363-2509
#14425 → #16934

Passing Visualized

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